December 11, 2017

December 11, 2017

Kolassa and Liang are lead authors and Strahan as second author on Recent Publications

On November 17, 2017, Jana Kolassa (610.1/USRA) was the lead author of an article titled “Data Assimilation to Extract Soil Moisture Information from SMAP Observation” published in Remote Sensing. “In this study, we compared different SMAP observation assimilation methods, with particular focus on different bias correction techniques. We found that using global bias correction techniques can result in a more efficient assimilation of SMAP observations where these are reliable, but also leads to larger adverse effects where observations are unreliable. Our results also showed that the assimilation of different SMAP products results in similar model skill improvements when similar assimilation techniques are used.”

Three weeks later, on December 8, 2017, a Science Perspective article by Qing Liang (614/USRA), Susan Strahan (614/USRA) and Eric Fleming (SSAI) titled “Concerns for Ozone Recovery” was published in the journal Science. Their article is focused on ozone-depleting substances as well as the idea that “A greater concern for ozone layer recovery is incomplete compliance with the Montreal Protocol, which will impact stratospheric ozone for many decades, as well as rising natural emissions as a result of climate change.”


NASA Goddard Space Flight Center, in Greenbelt, Maryland, has been in operation for 50 years -- chartered on May 1, 1959. The Goddard Space Flight Center is a major U.S. laboratory for developing and operating unmanned scientific spacecraft. During the past 50-years, Goddard has been at the forefront in exploration, in technological achievement, in space science, and in studying the Earth as a system.


GESTAR conducts research collaboratively, mainly within NASA GSFC's Earth Sciences Division, but also with Solar Systems Exploration Division, Office of Education, and Office of Public Affairs. Scientists and staff at GESTAR, in collaboration with NASA and other investigators, conceive and develop new, space-based missions; provide mission requirements; conduct research that explains the behavior of Earth and other planetary systems; and create engaging media that tell NASA's story of exploration and discovery on Earth and beyond.


Universities Space Research Association (USRA) is an independent, nonprofit research corporation where the combined efforts of in-house talent and university-based expertise merge to advance space science and technology. USRA works across disciplines including biomedicine, astrophysics, and engineering and integrates those competencies into applications ranging from fundamental research to facility management and operations. USRA engages the creativity and authoritative expertise of the research community to develop and deliver sophisticated, forward-looking solutions to Federal agencies and other government sponsors.