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The USGS collects multiple types of data in the Chesapeake Bay watershed. The Data Catalog contains a list and links of all the types of Chesapeake information from USGS. Some of the most relevant data related to streams and rivers is highlighted in the “tracking status and trends indicators of stream health”. Land cover, use, and change data are also highlighted.

USGS Chesapeake Bay Studies - Data Catalog

### New High-Resolution, Land-Use and Change Data Improves Decision-Making

With support from the CBP, the USGS, Chesapeake Conservancy and the University of Vermont developed an improved 1-meter resolution land use/land cover (LULC) data set for the Chesapeake Bay watershed.

Read more

### Freshwater Flow into Chesapeake Bay

The USGS provides estimates of the monthly and annual amounts of freshwater flow into the Bay so scientists and managers can better understand effects on ecosystem conditions.

View data

### Tracking Status and Trends in Seven Key Indicators of Stream Health

Identifying and tracking the status of, and trends in, stream health within the Chesapeake Bay watershed is essential to understanding the past, present, and future trajectory of the watershed’s resources and ecological condition.

Learn more

December 15, 2021

####                 Chesapeake Bay Nontidal Network 1985 - 2018: Daily High-Flow and Low-Flow Concentration and Load Estimates              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

December 6, 2021

####                 Stream cross-section, benthic macroinvertebrate and fish taxa counts and abundance, and water chemistry data for the Clarksburg study area in Montgomery County, Maryland, 1992 - 2020              

Chesapeake Bay Activities, New Jersey Water Science Center

November 18, 2021

####                 Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050              

Water Resources Mission Area, Chesapeake Bay Activities, New Jersey Water Science Center

November 18, 2021

####                 Estimates of atmospheric inorganic nitrogen deposition to the Chesapeake Bay watershed, 1950-2050              

Chesapeake Bay Activities, New Jersey Water Science Center

November 15, 2021

####                 Tidal Datums, Tidal Range, and Nuisance Flooding Levels for Chesapeake Bay and Delaware Bay              

Coastal and Marine Hazards and Resources Program, Chesapeake Bay Activities, Woods Hole Coastal and Marine Science Center

October 25, 2021

####                 Modeled estimates of altered hydrologic metrics for all NHDPlus v21 reaches in the Chesapeake Bay watershed              

Chesapeake Bay Activities, Eastern Ecological Science Center

October 8, 2021

####                 Inputs and Selected Predictions of a Differential Spatially Referenced Regression Model for 20-year Changes in Total Nitrogen in the Chesapeake Bay Watershed              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

October 8, 2021

####                 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)              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

October 8, 2021

####                 Inputs and Selected Outputs Used to Assess Spatial and Temporal Patterns in Streamflow, Water-Chemistry, and Aquatic Macroinvertebrates of Selected Streams in Fairfax County, Virginia, 2007-2018              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

October 7, 2021

####                 Lidar-derived digital elevation models in Clarksburg, MD representing the years 2002, 2008, 2013, and 2018              

Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center

October 7, 2021

####                 Ephemeral channel heads and digital elevation models used to extract stream networks in Clarksburg, MD (ver. 2.0, October 2021)              

Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center

September 22, 2021

####                 Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2020              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

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