suspended solids
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Yearly water turbidity data from 1840 to 2014 from a network of stations located on Danube River and Danube Delta.
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Water turbidity data based on survey (at different stations located inside the Danube Delta) measured in NTU for the period 2003-2004
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grain and grass dominated catchment located in the south-eastern part of Norway, monitored by The Norwegian Agricultural Environmental Monitoring Programme (JOVA)
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The Jonkershoek Valley site is located in a mountain catchment in the Cape Floristic Region and is the source of the Eerste River. The site was originally dominated by Boland Granite fynbos and Kogelberg Sandstone fynbos with patches of afrotemperate forest. From the 1930s, first order catchment experiments were established in the valley by the Jonkershoek Forestry Research Centre (JFRC) under the auspices of the South African Forestry Research Institute (SAFRI). The catchments were sequentially planted to pine species. Gauged weirs were built in the experimental catchments. Long term records exist for five gauged pine planted catchments and one natural fynbos catchment. The Swartboskloof catchment, located in the Jonkershoek valley, was the site of fire experiments in the 1970s and 80s.
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The Chalk Karst observatory groups different karst sites on the Cretaceous Chalk located at the Paris Basin (Norville, Radicatel, Yport, Saint-Martin-Le-Nœud). These karst watersheds range from 10 to 200 km2 and the land use consists of agriculture and grazing under oceanic climate. There are characterized by chalk plateaus covered with clay-with-flints owing to chalk weathering constituting a fairly impervious layer and with quaternary silts. These surficial formations range from 3 to 20 meters depth and are highly susceptible to crusting, compaction, and erosion, particularly during autumn and winter. A numerous swallow holes locally penetrates the chalk through the above-mentioned impervious layer, resulting in a strong connection of the surface with the aquifer inducing infiltration of turbidity releases at spring and well used to drinking water (up to 500 NTU). These Chalk karst sites are one the sites of the French SO-KARST labellised by INSU-CNRS and are a part of the French RBV-Network and ZA Seine.
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HYBAM observatory runs a network of 17 stations for hydrological, sediment and geochemistry sampling in the Amazon basin. The infrastructure is shared between the partners in each country including France, Brazil, Peru, Bolivia, Colombia and Ecuador. ADCPs are used for river water flow measurements. Samples are processed in different laboratories at Manaus and Brasilia University (Brazil), Lima University (Peru) and Toulouse University (GET laboratory in France). For comparisons with other large tropical rivers, one stations is maintained along the Orinoco River (Venezuela) and Congo River (Congo) HYBAM data are used in a large variety of programs in relation to hydrology, geomorphology, geochemistry, climatology, climate change, carbon cycle, remote sensing and isotopic tracers. The data produced by the HYBAM observatory are made available online on its website (www.ore-hybam.org) to provide to the research community long term assessments on the hydrology of world largest basin.
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Lago Alchichica se localiza a una elevación de 2300 msnm con una profundidad 62 m y es de agua salobre.Habitan organismos endémicos y se encuentran rocas calizas de particular interés por los microorganismos que viven en ellas. Se encuentra en la Cuenca Oriental de Puebla.
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Data refer to on-site measurements and water samples collected in the mesotrophic eastern and eutrophic western basin of Lake Balaton. The data sets covers various physicochemical variables including water temperature, conductivity, pH, total suspended solids, Secchi depth, light extinction coefficient and chlorophyll a concentration for phytoplankton. Samples were collected with a tubular water column sampler.
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grain dominated catchment located in the south-eastern part of Norway, monitored by The Norwegian Agricultural Environmental Monitoring Programme
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The Abrolhos Bank is located along the eastern Brazilian coast and is characterized by an enlargement of the Brazilian shelf (~46.000 km2), reaching approximately 200 km in width. The Abrolhos Bank encompasses three main megahabitats and a complex bathymetry. Rhodolith beds comprise the largest megahabitat, with 20,904 km² (43% of the mapped area), followed by unconsolidated sediments' megahabitat covering 19,151 km2 (39%) and by the reefal megahabitat with 8844 km2 (18%). Rhodolith beds and unconsolidated sediments are topographically less complex and form larger continuous extensions when compared to the reefal megahabitat, which is structurally complex and more patchily configured, even when examined at the regional scale.