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The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on the extent of lakes that support...
Search relevance: 1.00 | Views last month: 54 | Catalog Last Checked: August 03, 2026 at 12:51 AM -
This dataset contains soil health indicator data across 9-yr (2012-2020) from an experiment evaluating conventional corn-soybean, organic corn-soybean-oat/alfalfa-alfalfa, and an organic perennial...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: August 01, 2026 at 04:52 AM -
This dataset represents water quality chemistry information for Fagatele Bay, a unit of the National Marine Sanctuary of American Samoa (NMSAS). Contaminant groups quantified were: pesticides,...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 03, 2026 at 04:03 AM -
This metadata report documents a shapefile of watershed boundaries for 84 selected United States Geological Survey (USGS) water quality stations that are part of the Chesapeake Bay non-tidal network (NTN).
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Water sample data collected and curated by Ohio State University's Stone Laboratory and others between 2013 and 2024 in Lake Erie. The samples were collected in part of several projects funded by...
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This dataset includes marine biodiversity data collected in support of the Arctic Marine Biodiversity Observing Network (AMBON) project from 2015 to 2020. These data include fish, seabird and...
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For State agencies and other water-resources managers, determining which waterbodies to allocate limited funds for protection and restoration while also maximizing cost benefit is challenging....
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 01, 2026 at 05:30 AM -
The MEDAR MEDATLAS DATABASE provides data and information compiled during the MEditerranean Data Archaeology and Rescue (MEDAR) MEDATLAS II project and Inventory of hydrological oceanographic...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 01:21 AM -
These data were used to describe a possible approach to estimate changes in invertebrate taxa richness at sites across the United States with known water-quality trends but no invertebrate data....
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:44 AM -
This dataset includes CTD and Bottle data, from mostly French platforms, and provided by IFREMER, including 31 CTD data files with 1537 stations from 1987 to 2003, 31 Bottle data files with 1467...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 01:25 AM -
Measurements of water quality parameters were taken by Windward Community College faculty and students at five sites in the Enchanted Lakes, Kailua, Oahu, Hawaii coastal watershed during...
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This data set contains coastal water quality parameters as measured at seven shoreline locations on the west side of the Island of Hawaii and one site on Lanai, Hawaii during 1988-2011. Each...
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This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN509 in the northern...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 03:27 AM -
This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN510 in the northern...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 03:28 AM -
This dataset utilized available water-quality data from the Mississippi Department of Environmental Quality and streamflow from the U.S. Geological Survey to estimate total nitrogen and total...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:41 AM -
Measurements of water quality parameters were taken by Windward Community College faculty and students at eight sites in the Heeia Stream and adjacent bay waters from December 2002 through...
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This dataset contains hydrochemistry (nutrient concentrations (silicate, nitrate, nitrite, ammonium, phosphate), dissolved and particulate organic nutrients, stable isotope tracers, N2=...
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This metadata record describes mean seasonal time-step estimates of daily streamflow and daily baseflow, and total and baseflow estimates of loads of total nitrogen, total phosphorus, and total...
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The U.S. Geological Survey’s (USGS) SPAtially Referenced Regression On Watershed attributes (SPARROW) model was developed to aid in the interpretation of monitoring data and simulate water-quality...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:19 AM -
This dataset represents three years of water quality data collected in Vatia Bay, American Samoa. A standard suite of nutrient parameters (nitrate, nitrite, ammonium, urea, total nitrogen,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 03:31 AM
