As the Sept. 15 launch date for NASA's new ice-monitoring satellite approaches, University at Buffalo scientists are among many worldwide who are counting down the days.

They're excited, but nervous, too. That's what happens when your future research is reliant on equipment that's going to be hurled, atop a flaming rocket, into the harsh environs of outer space. Or when - as in the case of UB climate scientist Beata Csatho - you actually helped to build the thing that's blasting into orbit.

"There is so much that goes into these missions. We all want it to succeed," says Csatho, PhD, chair of geology in the UB College of Arts and Sciences. "After the satellite makes it into orbit, there is a commissioning period. This is when people will be checking to make sure that the satellite is making accurate measurements."

Csatho - one of hundreds of scientists and engineers who worked on the mission - will be at Vandenberg Air Force Base in California for the September launch of NASA's Ice, Cloud and land Elevation Satellite-2 (ICESat-2).

From 2011-14, she led the Science Definition Team that helped determine the satellite's scientific requirements, such as the precision of the laser-based research instrument on board.

Once in orbit, ICESat-2 is expected to be a vital tool in understanding the impacts of climate change. The satellite will use laser pulses to measure the elevation of the surface of the Earth, covering the Arctic and Antarctica in detail every 91 days - data that will enable scientists to calculate the changing thickness of ice sheets, glaciers and sea ice.

This work will address important questions in a warming world. For example: How much will sea level rise in coming years? How will coastal communities be affected, from remote island nations like Tuvalu to huge metropolises like Shanghai, Rio de Janeiro and New York City?

"In the past few years, there have been changes in ice sheet behavior, especially in elevation, which is connected with sea level rise," says Anton Schenk, PhD, UB research professor of geology, who will be heading to California with Csatho to witness the ICESat-2 launch. "Are these changes temporary or permanent, and where are they happening? Our work is all about trying to find trends in the data."

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NASA launching Advanced Laser to measure Earth's changing ice
Washington DC (SPX) Aug 23, 2018
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