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Found 3729 dataset(s) matching "surface samples".
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As part of the U.S. Geological Survey's National Water-Quality Assessment Program, an investigation of the Yellowstone River Basin study unit is being conducted to document status and trends in...
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Synoptic sampling including water column profiles and collected surface water samples was conducted on a bi-monthly basis throughout the rainy season (October-May) and on a monthly basis in the...
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Synoptic sampling including water column profiles and collected surface water samples was conducted on a bi-monthly basis throughout the rainy season (October-May) and on a monthly basis in the...
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This dataset consists of surface underway measurements of partial pressure (or fugacity) of carbon dioxide (pCO2) in water, sea surface temperature, salinity and pH collected by IMOCA 60 11th hour...
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Green and others (2021) developed a gradient boosted regression tree model to predict the mean groundwater age, or travel time, for shallow wells across a portion of the Great Lakes basin in the...
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Surface water, pore water, pond bottom sediments, and groundwater were sampled within and downgradient from five groundwater flow-through ponds that ranged from oligotrophic to eutrophic in Cape...
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Chemical, benthic organisms, and other data were collected using moored current meter casts and other instruments in the Gulf of Mexico from November 11, 1983 to November 13, 1984. Data were...
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Fishery survey, fishing duration and other benthic organism data from unknown and other platforms from North Atlantic Ocean was collected over four years between January 16, 1980 to March 14,...
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This dataset provides measurements of particulate organic carbon (POC) concentrations made on water samples collected during 2021 in surface waters of the Atchafalaya River and Terrebonne Basins,...
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This dataset contains profile discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale, water temperature, salinity, dissolved oxygen and nutrients collected from...
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This dataset contains the surface discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale and nutrients during the R/V F. G. Walton Smith cruise WS20006 (EXPOCODE...
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This dataset contains the surface discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale and nutrients during the R/V F. G. Walton Smith cruise WS19322 (EXPOCODE...
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This dataset contains the surface underway and surface discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, partial pressure of CO2...
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The United States Geological Survey (USGS) is studying the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean acidification...
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The United States Geological Survey (USGS) is studying the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean acidification...
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The United States Geological Survey (USGS) is studying the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean acidification...
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This dataset includes field measurements and laboratory analyses of surface water, bottom water (sediment-water interface), surficial (0-2 cm) sediment, pore water (0-2 cm), and biota collected in...
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Sediment core and sample locations and depth of water from the surface and maximum sample depth at each location for Center Creek, Turkey Creek, Shoal Creek, Tar Creek, and Spring River in the...
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This dataset provides estimates of total organic soil carbon (SOC), pyrogenic (PyC), particulate (POC), and other organic soil carbon (OOC) fractions in 473 surface layer soil samples collected...
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As part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment Program (NAWQA), an investigation of the Missouri River Basin is being conducted to document trends in...