316 datasets found
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State
MD iMAP: IR2012 TW8dgt
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
NARS Lake and Stream Predictor Dataset, V1
U.S. Environmental Protection Agency —
This dataset allows the user to explore the potential impacts of various environmental and anthropogenic drivers on observed growing season total phosphorus... -
Federal
Southeast Alaska I&M Network Water Quality Data Package (FQ_Q) for monitoring years 2010-2024 at Sitka 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 Indian River in Sitka National Historical Park for... -
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
Geospatial Data for Delineating Drainage Basins in the Nevada StreamStats Study Area
Department of the Interior —
This data release contains vector and raster geospatial data for delineating drainage basins in the Nevada StreamStats study area. Included are vector streamline,... -
Federal
Water quality and quantity monitoring data package for measurements collected within national parks of the Northeast Temperate Network, 2006-2024
Department of the Interior —
The Northeast Temperate Network (NETN) monitors water quality and water quantity at 9 national park sites to document the status and trends of their lake, pond, and... -
Federal
LECL Lewis and Clark Expedition Historic Tributaries and Streams
Department of the Interior —
This dataset represents the historic tributaries and streams documented by Lewis and Clark and the Corps of Discovery along the Missouri River during the 1804-1805... -
Federal
Streamline Polylines in the Nevada StreamStats Study Area
Department of the Interior —
These vector data represent the dendritic network of streamline polylines used to hydrologically condition the digital elevation model in the Nevada StreamStats study... -
Federal
USGS Streamgages active within the Chesapeake Bay Watershed through Water Year 2018
Department of the Interior —
This Child Item contains a shapefile (ArcGIS Pro version 2.5.0) of the original 409 USGS streamgage locations active within the Chesapeake Bay Watershed (CBWS)... -
Federal
Light and GPP estimates for 173 U.S. rivers: 2. Model inputs and outputs
Department of the Interior —
This dataset provides timeseries of model input and output data This dataset is part of a larger data release of inputs and outputs from a model to predict light at... -
Federal
Geomorphic Surface and Channel Boundaries for the Lower 7.5 Kilometers of the Taiya River Valley, Southeast Alaska, 2018
Department of the Interior —
The USGS mapped geomorphic features in the lower 7.5 kilometers of the Taiya River valley bottom in and near Klondike Gold Rush National Historical Park near Skagway,... -
Federal
NRSA data 2000-2014 Deposition Largest N Source Lin et al.
U.S. Environmental Protection Agency —
NRSA is part of EPA’s National Aquatic Resource Surveys which samples different surface waters on a 5-year cycle during the growing season. For logistical reasons,... -
Federal
Interagency Ecological Program: USFWS Delta Boat Electrofishing Survey, 2018-2025
Department of the Interior —
The United States Fish and Wildlife Service's (USFWS) Delta Boat Electrofishing Survey was designed to estimate spatial and temporal trends in abundance, occupancy,... -
Federal
BLM OR Fish Resident Arc Hub
Department of the Interior —
FISH_RESIDENT_ARC: This feature class is used to determine whether a particular resident fish species is present in a stream, which can affect protection buffer... -
Federal
BLM OR Fish Anadromous Arc Hub
Department of the Interior —
FISH_ANADROMOUS_ARC: This feature class is used to determine whether a particular anadromous fish species is present in a stream, which can affect protection buffer... -
Federal
Interagency Ecological Program: Over four decades of juvenile fish monitoring data from the San Francisco Estuary, collected by the Delta Juvenile Fish Monitoring Program
Department of the Interior —
The United States Fish and Wildlife Service Delta Juvenile Fish Monitoring Program (DJFMP) has monitored juvenile Chinook Salmon Oncorhynchus tshawytscha and other... -
Federal
Southern Great Plains 1997 (SGP97) Hydrology: United States Geological Survey (USGS) Stream Flow Data
Department of Agriculture —
The United States Geological Survey (USGS) stream flow dataset is one of various datasets provided for the Southern Great Plains 1997 (SGP97) project. This dataset... -
Federal
Chesapeake Bay Watershed Non-Tidal Network Station Catchments
Department of the Interior —
Drainage basins of the 123 Non-Tidal Monitoring Stations in the Chesapeake Bay Watershed. -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: 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...
316 datasets found