316 datasets found
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Federal
New England observed and predicted August stream/river temperature maximum daily rate of change points
U.S. Environmental Protection Agency —
The shapefile contains points with associated observed and predicted August stream/river temperature maximum negative rate of change in New England based on a spatial... -
State
Use Assessment & Attainability Analysis
State of Iowa —
As part of bringing Iowa’s water quality standards into compliance with the federal Clean Water Act, the Iowa Department of Natural Resources assigns designated uses... -
Federal
Ecology_metadata_input
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: Monthly loads
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... -
County
ccgisdata - Rivers and Streams
Cook County of Illinois —
The Rivers and Streams data set represents, as a single line, the interpreted midline of flowing water features as seen on the aerial photography. -
Federal
Long-term sandbar monitoring data along the Colorado River in Marble and Grand Canyons, Arizona
Department of the Interior —
This data release comprises nearly three decades of measurements of sandbar topography for monitoring sites along the Colorado River in Grand Canyon National Park and... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2023: Average annual yields
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
700kHz Multibeam Backscatter Mosaics of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital image mosaic of the backscatter for five (of six) sites where known rock structures exist in the St. Croix River. Backscatter is the... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2018: Average annual yields
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
Corrosivity index and streamflow datasets used to evaluate trends in potentially corrosive source waters in the Nation's streams and rivers (output) (1992-2012)
Department of the Interior —
Changes in water corrosivity from 84 river sites were investigated using long-term (1962 – 2016) data sets. Corrosive waters, often having elevated chloride (Cl)... -
Federal
Chesapeake Bay Nontidal Network 1985-2018: Short- and long-term trends
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2018: Monthly loads
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
Metabolism estimates for 356 U.S. rivers (2007-2017): 6. Model outputs
Department of the Interior —
This dataset provides complete fits from metabolism estimation models. The format is 5 files per model (text and tab-delimited files, packaged as 1 zip file per... -
Federal
700kHz Bathymetric Roughness of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital surface model of the roughness for five (of six) sites where known rock structures exist in the St. Croix River. Roughness is the degree of... -
Federal
Metabolism estimates for 356 U.S. rivers (2007-2017): 3. Timeseries data
Department of the Interior —
This dataset provides timeseries data on water quality and quantity, as collected or computed from outside sources. The format is many tables with one row per time... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: Annual loads
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
Sidescan Image Mosaics of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital image mosaic of sidescan for six sites where known rock structures exist in the St. Croix River. Sidescan sonar emits conical or fan-shaped... -
Federal
Physical Habitat Characteristics on the North and South Forks of the Shenandoah River, VA in 2002-2007
Department of the Interior —
The layers within this geodataset describe physical habitat characteristics in the North and South Fork Shenandoah rivers. They represent conditions during summer... -
Federal
Exit Creek Water Surface Survey, June 2013
Department of the Interior —
This dataset consists of survey data from a longitudinal profile of water surface surveyed June 23-24, 2013 at Exit Creek, a stream draining Exit Glacier in Kenai...
316 datasets found