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Artykuły w czasopismach na temat „Intermittently closed and open lake or lagoon”

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Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lutego 2023

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1

Spooner, D. R., i W. Maher. "Benthic sediment composition and nutrient cycling in an Intermittently Closed and Open Lake Lagoon". Journal of Marine Systems 75, nr 1-2 (styczeń 2009): 33–45. http://dx.doi.org/10.1016/j.jmarsys.2008.07.005.

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Arshad, Bilal, Johan Barthelemy i Pascal Perez. "Autonomous Lidar-Based Monitoring of Coastal Lagoon Entrances". Remote Sensing 13, nr 7 (30.03.2021): 1320. http://dx.doi.org/10.3390/rs13071320.

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Intermittently closed and open lakes or Lagoons (ICOLLs) are characterised by entrance barriers that form or break down due to the action of wind, waves and currents until the ocean-lagoon exchange becomes discontinuous. Entrance closure raises a variety of management issues that are regulated by monitoring. In this paper, those issues are investigated, and an automated sensor solution is proposed. Based upon a static Lidar paired with an edge computing device. This solar-powered remote sensing device provides an efficient way to automatically survey the lagoon entrance and estimate the berm profile. Additionally, it estimates the dry notch location and its height, critical factors in the management of the lagoon entrances. Generated data provide valuable insights into landscape evolution and berm behaviour during natural and mechanical breach events.

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3

Strotz, Luke C. "Spatial patterns and diversity of foraminifera from an intermittently closed and open lagoon, Smiths Lake, Australia". Estuarine, Coastal and Shelf Science 164 (październik 2015): 340–52. http://dx.doi.org/10.1016/j.ecss.2015.07.048.

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4

Everett, Jason D., Mark E. Baird i Iain M. Suthers. "Nutrient and plankton dynamics in an intermittently closed/open lagoon, Smiths Lake, south-eastern Australia: An ecological model". Estuarine, Coastal and Shelf Science 72, nr 4 (maj 2007): 690–702. http://dx.doi.org/10.1016/j.ecss.2006.12.001.

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5

Suara, Kabir, Neda Mardani, Helen Fairweather, Adrian McCallum, Chris Allan, Roy Sidle i Richard Brown. "Observation of the Dynamics and Horizontal Dispersion in a Shallow Intermittently Closed and Open Lake and Lagoon (ICOLL)". Water 10, nr 6 (13.06.2018): 776. http://dx.doi.org/10.3390/w10060776.

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6

Crawshaw, Josie A., Marc Schallenberg i Candida Savage. "Physical and biological drivers of sediment oxygenation and denitrification in a New Zealand intermittently closed and open lake lagoon". New Zealand Journal of Marine and Freshwater Research 53, nr 1 (3.06.2018): 33–59. http://dx.doi.org/10.1080/00288330.2018.1476388.

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7

Mardani, Neda, Kabir Suara, Helen Fairweather, Richard Brown, Adrian McCallum i Roy C. Sidle. "Improving the Accuracy of Hydrodynamic Model Predictions Using Lagrangian Calibration". Water 12, nr 2 (20.02.2020): 575. http://dx.doi.org/10.3390/w12020575.

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While significant studies have been conducted in Intermittently Closed and Open Lakes and Lagoons (ICOLLs), very few have employed Lagrangian drifters. With recent attention on the use of GPS-tracked Lagrangian drifters to study the hydrodynamics of estuaries, there is a need to assess the potential for calibrating models using Lagrangian drifter data. Here, we calibrated and validated a hydrodynamic model in Currimundi Lake, Australia using both Eulerian and Lagrangian velocity field measurements in an open entrance condition. The results showed that there was a higher level of correlation (R2 = 0.94) between model output and observed velocity data for the Eulerian calibration compared to that of Lagrangian calibration (R2 = 0.56). This lack of correlation between model and Lagrangian data is a result of apparent difficulties in the use of Lagrangian data in Eulerian (fixed-mesh) hydrodynamic models. Furthermore, Eulerian and Lagrangian devices systematically observe different spatio-temporal scales in the flow with larger variability in the Lagrangian data. Despite these, the results show that Lagrangian calibration resulted in optimum Manning coefficients (n = 0.023) equivalent to those observed through Eulerian calibration. Therefore, Lagrangian data has the potential to be used in hydrodynamic model calibration in such aquatic systems.

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8

McSweeney, S. L., D. M. Kennedy, I. D. Rutherfurd i J. C. Stout. "Intermittently Closed/Open Lakes and Lagoons: Their global distribution and boundary conditions". Geomorphology 292 (wrzesień 2017): 142–52. http://dx.doi.org/10.1016/j.geomorph.2017.04.022.

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9

Dye, A. H. "Meiobenthos in intermittently open/closed coastal lakes in New South Wales: spatial and temporal patterns in densities of major taxa". Marine and Freshwater Research 56, nr 8 (2005): 1055. http://dx.doi.org/10.1071/mf05050.

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Intermittently open/closed coastal lakes and lagoons (ICOLLs) are common in Australia. Isolation from the sea makes them susceptible to nutrient enrichment and pollution and many are considered degraded. Understanding of their ecology and the effects of anthropogenic activity is limited. Many lakes are kept open artificially to improve water quality and mitigate the effects of floods. The present study examined the relationship between multivariate and univariate patterns in higher taxa of meiobenthos and compared their densities and distributions in naturally open and closed lakes with those in managed lakes. The degree of correspondence between multivariate and univariate patterns was taxon and locality dependent. Differences in densities between types of lakes was not related to physical factors. Within lakes, meiobenthos generally correlated negatively with salinity and organic content, but positively with silt. Densities reflected the degree of isolation from the sea, but the influence of this factor varied among lakes within categories and between taxa. Most taxa were less abundant in isolated localities, such as the inner reaches of lakes and in closed lakes. Meiobenthos were more spatially variable in closed and in managed lakes. The influence of frequency and duration of closure on the ecology of coastal lakes is discussed.

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10

McSweeney, SL, DM Kennedy i ID Rutherfurd. "A geomorphic classification of intermittently open/closed estuaries (IOCE) derived from estuaries in Victoria, Australia". Progress in Physical Geography: Earth and Environment 41, nr 4 (26.05.2017): 421–49. http://dx.doi.org/10.1177/0309133317709745.

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A large proportion of estuaries along microtidal wave-dominated coastlines worldwide have entrances that intermittently close to the ocean when tidal currents and fluvial discharge are insufficient to erode sediment delivered onshore by waves. In this study, these systems are termed “intermittently open/closed estuaries” (IOCE) in order to include all estuaries which intermittently close to the ocean. IOCE do not fit neatly into existing generalized estuary classification models and have been traditionally recognized as a single estuary type that constitute a rare subset of wave-dominated estuaries. In this study, 111 estuaries in Victoria, Australia, are used to develop a classification model that delineates between different IOCE types. This was undertaken using historic aerial imagery and quantification of the estuary channel width, catchment area, lagoon dimensions and tidal prism derived from remotely sensed data. Field surveying of entrance morphology was undertaken for a subsample of 35 IOCE characteristic of each section of the coast and which had detailed entrance condition records. Using this subset, IOCE were classified into three distinct types using multiple methods of statistical delineation (non-metric multidimensional scaling, hierarchical cluster analysis and distribution analysis). These three types are: (1) Type A, the largest IOCE which both close and open infrequently but for the longest durations; (2) Type B, medium sized IOCE which open and close several times per year for weekly to monthly durations; and (3) Type C (tidal creeks), the smallest IOCE located specifically in high rainfall, mountainous catchments and which exist in a predominantly open state. The three types of IOCE showed an order of magnitude difference in entrance closure duration as controlled by variations in the catchment area, tidal prism volume, dimensions of the estuarine lagoon and the entrance channel at the mouth. The classification is also applicable to wave-dominated coastlines internationally where IOCE are present.

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11

Morris, B. D., i I. L. Turner. "Morphodynamics of intermittently open–closed coastal lagoon entrances: New insights and a conceptual model". Marine Geology 271, nr 1-2 (maj 2010): 55–66. http://dx.doi.org/10.1016/j.margeo.2010.01.009.

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12

Filippini, Giulia, Ana B. Bugnot, Emma L. Johnston, Jason Ruszczyk, Jaimie Potts, Peter Scanes, Angus Ferguson, Martin Ostrowski, Deepa Varkey i Katherine A. Dafforn. "Sediment bacterial communities associated with environmental factors in Intermittently Closed and Open Lakes and Lagoons (ICOLLs)". Science of The Total Environment 693 (listopad 2019): 133462. http://dx.doi.org/10.1016/j.scitotenv.2019.07.268.

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13

Gale, Emma, Charitha Pattiaratchi i Roshanka Ranasinghe. "Vertical mixing processes in Intermittently Closed and Open Lakes and Lagoons, and the dissolved oxygen response". Estuarine, Coastal and Shelf Science 69, nr 1-2 (sierpień 2006): 205–16. http://dx.doi.org/10.1016/j.ecss.2006.04.013.

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14

Crawshaw, Josie A., Marc Schallenberg, Candida Savage i Robert Van Hale. "Hierarchy of factors controls denitrification rates in temperate intermittently closed and open coastal lakes/lagoons (ICOLLS)". Aquatic Ecology 53, nr 4 (28.08.2019): 719–44. http://dx.doi.org/10.1007/s10452-019-09721-4.

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15

Birch, G. F., J. H. Lee, T. Gunns i C. H. Besley. "Unusually high sedimentary metal concentrations in intermittently closed and open lakes and lagoons (ICOLLs) in the northern lagoons of Sydney (Australia)". Marine Pollution Bulletin 172 (listopad 2021): 112851. http://dx.doi.org/10.1016/j.marpolbul.2021.112851.

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16

Taddese, Fasil, Marc Schallenberg, Pavel Mikheev, Matt G. Jarvis i Gerard P. Closs. "Ichthyofaunal assemblages in shallow littoral habitats of permanently open estuaries and intermittently closed and open lakes or lagoons in Otago, New Zealand". Marine and Freshwater Research 69, nr 8 (2018): 1222. http://dx.doi.org/10.1071/mf17334.

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Fish assemblages of New Zealand estuaries are poorly studied, and knowledge of the effects of estuary–ocean connections on the ichthyofaunal composition of estuaries remains limited. Understanding the status of fish composition of estuaries is crucial for planning for sustainable management of aquatic ecosystems. In the present study we sampled fish using a seine net from lower reaches of six permanently open estuaries and six intermittently closed and open lakes or lagoons (ICOLLs) along the Otago coastline during winter 2016 and summer 2017. Marked differences in ichthyofaunal composition were observed in the shallow littoral habitats of permanently open estuaries and ICOLLs. Fish assemblages reflected estuary–ocean connection status of estuaries during both seasons. ICOLLs showed greater fish abundance than permanently open systems. Fish abundance was higher in summer than in winter in both estuary types. Fish species with marine–estuarine opportunist and estuarine–migrant life histories dominated permanently open estuaries. Conversely, species with a diadromous life history but known to form landlocked populations were abundant in ICOLLs. Salinity and temperature were correlated with fish abundance in both estuary types.

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17

Sadat-Noori, Mahmood, Isaac R. Santos, Douglas R. Tait, Ashly McMahon, Sean Kadel i Damien T. Maher. "Intermittently Closed and Open Lakes and/or Lagoons (ICOLLs) as groundwater-dominated coastal systems: Evidence from seasonal radon observations". Journal of Hydrology 535 (kwiecień 2016): 612–24. http://dx.doi.org/10.1016/j.jhydrol.2016.01.080.

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18

Qu, Wenchuan, R. J. Morrison i R. J. West. "Nitrogen cycling processes in Lake Illawarra, an intermittently closed/open estuary in south-east Australia". Wetlands Australia 21, nr 2 (28.02.2006): 288. http://dx.doi.org/10.31646/wa.278.

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19

Machado, Irene, Lorena Rodríguez-Gallego, Carolina Lescano i Danilo Calliari. "Species-specific traits and the environment drive ichthyoplankton fluxes between an intermittently closed-open lagoon and adjacent coastal waters". Estuarine, Coastal and Shelf Science 261 (październik 2021): 107549. http://dx.doi.org/10.1016/j.ecss.2021.107549.

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20

Polidorou, Miltiadis, Niki Evelpidou, Theodora Tsourou, Hara Drinia, Ferréol Salomon i Lucy Blue. "Observations on Palaeogeographical Evolution of Akrotiri Salt Lake, Lemesos, Cyprus". Geosciences 11, nr 8 (30.07.2021): 321. http://dx.doi.org/10.3390/geosciences11080321.

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Akrotiri Salt Lake is located 5 km west of the city of Lemesos in the southernmost part of the island of Cyprus. The evolution of the Akrotiri Salt Lake is of great scientific interest, occurring during the Holocene when eustatic and isostatic movements combined with local active tectonics and climate change developed a unique geomorphological environment. The Salt Lake today is a closed lagoon, which is depicted in Venetian maps as being connected to the sea, provides evidence of the geological setting and landscape evolution of the area. In this study, for the first time, we investigated the development of the Akrotiri Salt Lake through a series of three cores which penetrated the Holocene sediment sequence. Sedimentological and micropaleontological analyses, as well as geochronological studies were performed on the deposited sediments, identifying the complexity of the evolution of the Salt Lake and the progressive change of the area from a maritime space to an open bay and finally to a closed salt lake.

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21

Becker, Alistair, Michael B. Lowry i Matthew D. Taylor. "Scales of spatial and temporal variation of small bodied nekton within intermittently closed/open lakes and lagoons (ICOLLs) in south-eastern Australia". Regional Studies in Marine Science 33 (styczeń 2020): 100936. http://dx.doi.org/10.1016/j.rsma.2019.100936.

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22

D’Orefice, Maurizio, Piero Bellotti, Adele Bertini, Gilberto Calderoni, Paolo Censi Neri, Letizia Di Bella, Domenico Fiorenza i in. "Holocene Evolution of the Burano Paleo-Lagoon (Southern Tuscany, Italy)". Water 12, nr 4 (1.04.2020): 1007. http://dx.doi.org/10.3390/w12041007.

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The study of Burano paleo-lagoon—Wetland of International Value, has allowed us to better define and extend the reconstruction of the Holocene paleoenvironmental evolution of the paleo-lagoons previously studied, located on the Tyrrhenian coast in central Italy. The investigated area is located in Southern Tuscany near the Burano Lake. The area was investigated by means of field surveys, historical maps, 16 coring, sedimentological, palynological and microfaunal analyses (foraminifera and ostracods), combined with robust geochronological control provided by 52 datings (14C and OSL). The study allowed us to reconstruct the environmental and morphological evolution of the Burano paleo-lagoon during the last 8000 years and to hypothesize a Rise Sea Level (RSL) curve. In this context, 5 main evolutionary phases have been recognized. (1) before 7.5 ka BP in the southern-eastern part, an open lagoon developed; (2) ~6 ka BP a barrier-lagoon system develops throughout the entire area and the lagoon progressively changed from open to closed one; (3) ~5 ka BP the width of the lagoon increases and a lacustrine facies appears along the entire axis of the coastal basin; (4) ~4 ka BP the lacustrine facies shows a discontinuous distribution respect to the previous phase; (5) during the last 4 ka the lacustrine facies disappear and the lagoon turns into a wetland area.

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Столяров, Андрей Павлович. "Lagoon ecosystems: peculiarities of the species, spatial and trophic structure of macrobenthos (Kandalaksha bay, White sea)". Herald of Tver State University. Series: Biology and Ecology, nr 3(63) (27.12.2021): 53–69. http://dx.doi.org/10.26456/vtbio211.

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Изучены видовое разнообразие, пространственная и трофическая структура макробентосных сообществ сублиторали и нижних горизонтов литорали в 5-ти лагунных экосистемах Кандалакшского залива Белого моря. Всего в исследованных экосистемах было обнаружено 52 вида бентосных беспозвоночных животных и 6 видов морских трав и водорослей. В сублиторали наибольшим видовым разнообразием, общей плотностью и биомассой макробентоса характеризуется наиболее открытая к морю лагуна, расположенная на выходе из кутовой области Кислой губы, а наименьшим - наиболее закрытая и заиленная лагуна Никольской губы, где преобладали солоноватоводные и морские эвригалинные виды. Промежуточное положение занимали лагуна Ермолинской губы, лагуна, расположенная рядом с Ершовским озером и лагуна на Зеленом мысу. В нижней литорали общие показатели структуры сообщества макробентоса (общая плотность, биомасса и в меньшей степени видовое разнообразие) в отличие от сублиторали увеличивались от менее зарегулированных и открытых экосистем к более закрытым системам. Исключением является лагуна Никольской губы, значительное заиление которой приводит к существенному уменьшению видового разнообразия и снижению общей плотности и биомассы сообщества макробентоса. The species diversity, spatial and trophic structure of macrobenthos communities in the sublittoral and lower littoral horizons in five lagoon ecosystems of the Kandalaksha Bay of the White Sea have been studied. In total, 52 species of benthic invertebrates and 6 species of sea grasses and algae were found in the studied ecosystems. In the sublittoral zone, the highest species diversity, total density and biomass of macrobenthos is characterized by the lagoon most open to the sea, located at the exit from the innermost area of Kislaya Bay. The lowest diversity is found in the most closed and silted lagoon of Nikolskaya Bay, where brackish water and marine euryhaline species predominated. The lagoon of the Ermolinskaya Bay, the lagoon located next to the Ershov Lake and the lagoon on Cape Verde hold an intermediate position. In the lower littoral zone, the general indicators of the structure of the macrobenthos community (total density, biomass, and, to a lesser extent, species diversity), in contrast to the sublittoral one, increased from less regulated and open ecosystems to more closed systems. An exception is the lagoon of Nikolskaya Bay, the significant siltation of which leads to a significant decrease in species diversity and a decrease in the total density and biomass of the macrobenthos community.

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24

Menon, A. G. K., i K. Raman. "ECOLOGY OF SOME MARINE LAGOONS ALONG THE EAST-COAST OF INDIA WITH SPECIAL REFERENCE TO THE MANAGEMENT AND UTILISATION OF THEIR RESOURCES". Marine Research in Indonesia 20 (10.05.2018): 131–38. http://dx.doi.org/10.14203/mri.v20i0.387.

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The marine lagoons along the east coast of India such as the Chilka-lake in Orissa State, the Pulicat and the Ennore lakes near Madras, Silvatturai lagoon in Tuticorin, and the Mandapam lagoon in Ramanathapuram are shallow, vast sheets of saline water whose physical and chemical characteristics are quite different from the backwaters of the west coast and constitute distinct categories of biological environment. The main characteristic feature of these lagoons is that they are connected to the sea by a narrow mouth which is closed by a sand bar for varying periods of the year. One or more seasonal rivers open into some of these lagoons and flood them during the monsoon. The land run-off during monsoon is the only source of freshwater for others. The bar-mouth connection with the sea is opened by the thrust of the flood waters aided in some cases by human effort. This opening operates for a few months between November — December and June - July or throughout during some years following heavy monsoon. The closure occurs by general silting and formation of a sand bar.

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Nandhini Abirami, R., P. M. Durai Raj Vincent, Kathiravan Srinivasan, Usman Tariq i Chuan-Yu Chang. "Deep CNN and Deep GAN in Computational Visual Perception-Driven Image Analysis". Complexity 2021 (15.04.2021): 1–30. http://dx.doi.org/10.1155/2021/5541134.

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Computational visual perception, also known as computer vision, is a field of artificial intelligence that enables computers to process digital images and videos in a similar way as biological vision does. It involves methods to be developed to replicate the capabilities of biological vision. The computer vision’s goal is to surpass the capabilities of biological vision in extracting useful information from visual data. The massive data generated today is one of the driving factors for the tremendous growth of computer vision. This survey incorporates an overview of existing applications of deep learning in computational visual perception. The survey explores various deep learning techniques adapted to solve computer vision problems using deep convolutional neural networks and deep generative adversarial networks. The pitfalls of deep learning and their solutions are briefly discussed. The solutions discussed were dropout and augmentation. The results show that there is a significant improvement in the accuracy using dropout and data augmentation. Deep convolutional neural networks’ applications, namely, image classification, localization and detection, document analysis, and speech recognition, are discussed in detail. In-depth analysis of deep generative adversarial network applications, namely, image-to-image translation, image denoising, face aging, and facial attribute editing, is done. The deep generative adversarial network is unsupervised learning, but adding a certain number of labels in practical applications can improve its generating ability. However, it is challenging to acquire many data labels, but a small number of data labels can be acquired. Therefore, combining semisupervised learning and generative adversarial networks is one of the future directions. This article surveys the recent developments in this direction and provides a critical review of the related significant aspects, investigates the current opportunities and future challenges in all the emerging domains, and discusses the current opportunities in many emerging fields such as handwriting recognition, semantic mapping, webcam-based eye trackers, lumen center detection, query-by-string word, intermittently closed and open lakes and lagoons, and landslides.

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"Heavy metals risk assessment in water and bottom sediments of ICOLLs in Northern Poland". Global NEST: the international Journal, 26.09.2018. http://dx.doi.org/10.30955/gnj.002634.

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<p>Natural diversity of intermittently closed and open lakes and lagoons (ICOLLs) depends on mutual interactions of several factors: (i) an impact of sea water and land background; (ii) temporary meteorological situation; (iii) hydrological conditions; and (iv) the shape of lake basin. However, some regional, local or even sudden impacts including anthropogenic ones create their final ecological status. To identify heavy metals risk assessment in ICOLLs located in Polish coastline wide range of them were determined in water and bottom sediment samples collected in 10 water reservoirs. Multidimensional data set of 20 variables was explored by the use of chemometrics according to seasonality (Spring, Summer, Autumn), sample type (water, sediment) and level of isolation (fully isolated, partially and fully connected lakes). The results showed that 70.5% and 77% of the data variance can be explained by the use of principal component analysis for waters and sediments, respectively. Waters of fully isolated or partially connected lakes are more abundant with Ir, Nd and Sm, while less abundant with Pr and Sr. Bottom sediments taken from Jamno lake show significant contamination by heavy metals of the highest environmental concern (Al, Cr, Cu, Ni, Ti and Zn).</p>

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27

Mayjor, Maddison, Amanda J. Reichelt-Brushett, Hamish A. Malcolm i Andrew Page. "Water quality fluctuations in small intermittently closed and open lakes and lagoons (ICOLLs) after natural and artificial openings". Estuarine, Coastal and Shelf Science, grudzień 2022, 108208. http://dx.doi.org/10.1016/j.ecss.2022.108208.

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Harvey, Madeleine E., Sarah N. Giddings, Geno Pawlak i Jeffrey A. Crooks. "Hydrodynamic Variability of an Intermittently Closed Estuary over Interannual, Seasonal, Fortnightly, and Tidal Timescales". Estuaries and Coasts, 20.09.2022. http://dx.doi.org/10.1007/s12237-021-01014-0.

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AbstractSmall low-inflow intermittently closed estuaries are common in Mediterranean climates worldwide; however, despite their important contributions to ecosystem services and coastal resilience, their dynamics have been less well studied relative to classical (i.e., deeper, persistent freshwater inflow) estuaries. It is known that infragravity wave propagation into these estuaries can induce strong currents and that closures lead to stagnating flows and declining water quality; however, how the estuarine circulation (tidal and subtidal) dynamically drives and responds to these conditions remains largely unknown. Here we analyze over 4 years of hydrodynamic observations in Los Peñasquitos Lagoon, a low-inflow, intermittently closed estuary in Southern California, to examine wave propagation into the estuary, sill accretion, and the estuarine circulation response over tidal, fortnightly, seasonal, and interannual time scales, providing an unprecedented view as to how these systems respond to changing forcing. Wave observations near the estuary inlet show that wave energy inside the inlet, which contributes to sill accretion, is dependent on water level relative to the sill height and has a tidal variation due to wave-current interactions. Tidal phase averages of conditions during open, pre-closure, spring, neap, and closed conditions highlight the large dynamic range that these estuaries experience. During open, low sill conditions, circulation and stratification are consistent with stratification-induced periodic straining and subtidal exchange varies with the fortnightly cycle as observed in many classical estuaries. However, as the sill grows, tidal circulation weakens and becomes strongly sheared and the subtidal exchange no longer scales with a classical theoretical pressure-friction balance.

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Soares, Ninive, Eduardo S. Costa, Fabian Sá, Gilberto F. Barroso, Renato R. Neto i Ana T. Lima. "Urban effects in the sediment of an Intermittently Closed and Open Lagoon (ICOLL) in southeastern Brazil—a high-resolution study". Environmental Monitoring and Assessment 191, nr 4 (22.03.2019). http://dx.doi.org/10.1007/s10661-019-7358-7.

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