Bibliographies thématiques / Sandy Shore

Littérature scientifique sur le sujet « Sandy Shore »

Auteur : Grafiati
Publié le 10 mars 2023

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Articles de revues sur le sujet "Sandy Shore"

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Armonies, W., et K. Reise. « Faunal diversity across a sandy shore ». Marine Ecology Progress Series 196 (2000) : 49–57. http://dx.doi.org/10.3354/meps196049.

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Swales, Andrew, John W. Oldman et Keith Smith. « Bedform geometry on a barred sandy shore ». Marine Geology 226, no 3-4 (février 2006) : 243–59. http://dx.doi.org/10.1016/j.margeo.2005.10.001.

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Hasegawa, Yukihiko, Masamitsu Kuroiwa, Yuhei Matsubara, Yasushi Icimura et Yoshiyuki Nagaishi. « THREE-DIMENSIONAL MORPHODYNAMIC MODEL TO SANDY BEACH WITH NON-ERODED HARD BOTTOM ». Coastal Engineering Proceedings 1, no 33 (18 octobre 2012) : 10. http://dx.doi.org/10.9753/icce.v33.sediment.10.

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The objective of study is to develop a coastal area model for sandy beach with shore reef such as non-eroded hard bottom. The morphodynamics with exposure and bury of the shore reef are reproduced by advection and diffusion model for suspended sediment concentration. Firstly, model tests associated with sandy beaches with a detached breakwater and groins were carried out in order to investigate the performance of the presented model. Secondly, the presented model was applied to a filed site with both shore reef and sandy beach, the applicability of the model was investigated and discussed.
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Butler, Sarah A., Natalie Sheppard, Peter Dann, Grainne S. Maguire et Michael A. Weston. « Foraging behaviour of an obligate, sandy shore predator ». Estuarine, Coastal and Shelf Science 246 (novembre 2020) : 107045. http://dx.doi.org/10.1016/j.ecss.2020.107045.

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Atkins, S. M., A. M. Jones et J. A. Simpson. « The fauna of sandy beaches in Orkney : a review ». Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 87, no 1-2 (1985) : 27–45. http://dx.doi.org/10.1017/s0269727000004140.

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SynopsisThe physical and biological characteristics of a variety of sandy shores in Orkney are described using transect data from 7 sites within Scapa Flow and 7 sites from the Mainland and North Isles. Shore profiles are described and discussed, shores ranging in length from 80 m to 1200 m. Median grain size of the sediments was generally between 180 and 300 μm (fine to medium grade sands) and the sediments were very clean. The fauna was dominated numerically by polychaetes and amphipods on all shores, Pygospio elegans, Capitella capitata and Bathyporeia spp. being the dominant forms; molluscs were notably insignificant on most shores. Tables giving the maximum densities of every species recorded together with the maximum densities of dominant species at each station on all shores are presentThe results are compared with a range of North European shores which comprise basically similar communities but with much higher population densities in Orkney. A site of unique interest at the Bay of Quoys, Hoy, is described and discussed.
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Blažauskas, Nerijus, et Dmitry Dorokhov. « Assessment of the sensitivity of sandy coasts of the south–eastern part of the Baltic to oil spills ». Baltica 27, special (20 février 2014) : 55–64. http://dx.doi.org/10.5200/baltica.2014.27.16.

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The sandy coasts of the south–eastern Baltic Sea are the unique landscape along the shores of Poland, Kaliningrad Oblast (Russia), Lithuania and Latvia. Flat sandy beaches, protective dune ridges and near shore sandy spits are very valuable and attractive resources for human recreation and valuable habitat for wildlife. Intensifying shipping, operation of oil terminals and offshore platforms poses a constant threat not only to coastal and socio–economic resources, but also to sensitive underwater landscapes of marine areas and vulnerable marine habitats. Analysis of environmental sensitivity proved to be an effective tool for national and regional oil spill response planning. However, in order to complete the precise evaluation of near shore and coastal zone sensitivity to possible oil spills there is a need to identify vulnerable coastal sectors and complete detailed mapping of underwater landscapes. This is achieved by developing an integrated methodology for analysis of valuable coastal zone sensitivity to potential oil spills.
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Wijnberg, Kathelijne, Daan Poppema, Jan Mulder, Janneke Van Bergen, Geert Campmans, Filipe Galiforni-Silva, Suzanne Hulscher et Paran Pourteimouri. « Beach-dune modelling in support of Building with Nature for an integrated spatial design of urbanized sandy shores ». Research in Urbanism Series 7 (18 février 2021) : 241–60. http://dx.doi.org/10.47982/rius.7.136.

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The long-term physical existence of sandy shores critically depends on a balanced sediment budget. From the principles of Building with Nature it follows that a sustainable protection of sandy shores should employ some form of shore nourishment. In the spatial design process of urbanized sandy shores, where multiple functions must be integrated, the knowledge and the prediction of sediment dynamics and beach-dune morphology thus play an essential role. This expertise typically resides with coastal scientists who have condensed their knowledge in various types of morphological models that serve different purposes and rely on different assumptions, thus have their specific strengths and limitations. This paper identifies morphological information needs for the integrated spatial design of urbanized sandy shores using BwN principles, outlines capabilities of different types of morphological models to support this and identifies current gaps between the two. A clear mismatch arises from the absence of buildings and accompanying human activities in current numerical models simulating morphological developments in beach-dune environments.
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KUROIWA, Masamitsu, Yuhei MATSUBARA, Yukihiko HASEGAWA, Yasushi ICHIMURA, Ken YOSHIZU, Tomoyoshi KOIZUMI, Masami SANNO et Naotsugu YAMAMOTO. « 3D Morphodynamic Model for Sandy Beach with Shore Reef ». Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 67, no 2 (2011) : I_531—I_535. http://dx.doi.org/10.2208/kaigan.67.i_531.

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Gondwe, Mangaliso J., Stephanie J. Guildford et Robert E. Hecky. « Sandy shore benthic N2-fixation in Lake Malawi, Africa ». SIL Proceedings, 1922-2010 30, no 6 (janvier 2009) : 941–44. http://dx.doi.org/10.1080/03680770.2009.11902276.

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Claereboudt, Michel R. « Shore litter along sandy beaches of the Gulf of Oman ». Marine Pollution Bulletin 49, no 9-10 (novembre 2004) : 770–77. http://dx.doi.org/10.1016/j.marpolbul.2004.06.004.

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Thèses sur le sujet "Sandy Shore"

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Sawada, Hideki. « Temporal occurrence of the planktonic bivalve larvae in an exposed sandy shore ». Kyoto University, 2012. http://hdl.handle.net/2433/152530.

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Kyoto University (京都大学)
0048
新制・課程博士
博士(農学)
甲第16514号
農博第1904号
新制||農||995(附属図書館)
学位論文||H24||N4647(農学部図書室)
29171
京都大学大学院農学研究科応用生物科学専攻
(主査)准教授 豊原 治彦, 教授 山下 洋, 准教授 笠井 亮秀
学位規則第４条第１項該当
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Lee, Ka-wai. « The impact of foraging by soldier crabs, Mictyris brevidactylus, on sandy shore communities ». Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B3955742X.

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Lee, Ka-wai, et 李嘉慧. « The impact of foraging by soldier crabs, Mictyris brevidactylus, on sandy shore communities ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B3955742X.

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Roberts, Tiffany. « Natural and Anthropogenic Influences on the Morphodynamics of Sandy and Mixed Sand and Gravel Beaches ». Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4216.

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Beaches and coastal environments are dynamic, constantly shaped and reshaped by natural processes and anthropogenic modifications. The morphodynamics and influence of natural and anthropogenic factors of two different coasts at various temporal and spatial scales are discussed. To quantify the performance of several beach nourishment projects at annual temporal and kilometer spatial scales on three adjacent microtidal low-wave energy barrier islands in west-central Florida, a total of 5,200 beach and nearshore-profiles spaced at 300 m were surveyed monthly to bi-monthly from 2006-2010. Beach nourishment performance is most significantly influenced by the interruption of longshore sediment transport by complex tidal-inlet processes. More specifically, the tidal-inlet processes influencing adjacent beach nourishment performance includes longshore transport interruption resulting from divergence induced by wave refraction over an ebb-tidal shoal, flood-tidal currents along the beach, and total littoral blockage by structured inlets. A morphologic indicator of a large longshore transport gradient within the study area is the absence of a nearshore sandbar. These non-barred beaches are characterized by persistent shoreline erosion and were almost exclusively located in areas with a large longshore transport gradient. The more typical beach state along the three barrier islands was one exhibiting a migratory bar and relatively stable shoreline. The presence of a sandbar indicates the dominance of cross-shore processes, with onshore migration during calm wave conditions and offshore migration during energetic wave conditions. The onshore and offshore migration of the sandbar is closely related to non-stormy summer and stormy winter seasonal beach changes, respectively. The morphodynamics of a mixed sand and gravel beach in Delaware were investigated based on 740 beach profiles surveyed almost monthly from 2009 to 2011, 60 sediment cores, and 550 surface sediment samples collected at various alongshore and cross-shore transects. Inter-seasonal temporal scales of storm-induced beach changes and post-storm recovery were examined based on a hurricane, a typical energetic winter storm, and an extremely energetic storm resulting from the rare collision of a hurricane and winter storm ("Nor'Ida") occurring within a 3-month period in 2009. The mixed sand and gravel beaches in Delaware are characterized by monotonically increasing water depths lacking a sandbar under all wave conditions. A distinctive beach cycle was identified consisting of a built-up berm profile and depleted nearly-planar storm profile, with a time-scale related to the frequency and intensity of storm impact and duration of intra-storm recovery instead of simple seasonality. The sedimentological characteristics of the storm deposit associated with Nor'Ida demonstrated substantial cross-shore variation ranging from sandy-gravel and gravelly-sand within the storm swash zone (near the pre-storm dune edge) to well-sorted medium to coarse sand seaward of the storm swash zone, suggesting that storm deposits along mixed beaches demonstrate a variety of sedimentological characteristics. A new dynamic beach cycle model is proposed for the non-barred mixed sand and gravel beach with temporal variability controlled by storm occurrence and inter-storm duration.
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Cowie, Phillip Rhys. « The microbial ecology of a temperate, sandy shore with an emphasis on marine naked amoebae ». Thesis, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417933.

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Mendonca, Vanda Maria Domingos. « Predator-prey interactions in a sandy shore system in the Moray Firth, North-East Scotland ». Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU106181.

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56 invertebrate species were identified from the sediment at Culbin. There was little evidence of consistent and easily interpretable seasonal cycles for the main invertebrates, but several species tended to have higher abundance during the autumn or early winter. Annual production by invertebrates was 15-23 gAFDW.m-2.yr-1. Arenicola marina was the most important in terms of standing stock in the sediment, followed by the bivalve Cerastoderma edule. Production values of cockles were 1.4-3.4 gAFDW.m-2.yr-1. The most abundant epibenthic species were the brown shrimp Crangon crangon, the common goby Pomatoschistus microps and plaice Pleuronectes platessa, but other fish (e.g. sandeel Ammodytes tobianus, three-spined stickleback Gasterosteus aculeatus, fifteen-spined stickleback Spinachia spinachia, sea scorpion Myoxocephalus scorpio, pipefish Nerophis lumbriciformes, sand goby Pomatoschistus minutus, and flounder Plactichthys flesus), crab (e.g. shore crab Carcinus maenas and hermit crab Pagurus bernhardus ) and starfish (Asterias rubens) were also present. The most important prey were amphipods (mainly Bathyporeia) for the brown shrimp and common goby, and bivalves (siphons of adult individuals) for plaice. Despite the relatively high consumption rates manipulative field experiments showed that none of the predators had significant impact on invertebrate prey densities, although shorebirds had significant size effects on the prey, especially on the larger size classes of the bivalves C. edule and Macoma balthica. These results are in line with others found all around the world such as in the Ythan estuary, Scotland (e.g. Raffaelli & Hall, 1992, Anim. Ecol. 61: 551-560), USA (Wilson, 1994, J. Exp. Mar. Biol. Ecol., 196(1) : 15-25), and in New Zealand (Trush et al., 1994, Mar. Ecol. Prog. Ser., 107(3) : 211-222).
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Brady, Alexander F. (Alexander Foster). « Buyouts and beyonds : politics, planning, and the future of Staten Island's East Shore after superstorm Sandy ». Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98926.

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Thesis: M.C.P., Massachusetts Institute of Technology, Department of Urban Studies and Planning, 2015.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 113-125).
In the aftermath of Superstorm Sandy, two separate, federally funded programs began purchasing storm-damaged homes from voluntary sellers in the low-lying, working-class communities of Staten Island's East Shore. New York State's, offered in three specific, geographically bounded neighborhoods, requires that the land procured be preserved as open space. The City's acquires any substantially damaged properties, with the goal of redeveloping them as more resilient housing. I began my research by asking why these parallel and sometimes competing programs had been established for the East Shore. What I uncovered was a deeply political, ad-hoc process resulting from a complex series of interactions between and among residents and their elected officials, each lobbying for their own priorities. While I explore this process in depth, I also pursue additional questions suggested by my findings. I was consistently told that each program's primary goal was to meet residents' immediate needs; thus, each was designed to respond to individuals or groups of homeowners, rather address the community as a whole. Yet when they were announced, each was also framed in terms of future land use: with the State's to create "buffer" areas protecting inland neighborhoods, and the City's providing an opportunity to rethink the East Shore's small lots, narrow streets, and insufficient infrastructure, a legacy of its history as a community of summer bungalows. Now that the government has begun to acquire land, however, these future-oriented goals have encountered numerous challenges-from disagreements over the appropriate agency to own and maintain the open space, to a potential loss of one of the few areas of the city providing an affordable homeownership option. In this context, I examine the post-Sandy planning processes that did take place in New York and their relationship to the acquisition programs, in comparison to similar planning and acquisition processes in New Orleans, LA and Cedar Rapids, IA. Ultimately, and particularly in light of the slow process of disbursing federal aid, I ask whether an engaged, participatory planning process is really a barrier to meeting immediate needs, or whether a properly designed process can yield better outcomes for both the victims of disaster and the neighborhoods they leave behind.
by Alexander F. Brady.
M.C.P.
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Smith, Cameron Ewart. « A comparison between macrofaunal communities on mixed shores and rocky and sandy shores in False Bay ». Master's thesis, University of Cape Town, 1999. http://hdl.handle.net/11427/9910.

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Bibliography: leaves 92-99.
The community structures of three shore types namely: "mixed shores" (those where rocky and sandy-shore habitats are intermixed), pure rocky shores and pure sandy beaches in False Bay, South Africa are compared in this study. Four habitats were identified - pure rock (unaffected by sand), mixed rock (rock affected by sand), mixed sand (sand between emergent rocks) and pure sand (beaches with no emergent rock) - representing a gradation from pure rock to pure sandy beaches. The specific aims of this study were to: (1) Sample quantitatively and describe macrofaunal communities on mixed shores in False Bay; (2) make direct comparisons among both the four types of habitats and three types of shores; and (3) test the hypothesis that sand inundation increases diversity at both habitat (a-diversity) and shore (diversity) level. The biological communities of mixed shores are described in terms of species composition, trophic organisation and zonation. Mixed-shore zonation patterns are different from those previously described for pure rocky shores in the region. The ability of Charomytilus meridiana/is and inability of patellid limpets and various algae, to withstand sand inundation are largely responsible for these differences.
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Adams, Gina Anne. « Interactive effects of atmospheric CO←2 enrichment, salinity and nitrogen concentration on performance of a C←3 and a C←4 strandline annual ». Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341454.

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Thomalla, Frank. « Happisburgh to Winterton sea defences : effects of shore-parallel breakwaters on beach morphology ». Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.481802.

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Livres sur le sujet "Sandy Shore"

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Hunt, Angela Elwell. The much-adored Sandy Shore. Wheaton, Ill : Tyndale House, 1992.

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Bell, Joseph. Sandy of Laguna. Seattle, Wash : Storytellers Ink, 1992.

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Turton, David. Aftermath : Images of Superstorm Sandy at the Jersey Shore. Bay Head, New Jersey : Jersey Shore Publications, 2013.

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Press, Asbury Park, dir. Sandy : The Jersey shore in the eye of the storm. Asbury Park, N.J.] : Asbury Park Press, 2012.

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Santelli, Robert. Guide to the Jersey shore : From Sandy Hook to Cape May. 2e éd. Chester, Conn : Globe Pequot Press, 1991.

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Santelli, Robert. Guide to the Jersey shore : From Sandy Hook to Cape May. 6e éd. Guilford, Conn : Globe Pequot Press, 2003.

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Surving Sandy : Long Beach Island and the greatest storm of the Jersey Shore. West Creek, NJ : Down The Shore Publishing, 2013.

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Balsillie, James H. Seasonal variation in sandy beach shoreline position and beach width : And, Open-ocean water level datum planes : use and misuse in coastal applications. Tallahassee, Fla : Florida Geological Survey, Division of Resource Management, Dept. of Natural Resources, 1999.

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Balsillie, James H. Seasonal variation in sandy beach shoreline position and beach width ; and : Open-ocean water level datum planes : use and misuse in coastal applications. Tallahassee, Fla : Florida Geological Survey, c1999., 1999.

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Rhodes, Wesley Thomas. Moving Forward by Retreating : Lessons Learned From the Post-sandy Buyouts on the East Shore of Staten Island for Future Flood Resilience Strategies. [New York, N.Y.?] : [publisher not identified], 2018.

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Chapitres de livres sur le sujet "Sandy Shore"

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Yu, Xinghe, Shengli Li et Shunli Li. « Sandy Coast (Shore) and Neritic Depositional System ». Dans Clastic Hydrocarbon Reservoir Sedimentology, 573–632. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70335-0_12.

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Wasantha Rathnayake, Rathnayake Mudiyanselage. « Threats to Sandy Shore Habitats in Sri Lanka from Invasive Vegetation ». Dans Impacts of Invasive Species on Coastal Environments, 87–111. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91382-7_3.

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« 3. Shore Resorts ». Dans Superstorm Sandy, 43–75. Rutgers University Press, 2019. http://dx.doi.org/10.36019/9780813573427-005.

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« 4. The Suburban Shore ». Dans Superstorm Sandy, 76–102. Rutgers University Press, 2019. http://dx.doi.org/10.36019/9780813573427-006.

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« 2. The Shore of Memories ». Dans Superstorm Sandy, 22–42. Rutgers University Press, 2019. http://dx.doi.org/10.36019/9780813573427-004.

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« 6. Restoring Security at the Shore ». Dans Superstorm Sandy, 125–44. Rutgers University Press, 2019. http://dx.doi.org/10.36019/9780813573427-008.

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« Prologue : Down the Shore, (Not) Everything’s All Right ». Dans Superstorm Sandy, 1–6. Rutgers University Press, 2019. http://dx.doi.org/10.36019/9780813573427-002.

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Perkiss, Abigail. « “Please, Sandy, No More” ». Dans Hurricane Sandy on New Jersey's Forgotten Shore, 16–25. Cornell University Press, 2022. http://dx.doi.org/10.7591/cornell/9781501709852.003.0002.

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This chapter narrates the time when Hurricane Sandy made landfall in Atlantic City and the storm's winds swept up the coast and into the triangle of the Raritan and Sandy Hook Bays. It looks at the story of Mary Jane and Roger Michalak, married forty-seven years, who realized that they wouldn't be able to raise themselves through a hole in their attic and instead sat down on their bed together, waiting for the water to wash over them. The chapter chronicles the day of the storm: the darkening skies and the winds kicking up, the Bayshore residents' fear rising with the waves. It offers insight into how we prepare for, survive, and respond to a disaster. These experiences at once reveal the human toll of disaster and the human capacity for resilience. The chapter shows a portrait of a devastating storm and of the network of relationships as victims, volunteers, and state and federal agencies came together afterward to rebuild.
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« 2. “Please, Sandy, No More” ». Dans Hurricane Sandy on New Jersey's Forgotten Shore, 16–25. Cornell University Press, 2022. http://dx.doi.org/10.1515/9781501764325-004.

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Perkiss, Abigail. « A Model of Disaster Preparedness ». Dans Hurricane Sandy on New Jersey's Forgotten Shore, 50–65. Cornell University Press, 2022. http://dx.doi.org/10.7591/cornell/9781501709852.003.0005.

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This chapter examines the challenges of accommodation in disaster preparedness, and the particular challenges that post-storm flood-insurance regulations posed for those who simply could not walk up extra stairs to their front door. The chapter glances at the post-Sandy recovery that became a rabbit hole of insurance wrangling, FEMA claims, and grant applications. It emphasizes that disaster response in the aftermath of Sandy suffered from a federal emergency-management system that privileged homeland security over natural hazards. Those living along the Bayshore experienced the effects of those priorities firsthand. The chapter recounts how the months and years after Sandy were occupied by a never-ending cycle of unanswered phone calls, piles of paperwork, and paralysis. The chapter explains emergency management in the United States. It also elaborates on the first comprehensive Disaster Relief Act that creates a permanent fund of federal resources to aid in disaster recovery.
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Actes de conférences sur le sujet "Sandy Shore"

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TAKEZAWA, MITSUO, et SHOUZO TOMAKI. « CHANGES OF CROSS-SHORE PROFILES IN SANDY BEACHES ». Dans Proceedings of the 13th IAHRߝ;APD Congress. World Scientific Publishing Company, 2002. http://dx.doi.org/10.1142/9789812776969_0143.

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Calidonna, Claudia Roberta, Salvatore Di Gregorio, Francesco Gullace, Daniel Gullì et Valeria Lupiano. « RUSICA initial implementations : Simulation results of sandy shore evolution in Porto Cesareo, Italy ». Dans INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2015 (ICNAAM 2015). Author(s), 2016. http://dx.doi.org/10.1063/1.4952339.

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Veliko Z, Dachev, et Dachev Veliko Z. « EVOLUTION OF SANDY BEACH IN THE CITY OF VARNA ». Dans Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b940757bbe8.94632221.

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The article represents a retrospective review of long time research of genesis and development of the Central beach in the City of Varna which makes possible a forecast of its further development. Both natural and anthropogenic impact on the beach evolution is taken into consideration. It is ascertained that construction of coastal protection structures at the northern part of the beach in 80’s resulted in cessation of natural beach area growth. The strengthen of a breakwater in the main port and illegal building also contributed to considerable coast recession and beach volume reducing. Because of this a recreational potential of the Central beach is gradually decreasing. New method named “cross-shore sediment bypassing” is suggested to reduce the negative trend.
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Veliko Z, Dachev, et Dachev Veliko Z. « EVOLUTION OF SANDY BEACH IN THE CITY OF VARNA ». Dans Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b43156b38b0.

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The article represents a retrospective review of long time research of genesis and development of the Central beach in the City of Varna which makes possible a forecast of its further development. Both natural and anthropogenic impact on the beach evolution is taken into consideration. It is ascertained that construction of coastal protection structures at the northern part of the beach in 80’s resulted in cessation of natural beach area growth. The strengthen of a breakwater in the main port and illegal building also contributed to considerable coast recession and beach volume reducing. Because of this a recreational potential of the Central beach is gradually decreasing. New method named “cross-shore sediment bypassing” is suggested to reduce the negative trend.
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Babakov, Alexander, Alexander Babakov, Boris Chubarenko et Boris Chubarenko. « SEDIMENT TRANSPORT NEAR THE VISTULA SPIT (BALTIC SEA) ». Dans Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93751e4b25.42106675.

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The Vistula Spit is a sandy elongated barrier form which borders the Vistula Lagoon from the Baltic Sea. The evolution of the spit as well as nowadays sediment transport along the marine shore of it are still under discussion, especially due to existing of entrance jetties bordered the Strait of Baltiysk, the single inlet to the Vistula Lagoon, and advanced up to 10 m depth seaward. Different hypothesizes about ether uniform transport from north to south or contrary directed fluxes with convergence at various points at the spit shore are discussed. Most of them are based on fact of accumulation of sandy material just to north from the northern entrance jetty as in incoming corner. Basing on statistics of near-surface wind, direct measurements of currents and analysis of direction of the scour hole located between jetties the paper confirms the existence of two opposite fluxes - one brings alluvium from the Vistula River mouth to north as main winds blow from south-west and west, and, in contrast, another one brings material obtained by erosion of the western shore of the Sambian Peninsula to south. Dynamic equilibrium between these fluxes through hundreds of years resulted in formation of present shape of the coastline, and it is expected that the area of the equilibrium in alongshore migrations is in the top of the Yantarny- Baltiysk concave. Appearance of entrance jetties of the Vistula Lagoon inlet, in the area where opposite alongshore migration of material are nearly equalised, leaded to the accretion-erosion pattern, which is pseudo equal to sediment transport from north to south. In fact the accumulation of sand just to north from the northern entrance jetty and erosion to south from southern jetty may be explained by mechanism, when the sand transported in the incoming corner just near the northern mole by southward migrations is excluded from migratory movement and deposited in the zone shadowed by jetties (from northward migrations). Erosion to south of jetties is explained by wind surges in incoming corner for prevailing western winds.
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Babakov, Alexander, Alexander Babakov, Boris Chubarenko et Boris Chubarenko. « SEDIMENT TRANSPORT NEAR THE VISTULA SPIT (BALTIC SEA) ». Dans Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315e36e45.

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The Vistula Spit is a sandy elongated barrier form which borders the Vistula Lagoon from the Baltic Sea. The evolution of the spit as well as nowadays sediment transport along the marine shore of it are still under discussion, especially due to existing of entrance jetties bordered the Strait of Baltiysk, the single inlet to the Vistula Lagoon, and advanced up to 10 m depth seaward. Different hypothesizes about ether uniform transport from north to south or contrary directed fluxes with convergence at various points at the spit shore are discussed. Most of them are based on fact of accumulation of sandy material just to north from the northern entrance jetty as in incoming corner. Basing on statistics of near-surface wind, direct measurements of currents and analysis of direction of the scour hole located between jetties the paper confirms the existence of two opposite fluxes - one brings alluvium from the Vistula River mouth to north as main winds blow from south-west and west, and, in contrast, another one brings material obtained by erosion of the western shore of the Sambian Peninsula to south. Dynamic equilibrium between these fluxes through hundreds of years resulted in formation of present shape of the coastline, and it is expected that the area of the equilibrium in alongshore migrations is in the top of the Yantarny- Baltiysk concave. Appearance of entrance jetties of the Vistula Lagoon inlet, in the area where opposite alongshore migration of material are nearly equalised, leaded to the accretion-erosion pattern, which is pseudo equal to sediment transport from north to south. In fact the accumulation of sand just to north from the northern entrance jetty and erosion to south from southern jetty may be explained by mechanism, when the sand transported in the incoming corner just near the northern mole by southward migrations is excluded from migratory movement and deposited in the zone shadowed by jetties (from northward migrations). Erosion to south of jetties is explained by wind surges in incoming corner for prevailing western winds.
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Vecchiotti, Andrea, Teresa J. Ryan, Faith Cobb, Nia Wilson, Joseph F. Vignola et Diego Turo. « Acoustic modeling of a sandy beach for atmospheric sound propagation in a near-shore environment ». Dans 179th Meeting of the Acoustical Society of America. ASA, 2020. http://dx.doi.org/10.1121/2.0001356.

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CARTIER, ADRIEN, et ARNAUD HEQUETTE. « ESTIMATION OF LONGSHORE AND CROSS-SHORE SEDIMENT TRANSPORT ON SANDY MACROTIDAL BEACHES OF NORTHERN FRANCE ». Dans The Proceedings of the Coastal Sediments 2011. World Scientific Publishing Company, 2011. http://dx.doi.org/10.1142/9789814355537_0160.

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Neelamani, S., Bassam N. Shuhaibar, Khaled Al-Salem, Yousef Al-Osairi, Qusaie E. Karam, Dana Al-Houti et Noor Al-Anjari. « Coastal Engineering Analysis, Field Measurements, Numerical Modeling and Design for the Optimized Extension of the Beach in Ras Al-Ardh Area, Salmiya, Kuwait ». Dans ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95236.

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Abstract Maintaining and retaining a quality sandy beach is a primary requirement for attracting people and tourists in any coastal country. Tourism Enterprises Company (TEC) in Kuwait owns 230 m long sandy beach in Ras Al-Ardh Sea Club, Salmiya, Kuwait. The beach has been eroding because of strong hydrodynamics forces from waves and currents. TEC wants to develop a stable sandy beach of 30 m wide. Kuwait Institute for Scientific Research (KISR), Kuwait is assigned to carry out the required scientific studies. In order to make sure a stable quality beach will exist, KISR has carried out the needed studies, which involves the field measurements such as bbathymetry survey, current and tidal variations, physical characteristics of beach soil, beach and sea bed profile, establishing the design parameters such as waves, currents, tide and wind. Hydrodynamic model study using DELFT3D model for the present and for the proposed extended groin conditions with beach nourishment were carried out. Also numerical modeling using GENESIS model to understand the future shore line changes due to the proposed development was carried out. Design of Groins to estimate the weight of armor units and weight of inner layers were carried out. The particle size and quantity of sand needed for reclamation of 30 m wide beach was estimated. Based on the study, it is recommended that the sandy soil to be used for 30 m wide beach nourishment should have D50 greater than 0.42 mm (say 0.5 mm) and D10 greater than 0.25 mm. The borrow pit much be selected by keeping this soil characters in mind. It is recommended to use a submerged offshore breakwater in order to retain the beach sand in place and for reducing the maintenance nourishment. Otherwise, large quantity of the capital nourished beach sand will escape into the deeper water due to strong current coupled with waves and steep seabed slopes. Environmental Impact Study was carried out as per Kuwait Environment Public Authority requirements to bring out the impacts due to beach filling and the construction submerged offshore barrier and extension of east groin for a distance of 30 m. TEC will implement the recommendations for developing the beach in Ras Al-Ardh sea club and will be useful to attract more people to use this beach.
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Kopp, Megan, et Noah Snyder. « TIME-SERIES ANALYSIS OF GEOMORPHIC CHANGE ON THE SANDY POND SPIT, EASTERN SHORE OF LAKE ONTARIO, NEW YORK ». Dans Northeastern Section-56th Annual Meeting-2021. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021ne-361697.

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Rapports d'organisations sur le sujet "Sandy Shore"

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Jansson, Anna, Arun Heer, Suzana Rice, Frank Buonaiuto, Danielle Tommaso, Lynn Bocamazo, Stephen Couch et Jodi McDonald. South Shore of Long Island, New York Regional Sediment Management Investigation : an overview of challenges and opportunities. Engineer Research and Development Center (U.S.), avril 2022. http://dx.doi.org/10.21079/11681/43920.

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The US Army Corps of Engineers (USACE) is conducting the “South Shore of Long Island, New York Regional Sediment Management Investigation” to further understand sediment dynamics and to develop a comprehensive regional sediment management plan for the south shore of Long Island, New York. Regional sediment management is a systems approach using best management practices for more efficient and effective use of sediments in coastal, estuarine, and inland environments. This investigation seeks to characterize sediment movement on the south shore of Long Island as a holistic system across the entire study area. It focuses on the regional system post-Hurricane Sandy (October 2012) as the storm significantly altered the physical landscape with severe shoreline erosion, which resulted in the construction of projects to reduce the risk of future storms and stakeholder priorities with a new emphasis on bay-side sediment dynamics, such as channel shoaling and disappearing wetlands. Despite the fact the storm caused severe erosion, the equilibrium beach profile, depth of closure, and general shoreline orientation seem to be unaffected. Previous studies have characterized sediment movement at specific sections of the south shore, but these data have not been incorporated to create a system-wide perspective. Coordinating sediment management across the six Atlantic Ocean inlets, Great South Bay Channel, Intracoastal Waterway, and coastal storm risk management (CSRM) projects could save the federal government millions of dollars in dredging and sand placement actions. This technical note presents the progress the investigation has made to date and will be followed with a more in-depth technical report titled South Shore of Long Island, New York Regional Sediment Management Investigation: A Post-Hurricane Sandy Shoreline Evaluation, currently in preparation.
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Biehn, Carrie A. An Investigation of the Adsorption and Desorption Capacities of Bojac Sandy Loam Soil from the Eastern Shore of Virginia. Fort Belvoir, VA : Defense Technical Information Center, août 1999. http://dx.doi.org/10.21236/ada374203.

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Chenot P.E., David W. Round Mountain Field, Short Radius Lateral Drilling in the Vedder Sand Round Mountain Field, California. Office of Scientific and Technical Information (OSTI), mars 2002. http://dx.doi.org/10.2172/808643.

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Nasser, Abidelfatah, Charles Gerba, Badri Fattal, Tian-Chyi Yeh et Uri Mingelgrin. Biocolloids Transport to Groundwater. United States Department of Agriculture, décembre 1997. http://dx.doi.org/10.32747/1997.7695834.bard.

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The first phase of the study was designed to determine the adsorption rate of viruses and microspheres to sandy and loamy soils and determine the adsorption efficiency of various viruses to soil. The adsorption of viruses to sandy and loamy soils has been found virus type dependent. The poorest adsorption was observed for MS2 bacteriophage while the greatest adsorption was observed for PRD-1. Adsorption sites on the soil material were not found as limiting factors for adsorption of viruses on soil material. The effect of water quality on adsorption has been found as virus type dependent. The adsorption process of microspheres to soil material has been found to be similar to that of viruses and occurs within a very short period of time. Carboxylated (negatively charged) microspheres seems to adsorb more efficiently than plain microspheres to soil material. At low temperatures (10oC), and under saturated conditions no virus die-off was observed, therefore under these conditions virus can survive for long period of time. At 23oC, and saturated conditions, the greatest die-off was observed for MS2 bacteriophage, whereas, negligible die-off was for PRD-1 bacteriophage and hepatitis A virus. Considering the survival results MS2 bacteriophages is not suitable as indicator for pathogenic viruses persistence in soil material. Furthermore, temperature, is more important than any other factor for the inactivation of viruses.
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Montalvo-Bartolomei, Axel, Bryant Robbins et Jamie López-Soto. Backward erosion progression rates from small-scale flume tests. Engineer Research and Development Center (U.S.), septembre 2021. http://dx.doi.org/10.21079/11681/42135.

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Backward erosion piping (BEP) is an internal erosion mechanism by which erosion channels progress upstream, typically through cohesionless or highly erodible foundation materials of dams and levees. As one of the primary causes of embankment failures, usually during high pool events, the probability of BEP-induced failure is commonly evaluated by the U.S. Army Corps of Engineers for existing dams and levees. In current practice, BEP failure probability is quantitatively assessed assuming steady state conditions with qualitative adjustments for temporal aspects of the process. In cases with short-term hydraulic loads, the progression rate of the erosion pipe may control the failure probability such that more quantitative treatment of the temporal development of erosion is necessary to arrive at meaningful probabilities of failure. This report builds upon the current state of the practice by investigating BEP progression rates through a series of laboratory experiments. BEP progression rates were measured for nine uniform sands in a series of 55 small-scale flume tests. Results indicate that the pipe progression rates are proportional to the seepage velocity and can be predicted using equations recently proposed in the literature.
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Lamontagne, M. Macroseismic information for the 1935 moment magnitude 6.1 earthquake, near Témiscamingue, Quebec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329136.

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The November 1st, 1935, Témiscaming earthquake occurred within 20 km of the town of Témiscaming, Quebec. This earthquake was felt west to Fort William (now part of Thunder Bay), Ontario, east to Saint John, New Brunswick, and south to Kentucky and Virginia. Damaged chimneys were reported in Témiscaming, Quebec, and North Bay and Mattawa, Ontario. In the epicentral region, rockfalls were observed as well as cracks in gravel and sand along the shores of islands and lakes. Some 350 km away from the epicentre, near Parent, Quebec, earthquake vibrations triggered a 30 metre slide of railroad embankment. Numerous aftershocks were felt in Témiscaming and Kipawa during the following months, the largest rated as magnitude ML 5.4 (or mN 4.9). For the main shock and its largest aftershock, this Open File Report provides the available macroseismic information interpreted on the Modified Mercalli Intensity Scale using newspaper accounts as the main source of information for Canada. Macroseismic information from total of 126 localities in Canada and nearly 900 communities in the US (from the NOAA database of intensities) are tabulated in a Microsoft Excel spreadsheet. When available, newspaper clippings are included, together with some original damage accounts, photographs and scientific reports. The Open File also includes a Google Earth kmz file that allows the felt information reports to be viewed in a spatial tool.
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Qamhia, Issam, Erol Tutumluer et Han Wang. Aggregate Subgrade Improvements Using Quarry By-products : A Field Investigation. Illinois Center for Transportation, juin 2021. http://dx.doi.org/10.36501/0197-9191/21-017.

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This report presents a case study for constructing aggregate subgrade improvement (ASI) layers using quarry by-product aggregates (QBA), a quarry mix of large primary crushed rocks (PCR) and sand-sized quarry fines. The construction took place at Larry Power Road in Bourbonnais Township in Kankakee County, Illinois, where the Illinois Department of Transportation placed two QBA mixes. The first mix (QBA_M1) consisted of 45% quarry by-products and 55% railroad ballast–sized 3×1 PCR. The second mix (QBA_M2) consisted of 31% and 69% quarry by-products and PCR, respectively. Two conventional ASI sections were also constructed conforming to Illinois Department of Transportation’s CS02 gradation. All sections consisted of a 9 in. (229 mm) QBA/PCR layer topped with a 3 in. (76 mm) dense-graded capping layer. Laboratory studies preceded the construction to recommend optimum quarry by-product content in the QBA materials and construction practice. The Illinois Center for Transportation research team monitored the quality and uniformity of the construction using nondestructive testing techniques such as dynamic cone penetrometer, lightweight deflectometer, and falling weight deflectometer. The segregation potential was monitored by visual inspection and imaging-based techniques. Short-term field evaluation of the constructed QBA layers, particularly QBA_M2 with a 31% quarry by-product content, showed no evidence of abnormal segregation and did not jeopardize the structural integrity of the QBA ASI layers, which had slightly lower but comparable strength and stiffness profiles to the conventional ASI sections. The use of QBA materials in ASI was field validated as a sustainable construction practice to provide stable pavement foundation layers.
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Rosse, Anine. Stream channel monitoring for Wind Cave National Park 2021 Data report. National Park Service, janvier 2023. http://dx.doi.org/10.36967/2296623.

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The Northern Great Plains Inventory and Monitoring Network (NGPN) began stream channel monitoring in Highland Creek at Wind Cave National Park (WICA) in 2021. This data report summarizes the data collected during the 2021 season pertaining to watershed, reach, and physical habitat. After data are collected for at least four cycles, trends may be reported. This report covers three main areas: 1) Reporting on upland channel characteristics data that may affect habitat such as: land cover, drainage area, and total stream length; 2) Reporting of geomorphic dimensions such as: channel widths, bank angles, vegetative cover, reach slope, measures of bank stability; and 3) Determining physical habitat characteristics such as: size and distribution of bed sediment, large woody debris, and canopy cover. Indices, benchmarks, and other studies are provided in the table for informational purposes to help put Highland Creek’s measurements in context but should not be considered as a reference condition. Upland characteristics of the watershed indicate high natural land use cover (forest, grassland, and shrubland) with little development in the area. Reach characteristics include bank cover, heights, bank stability index, and vegetative cover. In addition to animal-induced erosion of the banks, bank sloughing and widening are occurring. Angles are steep, and there are some sandy banks that are unstable. When plots are revisited in three years, there will be greater understanding of the processes at play and the condition of the stream. Physical characteristics include median particle size, percentage fine substrate, geomorphic units, and canopy cover. Gravel substrate still covers much of the stream; there are wide meanders in the stream bed; and a variety of geomorphic channel units (pool, riffle, run) occur in the creek all of which are indicators of healthy habitat. While there is an absence of large woody debris and canopy cover is low, many grassland streams in good condition can have similar characteristics. More data are needed to fully assess those components and determine a suitable reference condition that can be used to later assess the status and trends of Highland Creek. The reach data contained in this report are specific to a short 150-m segment of Highland Creek and cannot be extrapolated to conditions elsewhere in the creek or to the park in general. Bank erosion and bank instability were observed along the majority of transects at site WICA SCM 001.
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Or, Dani, Shmulik Friedman et Jeanette Norton. Physical processes affecting microbial habitats and activity in unsaturated agricultural soils. United States Department of Agriculture, octobre 2002. http://dx.doi.org/10.32747/2002.7587239.bard.

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experimental methods for quantifying effects of water content and other dynamic environmental factors on bacterial growth in partially-saturated soils. Towards this end we reviewed critically the relevant scientific literature and performed theoretical and experimental studies of bacterial growth and activity in modeled, idealized and real unsaturated soils. The natural wetting-drying cycles common to agricultural soils affect water content and liquid organization resulting in fragmentation of aquatic habitats and limit hydraulic connections. Consequently, substrate diffusion pathways to soil microbial communities become limiting and reduce nutrient fluxes, microbial growth, and mobility. Key elements that govern the extent and manifestation of such ubiquitous interactions include characteristics of diffusion pathways and pore space, the timing, duration, and extent of environmental perturbations, the nature of microbiological adjustments (short-term and longterm), and spatial distribution and properties of EPS clusters (microcolonies). Of these key elements we have chosen to focus on a manageable subset namely on modeling microbial growth and coexistence on simple rough surfaces, and experiments on bacterial growth in variably saturated sand samples and columns. Our extensive review paper providing a definitive “snap-shot” of present scientific understanding of microbial behavior in unsaturated soils revealed a lack of modeling tools that are essential for enhanced predictability of microbial processes in soils. We therefore embarked on two pronged approach of development of simple microbial growth models based on diffusion-reaction principles to incorporate key controls for microbial activity in soils such as diffusion coefficients and temporal variations in soil water content (and related substrate diffusion rates), and development of new methodologies in support of experiments on microbial growth in simple and observable porous media under controlled water status conditions. Experimental efforts led to a series of microbial growth experiments in granular media under variable saturation and ambient conditions, and introduction of atomic force microscopy (AFM) and confocal scanning laser microscopy (CSLM) to study cell size, morphology and multi-cell arrangement at a high resolution from growth experiments in various porous media. The modeling efforts elucidated important links between unsaturated conditions and microbial coexistence which is believed to support the unparallel diversity found in soils. We examined the role of spatial and temporal variation in hydration conditions (such as exist in agricultural soils) on local growth rates and on interactions between two competing microbial species. Interestingly, the complexity of soil spaces and aquatic niches are necessary for supporting a rich microbial diversity and the wide array of microbial functions in unsaturated soils. This project supported collaboration between soil physicists and soil microbiologist that is absolutely essential for making progress in both disciplines. It provided a few basic tools (models, parameterization) for guiding future experiments and for gathering key information necessary for prediction of biological processes in agricultural soils. The project sparked a series of ongoing studies (at DTU and EPFL and in the ARO) into effects of soil hydration dynamics on microbial survival strategy under short term and prolonged desiccation (important for general scientific and agricultural applications).
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