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DTSTART;TZID=Europe/Rome:20260226T043000
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SUMMARY:The Hub Talks: The Science and Technology behind Spaceborne Doppler velocity measurements
DESCRIPTION:Abstract: The Earth Cloud\, Aerosol\, and Radiation Explorer (EarthCARE) 94-GHz Cloud Profiling Radar (CPR)\, is the first spaceborne Doppler radar that provides coincident measurements of reflectivity and Doppler velocity\, opening the path to quantifying vertical air motions and hydrometeor sedimentation velocities from space. The coming decade will feature several additional space-borne missions including the NASA-Investigation of Convective Updrafts (INCUS) and the JAXA-NASA Atmosphere Observing System (AOS) Precipitation Measurement Mission (PMM) and the ESA Wind Velocity Radar Nephoscope (WIVERN) explorer mission. Despite being deployed hundreds of kilometers above the Earth’s surface\, these planned missions are expected to offer unprecedented measurement capabilities\, that in many ways will be superior to those available today from suborbital platforms. Furthermore\, the convection measurement capabilities from the different planned space missions are based on different measurement techniques and are applied at different resolutions and detection limits. As such\, they will provide highly complementary insights into the different parts and processes of the spectrum of convection. Here\, we will review the scientific importance these measurements in cloud and precipitation studies and the technical challenges and approaches utilized by the different missions. \n\n\n\nShort bio: Pavlos Kollias received the B.Sc. and M.Sc. degrees in Physics and Environmental Physics from the University of Athens\, Athens Greece in 1994 and 1996 respectively and the Ph.D degree in meteorology from the University of Miami\, Miami FL in 2000. He is currently a SUNY Empire Innovation Professor at the School of Marine and Atmospheric Sciences at Stony Brook University – SUNY and has a joint appointment with the Environmental Science and Technologies Department at Brookhaven National Laboratory. He is also Adjunct Professor at the Department of Atmospheric and Oceanic Sciences at McGill University\, Canada and Global faculty at the University of Cologne Germany. Kollias was a prestigious Canada Research Chair and Professor at McGill University\, Montreal Canada from 2007 to 2016. \n\n\n\nKollias has spent twenty-five years at the cutting edge of atmospheric experimentation. Kollias is internationally recognized as one of the leading thinkers in the use of radars for the study of atmospheric phenomena. He has authored and co-authored over 230 peer-reviewed scientific articles\, and he is the recipient of a Humboldt Research Fellowship from Germany in 2013 and of the AGU Atmospheric Sciences Ascent Award in 2020.
URL:https://sciencehub.esa.int/event/the-hub-talks-the-science-and-technology-behind-spaceborne-doppler-velocity-measurements/
CATEGORIES:Science Talks
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