BlogArena

General blog about anything and everything of everyday's life.

20. May 2019

April 2, 2014
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Satellite Shows High Productivity from U.S. Corn Belt

Data from satellite sensors show that during the Northern Hemisphere’s growing season, the Midwest region of the United States boasts more photosynthetic activity than any other spot on Earth, according to NASA and university scientists. Healthy plants convert light to … Continue reading

July 21, 2013
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Powerful Animal Tracking System Helps Research Take Flight

Call it a bird’s eye view of migration. Scientists are taking a fresh look at animal movement with a big data approach that combines GPS tracking data with satellite weather and terrain information. The new Environmental-Data Automated Track Annotation (Env-DATA) … Continue reading

July 20, 2013
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Solar tsunami used to measure Sun’s magnetic field

A solar tsunami observed by NASA’s Solar Dynamics Observatory (SDO) and the Japanese Hinode spacecraft has been used to provide the first accurate estimates of the Sun’s magnetic field. Solar tsunamis are produced by enormous explosions in the Sun’s atmosphere … Continue reading

May 5, 2013
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‘Tis the Season — for Plasma Changes at Saturn

Researchers working with data from NASA’s Cassini spacecraft have discovered one way the bubble of charged particles around Saturn — known as the magnetosphere — changes with the planet’s seasons. The finding provides an important clue for solving a riddle … Continue reading

February 8, 2013
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Pacific Locked in ‘La Nada’ Limbo

Sea-surface height data from NASA’s Jason-2 satellite show that the equatorial Pacific Ocean is still locked in what some call a neutral, or ‘La Nada’ state. This condition follows two years of strong, cool-water La Nina events. A new image, … Continue reading

January 20, 2013
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Study Finds Severe Climate Jeopardizing Amazon Forest

PASADENA, Calif. – An area of the Amazon rainforest twice the size of California continues to suffer from the effects of a megadrought that began in 2005, finds a new NASA-led study. These results, together with observed recurrences of droughts … Continue reading

December 31, 2012
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UMass Amherst Climate Model is First to Study Climate Effects of Arctic Hurricanes

AMHERST, Mass. – Though it seems like an oxymoron, Arctic hurricanes happen, complete with a central “eye,” extreme low barometric pressure and towering 30-foot waves that can sink small ships and coat metal platforms with thick ice, threatening oil and … Continue reading

December 14, 2012
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Monitoring Hurricanes: Georgia Tech Engineers Assist NASA with Instrument for Remotely Measuring Storm Intensity

A device designed by engineers at the Georgia Tech Research Institute (GTRI) is part of the Hurricane Imaging Radiometer (HIRAD), an experimental airborne system developed by the Earth Science Office at the NASA Marshall Space Flight Center in Alabama. Known … Continue reading