Bibliografie tematiche / North Shore of the St. Lawrence

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Letteratura scientifica selezionata sul tema "North Shore of the St. Lawrence"

Autore: Grafiati
Pubblicato: 7 settembre 2024

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Articoli di riviste sul tema "North Shore of the St. Lawrence"

1

Ouellet, Jean-François, Pierre Fradette e Isabel Blouin. "Do Barrow's Goldeneyes, Bucephala islandica, Breed South of the St. Lawrence Estuary in the Gaspé Peninsula, Eastern Canada?" Canadian Field-Naturalist 124, n. 2 (1 aprile 2010): 179. http://dx.doi.org/10.22621/cfn.v124i2.1057.

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Abstract (sommario):
We report the first observations of Barrow's Goldeneyes south of the St. Lawrence estuary in typical breeding habitat during the breeding season. Until recently, the confirmed breeding locations for the species in Eastern North America were all located on the north shore of the Estuary and Gulf of St. Lawrence.
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2

Rail, Jean-François, e Gilles Chapdelaine. "Food of Double-crested Cormorants,Phalacrocorax auritus, in the Gulf and Estuary of the St. Lawrence River, Quebec, Canada". Canadian Journal of Zoology 76, n. 4 (1 aprile 1998): 635–43. http://dx.doi.org/10.1139/z97-237.

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Abstract (sommario):
Between 1994 and 1996, a total of 613 Double-crested Cormorant (Phalacrocorax auritus) regurgitations were collected at four colonies located in the St. Lawrence Estuary and one colony on the North Shore of the Gulf of St. Lawrence. The diet comprised a great variety of prey, with fishes well represented. Capelin (Mallotus villosus) and sand lance (Ammodytes sp.) together constituted most of the diet, (i.e., frequency of occurrence 66%, numerical frequency 68%, and volume 50%). Sand lance, which were nearly absent in regurgitations from the Estuary, were important in the diet of cormorants from the North Shore of the Gulf. At the North Shore colony, capelin were much more abundant in the diet in 1996 than in 1995, which correlates with independent fisheries data. In contrast to the results of previous studies of this cormorant's diet, our results show a preponderance of schooling fishes over benthic species. We suggest that this reflects a recent trend towards an increase in the abundance of schooling fishes in the St. Lawrence Estuary and Gulf. Overfishing of predatory fishes and oceanographic factors could be involved.
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3

Mingelbier, M., F. Lecomte e J. J. Dodson. "Climate change and abundance cycles of two sympatric populations of smelt (Osmerus mordax) in the middle estuary of the St. Lawrence River, Canada". Canadian Journal of Fisheries and Aquatic Sciences 58, n. 10 (1 ottobre 2001): 2048–58. http://dx.doi.org/10.1139/f01-140.

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Abstract (sommario):
Commercial catches of two ecologically distinct sympatric smelt (Osmerus mordax) populations segregated along the two shores of the St. Lawrence middle estuary exhibited inverse patterns with periodicities on the order of 30 years. The influence of water level in the St. Lawrence River and air temperature, chosen to reflect variations in hydrology and climate, differed markedly between the two populations. Analyses revealed that both water level and temperature were generally positively related with north-shore smelt landings and negatively related with south-shore smelt landings. For both populations, a number of significant climatic factors contributing to variance in smelt landings were lagged by one to three years relative to the year of landings, indicating that climatic variables influenced smelt recruitment. The contrasting role of hydroclimatic variables in driving these abundance cycles is likely related to differential exploitation of estuarine habitats; the south-shore population is associated with shallow shoal habitat, whereas the north-shore population is associated with deep channel habitat. The responses of the two smelt populations also reflect the fundamental ecological differences existing between shoal and channel habitats, indicating that future climate change may differentially affect other populations or species that are segregated between these two habitats.
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4

Pouliot, Daniel, e Jean-François Desroches. "Découverte de la Salamandre à quatre orteils, Hemidactylium scutatum, à Québec, Québec : limite nord-est de l'espèce sur la rive nord du fleuve Saint-Laurent". Canadian Field-Naturalist 119, n. 1 (1 gennaio 2005): 129. http://dx.doi.org/10.22621/cfn.v119i1.91.

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Abstract (sommario):
En 1999 trois spécimens de Salamandre à quatre orteils ont été observés à Québec, sur la rive nord du fleuve Saint-Laurent. Des recherches effectuées au même site en 2001 ont permis de découvrir d’autres spécimens de même que des pontes. Ces mentions élargissent la distribution connue de l’espèce de 90 km vers le nord-est-est et 80 km vers le nord-nord-ouest. Il s’agit vraisemblablement de la limite nord-est de cette salamandre, sur la rive nord du Saint-Laurent.In 1999, three Four-toed Salamanders were observed at Québec, north shore of the St. Lawrence River. Field searches in 2001 allowed the discovery of another specimen as well as egg clutches. These records extend the known range of the species 90 km north-east-east and 80 km north-north-west. This is probably the northeastern limit of this salamander’s range on the north shore of St. Lawrence River.
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5

Dionne, Jean-Claude. "Les erratiques de dolomie à Rivière-Blanche, côte sud de l'estuaire maritime du Saint-Laurent : un indicateur de transport glaciaire et glaciel". Canadian Journal of Earth Sciences 39, n. 8 (1 agosto 2002): 1239–55. http://dx.doi.org/10.1139/e02-009.

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Abstract (sommario):
At Rivière-Blanche, a locality on the south shore of the lower St. Lawrence estuary, the clayey and rocky shore zone is largely covered by stones of various sizes and lithologies, from local and far-distant sources. A survey exceeding 31 000 boulders indicates that 31% are Precambrian clasts (granite, gneiss, anorthosite, etc.) from the Canadian Shield located on the north shore of the St. Lawrence, 40 km from Rivière-Blanche, and 69% are Appalachian lithologies, mainly (45%) sandstone and graywacke. There are also 1.5% of dolostone erratics, a lithology not widespread in the Canadian Shield nor in the Appalachians. Of the 1242 clasts of the various varieties of dolostone erratics observed, the grey coral (Cladopora) dolostone erratics are restricted to the Rivière-Blanche area, whereas many other varieties are common to both shores of the St. Lawrence estuary. The most likely far-distance source is the Proterozoic Mistassini sedimentary basin, while a few varieties such as the coral dolostone erratics are from the Appalachian Siluro-Devonian formations, of which the nearest outcrops are located in the northwestern area of Lake Matapedia, 25–30 km south of Rivière-Blanche. Whatever their source, the dolostone erratics were first transported by a late Wisconsinian regional ice stream before being released by icebergs in the Goldthwait Sea. The coral dolostone (Clapodora) erratics provide additional evidence for a northward ice flow between Lake Matapedia and Rivière-Blanche during an early phase of deglaciation of the St. Lawrence Valley after the formation of an Appalachian ice divide located approximately at the latitude of Lac-au-Saumon.
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6

Pinet, Nicolas. "Southern continuation of the Wakeham Group and Robe-Noire mafic suite (eastern Grenville Province) from hydrocarbon-targeted seismic reflection data on Anticosti Island, Quebec, Canada". Canadian Journal of Earth Sciences 53, n. 9 (settembre 2016): 875–82. http://dx.doi.org/10.1139/cjes-2016-0011.

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Abstract (sommario):
Hydrocarbon-targeted seismic reflection profiles acquired on eastern Anticosti Island (Quebec) image subparallel reflections with significant continuity below the Paleozoic St. Lawrence Platform. These intra-basement reflections define a seismic unit with a relatively simple geometry characterized by broad open folds, an array of subparallel markers, and east-northeast-dipping faults. The reflective seismic unit likely corresponds to the southern extension of the Mesoproterozoic Wakeham Group and Robe-Noire mafic sills that are exposed on the nearby north shore of the Gulf of St. Lawrence, in the eastern Grenville Province of Quebec.
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7

Lefèvre, Marylise A., Michael J. W. Stokesbury, Frederick G. Whoriskey e Michael J. Dadswell. "Atlantic salmon post-smolt migration routes in the Gulf of St. Lawrence". ICES Journal of Marine Science 69, n. 6 (1 luglio 2012): 981–90. http://dx.doi.org/10.1093/icesjms/fss092.

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Abstract (sommario):
Abstract Lefèvre, M. A., Stokesbury, M. J. W., Whoriskey, F. G., and Dadswell, M. J. 2012. Atlantic salmon post-smolt migration routes in the Gulf of St. Lawrence – ICES Journal of Marine Science, 69: 981–990. The migration of Atlantic salmon (Salmo salar) post-smolts from the Rivière Saint-Jean on the north shore of the Gulf of St. Lawrence (Canada) was studied during 2009 and 2010. Salmon from rivers in this region spend ≥2 years at sea before returning to spawn, and are believed to migrate to ocean feeding areas off Greenland. To determine residency time in the nearshore environment, and to define the migration routes of post-smolts, tagged post-smolts were tracked passively in Jacques Cartier Strait and at the two exits of the Gulf of St. Lawrence to the Atlantic Ocean (Cabot Strait and the Strait of Belle Isle). Post-smolts moved rapidly south in the nearshore area; two of them were detected 45 km south of the estuary exit, suggesting that they were moving towards the centre of the Gulf of St. Lawrence. One tagged post-smolt was detected exiting the Gulf of St. Lawrence via the Strait of Belle Isle after 44 d and exhibited a minimum swimming speed of 14.4 km d−1. There was no apparent linkage between the detection patterns of post-smolts and surface water temperatures or surface water currents close to shore. Post-smolts, however, appeared to orient to higher salinity.
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8

Robert, Michel, Réjean Benoit e Jean-Pierre L. Savard. "Relationship Among Breeding, Molting, and Wintering Areas of Male Barrow's Goldeneyes (Bucephala Islandica) in Eastern North America". Auk 119, n. 3 (1 luglio 2002): 676–84. http://dx.doi.org/10.1093/auk/119.3.676.

Testo completo
Abstract (sommario):
Abstract Little is known of the eastern North American population of Barrow's Goldeneyes (Bucephala islandica), which was recently listed as “of special concern” in Canada. In 1998 and 1999, we marked 18 adult males wintering along the St. Lawrence River, Québec, with satellite transmitters to document their breeding, molting, and wintering distribution and phenology, and to describe timing and routes of their spring, molt, and fall migrations. Thirteen males moved inland from the St. Lawrence River to breed; the spring migration averaged 5.9 days, and birds arrived on breeding areas on average 9 May. All breeding areas were inland, on the north shore of the St. Lawrence River estuary and gulf. Breeding areas averaged 64.8 km from the St. Lawrence corridor. Males stayed on their respective breeding area a mean of 34.5 days, and left on average 11 June. Twelve males were tracked to their molting areas, one of which stayed on its wintering area until 5 June and flew directly to its molting area. Their molt migration averaged 18.6 days, and the mean arrival date on molting areas was 30 June. All molting areas were located north and averaged 986 km from breeding areas. Four males molted in Hudson Bay, four in Ungava Bay, two in northern Labrador, one on Baffin Island, and one inland, near the Québec–Labrador border. The mean length of stay on the molting areas was 105.3 days, and the mean date of departure from molting areas was 4 October. All goldeneyes for which the radio still functioned during fall migration returned to winter in the St. Lawrence River estuary, on average 6 November. Our results refute the idea that the main breeding area of the eastern North American population of Barrow's Goldeneyes is located in northern Québec and Labrador and rather indicate that it is in the boreal forest just north of the St. Lawrence River estuary and gulf. They also indicate that Barrow's Goldeneye males undertake a genuine molt migration, and highlight the importance of molting areas because birds stayed there approximately four months each year.
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Rail, Jean-François. "Eighteenth census of seabirds breeding in the sanctuaries of the North Shore of the Gulf of St. Lawrence, 2015". Canadian Field-Naturalist 135, n. 3 (21 gennaio 2022): 221–33. http://dx.doi.org/10.22621/cfn.v135i3.2675.

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Abstract (sommario):
In 1925, ten migratory bird sanctuaries were created on the North Shore of the Gulf of St. Lawrence, and their breeding seabird populations have been censused every five years since. Between 2010 and 2015, only three alcid species exhibited positive population trends (Razorbill [Alca torda], Common Murre [Uria aalge], and Atlantic Puffin [Fratercula arctica]), while the remaining 13 species showed declining trends. Leach’s Storm-Petrel (Hydrobates leucorhous) and Caspian Tern (Hydroprogne caspia) are on the verge of disappearing from the sanctuaries, and the prolonged and rapid decline in Black-legged Kittiwake (Rissa tridactyla) is worrisome. Based on historical records since 1925, it appears that seabird communities are faring well in some sanctuaries (e.g., Baie de Brador, Îles aux Perroquets, and Îles Sainte-Marie), while numbers are at low levels in others (e.g., Île à la Brume, Baie des Loups, and Saint-Augustin). Human disturbance, harvest of seabirds (eggs and birds), and predation are among the issues potentially most affecting seabird populations on the North Shore of the Gulf of St. Lawrence.
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Allan, R. J. "The Saguenay Fjord: A Third Factor in the Toxic Chemical Contamination of the St. Lawrence River Estuary". Water Quality Research Journal 25, n. 1 (1 febbraio 1990): 1–14. http://dx.doi.org/10.2166/wqrj.1990.001.

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Abstract (sommario):
Abstract The Saguenay Fjord enters the north shore of the St. Lawrence River estuary. The St. Lawrence River is one source of a variety of toxic metals and organic chemicals to its estuary. Some of these chemicals are transported by the river from its source in Lake Ontario and others are added along its course. However, the second major source of water inflow to the St. Lawrence Estuary is the Saguenay Fjord, which is by no means free of contamination. This paper overviews the types of toxic metals and organic chemical contamination and sources in the fjord proper and upstream in its drainage basin. The principal contaminants recorded in bottom sediments are polyaromatic hydrocarbons and mercury. An extensive forest products industry may also be a source of toxic chlorinated organic chemicals. The combined (peak) inputs of these chemicals to the Saguenay Fjord system was in the past and may have continued for many years, even decades. The relationship between the type of contaminants introduced in the past to the St. Lawrence estuary by the St. Lawrence River and the Saguenay Fjord may have implications concerning contamination of the beluga whale population which is located most frequently in the estuary near the fjord inflow.
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Più fonti

Tesi sul tema "North Shore of the St. Lawrence"

1

Boyne, Andrew W. "Diet and reproductive success of Herring Gulls nesting on the middle north shore of the Gulf of St. Lawrence". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ50725.pdf.

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2

Boyne, Andrew. "Diet and reproductive success of herring gulls nesting on the middle north shore of the Gulf of St. Lawrence". Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21516.

Testo completo
Abstract (sommario):
Breeding biology and diet of Herring Gulls Larus argentatus were studied on Ile Nue, in the Mingan Archipelago National Park Reserve, in the Gulf of St. Lawrence. Nesting parameters were measured 1994--1996, and fledging success and diet were followed in 1996. Clutch size was low in all three years of the study, and hatching success was low in 1995. Low clutch size and hatching success could not be explained by researcher disturbance, predation, or competition for nest sites, leaving food-stress as the most likely explanation. To reduce the biases associated with determining diet, we used four methods to estimate diet. The 1996 breeding season was divided into three periods using changes in the number of gulf pellets collected from roost sites as an indirect measure of dietary changes; these periods corresponded to the pre-spawning, spawning, and post-spawning periods of capelin Mallotus villosus. (Abstract shortened by UMI.)
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3

Dietrich, Pierre. "Faciès, architectures stratigraphiques et dynamiques sédimentaires en contexte de régression forcée glacio-isostatique : la réponse pro- à paraglaciaire des complexes deltaïques de la Côte Nord de l'Estuaire et du Golf du Saint-Laurent (Québec, Canada)". Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAH019/document.

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Abstract (sommario):
La Côte Nord de l’Estuaire et du Golfe du St. Laurent (Québec, Canada) est caractérisée par une série de complexes deltaïques mis en place en contexte de chute de Niveau Marin Relatif (NMR) forcée par le rebond glacio-isostatique, lors du retrait des marges de l’Inlandsis Laurentidien. L’étude de trois complexes deltaïques montre qu’un motif d’évolution morphostratigraphique contrôlé par le retrait des marges glaciaires prévalait au premier ordre. Le premier stade de sédimentation se caractérise par la mise en place de cônes d’épandage juxtaglaciaires sous-aquatiques. Leur localisation au front de la marge glaciaire fait que la répartition spatiale des corps sédimentaires montre localement un empilement en rétrogradation. Dès l’émergence d’un front glaciaire continental, des deltas proglaciaires se développent en contexte de chute de NMR, formant des lobes dont l’altitude décroît vers le bassin. Ces derniers sont initialement associés à un système fluviatile en tresse alimenté en sédiments glaciogéniques par les marges glaciaires en retrait. Malgré des taux de chute de NMR de plusieurs cm/an, aucune incision fluviatile n’est observée à ce stade et la dynamique de transfert est prédominante du fait des forts taux d’apports sédimentaires. Plus tard, à la suite du retrait des marges glaciaires hors des bassins versants, le remaniement paraglaciaire se développe du fait de la réduction drastique des apports en eaux et sédiments. Le système fluviatile, devenu méandriforme, s’encaisse dans les anciens dépôts deltaïques maintenant inactifs et les bordures de deltas sont remaniées par les processus littoraux (plages soulevées, terrasses marines). Cette étude révèle que la majorité du volume de ces complexes deltaïques (10-20 km3) est mis en place en quelques milliers d’années seulement, immédiatement après la déglaciation ; le remaniement paraglaciaire n’ayant contribué à l’accrétion deltaïque que très marginalement. La modélisation numérique (Dionisos) valide les différents forçages identifiés par l’analyse morphosédimentaire. Une synthèse des complexes deltaïques à l’échelle de toute la Côte Nord du St. Laurent a permis de catégoriser 21 complexes deltaïques en 4 scénarios d’évolution morphosédimentaire, directement liés à la dynamique de retrait de la marge glaciaire. Leur décryptage offre une clef de lecture originale pour l’historique du retrait des marges glaciaires de l’Inlandsis Laurentidien sur la période 12-7.5 ka cal BP
The North Shore of the St. Lawrence Estuary and Gulf is characterized by the presence of deltaic complexes that were emplaced under falling Relative Sea Level (RSL) forced by the glacio-isostatic rebound, immediately after the retreat of the Laurentide Ice Sheet (LIS) margin. The study of three deltaic complexes reveals that a common morphostratigraphic evolution forced by the retreat of the LIS prevailed for the edification of these structures, reflecting the retreat of the LIS margin. The emplacement of subaqueous outwash fans beyond the retreating or stillstanding glaciomarine margin constitutes the first stage of this evolution. As tied to the ice-margin position, these fans are characterized in places by a backstepping stacking pattern, in spite of the forced regressive setting. From the emergence of a continental ice front, the proglacial deltaic system develops and forms lobes staged accordingly to the RSL fall. These deltaic systems actively prograde at that time because they are fed in glaciogenics by the retreating LIS margin through braided meltwater streams. In spite of the RSL fall reaching several centimeters per years, no fluvial entrenchment occurs mainly owing to the significant amount of sediment supply. Later, when the LIS margin retreats from the drainage basins of feeding rivers, fluvial systems experience a drastic drop in sediment supply that forced the interruption of the deltaic progradation and the onset of paraglacial reworking. The paraglacial reworking consists in the entrenchment of a meandering fluvial system within former deltaic deposits and shows the prevalence of shallow-marine processes (waves, tides) at the delta rim (raised beaches, marine terraces). This study reveals that the bulk of the deltaic volume (c.a. 10-20 km3) for each complex was emplaced in only a few thousands of years following the LIS margin retreat when the latter was still located in the drainage basin. The paraglacial reworking had a minor influence on the deltaic accretion. A forward stratigraphic model (Dionisos) is used to validate the variety of forcing as understood from the sedimentary analysis. A synthesis including 21 deltaic complexes of the St. Lawrence North Shore allowed the establishment of a fourfold categorization. This scheme of deltaic evolution was used in order to refine the position of the LIS margin retreating upland for a period ranging from 12 to 7.5 ka cal BP
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4

Brionne, Charles. "Signatures morphosédimentaires de la dynamique juxta-glaciaire à la transition de fronts glaciaires marins à terrestres : le cas de la Côte-Nord du Québec (estuaire et golfe du St Laurent)". Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAH005.

Testo completo
Abstract (sommario):
Cette thèse combine une double approche géomorphologique et sédimentologique associée à l’utilisation de données LiDAR, bathymétriques, photogrammétrie drone et de datations radiocarbones. Elle a permis de reconstituer les paléos dynamiques glaciaires en contexte de déglaciation pour l’Inlandsis Laurentidien depuis le dernier maximum glaciaire, il y a environ 20 000 ans, et plus précisément au passage d’une marge glaciaire ancrée en mer à une marge glaciaire continentale Deux études ont été menées conjointement, soit : (1) la cartographie, la synthèse et la proposition d’un modèle concernant les mégacannelures de la Côte-Nord du Saint-Laurent, une première pour ces morphologies et (2) la reconstruction de l’enregistrement géomorphologique et morphosédimentaire du complexe sédimentaire de Pentecôte, mimant précisément cette transition. D’une manière générale, cette thèse démontre l’importance de l’héritage structural et de la physiographie du plancher au marge glaciaire dans la reconstruction de la dynamique glaciaire de retrait de la marge du LIS oriental
This thesis combines a dual geomorphological and sedimentological approach with the use of LiDAR data, bathymetry, drone photogrammetry and radiocarbon dating. It has enabled us to reconstruct the glacial paleodynamics in a deglaciation context for the Laurentide ice sheet since the last glacial maximum, around 20,000 years ago, and more specifically during the transition from an ice margin anchored at sea to a continental ice margin: (1) mapping, synthesising and proposing a model for the megagrooves of the North Shore of the St Lawrence, a first study for these morphologies, and (2) reconstructing the geomorphological and morphosedimentary record of the Pentecôte sedimentary complex, which precisely represents this transition. Overall, this thesis demonstrates the importance of the structural heritage and physiography of the floor at the glacial margin in the reconstruction of the glacial retreat dynamics of the eastern LIS margin
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5

Phillips, Stephanie K. 1977. "The Kahnawake Mohawks and the St. Lawrence Seaway /". Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33310.

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Abstract (sommario):
The St. Lawrence Seaway, constructed between 1954 and 1959, had a significant impact on the Mohawk community of Kahnawake. Located on the shores of the St. Lawrence River, Kahnawake was faced with the expropriation of 1,262 acres of land for the construction of a canal that effectively cut off the community's access to the river and reduced its land base. Regarded by its members as one of the most important events in Kahnawake's history, the Seaway has become part of the everyday discourse of the community. This thesis examines two recurring themes in the discourse about the Seaway---the factionalism in the community at the time of the construction, and memories about the river---and illustrates how this event informs the present political identity of Kahnawake. The Seaway has become a metaphor for the intrusiveness of the Canadian government and the necessity of resisting any encroachment on Kahnawake's autonomy, and as such has played an important part in the development of nationalism in this community.
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6

Paturi, SHASTRI. "THREE-DIMENSIONAL MODELLING OF LAKE ONTARIO HYDRODYNAMICS NEAR PORT HOPE AND IN THE UPPER ST LAWRENCE RIVER". Thesis, 2013. http://hdl.handle.net/1974/8115.

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Abstract (sommario):
The Ontario Clean Water Act (2006) mandated that eight and two municipal drinking water intakes in the Cataraqui Region Conservation Authority (CRCA) and the Ganaraska River Source Protection Agency (GRSPA) jurisdictions respectively, be protected from contaminants released into the surrounding waters through the delineation of Intake Protection Zones (IPZs). Toward these objectives, the Estuary and Lake Computer Model (ELCOM) was applied to simulate the hydrodynamics and contaminant transport in the eastern Lake Ontario and upper St. Lawrence River. Model hydrodynamics were comprehensively validated against field data collected during April-October, 2006. The flow was found to be predominantly wind induced in the southwestern lacustrine portion of the domain and hydraulically driven in the northeastern riverine portion with storm events resulting in river flow reversals. The modeled surface currents were applied to delineate IPZs surrounding the drinking water intakes. Passive tracers were simulated as surrogates for combined sewer outflows, tributary flows, municipal/wastewater and industrial discharges identified by CRCA as threats to drinking water intakes. Wind was found to be the most dominant forcing to transport contaminants, both in the Kingston Basin and the St. Lawrence River, whereas the St. Lawrence River outflow was found to influence the transport of contaminants along the river. The hydrodynamics and contaminant transport in the near-shore region of Lake Ontario, from Port Hope to Cobourg was also simulated using ELCOM and the results were comprehensively validated against field data collected during April-September, 2010. Upwelling and downwelling events caused by south-westerly and north-easterly winds were found to be the predominant hydrodynamic process. These events generated barotropic geostrophic alongshore currents or ‘coastal jets’ of ~20 cm s-1. Discharges from river plumes and sewage treatment plants were simulated as tracer releases. The tracer concentrations were primarily influenced by the close proximity of the intakes to the effluent release points, the volume and direction of the discharge from the intakes and the physical processes driving the flow dynamics.
Thesis (Ph.D, Civil Engineering) -- Queen's University, 2013-07-17 11:41:54.68
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7

Marsters, Roger Sidney. "Approaches to Empire: Hydrographic Knowledge and British State Activity in Northeastern North America, 1711-1783". 2012. http://hdl.handle.net/10222/15823.

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This dissertation studies the intersection of knowledge, culture, and power in contested coastal and estuarine space in eighteenth-century northeastern North America. It examines the interdependence of vernacular pilot knowledge and directed hydrographic survey, their integration into practices of warfare and governance, and roles in assimilating American space to metropolitan scientific and aesthetic discourses. It argues that the embodied skill and local knowledge of colonial and Aboriginal peoples served vital and underappreciated roles in Great Britain’s extension of overseas activity and interest, of maritime empire. It examines the maritimicity of empire: empire as adaptation to marine environments through which it conducted political influence and commercial endeavour. The materiality of maritime empire—its reliance on patterns of wind and current, on climate and weather, on local relations of sea to land, on proximity of spaces and resources to oceanic circuits—framed and delimited transnational flows of commerce and state power. This was especially so in coastal and riverine littoral spaces of northeastern North America. In this local Atlantic, pilot knowledge—and its systematization in marine cartography through hydrographic survey—adapted processes of empire to the materiality of the maritime, and especially to the littoral, environment. Eighteenth-century British state agents acting in northeastern North America—in Mi’kmaqi/Acadia/Nova Scotia, Newfoundland and Labrador, Quebec, and New England—developed new means of adapting this knowledge to the tasks of maritime empire, creating potent tools with which to extend Britain’s imperial power and influence amphibiously in the eighteenth and nineteenth centuries. If the open Atlantic became a maritime highway in this period, traversed with increasing frequency and ease, inshore waters remained dangerous bypaths, subject to geographical and meteorological hazards that checked overseas commercial exchange and the military and administrative processes that constituted maritime empire. While patterns of oceanic circulation permitted extension of these activities globally in the early modern period, the complex interrelation of marine and terrestrial geography and climate in coastal and estuarine waters long set limits on maritime imperial activity. This dissertation examines the nature of these limits, and the means that eighteenth-century British commercial and imperial actors developed to overcome them.
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Forget, Brisson Laurence. "La datation du site Mailhot-Curran : application de la luminescence optique sur des poteries iroquoiennes du Saint-Laurent". Thèse, 2016. http://hdl.handle.net/1866/16366.

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La luminescence optique (OSL) a été mesurée sur dix-sept fragments de poterie collectés à Mailhot-Curran (BgFn-2), un site archéologique du Sylvicole supérieur tardif localisé dans le sud-ouest du Québec. Le but principal de ce projet était de dater ce site qui est considéré jusqu’à maintenant comme le plus récent site préhistorique de la concentration de Saint-Anicet, afin de poser un jalon dans la chronologie des sites de cette région. L’OSL a été utilisée conjointement à la datation par radiocarbone (14C) et la sériation du matériel archéologique. L’hypothèse archéologique propose que le village aurait été occupé pendant les années 1518 à 1530 de notre ère (Chapdelaine 2015a). Les résultats que nous proposons dans ce présent mémoire appuient cette proposition. Nous avons obtenu un âge de 490 ± 49 ans (année de référence : 2013), correspondant à l’année 1523 de notre ère avec une probabilité d’occupation du site Mailhot-Curran entre les années 1474 et 1572. Le programme de datation par luminescence optique a été réalisé sur des fragments de poterie domestique composés d’argile de la Mer de Champlain datant de la période du Quaternaire récent. La datation par stimulation infrarouge (IRSL) a été préférentiellement utilisée sur des aliquotes de grains fins polyminéraliques. Pour la détermination des doses équivalentes, un protocole SAR (Murray et Wintle 2000) modifié pour la mesure des feldspaths et incluant un lessivage optique a été utilisé (Lamothe et al. 2004). Les valeurs g ont été mesurées en suivant le protocole proposé par Auclair et al. (2003). La correction de Huntley et Lamothe (2001) a été utilisée afin de corriger les doses équivalentes mesurées pour la décroissance anormale du signal feldspathique. Les doses annuelles ont pour leur part été déterminées par des mesures réalisées in situ et en laboratoire. Les résultats que nous présentons dans ce mémoire sont affectés par une dispersion assez large. Cette variabilité a été prise en compte par des méthodes statistiques pour la détermination de l’âge probable de l’occupation du site Mailhot-Curran.
Optically stimulated luminescence (OSL) has been measured on 17 ceramic sherds collected at the Mailhot-Curran site (BgFn-2), a Late Woodland archaeological site located in south west Quebec. The main goal of this project was to date the youngest prehistoric village found in the Saint Anicet cluster to establish its position in the chronological framework of the area. OSL was used conjointly with radiocarbon dating (14C) and seriation of the archaeological remains. The archaeological hypothesis proposes an occupation of this village between 1518 and 1530 A.D. (Chapdelaine 2015a). The luminescence results we present in this master’s thesis are in agreement with this proposal : we obtained an age of 490 ± 49, which corresponds to A.D. 1523 with the probability of occupation at the Mailhot-Curran site between A.D. 1474 and 1572. The luminescence dating program was carried out on local ceramics composed of fired late Quaternary Champlain Sea clays. IRSL (infrared stimulated luminescence) was preferentially used on polymineral fine-grains aliquots. A modified SAR-IRSL protocol including optical bleaching was used to measure the equivalent doses (Murray and Wintle 2000, Lamothe et al. 2004). G values were measured following the protocol proposed by Auclair et al. (2003). The Huntley-Lamothe correction for anomalous fading (Huntley and Lamothe 2001) was used to adjust the equivalent dose. Annual doses were assessed by in situ and laboratory measurements. The results we present here are affected by a large range in the dates. This variability was taken into account by statistical methods in the determination of the age of the Mailhot-Curran site occupation.
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Ouellet, Jean-Christophe. "Préhistoire de la Moyenne-Côte-Nord : le chert de la Minganie et l’utilisation des ressources lithiques". Thèse, 2010. http://hdl.handle.net/1866/4727.

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Ce mémoire traite de l’utilisation des matières premières lithiques telle que représentée sur les sites préhistoriques de la Moyenne-Côte-Nord du Golfe du Saint-Laurent, au Québec. Cette étude régionale se base sur la réanalyse d’un nombre important de collections archéologiques et accorde une grande importance à l’identification et à la description des matières premières utilisées. Un matériau d’origine locale, le Chert de la Minganie, y occupe une place particulière. L’importance de ce matériau pour la préhistoire régionale était jusqu’ici virtuellement inconnue. Suite à nos analyses, un inventaire complet des matières premières utilisées est mis sur pied. Ces données mettent en évidence un certain nombre de comportements. Principalement, nous identifions deux ensembles qui illustrent la présence de territoires attribuables à la répartition de groupes amérindiens subrégionaux (bandes). Finalement, à travers l’utilisation des ressources lithiques, les liens qui rattachent les groupes de notre région d’étude à ceux de la péninsule du Québec-Labrador sont illustrés.
This thesis deals with lithic raw material use as evidenced on prehistoric sites from the middle North Shore of the Saint Lawrence River, Quebec. This regional study is based on the reanalysis of a large number of archaeological collections and places central importance on the identification and description of the varieties of lithics that were used. A specific material of local origin, Mingan chert, occupies a special place in this study. The importance of this material for regional prehistory has remained, until now, poorly understood. As a result of our analyses, a full inventory of the lithic varieties used on these sites is presented and permits us to illustrate certain prehistoric behaviours. Principally, we identify two sets of sites which correspond to the presence of subregional aboriginal groups (bands). Finally, raw material use demonstrates social and exchange ties that link the groups of our study area to those of the broader region of the Quebec-Labrador peninsula.
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Chapdelaine, Maude. "L’exploitation de la faune par les Iroquoiens : l’alimentation carnée des habitants du site McDonald (BgFo-18)". Thèse, 2018. http://hdl.handle.net/1866/23609.

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This thesis explores patterns of faunal exploitation habits at the McDonald site, in the Saint-Anicet area during the Late Woodland period. The main goal is to determine the importance of wild game in the Iroquoian economical system which is based on the balance of fishing, hunting and horticulture. The result of the faunal analysis shows that White-Tailed Deer, North American Black Bear and North American Beaver are the most important taxa contributing to the subsistence economy of the inhabitants of the site. This was determined by standard zooarchaeological methods, including calculation of the number of identified specimens (NISP), the minimum number of individuals (MNI), meat weight (MW) and ethnohistorical data. This thesis also discusses the spatial distribution of animal skeletal remains, comparing meat consumption patterns within each family unity inside the longhouses and within and between each longhouse. This comparison shows that faunal remains are mostly located in the central alignment of longhouses and are homogeneously distributed. The taxa distributed within the longhouses suggest relatively equalitarian access to animal resources. Analysis of the bone concentrations shows a collaborative tendency between family units within the community. Furthermore, the faunal assemblage tends to show an annual occupation of the site. Sedentary occupation of the site is also supported by ceramic analysis and cultigen analysis. Finally, we compare the mammal NISP and MNI of the McDonald's site with seven other contemporaneous archaeological sites from the region. This comparison shows that mammalian resources declined in importance in the Iroquoian diet between the beginning of the 14th century and the first part of the 16th century, probably due to the adoption of horticulture.
Ce mémoire porte sur l'exploitation de la faune par les habitants du site McDonald de la région de Saint-Anicet. L'objectif principal est de caractériser la place des mammifères dans l’économie mixte des Iroquoiens du Saint-Laurent à un moment où l’horticulture gagne en popularité. L’étude de l’assemblage faunique a permis de déterminer que le cerf de Virginie, l’ours noir et le castor du Canada sont les principaux taxons mammaliens qui contribuent de façon économique, technologique et symbolique à l’économie de subsistance des habitants du site McDonald. Cette étude a été menée en intégrant des statistiques descriptives propres à la zooarchéologie telles que le nombre de restes déterminés (NRD), le nombre minimal d’individus (NMI) et le poids de viande (PV) avec des sources d’informations connexes telles que des documents ethnohistoriques, des guides fauniques et des statistiques gouvernementales. Ce travail utilise également l’analyse de la distribution spatiale des restes squelettiques qui montre une répartition des matières dures animales majoritairement alignée dans l’axe central des maisons-longues. La distribution spatiale des taxons montre quant à elle une homogénéité dans la dispersion des animaux entre les maisons-longues, ainsi qu’une répartition relativement égalitaire des ressources carnées entre les unités familiales. L’analyse des concentrations révèle même un esprit de collaboration entre les unités familiales contiguës. De plus, le spectre de faune tend à démontrer une occupation annuelle du site, ce qui corrobore l’analyse céramique et l’analyse des cultigènes. Finalement, en comparant le NRD et le NMI mammalien du site McDonald avec sept autres sites contemporains, l’analyse faunique démontre que les ressources mammaliennes sont en décroissance dans l’alimentation des Iroquoiens entre le début du 14e siècle et la première moitié du 16e siècle, période qui correspond justement à l’essor de l’horticulture (maïs, haricot, courge) au sein de la diète iroquoienne, ce qui caractérise l’économie mixte de la période du Sylvicole supérieur.
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Libri sul tema "North Shore of the St. Lawrence"

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Fitzhugh, William W. Archaeological survey of the Quebec lower north shore, Gulf of St. Lawrence, from Mingan to Blanc Sablon. Washington, D.C.]: Arctic Studies Center, 2002.

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2

Assembly, Canada Legislature Legislative, a cura di. Petition of the Montagnais tribe of Indians, inhabiting the north shore of the St. Lawrence, or territory formerly designated by the name of the "King's Posts". [S.l: s.n., 1985.

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3

F, Pendergast James, Chapdelaine Claude e Wright J. V. 1932-, a cura di. Essays in St. Lawrence Iroquoian archaeology. Dundas, Ont: Copetown Press, 1993.

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4

Wild, Kenneth S. Archeological investigations conducted along the North Shore Road, St. John, U.S. Virgin Islands. Tallahassee, Fla: National Park Service, Southeast Archeological Center, 1986.

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5

Assembly, Canada Legislature Legislative. Bill: An act to incorporate the "St. La[wrence] North Shore Navigation Company". Quebec: Thompson, 2003.

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Stewart, Frances L. Proto-Huron/Petun and proto-St. Lawrence Iroquoian subsistence as culturally defining. London, Ont: London Museum of Archaeology, 1999.

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Lafrenière, Normand. Lightkeeping on the St. Lawrence: The end of an era. Toronto: Dundurn Press, 1996.

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8

Petricevich, Colleen. St. Joseph's Takapuna, 1966-2006: 40 year history : St Joseph's Catholic Church, 1966-2006. A cura di St. Joseph's Parish (North Shore City, N.Z.). North Shore City, N.Z: St Joseph's Parish, 2007.

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Peppas, Lynn. The St. Lawrence: River route to the Great Lakes. New York: Crabtree Pub. Co., 2009.

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Peppas, Lynn. The St. Lawrence: River route to the Great Lakes. St. catharines, Ont: Crabtree Pub. Co., 2010.

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Capitoli di libri sul tema "North Shore of the St. Lawrence"

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Wright, J. V. "The Prehistoric Transportation of Goods in the St. Lawrence River Basin". In Prehistoric Exchange Systems in North America, 47–71. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-6231-0_3.

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2

Fitzhugh, William W., Anja Herzog, Sophia Perdikaris e Brenna McLeod. "Ship to Shore: Inuit, Early Europeans, and Maritime Landscapes in the Northern Gulf of St. Lawrence". In When the Land Meets the Sea, 99–128. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8210-0_6.

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3

"Anadromous Sturgeons: Habitats, Threats, and Management". In Anadromous Sturgeons: Habitats, Threats, and Management, a cura di Arne Ludwig e Jörn Gessner. American Fisheries Society, 2007. http://dx.doi.org/10.47886/9781888569919.ch16.

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<em>Abstract.</em> - Sea sturgeons are closely related anadromous fishes inhabiting both shores of the North Atlantic Ocean. They are classified in two species: the European sturgeon <em>Acipenser sturio</em> in Europe and the Atlantic sturgeon <em>A. oxyrinchus</em> in North America. The Atlantic sturgeon is further separated into two subspecies: Atlantic sturgeon (North American East Coast populations) <em>A. o. oxyrinchus</em> and Gulf sturgeon <em>A. o. desotoi. </em>Most recent studies of morphology and genetics support these classifications. Furthermore, they produced evidence for a trans-Atlantic colonization event during the early Middle Ages. Atlantic sturgeon colonized Baltic waters, founding a self-reproducing population before they became extinct due to anthropogenic reasons. Today, populations of Atlantic sturgeon are found along the Atlantic Coast from the St. Johns River, Florida to the St. Lawrence River, Quebec, whereas only one relict spawning population of European sturgeon still exists in the Gironde River, France. The evidence of a population of Atlantic sturgeon in Baltic waters requires a detailed comparison of both sea sturgeon species, describing differences and similarities, which may influence the ongoing restoration projects in Europe as well as concerning conservation efforts in North America. This article reviews similarities and differences in the fields of genetics, morphology, and ecological adaptation of European sturgeon and Atlantic sturgeon, concluding that, besides morphological and genetic differences, a wider range of spawning temperatures in Atlantic sturgeon is evident. This wider temperature adaptation may be a selective advantage under fast-changing climatic conditions, possibly the mechanism that enabled the species shift in the Baltic Sea during the Middle Ages.
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THORP, JAMES H., GARY A. LAMBERTI e ANDREW F. CASPER. "ST. LAWRENCE RIVER BASIN". In Rivers of North America, 982–1028. Elsevier, 2005. http://dx.doi.org/10.1016/b978-012088253-3/50025-0.

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Kotzebue, Otto Von. "St. Lawrence Island". In A Republic Of Rivers, 53–56. Oxford University PressNew York, NY, 1990. http://dx.doi.org/10.1093/oso/9780195061024.003.0007.

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Abstract Otto Von Kotzebue (1787-1846) accompanied Admiral A. J. Von Krusenstern on his circumnavigation of the world in 1803-1806, and subsequently commanded two other voyages around the world in 1815-1817 and 1823-1826. It was on his second voyage that he explored the northwestern coast of Alaska in 1816 in an unsuccessful attempt to find the “Holy Grail” of arctic exploration-the northwest passage. He named Kotzebue Sound for himself, a large bay 35 miles wide by BO miles long north of the Seward Peninsula in extreme northwestern Alaska.
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Lamberti, Gary A., Andrew F. Casper, David M. Costello e David J. Janetski. "St. Lawrence River—Great Lakes Basin". In Rivers of North America, 926–73. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-12-818847-7.00013-6.

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Beinart, William, e Lotte Hughes. "The Fur Trade in Canada". In Environment and Empire. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199260317.003.0008.

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In the tropical zones of mainland America and the Caribbean islands, plantations became a key vehicle for imperial expansion—an early hothouse of intensive production which boosted Caribbean populations from 200,000 to two million over a couple of centuries. The indigenous population, as noted in the last chapter, had no place in this system and was largely destroyed or its remnants absorbed. But the labour requirements of the plantation system, its location, and the diseases it engendered also shaped a demography weighted against white settlers, especially in the Caribbean. At the northern limits of European intrusion, on the Atlantic coast, down the St Lawrence River, and on the shores of the Hudson Bay, the imperial frontier was extended more by trade than by agrarian settlement. In this chapter, we illustrate how the natural environment of this region, as well as economic and political forces, influenced the routes of intrusion and patterns of interaction. In contrast to the Caribbean, Native Americans had a major role in supplying imperial markets. Coastal settler society in the Americas, from Boston north, grew partly around the cod fisheries. The Grand Banks off the Canadian coast were a particularly rich source of cod and had been fished by the Spanish, Portuguese, and Basques since the sixteenth century or before. By the early seventeenth century, as many as 300 French and 150 British ships were recorded at one time on what became the Canadian coast. Cod fisheries were largely run by Europeans and based on European technology. They became the basis for an important export trade in dried and salted cod, bacalhau, to Europe and the Caribbean, where sources of protein were in short supply. On the sugar islands, especially, there were severe constraints on keeping livestock, and a lack of indigenous species to hunt. Dried cod, traded from North to Central America, to some degree filled this dietary gap; not only did it last well but it was also light to transport. Crosby has argued that North America was particularly porous with respect to the absorption of Eurasian animal and plant species and that these greatly facilitated settler colonialism.
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"2 .“Dear Son Write To Me”: Those Left Behind And Life On The North Shore". In Lawrence Grassi, 29–78. University of Toronto Press, 2015. http://dx.doi.org/10.3138/9781442617094-007.

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"I. The Economy of the North". In The Empire of the St. Lawrence, a cura di Christopher Moore, 1–21. Toronto: University of Toronto Press, 2002. http://dx.doi.org/10.3138/9781442659889-004.

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Beinart, William, e Lotte Hughes. "Environmental Aspects of the Atlantic Slave Trade and Caribbean Plantations". In Environment and Empire. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199260317.003.0007.

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The Atlantic world became Britain’s main early imperial arena in the seventeenth century. Subsequent to Ireland, North America and the Caribbean were the most important zones of British settler colonialism. At the northern limits of settlement, around the Atlantic coast, the St Lawrence River, the Great Lakes and on the shores of the Hudson Bay, cod fisheries and fur-trading networks were established in competition with the French. This intrusion, while it had profound effects on the indigenous population, was comparatively constrained. Secondly, British settlements were founded in colonial New England from 1620. Expanding agrarian communities, based largely on family farms, displaced Native Americans, while the ports thrived on trade and fisheries. In the hotter zones to the south, both in the Caribbean and on the mainland, slave plantations growing tropical products became central to British expansion. Following in Spanish footsteps, coastal Virginia was occupied in 1607 and various Caribbean islands were captured from the 1620s: Barbados in 1627, and Jamaica in 1655. The Atlantic plantation system was shaped in part by environment and disease. But these forces cannot be explored in isolation from European capital and consumption, or the balance of political power between societies in Europe, Africa, and America. An increase in European consumer demand for relatively few agricultural commodities—sugar, tobacco, cotton, and to a lesser extent ginger, coffee, indigo, arrowroot, nutmeg, and lime—drove plantation production and the slave trade. The possibility of providing these largely non-essential additions for British consumption arose from a ‘constellation’ of factors ‘welded in the seventeenth century’ and surviving until the mid-nineteenth century, aided by trade protectionism. This chapter analyses some of these factors and addresses the problem of how much weight can be given to environmental explanations. Plantations concentrated capital and large numbers of people in profoundly hierarchical institutions that occupied relatively little space in the newly emerging Atlantic order. In contrast to the extractive enterprise of the fur trade, this was a frontier of agricultural production, which required little involvement from indigenous people. On some islands, such as Barbados, Spanish intrusions had already decimated the Native American population before the British arrived; there was little resistance.
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Atti di convegni sul tema "North Shore of the St. Lawrence"

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Hunt, Benjamin, Emily Chen, Sylvia L. R. Schreiner e Lane Schwartz. "Community lexical access for an endangered polysynthetic language: An electronic dictionary for St. Lawrence Island Yupik". In Proceedings of the 2019 Conference of the North. Stroudsburg, PA, USA: Association for Computational Linguistics, 2019. http://dx.doi.org/10.18653/v1/n19-4021.

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Hetman, Madisen, Dalton Moore, Sarah Nuss e Adrienne Rygel. "WATER QUALITY ASSESSMENT AND NUTRIENT LOADING OF THE GRASSE RIVER, ST. LAWRENCE COUNTY, NEW YORK". In Joint 52nd Northeastern Annual Section and 51st North-Central Annual GSA Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017ne-290055.

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Brodylo, John, Jean-Yves Desire Chatellier, Guillaume Matton e Michel Rheault. "The Stability of Fault Systems in the South Shore of the St. Lawrence Lowlands of Quebec: Implications for Shale Gas Development". In Canadian Unconventional Resources Conference. Society of Petroleum Engineers, 2011. http://dx.doi.org/10.2118/149307-ms.

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Nuss, Sarah, Madisen Hetman, Dalton Moore e Adrienne Rygel. "FIELD ASSESSMENT OF EROSION POTENTIAL AND SEDIMENT LOADING OF THE GRASSE RIVER, ST. LAWRENCE COUNTY, NEW YORK". In Joint 52nd Northeastern Annual Section and 51st North-Central Annual GSA Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017ne-290064.

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Evans, Kevin Ray, e Robert T. Pavlowsky. "RAISED SHORE PLATFORMS AND AN EARLY JAMAICAN POTSHERD IN SOUTHWESTERN ST. ELIZABETH PARISH: NEOTECTONIC IMPLICATIONS FOR AN ARCHAEOLOGICAL HYPOTHESIS". In 54th Annual GSA North-Central Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020nc-348135.

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Ritch, Ron. "First Year Hull-Ice Interaction Loads Measured on the Louis S. St-Laurent During the 1995 Gulf of St. Lawrence Trials". In SNAME 8th International Conference and Exhibition on Performance of Ships and Structures in Ice. SNAME, 2008. http://dx.doi.org/10.5957/icetech-2008-122.

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During March of 1995, hull-ice interaction loads were measured on the hull of the Louis S. St-Laurent (LSSL) in the Gulf of St. Lawrence. The programme made use of strain gages placed on the bow and shoulder areas of the hull for the LSSL 1994 North Pole voyage. An additional measurement area in the stern was added. The winter of 1995 was a mild winter. Ice thickness during the trials was in the range of 0.4m to 0.5m and air temperatures were generally above zero during the day and -5°C at night. There was marked deterioration of the ice strength over the duration of the trials. The trials were conducted on a non-interference basis. Only very limited dedicated trials were conducted. The data was collected using transient recorders with user-defined threshold triggers. Two video systems were installed, one to document the view looking forward of the vessel and a second looking vertically downwards along the side to record the ice thickness of ice piece broken by the bow and turned on edge. This paper documents the measurement program conducted, including a description of the measurement systems and data processing methods. The final results of measured forces/pressures and their distributions are presented and comparisons made to the 1994 LSSL voyage and several other ships.
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Moore, Dalton, Madisen Hetman, Sarah Nuss e Adrienne Rygel. "USING THE WATER EROSION PREDICTION PROJECT (WEPP) MODEL TO ASSESS EROSION POTENTIAL AND SEDIMENT LOADING OF THE GRASSE RIVER, ST. LAWRENCE COUNTY, NEW YORK". In Joint 52nd Northeastern Annual Section and 51st North-Central Annual GSA Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017ne-290065.

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Nader, Marwan, Carol Choi, James Duxbury e Guy Mailhot. "The Samuel De Champlain Bridge – A holistic approach to sustainability and durability". In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1205.

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<p>The Samuel De Champlain Bridge is one of the busiest bridges in North America. With over $20 billion Canada-US trade crossings annually, it is vital to Canada’s international trade partnership.</p><p>Spanning the St. Lawrence River in Montreal, this lifeline structure faces unique hazards including extreme cold climate conditions, ice abrasion, ice-accretion on stays, de-icing salt attacks, wind, vessel collision, scour, and seismic activity, while meeting the required design life of 125 years.</p><p>This paper discusses the holistic approach adopted to achieve the project’s sustainability and durability objectives. The project started with extensive environmental assessments, implemented design strategies to minimize environmental impacts, and employed a comprehensive durability plan and a structural maintenance plan. The Samuel De Champlain Bridge received the PLATINUM ENVISION® award for Sustainable Infrastructure Project.</p>
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Nader, Marwan, Carol Choi, James Duxbury e Guy Mailhot. "The Samuel De Champlain Bridge – A holistic approach to sustainability and durability". In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1205.

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<p>The Samuel De Champlain Bridge is one of the busiest bridges in North America. With over $20 billion Canada-US trade crossings annually, it is vital to Canada’s international trade partnership.</p><p>Spanning the St. Lawrence River in Montreal, this lifeline structure faces unique hazards including extreme cold climate conditions, ice abrasion, ice-accretion on stays, de-icing salt attacks, wind, vessel collision, scour, and seismic activity, while meeting the required design life of 125 years.</p><p>This paper discusses the holistic approach adopted to achieve the project’s sustainability and durability objectives. The project started with extensive environmental assessments, implemented design strategies to minimize environmental impacts, and employed a comprehensive durability plan and a structural maintenance plan. The Samuel De Champlain Bridge received the PLATINUM ENVISION® award for Sustainable Infrastructure Project.</p>
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Rapporti di organizzazioni sul tema "North Shore of the St. Lawrence"

1

Farahbod, A., e J. F. Cassidy. Spatial and temporal variations in seismic coda Q attenuation in the lower St. Lawrence region, southeastern Quebec. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332027.

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We investigate seismic attenuation characteristics of the Lower St. Lawrence seismic zone in southeastern Quebec. This zone is located ~400 km downstream from Quebec City and is between the Quebec North Shore and the Lower St. Lawrence. We used earthquake recordings from 5 broadband and 5 short period seismograph stations of the Canadian National Seismic Network (CNSN) across the region. Our dataset is comprised of 847 earthquakes recorded between 1985 and 2022 with magnitudes ranging from 2.0 to 5.1, depths from 0 to 30 km and epicentral distances of 5 to 100 km. This gives a total of 446 high signal-to-noise (S/N) traces (S/N?5.0) useful for QC calculation (with a maximum ellipse parameter, a2, of 100) across the region. Coda windows were selected to start at tc = 2tS (two times the travel time of the direct S wave), and were filtered at center frequencies of 2, 4, 8, 12 and 16 Hz. Our study reveals a consistent pattern. We find that the lowest overall average of Q0 (Q at 1 Hz) values are at the three stations (GSQ, ICQ and SMQ) within 100 km of a moderate earthquake of mN 5.1 in 1999 (e.g., Q0 of 81, 88 and 80, respectively). We determined temporal variations in attenuation following the 1999 earthquake. The overall average of Q0 decreased from 87 (before the mainshock) to 77 (GSQ, D=96 km), from 92 to 85 (ICQ, D=69 km) and from 88 to 82 (SMQ, D=73 km). These results are in agreement with global studies that show a decrease in Q0 following a significant earthquake, (e.g., M &amp;gt; 5) likely the result of increased fracturing and fluids in the epicentral region. An average for all the data results in a Q relationship of QC = 86f1.07 for the frequency band of 2 to 16 Hz for the entire region.
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2

Campbell, D. C., S. Hayward, R. Côté e L. Poliquin. F.G. Creed Expedition 2005-038: Multibeam and magnetometer survey of the St. Lawrence Estuary north of Rimouski - June 5th to 17th 2005. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2005. http://dx.doi.org/10.4095/221099.

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Campbell, D. C., M. Duchesne, L. Poliquin e R. Côté. F.G. Creed expedition 2005-066: multibeam and magnetometer survey of the St. Lawrence Estuary north of Mont-Joli, Aug 27th to Sept 8th 2005. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2006. http://dx.doi.org/10.4095/221690.

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4

Campbell, C., R. Côté, M. Furlong, P. Fraser, S. Paquet, D. Brisson e P. X. Normandeau. F.G. Creed expedition 2006-017: multibeam, magnetometer and sub-bottom profiler survey of the St. Lawrence Estuary north of Cacouna and Matane, May 6th to June 4th 2006. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2007. http://dx.doi.org/10.4095/223557.

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5

Butler, Afrachanna, Catherine Thomas, Alyssa Calomeni, Andrew McQueen e William Slack. Microseira wollei (M. wollei) blooms in freshwater ecosystems in Lake St. Clair (Michigan, USA)–impacts and possible management approaches. Engineer Research and Development Center (U.S.), settembre 2023. http://dx.doi.org/10.21079/11681/47648.

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The proliferation and shoreline accumulation of the filamentous biphasic cyanobacterium, Microseira wollei (M. wollei) (previously classified as Lyngbya wollei), have become an increasing problem in the Great Lakes, both for aesthetic reasons and its potential to harbor harmful bacteria and pathogens (Vijayavel et al. 2013). Occurrences have been reported and studies have also been conducted in the southeastern US where M. wollei has become a nuisance in recent years and is known to produce toxins (Hudon et al. 2014). Reports of M. wollei proliferations in the eastern US have been identified in the Manitoba lakes (Macbeth 2004), in Lake Erie from Maumee Bay (Bridgeman and Penamon 2010), in Lake St. Clair near Detroit (Vijayavel et al. 2013), and throughout the St Lawrence River (Vis et al. 2008; Lévesque et al. 2012). M. wollei has become a serious nuisance for marinas, public beaches, and lakefront property owners. In addition, M. wollei appears to have the ability to produce a wide range of toxins, but the conditions promoting their production, type, and concentration are poorly known (Hudon et al. 2014). Occurrences of large algal mats matching characteristics of M. wollei have been observed along the northwest shore and nearshore waters of the beach at Lake St. Clair dating back to 2010. To date, a comprehensive study detailing the potential impacts M. wollei has on freshwater ecosystems in the Great Lakes River, particularly Lake St. Clair is lacking. Further, management solutions are not well understood. This technical note (TN) reviews the potential causes of M. wollei blooms and their ecological impacts on aquatic systems and assesses the management options available to eliminate or minimize the impacts of these blooms.
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6

Atkinson, E. A. Regional mapping and qualitative petroleum resource assessment of the Magdalen Basin, Gulf of St. Lawrence, Quebec, Prince Edward Island, New Brunswick, Nova Scotia, and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331452.

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The Geological Survey of Canada conducted a broad regional study of the Magdalen Basin in the Gulf of St. Lawrence, as part of the Marine Conservation Targets initiative. MCT is a national initiative to protect more of Canada's offshore areas, and resource assessment and related regional mapping are part of the review process. This study assembled a large seismic and geologic database that allowed new regional mapping of several key horizons in this basin. Digital seismic data was donated by industry, and reprocessing undertaken both in-house and with contractors. Wells were correlated and tops from literature were used to indentify regional reflection packages. Regionally consistent two-way time interpretations add to confidence. Depth conversion used regional time-depth functions from literature, which were developed from refraction data, with a residual correction for the water column. Nine regional depth maps and eight isopach maps were produced, including Pre-Horton Basement, Horton Group Isopach, Base Windsor Group, Top Salt, Top Bradelle Formation, Bradelle / Cumberland Isopach, and Top Cable Head Formation. These maps illustrate that the Pre-Horton basement is about 15 km deep in the centre of the basin. Two main trends are visible in the Horton Grabens, which may relate to basin formation, and no significant reactivation of deeper Appalachian structure is observed. In the basin centre, the more robust Base Windsor Unconformity horizon reaches about 12 km deep, and a key reservoir and source sequence in the Bradelle Formation reaches 7 km. These maps are useful for considering regional stratigraphy. The new mapping also constrained basin models and became the input for our Qualitative Petroleum Potential map. Basin modelling reveals scenarios where oil may be preserved. The petroleum potential of the region is highest north of Îles de la Madeleine and southeast of Îles de la Madeleine and northwest of Cape Breton.
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Rogers, Caroline. A synthesis of coral reef research at Buck Island Reef National Monument and Salt River Bay National Historical Park and Ecological Preserve, St. Croix, U.S. Virgin Islands: 1961 to 2022. National Park Service, settembre 2022. http://dx.doi.org/10.36967/2294235.

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This synthesis focuses on the history of research on coral reefs within two U.S. National Park Service units in St. Croix, U.S. Virgin Islands: Buck Island Reef National Monument (from 1961 to 2022) and Salt River Bay National Historical Park and Ecological Preserve (from 1980 to 2022). Buck Island Reef National Monument (BUIS) is off the north shore of the island of St. Croix, in the U.S. Virgin Islands. Established in 1961 and expanded in 2001, it is under the jurisdiction of the National Park Service (NPS). Long-term monitoring programs maintained by the NPS and jointly by the University of the Virgin Islands (UVI) and the Virgin Islands Department of Planning and Natural Resources (VIDPNR) provide data on trends in living coral cover and specific coral species from 2000 and 2001, respectively. Disease, thermal stress (indicated by coral bleaching), and hurricanes reduced total coral cover periodically, but cover remained relatively stable from 2007 through the end of 2020. Salt River Bay National Historical Park and Ecological Preserve (SARI) is a national park on the north shore of the island of St. Croix, in the U.S. Virgin Islands. Established in 1992, it is co-managed by the NPS and the Government of the Virgin Islands. Long-term monitoring programs maintained by the NPS and by the UVI with the VIDPNR provide data on trends in living coral cover and individual coral species from 2011 and 2001, respectively. In spite of thermal stress (indicated by coral bleaching), disease, and hurricanes, total coral cover remained relatively stable through the end of 2020. This document also includes results from extensive investigations by the National Oceanic and Atmospheric Administration (NOAA) and from many individual projects including those based out of the underwater saturation habitats Hydrolab and Aquarius from 1977 to 1989, as well as studies from researchers at Fairleigh Dickinson University’s West Indies Laboratory. While not possible to review all of these in detail, this report highlights information considered useful to managers, and scientists planning future research. In 2021, a particularly virulent disease called stony coral tissue loss disease (SCTLD), first noted in 2014 in Florida, and then in 2019 in the U.S. Virgin Islands, started killing corals in BUIS and SARI with the different species showing a gradient of susceptibility. An exact cause or link between this disease and human actions has not been discovered to date. The losses associated with this disease have now exceeded those from any other stressors in these national parks.
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Dudoit, Alain, Molivann Panot e Thierry Warin. Towards a multi-stakeholder Intermodal Trade-Transportation Data-Sharing and Knowledge Exchange Network. CIRANO, dicembre 2021. http://dx.doi.org/10.54932/mvne7282.

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The performance of supply chains used to be mainly the concern of academics and professionals who studied the potential efficiencies and risks associated with this aspect of globalisation. In 2021, major disruptions in this critical sector of our economies are making headlines and attracting the attention of policy makers around the world. Supply chain bottlenecks create shortages, fuel inflation, and undermine economic recovery. This report provides a transversal and multidisciplinary analysis of the challenges and opportunities regarding data interoperability and data sharing as they relate to the ‘Great Lakes - St. Lawrence Seaway Trade Corridor’ (GLSLTC)’s intermodal transportation and trade data strategy. The size and scope of this trade corridor are only matched by the complexity of its multimodal freight transportation systems and growing urbanization on both sides of the Canada-US border. This complexity is exacerbated by the lack of data interoperability and effective collaborations between the different stakeholders within the various jurisdictions and amongst them. Our analytical work relies on : 1) A review of the relevant documentation on the latest challenges to supply chains (SC), intermodal freight transport and international trade, identifying any databases that are to be used.; 2) A comparative review of selected relevant initiatives to give insights into the best practices in digital supply chains implemented in Canada, the United States, and the European Union.; 3) Interviews and discussions with experts from Transport Canada, Statistics Canada, the Canadian Centre on Transportation Data (CCTD) and Global Affairs Canada, as well as with CIRANO’s research community and four partner institutions to identify databases and data that they use in their research related to transportation and trade relevant data availabilities and methodologies as well as joint research opportunities. Its main findings can be summarized as follow: GLSLTC is characterized by its critical scale, complexity, and strategic impact as North America’s most vital trade corridor in the foreseeable further intensification of continental trade. 4% of Canadian GDP is attributed to the Transportation and Logistics sector (2018): $1 trillion of goods moved every year: Goods and services imports are equivalent to 33% of Canada’s GDP and goods and services exports equivalent to 32%. The transportation sector is a key contributor to the achievement of net-zero emissions commitment by 2050. All sectors of the Canadian economy are affected by global supply chain disruptions. Uncertainty and threats extend well beyond the COVID-19 Pandemic. “De-globalization” and increasing supply chains regionalization pressures are mounting. Innovation and thus economic performance—increasingly hinges on the quantity and quality of data. Data is transforming Canada’s economy/society and is now at the center of global trade “Transport data is becoming less available: Canada needs to make data a priority for a national transportation strategy.” * “How the Government of Canada collects, manages, and governs data—and how it accesses and shares data with other governments, sectors, and Canadians—must change.”
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9

Probing the Rivers on the North Shore of the St. Lawrence 1651 to 1664. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2010. http://dx.doi.org/10.4095/300963.

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