489 datasets found
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Federal
Tipalao Bay Receiving Water Quality and Sediment Analysis Results, Miscellaneous Lab Sheets
Department of the Interior —
This data package was created 2025-12-03 07:46:45 by NPSTORET and includes selected project, location, and result data. The data come from Guam Waterworks Authority's... -
Federal
Gulf Coast Network 1976-2024 Water Quality Data from Ten Park Projects as of 2025-03-18
Department of the Interior —
This data package was created 2025-03-18 17:05:08 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network... -
Federal
Micronized copper treated wood
U.S. Environmental Protection Agency —
The data include copper concentrations in surface and subsurface water in mesocosms as well as pH, dissolved oxygen, and electrical conductivity. It also shows... -
Federal
Phosphorus, nitrogen, carbon, calcium, pH, and dissolved oxygen data from incubations of Colorado River water and sediment and associated ambient river water measurements
Department of the Interior —
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus... -
Federal
Nooksack River Basin N budget
U.S. Environmental Protection Agency —
Information used to construct a nitrogen budget for the Nooksack River Watershed. The data includes the following four tables: Table 1: Annual N Fluxes in the... -
Federal
Plant and soil data for nitrogen critical load experimental plots, Badlands and Wind Cave National Parks, South Dakota, 2010-2013
Department of the Interior —
Plant and soil data were collected in experimental plots in two sites ("Terrace" and "Hilltop") at Wind Cave National Park, South Dakota, and one site ("BSV") at... -
Federal
Carbon, nitrogen, and phosphorus content of adult emergent Diptera before and after a fire-storm sequence in the Colorado River near Shinumo Creek, Grand Canyon, AZ
Department of the Interior —
This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P... -
Federal
SGS-LTER Effects of water and nitrogen additions on plant species density and cover in shortgrass ecosystems on the Central Plains Experimental Range, Nunn, Colorado, USA 1997-2011, ARS Study Number 143
Department of Agriculture —
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: Short- and long-term trends
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Southern Plains Network - Streams Protocol Water Quality Monitoring Data from 2010-2022 for SOPN_WQ Project as of 2024-10-23
Department of the Interior —
This data package was created 2024-10-23 15:42:39 by NPSTORET and includes selected project, location, and result data. Data contained in Southern Plains Network's... -
Federal
Atmospheric deposition of nitrogen in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of atmospheric nitrogen deposition in the Pacific Northwest region of... -
Federal
Child 1: Nutrient and streamflow model-input data
Department of the Interior —
Trends in nutrient fluxes and streamflow for selected tributaries in the Lake Erie watershed were calculated using monitoring data at 10 locations. Trends in flow-... -
Federal
Water chemistry data observed in experimental laboratory mesocosms exposed to different nitrapyrin and nitrogen amendments in the presence or absence of a nitrifier enriched microbial (NEM) community
Department of the Interior —
These data describe the results of a controlled laboratory mesocosm experiment evaluating the effect of nitrapyrin, a nitrification inhibitor, on nitrification in a... -
Federal
3rd gen wheat data repository
U.S. Environmental Protection Agency —
Data show the effects of nano CeO2 particles on the nutrient contents and stable isotopes of wheat plants over 3 generations of exposure. This dataset is associated... -
Federal
Water chemistry and molecular eDNA data observed in experimental laboratory mesocosms exposed to different nitrogen amendments in the presence or absence of a nitrifier enriched microbial community
Department of the Interior —
Data describe the results of a controlled laboratory mesocosm experiment evaluating the influence of a nitrifier enriched microbial community on silver carp... -
Federal
Dry Dep Comp_Wu et al_2018
U.S. Environmental Protection Agency —
Datasets present results of comparisons of five commonly dry deposition algorithms for ozone and sulfur dioxide, including diurnal patterns in deposition velocities,... -
Federal
Specific Water Quality Sites for Washington County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Pacific Marine Energy Center benthic physical conditions, macrofauna, and groundfish abundances
Department of Energy —
From 2010 to 2015, box core grabs were collected at permanent stations around the Pacific Marine Energy Center - North Energy Test Site (PMEC-NETS) off Newport,... -
Federal
Water quality surveys in Culebra: comprehensive assessment of inorganic nutrient and human dietary tracer concentrations 2023-05-03 to 2024-05-21
National Oceanic and Atmospheric Administration, Department of Commerce —
This record provides dissolved inorganic nutrient and human dietary tracer (caffeine and sucralose) concentration metrics collected monthly between May 2023 to May... -
Federal
Patterns of Diel Variation in Nitrate Concentrations in the Potomac River
Department of the Interior —
This data set includes nitrate concentration, water temperature, and discharge collected every 15 minutes during Dec. 2011 - Nov. 2013 from the USGS gage at the...
489 datasets found