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Ocean

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Tuesday, July 9th, 2019

Satellites Find Biggest Seaweed Bloom in the World

An unprecedented belt of brown algae stretches from West Africa to the Gulf of Mexico—and it’s likely here to stay. Scientists at the University of South Florida in St. Petersburg’s College of Marine Science used NASA satellite observations to discover and document the largest bloom of macroalgae in the world, dubbed the Great Atlantic Sargassum

Tuesday, January 29th, 2019

Sustainable Ocean Alliance Releases First State of Our Ocean Annual Report

The Sustainable Ocean Alliance (SOA), a global nonprofit organization that advances the impact of young ocean leaders, released its first State of Our Ocean Annual Report,  an annual assessment of the health of our ocean based on the analysis of SOA young leaders and ocean experts. In launching this report at the start of 2019,

Tuesday, October 30th, 2018

Florida Keys Coral Have Grown Little in 3,000 Years

The Florida Keys coral reefs stopped growing or significantly slowed their growth at least 3,000 years ago and have been balanced between persistence and erosion ever since, according to a new study by the U.S. Geological Survey (USGS). The study, published in the journal Global Change Biology, also points to coral bleaching and disease outbreaks

Monday, August 13th, 2018

Expedition Probes Ocean’s Smallest Organisms for Climate Answers

Satellite images of phytoplankton blooms on the surface of the ocean often dazzle with their diverse colors, shades and shapes. But phytoplankton are more than just nature’s watercolors: They play a key role in Earth’s climate by removing heat-trapping carbon dioxide from the atmosphere through photosynthesis. Yet a detailed account of what becomes of that

Sunday, June 17th, 2018

Ramp-Up in Antarctic Ice Loss Speeds Sea-Level Rise

Ice losses from Antarctica have tripled since 2012, increasing global sea levels by 0.12 inches (3 millimeters) in that timeframe alone, according to a major new international climate assessment funded by NASA and the European Space Agency (ESA). According to the study, ice losses from Antarctica are causing sea levels to rise faster today than

Tuesday, May 29th, 2018

Climate Change May Lead to Bigger Atmospheric Rivers

A new NASA-led study shows that climate change is likely to intensify extreme weather events known as atmospheric rivers across most of the globe by the end of this century, while slightly reducing their number. The new study projects atmospheric rivers will be significantly longer and wider than the ones we observe today, leading to

Monday, April 9th, 2018

Antarctica Loses Grip

The European Space Agency (ESA) CryoSat mission revealed that, during the last seven years, Antarctica has lost an area of underwater ice the size of Greater London. This is because warm ocean water beneath the continent’s floating margins is eating away at the ice attached to the seabed. Most Antarctic glaciers flow straight into the

Tuesday, January 23rd, 2018

Oceangate and 2G Robotics to Laser Scan Titanic Shipwreck and Debris Field

OceanGate Inc., a provider of manned submersible services, and 2G Robotics, which develops underwater laser scanners, formed a strategic alliance to capture laser data of the RMS Titanic shipwreck and debris field. 2G Robotics ULS-500 PRO underwater laser scanner will be installed on OceanGate’s Cyclops 2, the first manned submersible to survey the Titanic since

Monday, November 27th, 2017

Satellites Accurately Capture Ocean Salinity in Arctic

Monitoring ocean salinity is essential for understanding its impact on ocean circulation, Earth’s water cycle, marine ecology and climate change. Ocean salinity in the Arctic is of particular interest, because it changes significantly with seasonal ice cover and is expected to decrease as the Greenland ice sheet melts and releases massive amounts of freshwater. Despite

Monday, October 9th, 2017

Satellites Provide Thermal View of Hurricane Nate after Landfall

NASA’s Aqua satellite and NASA-NOAA’s Suomi NPP satellite analyzed the temperatures in Hurricane Nate’s cloud tops and determined that the most powerful thunderstorms and heaviest rain areas were around the center of the tropical cyclone after it made landfall near the mouth of the Mississippi River on Oct. 7, 2017. Infrared light provides valuable temperature

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