It's a bird, it's a plane, it's SPARROW!. Anne Hoos and Ana Garcia define the USGS nutrient-loading model SPARROW that has been developed for the Southeast U.S.
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The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.
Yellowstone Monthly Updates
Yellowstone Monthly Updates
Learn about interesting stories of Yellowstone, and the past month's volcanic activity from Mike Poland, Scientist-in-Charge at the Yellowstone Volcano Observatory (YVO).
Sounds of Yellowstone
Sounds of Yellowstone
The USGS Sounds of Yellowstone series lets you listen to the natural sounds of geysers, hot springs, and mudpots found through Yellowstone National Park in Wyoming, USA.
Image of the Week
Image of the Week
A weekly series from the USGS Earth Resources Observation and Science (EROS) Center highlighting satellite image(s) featuring striking changes to the Earth's surface.
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It's a bird, it's a plane, it's SPARROW!. Anne Hoos and Ana Garcia define the USGS nutrient-loading model SPARROW that has been developed for the Southeast U.S.
Big Fork River at Big Falls, Minnesota, April 13, 2011
USGS hydrologists recorded flood stage flow creating rapids on Big Fork River at Big Falls, MN on April 13, 2011
For more information about this flood and to view real-time streamflow information, go to http://mn.water.usgs.gov/
USGS hydrologists recorded flood stage flow creating rapids on Big Fork River at Big Falls, MN on April 13, 2011
For more information about this flood and to view real-time streamflow information, go to http://mn.water.usgs.gov/
PubTalk 3/2011 — Unraveling the Mystery of Avian Navigation
New research indicates that birds are listening to the landscape to find their way
By Jon Hagstrum, Research Geophysicist
New research indicates that birds are listening to the landscape to find their way
By Jon Hagstrum, Research Geophysicist
Monitoring suspended sediment for dam removal
The U.S. Geological Survey is monitoring suspended sediment transport at the Patapsco River Simkins dam removal site in Maryland.
The U.S. Geological Survey is monitoring suspended sediment transport at the Patapsco River Simkins dam removal site in Maryland.
Multi-agency coordination leads to successful dam removal, Simkins Dam, Patapsco River Maryland
linkFaith Fitzpatrick (U.S. Geological Survey) and Serena McClain (American Rivers, Director, River Restoration) discuss the history of how the dam removal became possible. Allen Gellis (USGS Maryland Water Science Center) discusses the importance of monitoring sediment transport related to dam removal.
Multi-agency coordination leads to successful dam removal, Simkins Dam, Patapsco River Maryland
linkFaith Fitzpatrick (U.S. Geological Survey) and Serena McClain (American Rivers, Director, River Restoration) discuss the history of how the dam removal became possible. Allen Gellis (USGS Maryland Water Science Center) discusses the importance of monitoring sediment transport related to dam removal.
Multi-agency coordination leads to successful dam removal, Simkins Dam, Patapsco River Maryland
linkFaith Fitzpatrick (U.S. Geological Survey) and Serena McClain (American Rivers, Director, River Restoration) discuss the history of how the dam removal became possible. Allen Gellis (USGS Maryland Water Science Center) discusses the importance of monitoring sediment transport related to dam removal.
Multi-agency coordination leads to successful dam removal, Simkins Dam, Patapsco River Maryland
linkFaith Fitzpatrick (U.S. Geological Survey) and Serena McClain (American Rivers, Director, River Restoration) discuss the history of how the dam removal became possible. Allen Gellis (USGS Maryland Water Science Center) discusses the importance of monitoring sediment transport related to dam removal.
Ecosystem restoration in the Chesapeake Bay headwaters, Severn River Tributary, Anne Arundel County Maryland
linkFaith Fitzpatrick (U.S. Geological Survey), Hala Flores (Anne Arundel County Department of Public Works), Ronald Bowen (Anne Arundel County Department of Public Works), and Keith Underwood (Underwood and Assoc.) talk about stream restoration projects associated with Anne Arundel County's new office complex.
Ecosystem restoration in the Chesapeake Bay headwaters, Severn River Tributary, Anne Arundel County Maryland
linkFaith Fitzpatrick (U.S. Geological Survey), Hala Flores (Anne Arundel County Department of Public Works), Ronald Bowen (Anne Arundel County Department of Public Works), and Keith Underwood (Underwood and Assoc.) talk about stream restoration projects associated with Anne Arundel County's new office complex.
Protection of urban headwaters during residential development, Jabaz Branch, Severn, Maryland
Faith Fitzpatrick (U.S. Geological Survey), Keith Underwood (Underwood and Assoc.), and Joe Berg (BioHabitats, Inc.) discuss regenerative stormwater conveyance, sand seepage berms, and swales used in new "green" residential developments to protect important trout habitat in downstream areas.
Faith Fitzpatrick (U.S. Geological Survey), Keith Underwood (Underwood and Assoc.), and Joe Berg (BioHabitats, Inc.) discuss regenerative stormwater conveyance, sand seepage berms, and swales used in new "green" residential developments to protect important trout habitat in downstream areas.
Special stormwater outfalls (bubblers) used in stream restoration projects to reduce erosive energy, Carriage Hills Outfall, Maryland
linkFaith Fitzpatrick (U.S. Geological Survey) and Joe Berg (BioHabitats, Inc.) describe bubble up inlet structures that help to reduce erosive energy for stormwater outfalls where they discharge into rehabilitated streams.
Special stormwater outfalls (bubblers) used in stream restoration projects to reduce erosive energy, Carriage Hills Outfall, Maryland
linkFaith Fitzpatrick (U.S. Geological Survey) and Joe Berg (BioHabitats, Inc.) describe bubble up inlet structures that help to reduce erosive energy for stormwater outfalls where they discharge into rehabilitated streams.
Stream restoration, sediment TMDLs issues, and riparian vegetation in urban gullies flowing into the Chesapeake Bay, Carriage Hills, Maryland
linkFaith Fitzpatrick (U.S.
Lava Pouring From Fissure
Lava Spattering Near Pu`u `Ō`ō
Rim Collapsing into Lava Lake
Seepage Investigation: Clear Creek and Little Colorado River
Stream gaging occurring in Winslow: Clear Creek and Little Colorado River.
Stream gaging occurring in Winslow: Clear Creek and Little Colorado River.
The USGS Core Science Systems Mission Area Science Strategy
An overview of the Core Science Systems Mission Area that asks, "What should Core Science Systems focus on in its strategy?"
An overview of the Core Science Systems Mission Area that asks, "What should Core Science Systems focus on in its strategy?"
The USGS Natural Hazards Mission Area Science Strategy
An overview of the Natural Hazards Mission Area that asks, "What should Natural Hazards focus on in its strategy?"
An overview of the Natural Hazards Mission Area that asks, "What should Natural Hazards focus on in its strategy?"
Lava Fountaining Adjacent to Nāpau Crater
Video showing low fountaining from the dominant vent, near the southwest end of the fissure system adjacent to Nāpau Crater, active during the day on March 7.
Video showing low fountaining from the dominant vent, near the southwest end of the fissure system adjacent to Nāpau Crater, active during the day on March 7.