316 datasets found
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State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Detailed)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last... -
State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Generalized)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 -... -
Federal
Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012 (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
Waterborne Gradient Self-potential, Temperature, and Conductivity Logging of the Upper part of the Delaware River between Hancock and Port Jervis, New York, June–July 2021
Department of the Interior —
This data release contains waterborne gradient self-potential (SP), surface-water temperature, surface-water conductivity and specific conductance, and surface-water... -
Federal
USFWS Adult White Sturgeon Monitoring, San Joaquin River
Department of the Interior —
Overview The Central Valley Project Improvement Act (CVPIA) funds habitat improvement work and associated monitoring in the Central Valley of California to increase... -
Federal
Southeast Alaska I&M Network Water Quality Data Package (FQ_Q) for monitoring years 2011-2024 at Klondike Gold Rush National Historical Park
Department of the Interior —
This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Taiya River in Klondike Gold Rush National... -
State
MD iMAP: Tidal Waters - Legacy Assessments only
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
Daily Estimates of Chlorophyll Concentration for 82 U.S. rivers: 2. Model Inputs and Outputs
Department of the Interior —
This child item dataset includes inputs to and outputs from an extreme gradient boosting model (XGBoost) to predict daily chlorophyll concentrations. Included in this... -
Federal
Datasets of Streamflow, Nutrient Concentrations, Loads and Trends for the Mississippi Ambient Water-Quality Network Stations, Water Years 2008 through 2018
Department of the Interior —
This dataset utilized available water-quality data from the Mississippi Department of Environmental Quality and streamflow from the U.S. Geological Survey to estimate... -
Federal
BLM OR Hydrography Area Polygon Hub
Department of the Interior —
HYD_AREA_POLY: This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are... -
Federal
S&T Project 23037 Final Report: Exploring Frameworks for Simulating Historical and Future Hydrology in the Upper Deschutes River Basin
Department of the Interior —
The scoping study aims to identify a promising approach for estimating unregulated streamflow in the Deschutes River basin for both historical and projected future... -
Federal
Concentrations and loads of phosphorus and suspended solids in the Fox River, Northeastern Wisconsin, 1989–2021
Department of the Interior —
Concentrations and loads of total phosphorus, dissolved phosphorus, and suspended solids were estimated for three sites on the Lower Fox River for October 1988... -
Federal
National Wild and Scenic River Eligible and Suitable Segments (Feature Layer)
Department of Agriculture —
This vector line dataset represents the river center line that are eligible, eligible and suitable, and eligible and not suitable for designation as a National Wild... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: 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
Chesapeake Bay River Input Monitoring Network 1985-2022: WRTDS output 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
Water-Quality Measurements in Savannah River, Savannah, Georgia, 2020
Department of the Interior —
The Savannah Harbor Expansion Project (SHEP) began in January 2015 with the purpose of deepening the Savannah Harbor federal shipping channel to allow access to... -
County
Hydrologic Information Center - Station Search
King County, Washington —
Search for monitoring stations maintained by King County's Hydrologic Information Center. (use a blank search to see all stations). -
Federal
Effects of estrogens and atrazine on functional immune responses of largemouth bass (Micropterus salmoides)
Department of the Interior —
Disease outbreaks, skin lesions, fish kill events, and reproductive abnormalities have been observed in wild populations of bass in the Chesapeake Bay watershed.... -
State
MD iMAP: Maryland Waterbodies - Lakes (Detailed)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Although the State of Maryland has no natural lakes - it has an abundance... -
Federal
Light model and GPP estimates for 173 U.S. rivers
Department of the Interior —
This data release contains products from Savoy & Harvey (2021) which modeled photosynthetically active radiation and gross primary productivity (GPP) for 173...
316 datasets found