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NASA Probes Arctic Sea Ice Melt Causes via Mission Flight

NASA Mission Flies Over Arctic to Study Sea Ice Melt Causes

NASA mission flies over Arctic to study sea ice melt causes

"Improved estimates of smoke exposure during Australia fire seasons: im" by Xu Feng, Loretta J. Mickley et al.

Wildfires can have a significant impact on air quality in Australia during severe burning seasons, but incomplete knowledge of the injection heights of smoke plumes poses a challenge for quantifying smoke exposure. In this study, we use two approaches to quantify the fractions of fire emissions injected above the planetary boundary layer (PBL), and we further investigate the impact of plume injection fractions on daily mean surface concentrations of fine particulate matter (PM2.5) from wildfire smoke in key cities over northern and southeastern Australia from 2009 to 2020. For the first method, we rely on climatological, monthly mean vertical profiles of smoke emissions from the Integrated Monitoring and Modelling System for wildland fires (IS4FIRES) together with assimilated PBL heights from NASA Modern-Era Retrospective Analysis for Research and Application (MERRA) version 2. For the second method, we develop a novel approach based on the Multi-angle Imaging SpectroRadiometer (MISR)

Liftoff! NASA's Pace Soars Into Space Coast Sky – The Long and Winding Road To Launch

NASA’s PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) spacecraft launched on a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station’s Space Laun .