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2020 Climate Adaptation Science Centers Annual Summary 2020 Climate Adaptation Science Centers Annual Summary
A geonarrative highlighting the Climate Adaptation Science Center's science, partnerships, and capacity building activities from Fiscal Year 2020.
Hydrologic Unit Maps Hydrologic Unit Maps
The U.S. is sub-divided into successively smaller hydrologic units which are classified into four levels: regions, sub-regions, accounting units, and cataloging units. Each unit is identified by a unique hydrologic unit code (HUC) consisting of two to eight digits based on its classification. This site provides information and data for current and historical hydrologic units, names, and numbers.
Flood Event Viewer Flood Event Viewer
During major storms or other short-term events, the USGS collects streamflow and additional data (including storm tide, wave height, high-water marks, and additional sensor deployments) to aid in documenting flood events. The USGS Flood Event Viewer provides convenient, map-based access to downloadable event-based data.
Federal Priority Streamgages (FPS) Mapper Federal Priority Streamgages (FPS) Mapper
This mapper identifies USGS Federal Priority Streamgages (FPS). FPS are monitoring stations that track the amount of water in streams and rivers across the Nation to meet long-term federal information needs. They are strategically positioned to serve as a backbone for the larger National Streamflow Network that is operated in cooperation with over 1,200 federal, state, tribal, and local agencies.
Mississippi Alluvial Plain: Regional Geophysical Survey Mississippi Alluvial Plain: Regional Geophysical Survey
The USGS Mississippi Alluvial Plain (MAP) Regional Water Availability Study began airborne geophysical mapping to obtain high-resolution information about the hydrogeologic structure and properties of the aquifer. This geonarrative showcases the geophysical data collected in this effort and provides a three-dimensional view into the Mississippi Alluvial Plain subsurface.
Expanding Pacific Exploration and Research: Overview of the EXPRESS research campaign Expanding Pacific Exploration and Research: Overview of the EXPRESS research campaign
A multi-agency team is mapping uncharted waters and exploring deep-sea ecosystems off the west coast of the United States. Oceans cover 71% of the Earth's surface, yet little is known about these vast underwater worlds. Less than 20% have been explored. A global initiative seeks to change that, by pledging to complete detailed mapping of one-hundred percent of the seafloor by the year 2030..