Core Science Systems


Browse or search the repository below for Core Science Center news, announcements, events, project updates, and more.

Filter Total Items: 569
June 30, 2021

Chesapeake Bay Activities Newsletter May-June 2021

The USGS provides research and monitoring to better understand and restore the Chesapeake Bay and its watershed. Our technical reports and journal articles, which we translate into science summaries, provide the findings used by federal, state, and local decisionmakers to inform restoration and conservation decisions. Here are some recent highlights.

Learn more about USGS Chesapeake Bay activities

Date published: June 25, 2021

July 14, 2021 CDI Monthly Meeting

The July 2021 Monthly Virtual Meeting will feature presentations on FAIR geophysical data and lessons for developing decision support tools.

Date published: June 23, 2021

NEW TNMCorps Mapping Challenge for Fire Stations in MS!

TNMCorps mapping challenges transition to the Gulf Coast with another challenge for fire stations in Mississippi! This is an excellent challenge for new volunteers or Standard Editors with many unedited (i.e., red) points that need to be confirmed.

Date published: June 23, 2021

NEW TNMCorps Mapping Challenge for City / Town Halls in AK!

Here’s a new challenge for City / Town Halls in Alaska! It’s always fun to visit Alaska this time of year, especially when there is still daylight at midnight from the summer solstice.

Date published: June 23, 2021

FINISHED!! TNMCorps Mapping Challenge for Law Enforcement in AR

This challenge is now complete! Thank you to everyone who contributed!

Date published: June 23, 2021

For the second year in a row, smaller Chesapeake Bay dead zone forecast for the summer

Chesapeake Bay Program — Press Release — June 21, 2021

Date published: June 21, 2021

News Feature: The complex case of Chesapeake Bay restoration

Proceedings of the National Academy of Sciences of the United States of America — by John Carey — June 16, 2021

Date published: June 21, 2021

Landsat Update June 2021

Landsat Updates are prepared periodically and distributed electronically to provide information about Landsat activities and related topics of interest.

Date published: June 18, 2021

Land Use Models from EROS Offer Insight, Management Guidance for Delaware River Basin

In the mid-1960s, the city of Philadelphia faced a potential public health crisis.

Date published: June 9, 2021

NHD Missing Geometric Network and NHDFlow Table Information


// RESOLVED // Update 6/24/2021

This issue has been resolved. Problematic datasets produced in June 2021 have been replaced with corrected datasets that contain the geometric network and the NHDFlow table is populated.

Please report any further issues to

Date published: June 2, 2021

TNMCorps Mapping Challenge Summary Results for City / Town Hall Structures in WI

Summary statistics are now available for this challenge. Thanks again to everyone who contributed!