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Image of the front page of Sound Waves, Dec. 2010
March 25, 2019

Sound Waves, Dec. 2010

The stories in the Dec. 2010 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2010/12/

California Sea Otter Numbers Drop Again

Search for Evidence of Prehistoric Tsunamis and Great Earthquakes on Chirikof Island,

Image of the front page of Sound Waves, Dec. 2018 - Jan. 2019
March 15, 2019

Sound Waves, Dec. 2018 - Jan. 2019

The stories in the Dec. 2018 - Jan. 2019 issue of Sound Waves:

Measuring Waves and Permafrost to Better Understand Erosion on Alaska's Arctic Coast

News Briefs

Added Funding Aids Recovery from 2017 Hurricanes and Wildfires

Mapping the Stamp Sands of Lake Superior

Recent Fieldwork

Partnerships with the

Daylight and fluorescent images of a Montastrea caverno

Daylight and fluorescent images of a Montastrea cavernosa coral colony growing on the seawall at Ft. Jefferson, Dry Tortugas National Park. The brownish color of the coral in daylight is largely attributable to chlorophyll contained within the symbiotic algae harbored by the coral. The fluorescent image was taken at night using blue LED lights to stimulate

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Image of the front page of Sound Waves, Sept. - Oct. 2012
March 22, 2019

Sound Waves, Sept. - Oct. 2012

The stories in the Sept. - Oct. 2012 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2012/10/

USGS Scientists Exploring Mars as Part of NASA’s Mars Science Laboratory 

“Where Am I?”—High-Resolution Digital

Daylight and fluorescent images of two coral colonies

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

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Image: Collection Of Sediment And Water Sampling Prior To The Possible Occurrence Of Oil Contamination From The Deepwater Horizon Oil Well At Egmont Key, Florida

Collection Of Sediment And Water Sampling Prior To The Possible Occurrence Of Oil Contamination From The Deepwater Horizon Oil Well At Egmont Key, Florida

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.

Image of the front page of Sound Waves, July - Aug. 2012
March 22, 2019

Sound Waves, July - Aug. 2012

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-