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“A ‘Blue Marble’ image of the Earth taken from the VIIRS instrument aboard NASA ’s most recently launched Earth-observing satellite – Suomi NPP. This composite image uses a number of swaths of the Earth’s surface taken on January 4, 2012. The NPP satellite was renamed ‘Suomi NPP’ on January 24, 2012 to honor the late Verner E. Suomi of the University of Wisconsin .” Quoted from the NASA press release.
“This video describes causes of wetland loss in the Mississippi River Delta. Rapid land subsidence due to sediment compaction and dewatering increases the rate of submergence in this deltaic system.” Quoted from the USGS video release.
Tags: california, earth, earth sciences, level, middle-east, mississippi, satellite images, united-statesA “crevasse splay” is a small delta-like accumulation of sediment that forms perpendicular to a river that is produced when the river overflows its banks.
Tags: geophysics, louisiana, mississippi, pennsylvania, river, texas, virginia, washington“Despite efforts to reduce nitrate levels in the Mississippi River Basin, concentrations and transport at eight major study sites did not consistently decline from 1980-2008. These results are based on a new scientific model developed by the USGS that takes into account variation in river flows in order to gain an accurate understanding of long term trends.” Quoted from the USGS press release.
Tags: astronomy, environment, Geology.com, Jobs, middle-east, mississippi, plate-tectonics, satellite images, united-states, waterThe U.S. Geological Survey has taken a number of actions to prepare for monitoring floods arising from hurricanes and other tropical storms. Activities include hardening of streamgages along the Gulf Coast; implementing rapidly deployable, mobile streamgages; installing an emergency satellite-communications and data-distribution system; and developing storm-surge monitoring capabilities. Quoted from the USGS Fact Sheet.
Tags: alabama, coastal geology, earth sciences, earthquakes, Geology.com, louisiana, mississippi, rivers, water“Follow the Pacific Nearshore Project as researchers from the USGS , Monterey Bay Aquarium, and other institutions sail Alaskan waters to study sea otters and investigate coastal health.” Quoted from the USGS project descripton.
Tags: ads-by-google, alaska, california, canada, coastal geology, Geology.com, Jobs, marcellus-shale, mississippi, pacific ocean, pennsylvania, united-states, virginia, water“Follow the Pacific Nearshore Project as researchers from the USGS , Monterey Bay Aquarium, and other institutions sail Alaskan waters to study sea otters and investigate coastal health.” Quoted from the USGS project descripton.
Tags: california, canada, climate-change, geology-news, Geology.com, mexico, mississippi, pacific, pacific ocean, pennsylvania, texas, united-states, usgsIt’s the beginning of the typhoon season in China and already heavy rains have caused flooding and landslides that have forced the evacuation of over 500,000 people.
Tags: earth sciences, earthquakes, Geology.com, hurricanes and cyclones, mississippi, pennsylvania, philippines, satellite images, tennessee, united-statesA slide on an important levee along the Mississippi River threatens flooding of over a million acres and several Mississippi towns. The Army Corps of Engineers is working quickly to repair the slide.
Tags: ads-by-google, astronomy, brazil, cnn, earthquakes, landslides, marcellus-shale, massachusetts, mississippi, video, waterResidents in Butte La Rose, Louisiana , a community that will be flooded if the Army Corps of Engineers opens the Morganza Spillway are shocked when they hear that parts of their town will be under 15 feet of water .
Tags: ads-by-google, geology-news, Geology.com, marcellus-shale, massachusetts, middle-east, mississippi, satellite images, video