Minimize Research and Application News
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Scientists look to skies to improve tsunami detection

17 May 2017

A team of scientists from Sapienza University in Rome, Italy, and NASA's Jet Propulsion Laboratory in Pasadena, California, has developed a new approach to assist in the ongoing development of timely tsunami detection systems, based upon measurements of how tsunamis disturb a part of Earth's atmosphere.

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NASA’s Van Allen Probes spot man-made barrier shrouding Earth

17 May 2017

Humans have long been shaping Earth's landscape, but now scientists know we can shape our near-space environment as well. A certain type of communications — very low frequency, or VLF, radio communications — have been found to interact with particles in space, affecting how and where they move. At times, these interactions can create a barrier around Earth against natural high energy particle radiation in space. These results, part of a comprehensive paper on human-induced space weather, were recently published in Space Science Reviews.

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Ice particles in Earth’s atmosphere create bright flashes seen from space

15 May 2017

One million miles from Earth, a NASA camera is capturing unexpected flashes of light reflecting off our planet.

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Protecting Queensland’s natural resources with satellite imagery

15 May 2017

Queensland is home to nearly 5 million citizens and some of the earth's most delicate ecosystems. At 1.8 million square kilometers, the region contains rare earth resources, unique biodiversity and sensitive coastlines neighboring the Great Barrier Reef.

Protecting this vast natural landscape is the challenge of Queensland's Department of Natural Resources and Mines (DNRM) to manage. To complement field practices, the DNRM turned to satellite imagery to monitor regions of the state.

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Forests play important part in cooling down local climate

13 May 2017

A new study shows how important forests are in keeping much of the planet's surface cool.

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Negribreen on the move

12 May 2017

Rapid acceleration of an Arctic glacier over the past year has been detected by the Copernicus Sentinel-1 satellites.

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Glaciers rapidly shrinking and disappearing: 50 years of glacier change in Montana

10 May 2017

The warming climate has dramatically reduced the size of 39 glaciers in Montana since 1966, some by as much as 85 percent, according to data released by the U.S. Geological Survey and Portland State University.

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Satellite images reveal gaps in global population data

09 May 2017

Nigerian health officials won't have to rely on flawed, decade-old census data when they plan deliveries of the measles vaccine next year. Instead, they will have access to what may be the most detailed and up-to-date population map ever produced for a developing country. 

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Alaska tundra source of early-winter carbon emissions

08 May 2017

Warmer temperatures and thawing soils may be driving an increase in emissions of carbon dioxide from Alaskan tundra to the atmosphere, particularly during the early winter, according to a new study supported by NASA and the National Oceanic and Atmospheric Administration (NOAA). More carbon dioxide released to the atmosphere will accelerate climate warming, which, in turn, could lead to the release of even more carbon dioxide from these soils.

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Is climate changing cloud heights? Too soon to say

05 May 2017

A new analysis of 15 years of NASA satellite cloud measurements finds that clouds worldwide show no definitive trend during this period toward decreasing or increasing in height. The new study updates an earlier analysis of the first 10 years of the same data that suggested cloud heights might be getting lower.

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Albatrosses counted from space

04 May 2017

Scientists have started counting individual birds from space.

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Satellites track Antarctic ice loss over decades

02 May 2017

Over two decades of observations by five radar satellites show the acceleration of ice loss of 30 glaciers in Western Palmer Land in the southwest Antarctic Peninsula.

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Antarctica’s troublesome ‘hairdryer winds’

30 April 2017

It's an ill wind that blows no good - at least not for the ice shelves on the eastern side of the Antarctic Peninsula.

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NASA study challenges long-held tsunami formation theory

26 April 2017

A new NASA study is challenging a long-held theory that tsunamis form and acquire their energy mostly from vertical movement of the seafloor.

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NASA’s Fermi catches Gamma-ray flashes from tropical storms

24 April 2017

About a thousand times a day, thunderstorms fire off fleeting bursts of some of the highest-energy light naturally found on Earth. These events, called terrestrial gamma-ray flashes (TGFs), last less than a millisecond and produce gamma rays with tens of millions of times the energy of visible light. Since its launch in 2008, NASA's Fermi Gamma-ray Space Telescope has recorded more than 4,000 TGFs, which scientists are studying to better understand how the phenomenon relates to lightning activity, storm strength and the life cycle of storms.

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How the Copernicus Emergency Mapping Service supported responses to major earthquakes in Central Italy

21 April 2017

A series of strong earthquakes struck Central Italy starting in August 2016, killing over 300 people, injuring some 360 and leaving over 2000 without homes. The Copernicus Emergency Management service was activated by the Italian Civil Protection authorities during this period and produced a total of 120 maps of the damaged areas, supporting their decision-making, rescue and aid delivery activities during these disastrous events.

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Arctic river ice deposits rapidly disappearing

18 April 2017

WASHINGTON, DC — Climate change is causing thick ice deposits that form along Arctic rivers to melt nearly a month earlier than they did 15 years ago, a new study finds.

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Glacier shape influences susceptibility to melting

17 April 2017

A new NASA-funded study has identified which glaciers in West Greenland are most susceptible to thinning in the coming decades by analyzing how they're shaped. The research could help predict how much the Greenland Ice Sheet will contribute to future sea level rise in the next century, a number that currently ranges from inches to feet.

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Better estimates of clouds’ climate effects are on the horizon

14 April 2017

The water that makes up a cloud can exist as liquid droplets, ice crystals, or a mixture of both phases. Cloud phase affects how much radiation from the Sun reaches the ground, stays in the atmosphere, or makes its way back into space; all three influence Earth's temperature. However, inadequate tools and data have made it challenging for scientists to accurately incorporate cloud phase into predictions of future climate.

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ESA helps faster cleaner shipping

13 April 2017

With around 90% of world trade carried by ships, making sure a vessel follows the fastest route has clear economic benefits. By merging measurements from different satellites, ESA is providing key information on ocean currents, which is not only making shipping more efficient but is also helping to reduce carbon dioxide emissions.

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