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Thematische Bibliographien / Riverine plumes / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Riverine plumes“

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Veröffentlicht am 17. November 2023

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1

Oliveira, Eduardo Negri de, Bastiaan Adriaan Knoppers, João Antônio Lorenzzetti, Paulo Ricardo Petter Medeiros, Maria Eulália Carneiro, and Weber Friederichs Landim de Souza. "A satellite view of riverine turbidity plumes on the NE-E Brazilian coastal zone." Brazilian Journal of Oceanography 60, no. 3 (2012): 283–98. http://dx.doi.org/10.1590/s1679-87592012000300002.

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Turbidity plumes of São Francisco, Caravelas, Doce, and Paraiba do Sul river systems, located along the NE/E Brazilian coast, are analyzed for their dispersal patterns of Total Suspended Solids (TSS) concentration using Landsat images and a logarithmic algorithm proposed by Tassan (1987) to convert satellite reflectance values to TSS. The TSS results obtained were compared to in situ collected TSS data. The analysis of the satellite image data set revealed that each river system exhibits a distinct turbidity plume dispersal pattern. The behavior, dimension and degree of turbidity of the São Fr

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Grimes, CB, and MJ Kingsford. "How do Riverine Plumes of Different Sizes Influence Fish Larvae: do they Enhance Recruitment?" Marine and Freshwater Research 47, no. 2 (1996): 191. http://dx.doi.org/10.1071/mf9960191.

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A review of the literature suggests that river discharge plumes strongly influence fish larvae and may play a significant role in the recruitment of local fishes. Some rivers drain large land masses to discharge shallow, turbid and nutrient-rich plumes that interact with ocean currents as well as with local oceanography and meteorology; these plumes may extend hundreds of kilometres offshore and alongshore. The frontal, or mixing, zone between plume and ocean waters is characterized by strong physical and biological processes. Physical dynamics, e.g. hydrodynamic convergence, and abundant nutr

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Devlin, Michelle, and Britta Schaffelke. "Spatial extent of riverine flood plumes and exposure of marine ecosystems in the Tully coastal region, Great Barrier Reef." Marine and Freshwater Research 60, no. 11 (2009): 1109. http://dx.doi.org/10.1071/mf08343.

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Tully River flood plume monitoring data for 11 events (1994–2008) were used to determine what physical characteristics of the floods (size of flood, direction of plume movement, shape of hydrograph) most influence the flood plume water quality and areal extent. During some events, the maximum area influenced by the Tully flood plumes extended into the Coral Sea. Areal extents depended on wind direction and discharge volume, with large extents more likely during light or northerly winds. Strong gradients in water quality existed away from the Tully mouth during the wet season and the adjacent m

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Marta-Almeida, Martinho, Anna Dalbosco, David Franco, and Manuel Ruiz-Villarreal. "Dynamics of river plumes in the South Brazilian Bight and South Brazil." Ocean Dynamics 71, no. 1 (2020): 59–80. http://dx.doi.org/10.1007/s10236-020-01397-x.

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AbstractThe plumes from the rivers of the South Brazilian Bight (SBB) and South Brazil (SB) were studied using a realistic model configuration. River plume variability on continental shelves is driven by the input of river runoff into the shelf, by wind variability, and also by ambient currents and its seasonal variability, especially the Brazil Current, which are realistically modelled in this study. It is presented a simulation of 4 years using a nested configuration, which allows resolving the region around Florianópolis with very high resolution (∼150 m). The dispersion of river plumes was

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Carter, B. R., J. R. Toggweiler, R. M. Key, and J. L. Sarmiento. "Processes determining the marine alkalinity and carbonate saturation distributions." Biogeosciences Discussions 11, no. 7 (2014): 11139–78. http://dx.doi.org/10.5194/bgd-11-11139-2014.

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Abstract. We introduce a composite tracer, Alk*, that has a global distribution primarily determined by CaCO3 precipitation and dissolution. Alk* also highlights riverine alkalinity plumes that are due to dissolved calcium carbonate from land. We estimate the Arctic receives approximately twice the riverine alkalinity per unit area as the Atlantic, and 8 times that of the other oceans. Riverine inputs broadly elevate Alk* in the Arctic surface and particularly near river mouths. Strong net carbonate precipitation lowers basin mean Indian and Atlantic Alk*, while upwelling of dissolved CaCO3 ri

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Martins, Meike Sena, and Detlef Stammer. "Interannual Variability of the Congo River Plume-Induced Sea Surface Salinity." Remote Sensing 14, no. 4 (2022): 1013. http://dx.doi.org/10.3390/rs14041013.

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Based on satellite surface salinity (SSS) observations from the SMOS, Aquarius and SMAP missions, we investigate the interannual SSS variability during the period from 2010 to 2020 in the Gulf of Guinea, impacted by the Congo River run-off. Combined with in situ data, the available 11 years of satellite salinity data suggest that the plume of Congo run-off primarily spreads into western directions, leading to reduced SSS. A fraction of it also shows a coastal southward extent subject to interannual variability influenced by coastal trapped waves. The low-salinity water is associated with high

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Gancheva, Irina, Elisaveta Peneva, and Violeta Slabakova. "Detecting the Surface Signature of Riverine and Effluent Plumes along the Bulgarian Black Sea Coast Using Satellite Data." Remote Sensing 13, no. 20 (2021): 4094. http://dx.doi.org/10.3390/rs13204094.

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The clear and reliable detection of effluent plumes using satellite data is especially challenging. The surface signature of such events is of a small scale; it shows a complex interaction with the local environment and depends greatly on the effluent and marine water constitution. In the context of remote sensing techniques for detecting treated wastewater discharges, we study the surface signature of small river plumes, as they share specific characteristics, such as higher turbidity levels and increased nutrient concentration, and are fresh compared to the salty marine water. The Bulgarian

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Garzon-Garcia, Alexandra, Joanne M. Burton, Stephen Lewis, et al. "The bioavailability of nitrogen associated with sediment in riverine plumes of the Great Barrier Reef." Marine Pollution Bulletin 173 (December 2021): 112910. http://dx.doi.org/10.1016/j.marpolbul.2021.112910.

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Kasurinen, V., H. Aarnos, and A. Vähätalo. "Biologically labile photoproducts from riverine non-labile dissolved organic carbon in the coastal waters." Biogeosciences Discussions 12, no. 11 (2015): 8199–234. http://dx.doi.org/10.5194/bgd-12-8199-2015.

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Abstract. In order to assess the production of biologically labile photoproducts (BLPs) from non-labile riverine dissolved organic carbon (DOC), we collected water samples from ten major rivers, removed labile DOC and mixed the residual non-labile DOC with artificial seawater for microbial and photochemical experiments. Bacteria grew on non-labile DOC with a growth efficiency of 11.5% (mean; range from 3.6 to 15.3%). Simulated solar radiation transformed a part of non-labile DOC into BLPs, which stimulated bacterial respiration and production, but did not change bacterial growth efficiency (BG

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Buck, Kristen N., Maeve C. Lohan, Carolyn J. M. Berger, and Kenneth W. Bruland. "Dissolved iron speciation in two distinct river plumes and an estuary: Implications for riverine iron supply." Limnology and Oceanography 52, no. 2 (2007): 843–55. http://dx.doi.org/10.4319/lo.2007.52.2.0843.

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Koliyavu, Timoci, Chloe Martias, Awnesh Singh, Stéphane Mounier, Philippe Gérard, and Cecile Dupouy. "In-Situ Variability of DOM in Relation with Biogeochemical and Physical Parameters in December 2017 in Laucala Bay (Fiji Islands) after a Strong Rain Event." Journal of Marine Science and Engineering 9, no. 3 (2021): 241. http://dx.doi.org/10.3390/jmse9030241.

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Heavy rain events alter the biogeochemical outflows, affects water quality and ecosystem health within the coastal waters of small Pacific Islands. We characterized snapshots of the optical fingerprints of dissolved organic matter (DOM) sources together with the select nutrients, biogeochemical and physical variables for 10 stations in December 2017 in Laucala Bay, Fiji Islands. DOM absorption coefficients and fluorescence components were determined via spectrofluorometry and Parallel Factor Analysis identifying four components: Type M, two terrestrial (humic, fulvic) components, and a protein

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Álvarez-Romero, Jorge G., Michelle Devlin, Eduardo Teixeira da Silva, et al. "A novel approach to model exposure of coastal-marine ecosystems to riverine flood plumes based on remote sensing techniques." Journal of Environmental Management 119 (April 2013): 194–207. http://dx.doi.org/10.1016/j.jenvman.2013.01.036.

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Korotenko, Konstantin, Alexander Osadchiev, and Vasiliy Melnikov. "Mesoscale Eddies in the Black Sea and Their Impact on River Plumes: Numerical Modeling and Satellite Observations." Remote Sensing 14, no. 17 (2022): 4149. http://dx.doi.org/10.3390/rs14174149.

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The Northeast Caucasian Current (NCC) is the northeastern part of the cyclonic Rim Current (RC) in the Black Sea. As it sometimes approaches the narrow shelf very closely, topographically generated cyclonic eddies (TGEs) can be triggered. These eddies contribute to intense, along- and cross-shelf transport of trapped water with enhanced self-cleaning effects of the coastal zone. Despite intense studies of eddy dynamics in the Black Sea, the mechanisms of the generation of such coastal eddies, their unpredictability, and their capacity to capture and transport impurities are still poorly unders

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Gaspar, Felipe Lima, Barbara Ramos Pinheiro, Carlos Esteban Delgado Noriega, Moacyr Araujo, Nathalie Lefèvre, and Manuel de Jesus Flores Montes. "Alkalinity, inorganic carbon and CO2 flux variability during extreme rainfall years (2010-2011) in two polluted tropical estuaries NE Brazil." Brazilian Journal of Oceanography 66, no. 1 (2018): 115–30. http://dx.doi.org/10.1590/s1679-87592018149406601.

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Abstract The susceptibility of coastal environments to shifts in the biogeochemical cycles of carbon and nutrients driven by anthropogenic pressure and climate change is a real challenge for the scientific community. This paper evaluated the effects of an extreme rainfall event over the nutrients and carbonate parameters in two polluted tropical estuaries. Surface water samples were taken seasonally along a salinity gradient in the Capibaribe and Barra de Jangadas estuaries in order to investigate the spatial and seasonal variability of dissolved nutrients, chlorophyll-a, dissolved oxygen, tot

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Oubelkheir, Kadija, Phillip W. Ford, Nagur Cherukuru, et al. "Impact of a Tropical Cyclone on Terrestrial Inputs and Bio-Optical Properties in Princess Charlotte Bay (Great Barrier Reef Lagoon)." Remote Sensing 15, no. 3 (2023): 652. http://dx.doi.org/10.3390/rs15030652.

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In January 2013, tropical cyclone Oswald caused widespread flooding in the North-East coast of Australia, and large and highly episodic inputs into Princess Charlotte Bay (PCB, northern Great Barrier Reef). Freshwater outflows from the Normanby and Kennedy rivers, the two main rivers draining the adjacent catchments, resulted in drastic changes in physical, biogeochemical and optical properties within PCB. On 31 January, 2 days after the peak riverine discharge from the Normanby river, nutrients and dissolved organic matter contents peaked under the influence of large outflows from the Kennedy

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Domingues, Ricardo, Matthieu Le Hénaff, George Halliwell, et al. "Ocean Conditions and the Intensification of Three Major Atlantic Hurricanes in 2017." Monthly Weather Review 149, no. 5 (2021): 1265–86. http://dx.doi.org/10.1175/mwr-d-20-0100.1.

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AbstractMajor Atlantic hurricanes Irma, Jose, and Maria of 2017 reached their peak intensity in September while traveling over the tropical North Atlantic Ocean and Caribbean Sea, where both atmospheric and ocean conditions were favorable for intensification. In situ and satellite ocean observations revealed that conditions in these areas exhibited (i) sea surface temperatures above 28°C, (ii) upper-ocean heat content above 60 kJ cm−2, and (iii) the presence of low-salinity barrier layers associated with a larger-than-usual extension of the Amazon and Orinoco riverine plumes. Proof-of-concept

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Gancheva, Irina. "Analysis of hyperspectral and multispectral reflectance spectra in the Black Sea coastal area near the Danube delta: comparison of PRISMA and Sentinel-2 observations." Journal of Physics: Conference Series 2255, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1742-6596/2255/1/012015.

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Abstract In this study we investigate the possibility to distinguish between different water types in the Danube delta and the Black Sea coastal zone based on the reflectance spectra. For this we use hyperspectral satellite images from PRISMA (PRecursore IperSpettrale della Missione Applicativa) and multispectral images from Sentinel-2 MSI (MultiSpectral Instrument) in July 2020. The visual inspection of the available acquisitions differentiates between four aquatic types: lagoons; river and stream plumes mixing with marine waters; turbid and optically complex coastal waters; and optically cle

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da Silva, Douglas Vieira, Phelype Haron Oleinik, Juliana Costi, Eduardo de Paula Kirinus, Wiliam Correa Marques, and Osmar Olinto Moller. "Variability of the Spreading of the Patos Lagoon Plume Using Numerical Drifters." Coasts 2, no. 2 (2022): 51–69. http://dx.doi.org/10.3390/coasts2020004.

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The Patos Lagoon coastal plume is a small-scale outflow that is strongly controlled by meteorological tides. However, the riverine discharge of the lagoon is subject to high decadal variability. Hence, the discharge amount alters the scale of this coastal plume and its effects over the inner shelf environment. This study uses hydrodynamic simulations and a Lagrangian model to estimate the spreading of the plume under two different discharge conditions.Through scale parameters, we characterized the contrasts of the plume structure between high discharge and low discharge conditions. During a st

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Jayasinghe, Amadini, Scott Elliott, Anastasia Piliouras, et al. "Modeling Functional Organic Chemistry in Arctic Rivers: An Idealized Siberian System." Atmosphere 11, no. 10 (2020): 1090. http://dx.doi.org/10.3390/atmos11101090.

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Rivers of the Arctic will become ever more important for the global climate, since they carry a majority of continental dissolved organic carbon flux into the rapidly changing polar ocean. Aqueous organics comprise a wide array of functional groups, several of which are likely to impact coastal and open water biophysical properties. Light attenuation, interfacial films, aerosol formation, gas release and momentum exchange can all be cited. We performed Lagrangian kinetic modeling for the evolution of riverine organic chemistry as the molecules in question make their way from the highlands to A

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Grace, Bryan L., and Thomas S. Bianchi. "Sorption and desorption dynamics of bulk dissolved organic matter and amino acids in the Mississippi River plume - a microcosm study." Marine and Freshwater Research 61, no. 9 (2010): 1067. http://dx.doi.org/10.1071/mf09181.

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Particulate and dissolved carbon, nitrogen and amino acids were analysed in a microcosm experiment where particulate material from the Mississippi River was mixed with surface waters of different salinities (2.0, 20.4 and 28.9) collected from the Mississippi River plume. There was evidence for the partitioning of amino acids in different salinity treatments during a 24-h period. Dissolved amino acids in the productive mid-salinity region of the plume had higher binding efficiencies than did amino acids from non-productive waters, indicative of the relative importance of phytoplankton sources o

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Moura, Rodrigo L., Gilberto M. Amado-Filho, Fernando C. Moraes, et al. "An extensive reef system at the Amazon River mouth." Science Advances 2, no. 4 (2016): e1501252. http://dx.doi.org/10.1126/sciadv.1501252.

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Large rivers create major gaps in reef distribution along tropical shelves. The Amazon River represents 20% of the global riverine discharge to the ocean, generating up to a 1.3 × 106–km2plume, and extensive muddy bottoms in the equatorial margin of South America. As a result, a wide area of the tropical North Atlantic is heavily affected in terms of salinity, pH, light penetration, and sedimentation. Such unfavorable conditions were thought to imprint a major gap in Western Atlantic reefs. We present an extensive carbonate system off the Amazon mouth, underneath the river plume. Significant c

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Parsons, Jeffrey D., John W. M. Bush, and James P. M. Syvitski. "Hyperpycnal plume formation from riverine outflows with small sediment concentrations." Sedimentology 48, no. 2 (2001): 465–78. http://dx.doi.org/10.1046/j.1365-3091.2001.00384.x.

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Paulson, A. J., R. A. Feely, H. C. Curl, and D. A. Tennant. "Estuarine transport of trace metals in a buoyant riverine plume." Estuarine, Coastal and Shelf Science 28, no. 3 (1989): 231–48. http://dx.doi.org/10.1016/0272-7714(89)90015-2.

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Huang, W. J., W. J. Cai, Y. Wang, and C. S. Hopkinson. "Impacts of a weather event on shelf circulation and CO<sub>2</sub> and O<sub>2</sub> dynamics on the Louisiana shelf during summer 2009." Biogeosciences Discussions 10, no. 12 (2013): 19867–93. http://dx.doi.org/10.5194/bgd-10-19867-2013.

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Abstract. While much is known about the physics of coastal currents, much less is known about the biogeochemical effects of surface currents on shelf carbon dioxide (CO2) and oxygen distribution and dynamics. The Mississippi and Atchafalaya River plume is usually observed along the Louisiana shelf with easterly winds. Such a typical pattern was observed in August 2007, i.e. a plume of low salinity and low partial pressure of CO2 (pCO2), indicating high biological production on the inner shelf; and higher salinity and pCO2 on the outer shelf. This high biological production induced by riverine

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MULLERKARULIS, B. "Transformations of riverine nutrients in the Daugava river plume (Gulf of Riga)." ICES Journal of Marine Science 56 (December 1999): 180–86. http://dx.doi.org/10.1006/jmsc.1999.0617.

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Herrera, Antonio, and David Bone. "Influence of riverine outputs on sandy beaches of Higuerote, central coast of Venezuela." Latin American Journal of Aquatic Research 39, no. 1 (2011): 56–70. http://dx.doi.org/10.3856/vol39-issue1-fulltext-6.

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The influence of riverine outputs from the Tuy River on the coastal processes of near sandy beaches was assessed by measuring the physical and chemical characteristics of water and sediment samples at eight sites along the north central Venezuelan coast and from the rivers that flow through this region into the sea (Tuy, Capaya, Curiepe) during two field surveys. In addition, the behavior of the Tuy River discharge plume was evaluated using remote sensors, and its effect on the population abundance and size structure of the clam Tivela mactroides was determined. Of the three rivers evaluated,

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Sandeep, K. K., and Vimlesh Pant. "Riverine freshwater plume variability in the Bay of Bengal using wind sensitivity experiments." Deep Sea Research Part II: Topical Studies in Oceanography 168 (October 2019): 104649. http://dx.doi.org/10.1016/j.dsr2.2019.104649.

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St. John, M. A., S. G. Marinone, J. Stronach, P. J. Harrison, J. Fyfe, and R. J. Beamish. "A Horizontally Resolving Physical–Biological Model of Nitrate Concentration and Primary Productivity in the Strait of Georgia." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 7 (1993): 1456–66. http://dx.doi.org/10.1139/f93-166.

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Model simulations revealed that wind mixing was the dominant physical mechanism that added nitrate to the surface layer and subsequently enhanced primary productivity in the Strait of Georgia. Simulations of high Fraser River runoff showed that the enhanced stability of the water column in the vicinity of the riverine plume made wind mixing of nutrients into the surface layer more difficult. We propose that this increase in stability results in an earlier onset of the spring bloom in regions influenced by Fraser River runoff. During the summer, an increase in the buoyancy of surface water due

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Wang, Suisui, Kalyani Sen, Yaodong He, Mohan Bai, and Guangyi Wang. "Riverine Inputs Impact the Diversity and Population Structure of Heterotrophic Fungus-like Protists and Bacterioplankton in the Coastal Waters of the South China Sea." Water 14, no. 10 (2022): 1580. http://dx.doi.org/10.3390/w14101580.

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Labyrinthulomycetes protists (LP) play an important role in ocean carbon cycling with an ubiquitous presence in marine ecosystems. As one of the most important environmental factors, salinity is known to regulate their diverse metabolic activities. However, impacts of salinity gradient on their distribution and ecological functions in natural habitats remain largely unknown. In this study, the dynamics of LP abundance and community structure were examined in the surface water of plume, offshore, and pelagic habitats in the South China Sea (SCS). The highest (5.59 × 105 copies L−1) and lowest (

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ZHANG, MINGRUI, LAWRENCE O. HALL, DMITRY B. GOLDGOF, and FRANK E. MÜLLER-KARGER. "KNOWLEDGE-GUIDED CLASSIFICATION OF COASTAL ZONE COLOR IMAGES OFF THE WEST FLORIDA SHELF." International Journal of Pattern Recognition and Artificial Intelligence 14, no. 08 (2000): 987–1007. http://dx.doi.org/10.1142/s0218001400000660.

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A knowledge-guided approach to automatic classification of Coastal Zone Color images off the West Florida Shelf is described. The approach is used to identify red tides on the West Florida Shelf, as well as areas with high concentration of dissolved organic matter such as a river plume found seasonally along the West Florida coast over the middle of the shelf. The Coastal Zone Color images are initially segmented by the unsupervised Multistage Random Sampling Fuzzy c-Means algorithm. Then, a knowledge-guided system is applied to the centroid values of resultant clusters to label case I, case I

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Fukuwaka, M., and T. Suzuki. "Role of a riverine plume as a nursery area for chum salmon Oncorhynchus keta." Marine Ecology Progress Series 173 (1998): 289–97. http://dx.doi.org/10.3354/meps173289.

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Hu, Didi, Min Xu, Shichang Kang, Jinlei Chen, Chengde Yang, and Qian Yang. "The Effects of Discharge Changes in Siberian Rivers on Arctic Sea-Ice Melting." Remote Sensing 15, no. 14 (2023): 3477. http://dx.doi.org/10.3390/rs15143477.

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Arctic river discharge is one of the important factors affecting sea-ice melting of Arctic shelf seas. However, such effects have not been given much attention. In this study, the changes in discharge of the Ob, Yenisei, and Lena Rivers and the sea ice of the Kara and Laptev Seas during 1979–2019 were analyzed. Substantial increases in discharge and heat from the discharge and decreases in sea ice concentration (SIC) were detected. The effects of changes in discharge and riverine heat on sea ice changes were investigated. The results showed that the influence of the discharge, accumulated disc

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PAVLIDOU, A., I. HATZIANESTIS, E. SKLIVAGOU, V. PAPADOPOULOS, and V. ZERVAKIS. "Hydrology and pollution assessment in a coastal estuarine system. The case of the Strymonikos Gulf (North Aegean Sea)." Mediterranean Marine Science 3, no. 1 (2002): 65. http://dx.doi.org/10.12681/mms.259.

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Three hydrographic cruises were undertaken to study the hydrology and to estimate the ecological status of the coastal ecosystem of the Strymonikos Gulf (North Aegean Sea) impacted by the riverine waters of the Strymon River. Surface sediments were also collected in order to determine the levels of organic contaminants in the gulf. Three main water masses were identified in the Strymonikos Gulf throughout the year: a) the surface river plume water, b) the surface and subsurface Black Sea Water and c) the near bottom (>50 m) water of Levantine origin. High nutrient concentrations were record

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Devlin, M. J., L. W. McKinna, J. G. Álvarez-Romero, et al. "Mapping the pollutants in surface riverine flood plume waters in the Great Barrier Reef, Australia." Marine Pollution Bulletin 65, no. 4-9 (2012): 224–35. http://dx.doi.org/10.1016/j.marpolbul.2012.03.001.

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Conrad, Sarah, Johan Ingri, Johan Gelting, et al. "Distribution of Fe isotopes in particles and colloids in the salinity gradient along the Lena River plume, Laptev Sea." Biogeosciences 16, no. 6 (2019): 1305–19. http://dx.doi.org/10.5194/bg-16-1305-2019.

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Abstract. Riverine Fe input is the primary Fe source for the ocean. This study is focused on the distribution of Fe along the Lena River freshwater plume in the Laptev Sea using samples from a 600 km long transect in front of the Lena River mouth. Separation of the particulate (>0.22 µm), colloidal (0.22 µm–1 kDa), and truly dissolved (<1 kDa) fractions of Fe was carried out. The total Fe concentrations ranged from 0.2 to 57 µM with Fe dominantly as particulate Fe. The loss of >99 % of particulate Fe and about 90 % of the colloidal Fe was observed across the shelf, while the truly dis

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Wegner, C., D. Bauch, J. A. Hölemann, et al. "Interannual variability of surface and bottom sediment transport on the Laptev Sea shelf during summer." Biogeosciences Discussions 9, no. 9 (2012): 13053–84. http://dx.doi.org/10.5194/bgd-9-13053-2012.

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Abstract. Sediment transport dynamics were studied during ice-free conditions under different atmospheric circulation regimes on the Laptev Sea shelf (Siberian Arctic). To study the interannual variability of suspended particulate matter (SPM) dynamics and their coupling with the variability in surface river water distribution on the Laptev Sea detailed oceanographic, optical (turbidity and Ocean Color satellite data), and hydrochemical (nutrients, SPM, stable oxygen isotopes) process studies were carried out continuously during the summers of 2007 and 2008. Thus, for the first time SPM and nu

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Wegner, C., D. Bauch, J. A. Hölemann, et al. "Interannual variability of surface and bottom sediment transport on the Laptev Sea shelf during summer." Biogeosciences 10, no. 2 (2013): 1117–29. http://dx.doi.org/10.5194/bg-10-1117-2013.

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Abstract. Sediment transport dynamics were studied during ice-free conditions under different atmospheric circulation regimes on the Laptev Sea shelf (Siberian Arctic). To study the interannual variability of suspended particulate matter (SPM) dynamics and their coupling with the variability in surface river water distribution on the Laptev Sea shelf, detailed oceanographic, optical (turbidity and Ocean Color satellite data), and hydrochemical (nutrients, SPM, stable oxygen isotopes) process studies were carried out continuously during the summers of 2007 and 2008. Thus, for the first time SPM

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Cepīte-Frišfelde, Daiga, Andrejs Timuhins, and Vilnis Frišfelds. "Modeled surface salinity and satellite data as proxy for Secchi depth and watercolor of the Gulf of Riga." E3S Web of Conferences 436 (2023): 10001. http://dx.doi.org/10.1051/e3sconf/202343610001.

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The present study pays attention to the sea surface salinity field and satellite derived watercolor and Secchi depth datasets in the Gulf of Riga in 1998-2018. The study increases understanding of the river plume’s impact on the open part of the Gulf of Riga. Mean watercolor and salinity versus depth had been compared in April and August month. The region with the high mean watercolor and salinity homogeneity consistency had been seen in the deepest part (depth >40m) of the Gulf of Riga in April. The correlation between mean salinity field and watercolor and Secchi depth data sets had been

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Bernard, C. Y., H. H. Dürr, C. Heinze, J. Segschneider, and E. Maier-Reimer. "Contribution of riverine nutrients to the silicon biogeochemistry of the global ocean – a model study." Biogeosciences Discussions 6, no. 1 (2009): 1091–119. http://dx.doi.org/10.5194/bgd-6-1091-2009.

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Abstract. Continental shelf seas are known to support a large fraction of the global primary production. Yet, continental shelf areas are mostly ignored or neglected in global biogeochemical models. A number of processes that control the transfer of dissolved nutrients from river to the open ocean remain poorly understood. This applies in particular to dissolved silica which drives the growth of diatoms that form a large part of the phytoplankton biomass and are thus an important contributor to export production of carbon. Here, the representation of the biogeochemical state along continents i

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Bernard, C. Y., H. H. Dürr, C. Heinze, J. Segschneider, and E. Maier-Reimer. "Contribution of riverine nutrients to the silicon biogeochemistry of the global ocean – a model study." Biogeosciences Discussions 7, no. 3 (2010): 4919–51. http://dx.doi.org/10.5194/bgd-7-4919-2010.

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Abstract. Continental shelf seas are known to support a large fraction of the global primary production. Yet, continental shelf areas are mostly ignored or neglected in global biogeochemical models. A number of processes that control the transfer of dissolved nutrients from rivers to the open ocean remain poorly understood. This applies in particular to dissolved silica which drives the growth of diatoms that form a large part of the phytoplankton biomass and are thus an important contributor to export production of carbon. Here, the representation of the biogeochemical cycling along continent

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Bernard, C. Y., H. H. Dürr, C. Heinze, J. Segschneider, and E. Maier-Reimer. "Contribution of riverine nutrients to the silicon biogeochemistry of the global ocean – a model study." Biogeosciences 8, no. 3 (2011): 551–64. http://dx.doi.org/10.5194/bg-8-551-2011.

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Abstract. Continental shelf seas are known to support a large fraction of the global primary production. Yet, they are mostly ignored or neglected in global biogeochemical models. A number of processes that control the transfer of dissolved nutrients from rivers to the open ocean remain poorly understood. This applies in particular to dissolved silica which drives the growth of diatoms that form a large part of the phytoplankton biomass and are thus an important contributor to export production of carbon. Here, the representation of the biogeochemical cycling along continents is improved by co

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Brodeur, R. D., and C. A. Morgan. "Influence of a Coastal Riverine Plume on the Cross-shelf Variability in Hydrography, Zooplankton, and Juvenile Salmon Diets." Estuaries and Coasts 39, no. 4 (2015): 1183–98. http://dx.doi.org/10.1007/s12237-015-0050-4.

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Zhang, Haiyan, Katja Fennel, Arnaud Laurent, and Changwei Bian. "A numerical model study of the main factors contributing to hypoxia and its interannual and short-term variability in the East China Sea." Biogeosciences 17, no. 22 (2020): 5745–61. http://dx.doi.org/10.5194/bg-17-5745-2020.

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Abstract. A three-dimensional physical-biological model of the marginal seas of China was used to analyze interannual and intra-seasonal variations in hypoxic conditions and identify the main processes controlling their generation off the Changjiang (or Yangtze River) estuary. The model was compared against available observations and reproduces the observed temporal and spatial variability of physical and biological properties including bottom oxygen. Interannual variations of hypoxic extent in the simulation are partly explained by variations in river discharge but not nutrient load. As river

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Thorrold, Simon R., and A. David McKinnon. "Response of larval fish assemblages to a riverine plume in coastal waters of the central Great Barrier Reef lagoon." Limnology and Oceanography 40, no. 1 (1995): 177–81. http://dx.doi.org/10.4319/lo.1995.40.1.0177.

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Häggi, C., C. M. Chiessi, and E. Schefuß. "Testing the D / H ratio of alkenones and palmitic acid as salinity proxies in the Amazon Plume." Biogeosciences 12, no. 23 (2015): 7239–49. http://dx.doi.org/10.5194/bg-12-7239-2015.

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Abstract. The stable hydrogen isotope composition of lipid biomarkers, such as alkenones, is a promising new tool for the improvement of palaeosalinity reconstructions. Laboratory studies confirmed the correlation between lipid biomarker δD composition (δDLipid), water δD composition (δDH2O) and salinity; yet there is limited insight into the applicability of this proxy in oceanic environments. To fill this gap, we test the use of the δD composition of alkenones (δDC37) and palmitic acid (δDPA) as salinity proxies using samples of surface suspended material along the distinct salinity gradient

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Hoshiba, Yasuhiro, Yoshimasa Matsumura, Hiroyasu Hasumi, Sachihiko Itoh, Satoshi Nakada, and Keita W. Suzuki. "A simulation study on effects of suspended sediment through high riverine discharge on surface river plume and vertical water exchange." Estuarine, Coastal and Shelf Science 228 (November 2019): 106352. http://dx.doi.org/10.1016/j.ecss.2019.106352.

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Liu, Q., M. Dai, W. Chen, et al. "How significant is submarine groundwater discharge and its associated dissolved inorganic carbon in a river-dominated shelf system-the northern South China Sea?" Biogeosciences Discussions 8, no. 6 (2011): 12381–422. http://dx.doi.org/10.5194/bgd-8-12381-2011.

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Abstract. In order to assess the role of submarine groundwater discharge (SGD) and its impact on the carbonate system on the northern South China Sea (NSCS) shelf, we measured seawater concentrations of four radium isotopes 223,224,226,228Ra along with carbon dioxide parameters in June–July, 2008. Complementary groundwater sampling was conducted in coastal areas in December 2008 and October 2010 to constrain the groundwater end-members. The distribution of Ra isotopes in the NSCS was largely controlled by the Pearl River plume and coastal upwelling. Long-lived Ra isotopes (228Ra and 226Ra) wer

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Maguire, Timothy J., Craig A. Stow, and Casey M. Godwin. "Spatially referenced Bayesian state-space model of total phosphorus in western Lake Erie." Hydrology and Earth System Sciences 26, no. 8 (2022): 1993–2017. http://dx.doi.org/10.5194/hess-26-1993-2022.

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Abstract. Collecting water quality data across large lakes is often done under regulatory mandate; however, it is difficult to connect nutrient concentration observations to sources of those nutrients and to quantify this relationship. This difficulty arises from the spatial and temporal separation between observations, the impact of hydrodynamic forces, and the cost involved in discrete samples collected aboard vessels. These challenges are typified in Lake Erie, where binational agreements regulate riverine loads of total phosphorus (TP) to address the impacts from annual harmful algal bloom

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Maguire, Timothy J., Craig A. Stow, and Casey M. Godwin. "Spatially referenced Bayesian state-space model of total phosphorus in western Lake Erie." Hydrology and Earth System Sciences 26, no. 8 (2022): 1993–2017. http://dx.doi.org/10.5194/hess-26-1993-2022.

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Abstract. Collecting water quality data across large lakes is often done under regulatory mandate; however, it is difficult to connect nutrient concentration observations to sources of those nutrients and to quantify this relationship. This difficulty arises from the spatial and temporal separation between observations, the impact of hydrodynamic forces, and the cost involved in discrete samples collected aboard vessels. These challenges are typified in Lake Erie, where binational agreements regulate riverine loads of total phosphorus (TP) to address the impacts from annual harmful algal bloom

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Liu, Q., M. Dai, W. Chen, et al. "How significant is submarine groundwater discharge and its associated dissolved inorganic carbon in a river-dominated shelf system?" Biogeosciences 9, no. 5 (2012): 1777–95. http://dx.doi.org/10.5194/bg-9-1777-2012.

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Abstract. In order to assess the role of submarine groundwater discharge (SGD) and its impact on the carbonate system on the northern South China Sea (NSCS) shelf, we measured seawater concentrations of four radium isotopes 223,224,226,228Ra along with carbonate system parameters in June–July, 2008. Complementary groundwater sampling was conducted in coastal areas in December 2008 and October 2010 to constrain the groundwater end-members. The distribution of Ra isotopes in the NSCS was largely controlled by the Pearl River plume and coastal upwelling. Long-lived Ra isotopes (228Ra and 226Ra) w

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