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Today, the U.S. Environmental Protection Agency (EPA) announced that two high school seniors earned the agency’s 2022 Patrick H. Hurd Sustainability Award for their research projects at the Regeneron International Science and Engineering Fair (Regeneron ISEF) in Atlanta, Georgia.
MAY 17, 2022 - Today, the U.S.
The application of diffusion theory and Monte Carlo lidar radiative transfer simulations presented in Part I of this series of study suggests that snow depth can be derived from the first-, second- and third-order moments of the lidar backscattering pathlength distribution. These methods are now applied to the satellite ICESat-2 lidar measurements over the Arctic sea ice and land surfaces of Northern Hemisphere. Over the Arctic sea ice, the ICESat-2 retrieved snow depths agree well with co-located IceBridge snow radar measured values with a root-mean-square (RMS) difference of 7.8 cm or 29.2% ...