News Briefs - March 2017

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Coastal and marine news highlights from across the USGS

    This article is part of the March 2017 issue of the Sound Waves newsletter.

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    Filter Total Items: 5
    Date published: March 20, 2017

    Enormous Caribbean Waves Before 1492

    Geologists have discovered evidence that unusual seas detached living corals from a Caribbean reef and scattered them far inland, as boulders, during the last centuries before Columbus arrived. The new findings will reinforce precautions against coastal hazards, Caribbean tsunami specialists said.

    Date published: March 13, 2017

    Water managers explore new strategies to protect fish in California’s Bay Delta

    The water in the Delta arrives primarily from the Sacramento and San Joaquin Rivers, supplying water for more than 22 million people. This water source supports California’s trillion-dollar economy—the sixth largest in the world—and its $27 billion agricultural industry.

    Date published: March 3, 2017

    Monitoring Alaska’s Remote and Restless Bogoslof Volcano

    Bogoslof volcano, located in the Aleutian Islands about 98 km (61 mi) northwest of Dutch Harbor/Unalaska, is in an active eruption sequence that began in mid-December 2016 and continues today.

    Date published: February 22, 2017

    Sediment Flows into Galveston Bay Studied to Help Understand Health of Watershed

    A better understanding of sediment and freshwater flow into Galveston Bay is now available from a new U.S. Geological Survey report, done in cooperation with the Texas Water Development Board, and the Galveston Bay Estuary Program.

    Date published: December 15, 2016

    The Challenge of Tracking Nutrient Pollution 2,300 Miles

    Nitrogen and phosphorus are essential nutrients—yet too much of a good thing is not always a good thing. Scientists are investigating nutrient pollution down the Mississippi River.