The Role of Smallsat Radars in the Next Generation Spaceborne Precipitation Observing Systems
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Dr. Pavlos Kollias
Professor of Atmospheric Sciences
Stony Brook University
Monday November 23, 2020, 2 PM
Spaceborne radars such as the NASA’s CloudSat Cloud Profiling Radar (CloudSat-CPR) and the joint NASA/JAXA Global Precipitation Measurements (GPM) mission Dual-frequency Precipitation Radar (GPM-DPR) provide vertical resolved precipitation measurements. Because of their superior sensitivity and resolution, are used as “calibrators” for the passive microwave based observing systems.
This presentation discusses the role radars will play in the next generation of spaceborne precipitation observing systems. First, we briefly review the status of the current precipitation observing systems including their shortcomings. Then future radar systems that could help to address the shallow oceanic and high latitude precipitation gaps are presented. Finally, we touch on the role of constellations of SmallSats radars may play in improving our understanding of key precipitation processes (i.e. diurnal cycle, dynamics, interaction with the environment).
Pavlos Kollias is a Professor of Atmospheric Sciences at Stony Brook University and has a joint appointment with the Department of Environmental and Climate Sciences at Brookhaven National Laboratory since 2016. Previously he was a Canada Research Chair at McGill University, Montreal Canada. Kollias’s research focuses on improving the understanding of cloud-scale microphysical and dynamical processes using remote sensing observations to inform numerical models. He is also interested in radar meteorology and technology, and the development and application of novel phased-array and spaceborne radars in weather and climate research. Kollias is the author or co-author of over 150 peer-reviewed scientific articles and the recipient of a Humboldt Research Fellowship from Germany in 2013 and of the AGU Atmospheric Sciences Ascent Award in 2020.
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