Unified Interior Regions

The stories in the July - Aug. 2012 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2012/08/

USGS Scientists Study an Oil-Spill-Mitigation Sand Berm in the Chandeleur Islands, Louisiana 

Collecting Ocean-

Daylight and fluorescent images of two coral colonies, Diploria clivosa (left) and Orbicella faveolata (right) growing on the seawall at Ft. Jefferson, Dry Tortugas National Park. The two colonies are separated by an area of dead coral that has been colonized by algae. In the fluorescent image, red corresponds to chlorophyll and green to GFP. Note that

St. Johns River WMD water-use 1975-2010 (Click on icon above to save file)

Bruce Bernard (left) and Scott McBride (right) obtain water and sediment samples at Egmont Key which is about 1 mile west of the mouth of Tampa Bay in the Gulf of Mexico. Samples were collected June 14, 2010 prior to the possible occurrence of oil contamination from the Deepwater Horizon's oil well.

The stories in the May - June 2012 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2012/06/

Gas Hydrates and Climate Warming—Why a Methane Catastrophe Is Unlikely 

Real-Time Mapping of Seawater and Atmospheric

Daylight and fluorescen images of a Orbicella faveolata coral colony in Dry Tortugas National Park. In this colony, the GFP fluorescence is so intense that it overwhelms the weaker red fluorescence of chlorophyll. 

USGS conducts long-term, detailed studies on the life history, population dynamics, and ecological requirements of the West Indian manatee. Federally listed as endangered, the manatee is a large, gentle, plant-eating, and slow-moving marine mammal.