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Indian-American NASA Scientist reveals new global climate data

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Washington:  An Indian-American scientist working with NASA has revealed how temperature and rainfall patterns may change through the year 2100 because of growing concentrations of greenhouse gases in the Earth’s atmosphere.

New high-resolution global climate data prepared by Ramakrishna Nemani, project scientist at the NASA Earth Exchange (NEX), a big-data research platform in California, can be viewed on a daily timescale at the scale of individual cities and towns.

It will help the scientists and planners in conducting climate risk assessments to understand local and global effects of hazards, such as severe drought, floods, heat waves, and losses in agriculture productivity better.

“This is a fundamental dataset for climate research and assessment with a wide range of applications,” Nemani said in a statement.

“NASA continues to produce valuable community-based data products on the NEX platform to promote scientific collaboration, knowledge sharing, and research and development,” Nemani added.

The data shows projected changes worldwide at a regional level, in response to different scenarios of increasing carbon dioxide simulated by 21 climate models.

“With this new global data-set, people around the world have a valuable new tool to use in planning how to cope with a warming planet,” noted Ellen Stofan, NASA chief scientist.

This NASA data-set integrates actual measurements from around the world with data from climate simulations.

These climate simulations used the best physical models of the climate system available, to provide forecasts of what the global climate might look like under different greenhouse gas emissions scenarios.

The NASA climate projections provide a detailed view of future temperature and precipitation patterns around the world at a 25-km resolution, covering the time period from 1950 to 2100.

The 11-terabyte data-set provides daily estimates of maximum and minimum temperatures and precipitation over the entire globe. (IANS)

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New Boss of NASA Gets Hearty Congratulations

NASA's new boss is already getting cheers from space.

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Vice President Mike Pence, left, shakes hands with the new NASA administrator Jim Bridenstine, right, on stage during a swearing-in ceremony, April 23, 2018, at NASA Headquarters in Washington.
Vice President Mike Pence, left, shakes hands with the new Administration of the National Aeronautics and Space Administration (NASA), Jim Bridenstine, right, on stage during a swearing-in ceremony, Monday, April 23, 2018, at NASA Headquarter in Washington. VOA

NASA’s new boss is already getting cheers from space.

Immediately after being sworn into office Monday by Vice President Mike Pence, NASA Administrator Jim Bridenstine took a call from the three U.S. astronauts at the International Space Station who offered “hearty congratulations.” The Oklahoma congressman became the 13th administrator of NASA, filling a position that had been vacant for more than a year.

“America loves what you guys are doing,” Bridenstine, a former naval aviator, told the astronauts. He promised to do his best “as we reach for new heights and reveal the unknown for the benefit of humankind.”

This is the 60th anniversary year for NASA .

NASA office.
NASA. (Wikimedia Commons)

Bridenstine is the first elected official to lead NASA, something that had bogged down his nomination last year by President Donald Trump. The Senate approved his nomination last week by a narrow vote of 50-49. Monday’s swearing-in ceremony took place at NASA headquarters in Washington.

Pence noted that the space agency, under Bridenstine’s direction, will work to get astronauts back to the moon and then, with help from commercial space and international partners, on to Mars.

Also Read: NASA’s Planet-Hunting Telescope Lifts Off In U.S.

“NASA will lead the way,” said Pence, who heads the newly resurrected National Space Council.

Charles Bolden Jr., a former space shuttle commander and major general in the Marines, was NASA’s last official administrator. The space agency was led by Acting Administrator Robert Lightfoot in the interim. Lightfoot retires from NASA at the end of this month.  VOA

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