316 datasets found
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Federal
Water-quality trends and trend component estimates for the Nation's rivers and streams using Weighted Regressions on Time, Discharge, and Season (WRTDS) models and generalized flow normalization, 1972-2012
Department of the Interior —
Nonstationary streamflow due to environmental and human-induced causes can affect water quality over time, yet these effects are poorly accounted for in water-quality... -
State
MD iMAP: IR2012 RiversStreams
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
Channel geometry, banklines and floodplain inundation over a range of discharges in two segments of the Missouri National Recreational River, South Dakota and Nebraska, 1955-2018-Thirty nine mile segment
Department of the Interior —
These datasets describe channel adjustments over a 60-year period to dams in the Missouri National Recreational River (MNRR), South Dakota and Nebraska. Datasets... -
State
MD iMAP: Maryland Water Quality - Tier II Catchments 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This dataset provides the Tier II catchments delineated for the most... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS input data
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
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2018 (ver. 2.0, May 2020)
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... -
State
Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022
State of California —
Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program in the Yolo... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2018: 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
Light and GPP estimates for 173 U.S. rivers: 1. Site information and parameters
Department of the Interior —
This dataset provides information on site identifiers, location information, and model parameters. The format is a tab-delimted file with 1 row per site. This dataset... -
Federal
Channel morphology data from selected reaches along the Rio Grande-Bravo, Texas: 2022 - 2024
Department of the Interior —
These data are channel morphology survey points for long-term monitoring of the Rio Grande-Rio Bravo within Big Bend National Park and the Rio Grande Wild and Scenic... -
Federal
Data from visual encounter and acoustic monitoring surveys targeting amphibians and reptiles in Big Thicket National Preserve in southeast Texas from August 2010 to September 2018
Department of the Interior —
This dataset contains data from visual encounter and acoustic surveys in Big Thicket National Preserve in Texas from August 2010 to September 2018. This dataset also... -
Federal
Field-based bathymetric surveys of the Niobrara River, Nebraska, November 2012 and August 2016
Department of the Interior —
Field measurements of water depth were collected from the Niobrara River, a dynamic, sand-bed channel in northern Nebraska, in November 2012 and again in August 2016... -
Federal
Data release for climate change impacts on surface water extents across the central United States
Department of the Interior —
High-frequency observations of surface water at fine spatial scales are critical to effectively manage aquatic habitat, flood risk and water quality. We developed... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2022: 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... -
State
MD iMAP: IR2012 TWdefault
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
NRSA 2013-2014 ARG Dataset
U.S. Environmental Protection Agency —
ARG, intI1, fecal indicator bacteria PCR data. This dataset is associated with the following publication: Keely, S., N. Brinkman, E. Wheaton, M. Jahne, S. Siefring,... -
Federal
Stream metabolism estimated from dissolved oxygen data in Connecticut streams, 2015-18
Department of the Interior —
This dataset provides details from stream metabolism models for 11 stream sites in Connecticut that were monitored during 2015-2018 by the U.S. Geological Survey.... -
Federal
Ecology_metadata_output
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
BLM OR Wild and Scenic Rivers Line Hub
Department of the Interior —
wsr_arc: This layer is the line representation of the designated Wild and Scenic River segments under BLM management within the boundaries of Oregon and Washington.... -
State
Major Water Sources in Iowa - Streams
State of Iowa —
The Major Water Sources list was created by IDNR to address concerns that new confinements would be constructed within view of "floatable/canoeable" rivers. The...
316 datasets found