Images

USGS scientists Cindy Sibley and Mike Descant calibrate the water quality monitor 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 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 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.

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

A USGS streamgage can be seen on the side of the Mississippi River in Baton Rouge, La.

Floodwaters rise 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.

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

A traveling USGS water quality lab.

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

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

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

USGS crews taking measurements by boat near the Baton Rouge Riverfront.

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

Screen capture of ModelMate with the parameters visible. ModelMate can be used for parameter estimation with ModelMuse.

Highway 11 at Lake Pontchartrain

Sediment sampling and surrogates. Sediment work using physical samplers, laser diffraction, and acoustics on the Illinois River near Chillicothe, Illinois, May 11, 2011.