Images

Dauphin Island, Alabama. Map views of post-storm difference grids for Hurricanes Ivan (A) and Katrina (B), and vertical photography of the same location (C). The lidar images show elevation gains (green) and losses (red).

The top image, taken off the coast of Waveland, Mississippi, in July 1998, shows several large oceanfront homes, and thick wooded vegetation bordering the sandy beach. The bottom image shows the same location on August 31, 2005, two days after landfall of Hurricane Katrina.

The top image was taken off the coast of Bay St. Louis, Mississippi, in July 1998 by researchers at the University of New Orleans. In this image, notice the large multi-story houses, some of which are built on stilts to protect the homes from flooding. The bottom image shows the same location on August 31, 2005, two days after landfall of Hurricane Katrina.

Dauphin Island, Alabama. Three-dimensional views of island topography (A-C), post-Katrina oblique aerial photograph (D), and differences in topography from Hurricanes Ivan (E) and Katrina (F). The view is along the island, looking from east to west, with the Gulf of Mexico to the left and Mississippi Sound to the right.

In the top image, taken in 1998, notice the pier, pier house, and the antebellum house. The bottom image shows the same location on August 31, 2005, two days after Hurricane Katrina made landfall. This photo shows the complete destruction of these landmarks.

Views, looking west, to downtown Decorah, Iowa, from a city park bluff on east side of town.  Downtown courthouse tower and church spires are prominent.

These Landsat images show the damage that New Orleans, Louisiana, received as a result of Hurricane Katrina.

A future development billboard showing plots available. In the background there is an abandoned agriculture field. The picture was taken in Iowa during a Land Cover Trends field trip.

A road shot with the setting sun in the background. The photograph was taken on a Land Cover Trends field trip in Iowa.

A threatened Louisiana black bear and her cubs up in a tree.

USGS researchers discovered a new species of turtle. The Pearl River map turtle makes its home in the Pearl River of Louisiana and Mississippi.

USGS scientists Paul Frederick and Mike Descant make sure there is enough clearance for their boat to drive under a bridge on the Atchafalaya River near Melville, La. 

Dr. Lee Foote, National Wetlands Research Center, studies a Louisiana marshland.