United States Flood Free Stock Images

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USGS Streamgage at Soper Branch Creek

A view from Soper Branch creek with a USGS streamgage on the other side of the bridge. Soper Branch is a small stream near Hyattstown, MD, that is part of the Chesapeake Bay watershed. For more than 125 years, starting with the establishment of the first streamgage in Embudo, N.M., on Jan. 1, 1889, the USGS has monitored flow in selected streams and rivers across the United States. The information is routinely used for water supply and management, monitoring floods and droughts, bridge and road design, determination of flood risk and for many recreational activities. The USGS currently operates 4,461 stations with more than 30 years of record, and 8,024 gages comprise the U.S. streamgage network today. Photo credit: Dianna Hogan, USGS. A view from Soper Branch creek with a USGS streamgage on the other side of the bridge. Soper Branch is a small stream near Hyattstown, MD, that is part of the Chesapeake Bay watershed. For more than 125 years, starting with the establishment of the first streamgage in Embudo, N.M., on Jan. 1, 1889, the USGS has monitored flow in selected streams and rivers across the United States. The information is routinely used for water supply and management, monitoring floods and droughts, bridge and road design, determination of flood risk and for many recreational activities. The USGS currently operates 4,461 stations with more than 30 years of record, and 8,024 gages comprise the U.S. streamgage network today. Photo credit: Dianna Hogan, USGS

Using Science to Improve Infrastructure

Using Science to Improve Infrastructure â€” In this photo, we see Paul Schauer (USGS) running a level survey for the streambed scour project in Seward, Alaska. The goal of this type of work is to evaluate the scour susceptibility of bridges in order to identify structures that require mitigation of the scour problem, annual monitoring, or near real-time scour monitoring. Bridge scour isâ€‹ basicallyâ€‹ the removal of sediment (like rock, sand, etc) from around the bridge causing it to weaken. Streambed scour at bridges is the leading cause of bridge failure in the United States. The costs associated with restoring damaged structures are substantial, but the indirect costs associated with the disruption of traffic can be up to five times greater. These costs and the societal repercussions are even greater in Alaska, where alternate land routes between many cities do not exist. Flood damage to two bridges on the George Parks Highway between Anchorage and Fairbanks closed the highway for four days in August 2006 and repair costs to these structures and others damaged during the flooding are estimated at over 13 million dollars. Learn more about this project at bit.ly/AKScour.

Shore defence being re-laid

Shore defence being re-laid after hurricane Wilma on the shore of chokoloskee bay at everglades city, florida united states, usa, taken in march 2006

Dried trees in Arches National Park

Dried trees with an arch in Arches National Park. Dried trees with an arch in Arches National Park

Desert trail

Hackberry trailhead in dried creek path. Hackberry trailhead in dried creek path.

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