Images

USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.

Major General Michael Walsh, president of the Mississippi River Commission, announces that one floodgate on the Morganza Spillway will open at 3pm on May, 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.

A USGS streamgage sits above the spillway, while a temporary streamgage has been installed below the floodgates. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.

USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.

USGS scientist Garron Ross is interviewed by CCTV reporters about USGS streamflow information. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.

USGS scientist Cindy Sibley prepares to take a water quality measurment on the Atchafalaya River Basin near Melville, La.

USGS scientists Cindy Sibley and Mike Descant calibrate the water quality monitor on the Atchafalaya River Basin near Melville, La.

USGS scientist Cindy Sibley looks at the rising waters on the Atchafalaya River Basin near Melville, La.

USGS scientist Cindy Sibley prepares to take a water quality measurment on the Atchafalaya River Basin near Melville, La.

USGS scientists Mike Descant and Cindy Sibley take water quality measurements on the Atchafalaya River Basin near Melville, La.

USGS scientist Mike Descant takes water quality measurements on the Atchafalaya River Basin near Melville, La.

USGS scientists take water quality measurements on the Atchafalaya River Basin near Melville, La.

Floodwaters rise in Baton Rouge, La.

A traveling USGS water quality lab.

USGS scientist Paul Frederick manually checks the water levels near a streamgage on the Mississippi River in Baton Rouge, La.

USGS scientists Paul Frederick and Mike Descant prepare to take streamflow measurements on the the Mississippi River in Baton Rouge, La.

USGS scientists Mike Descant and Cindy Sibley take water quality measurements on the Atchafalaya River Basin near Melville, La.

The floodwaters rise on the Atchafalaya River Basin near Melville, La.

USGS scientists Paul Frederick and Mike Descant take streamflow measurements on the the Mississippi River in Baton Rouge, La.

Picture taken while USGS crews install a temperature gage at the Baton Rouge Riverfront.

USGS scientists Mike Descant and Cindy Sibley take water quality measurements on the Atchafalaya River Basin near Melville, La.