316 datasets found
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Federal
BLM Natl AIM Lotic Indicators Hub
Department of the Interior —
This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2023: 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
Southeast Alaska I&M Network Water Quality Data Package (FQ_Q) for monitoring years 2010-2024 at Glacier Bay National Park and Preserve
Department of the Interior —
This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Salmon River in Glacier Bay National Park and... -
Federal
BLM OR Hydrography Waterbody Polygon Hub
Department of the Interior —
HYD_WATERBODY_POLY: This dataset contains waterbody features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD waterbody... -
State
Salt Water Limit
State of Connecticut —
Salt Water Limit is a 1:24000-scale, line feature-based layer that depicts the approximate salt water limits of watercourses and embayments in coastal Connecticut. It... -
Federal
BLM OR Hydrography Point Hub
Department of the Interior —
HYD_POINT: This dataset contains point features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD point features include... -
State
Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.
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
fishtail_huc12: Indices and supporting data characterizing the current and future risk to fish habitat degradation in the Northeast Climate Science Center region
Department of the Interior —
This dataset represents results from this study attributed to the Hydrologic Unit Code (HUC) 12 watershed boundaries. Human impacts occurring throughout the Northeast... -
State
Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.
State of California —
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in the San Francisco... -
Federal
New England observed and predicted August stream/river temperature daily range points
U.S. Environmental Protection Agency —
The shapefile contains points with associated observed and predicted August stream/river temperature daily ranges in New England based on a spatial statistical... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2017
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): 7. Model diagnostics
Department of the Interior —
This dataset provides key diagnostics and overall assessments of metabolism model performance. The format is a table with 1 row per model (1 tab-delimited file,... -
Federal
Metabolism estimates for 356 U.S. rivers (2007-2017): 5. Model configurations
Department of the Interior —
This dataset provides model specifications used to estimate metabolism. The format is a table with 1 row per model (1 tab-delimited file, compressed into zip file).... -
Federal
Bathymetry of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital elevation model (DEM) of the bathymetry for six sites where known rock structures exist in the St. Croix River. The DEMs have a 10-cm... -
State
MD iMAP: Tidal Waters - Swimming/Bacteria 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: 3. Approval Status
Department of the Interior —
This child item dataset contains the source of chlorophyll data as well as the approval status of all data aquired from the USGS National Water Information System... -
Federal
Metabolism estimates for 356 U.S. rivers (2007-2017): 2a. Site coordinates
Department of the Interior —
This dataset provides site locations as shapefile points. The format is a shapefile for all sites combined (.shp, .shx, .dbf, and .prj files). This dataset is part of... -
Federal
Metabolism estimates for 356 U.S. rivers (2007-2017): 2b. Site catchment boundaries
Department of the Interior —
This dataset provides shapefile outlines of the catchments contributing to sites where metabolism was or could have been estimated. The format is a shapefile for all... -
Federal
Data on denitrification and ecological characteristics of nontidal floodplains, Chesapeake Bay watershed, USA, 2013-2016
Department of the Interior —
This data set presents attributes of floodplain ecosystem characteristics including floodplain soil denitrification, floodplain soil biogeochemistry, floodplain... -
Federal
Depth measurements from the upper Sacramento River in northern California, September 11-14, 2017
Department of the Interior —
Field measurements of water depth were acquired from a reach of the upper Sacramento River in northern California, September 12-14, 2017, to support research on...
316 datasets found