National Hydrography Dataset Newsletter - Vol. 20 | Issue 1/2
USGS and NSGIC Coordinate on EDH for 3DNHD Project
The NSGIC/USGS Elevation-Derived Hydrography for the 3D National Hydrography Dataset (EDH for 3DNHD) project has kicked off with a series of webinars intended to explore state and regional EDH activities and to derive critical factors affecting the development of EDH and the integration of those data into the National Hydrography Dataset.
Markup Reviewer Troubleshooting Tips
The Markup Reviewer tool is used by Stewards to review suggested changes to the NHD, WBD, and NHDPlus HR that are submitted through the Markup Application. For more information on suggesting changes to datasets through the Markup Application, please visit the National Hydrography Tools page.
How Wildfires Threaten U.S. Water Supplies
The 2020 fire season provided stark evidence that wildfires are changing the landscape of America. But when a forest burns, the impacts on water supply and quality last long after the flames go out. Learn more about how wildfires threaten U.S. water supplies – and what we can do to adapt to the complex impacts of hotter and bigger fires.
NHD Newsletter Jan/Feb 2021 - NHDPlus HR Status Updates
NHDPlus High Resolution Beta Production Status
NHD Newsletter Monthly Quiz - Jan/Feb 2021
This Month's Hydro QuizThis lake in the western US is one of the deepest in the world and at its deepest point (1,645 feet deep) could entirely submerge the Empire State Building. Approximately 40 percent of this lake basin’s rain and snow fall directly into the lake, contributing to legendary clarity and has been designated as an Outstanding National Resource Water under the Federal…
NHD Newsletter Photo of the Month - Jan/Feb 2021
View of wetlands (ReachCode 03040208001044) in Huntington Beach State Park, South Carolina. Submit your photo! We’d love to see photos of the hydrology near you or from your travels! Please send submissions to Alexander Jonesi (ajonesi@usgs.gov).
