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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

August 5, 2022

####                 Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2020 (ver. 2.0, January 2023)              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

July 21, 2022

####                 Comparing various survey methods for estimating the number of colonial nesting white egret pairs              

Chesapeake Bay Activities, Eastern Ecological Science Center

July 13, 2022

####                 Model predictions of biological condition for small streams in the Chesapeake Bay Watershed, USA              

Land Management Research Program, Chesapeake Bay Activities, Eastern Ecological Science Center

July 13, 2022

####                 Geomorphic metrics across four catchments in Clarksburg, Maryland, 2002-19              

Chesapeake Bay Activities, New Jersey Water Science Center, South Atlantic Water Science Center (SAWSC)

May 27, 2022

####                 Telemetry data of a Lesser Scaup (Aythya affinis) positive for 2.3.4.4 Highly Pathogenic H5N1              

Chesapeake Bay Activities, Eastern Ecological Science Center

April 29, 2022

####                 CAST Data Input Disaggregation from County and Land-River Segment Scale to National Hydrography Dataset Plus, Version 1.1              

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

April 8, 2022

####                 Chesapeake Bay Region Virginia River Bluff and Wetland Extent Mapping              

Chesapeake Bay Activities, Earth Resources Observation and Science (EROS) Center 

April 4, 2022

####                 An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the Conterminous United States (2014-2018)              

Chesapeake Bay Activities, Wetland and Aquatic Research Center 

March 10, 2022

####                 Attribution of Chessie BIBI and fish sampling data to NHDPlusV2 Catchments within the Chesapeake Bay Watershed              

Chesapeake Bay Activities, Eastern Ecological Science Center

March 2, 2022

####                 Great Blue Heron collection at Poplar Island Complex and Chesapeake Marshlands National Wildlife Refuge Complex              

Land Management Research Program, Chesapeake Bay Activities, Eastern Ecological Science Center

January 6, 2022

####                 SPARROW model input datasets and predictions for predicting near-term effects of climate change on nitrogen transport to Chesapeake Bay              

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

December 15, 2021

####                 Fish community and species distribution predictions for streams and rivers of the Chesapeake Bay Watershed              

Land Management Research Program, Chesapeake Bay Activities, Eastern Ecological Science Center

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