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SUMMARY:Creating a Consistent Microwave Radiometer Observation Dataset for the Global Precipitation Measurement Mission
DESCRIPTION:This event has passed. See the seminar recording here:\n\n \n\n\nDr. Rachael Kroodsma\nNASA Goddard Space Flight Center\nMonday September 9, 2019, 12 PM\nESSIC Conference Room 4102, 5825 University Research Ct, College Park, MD 20740\nAbstract:\nThe Global Precipitation Measurement (GPM) mission relies heavily on its constellation of spaceborne microwave radiometers to obtain precipitation measurements at a high temporal and spatial resolution. These radiometers are on various satellite platforms, designed and built by different countries and agencies. While every effort is made to accurately calibrate these instruments on the ground, there are many factors that impact the instrument’s calibration on orbit in the space environment that cannot be accounted for prelaunch. If not corrected, these calibration errors can have an adverse effect on the precipitation estimates. Furthermore, due to design differences among the constellation members, the radiometers need to be inter-calibrated to a calibration standard to achieve consistent precipitation estimates from the entire constellation. The GPM inter-calibration working group (XCAL) is responsible for analyzing the radiometer calibration and calculating the inter-calibration constants. This presentation will give an overview of XCAL’s recent activities, showing types of calibration errors that have been corrected and how the GPM radiometers are inter-calibrated. It will also include a brief discussion of how calibration differences may impact the precipitation if not corrected.\nBio-sketch:\nDr. Rachael Kroodsma is an assistant research scientist with ESSIC, working at NASA Goddard Space Flight Center with the Precipitation Processing System. She joined ESSIC in 2014 after receiving her PhD from the University of Michigan in Atmospheric, Oceanic, and Space Sciences. Her research interests include microwave radiometer calibration and remote sensing of the atmosphere. As a member of the Global Precipitation Measurement (GPM) inter-calibration working group (XCAL), her primary work focuses on developing inter-calibration techniques and monitoring the calibration of the microwave radiometers in the GPM constellation. She is also instrument scientist for the airborne Conical Scanning Millimeter-wave Imaging Radiometer (CoSMIR), which will participate in the upcoming IMPACTS campaign.\nWebinar info: \nEvent site: http://go.umd.edu/kroodsma ( http://go.umd.edu/kroodsma )\n Event number: 734 228 604\nEvent password: essic\n——————————————————-\nTo join the online event\n——————————————————-\n1. Click here to join the online event.\nOr copy and paste the following link to a browser: \nhttps://umd.webex.com/umd/onstage/g.php?MTID=ec4ff420713f0ffb71d5f3a43c2248a28\n2. Click “Join Now”.\n——————————————————-\nTo join the audio conference only\n——————————————————-\nUS Toll: +1-415-655-0002\nGlobal call-in numbers:\nhttps://umd.webex.com/umd/globalcallin.php?MTID=efbb399fcc25a14f723119abcfcb4cc1b\nAccess code: 734 228 604\n——————————————————-\nFor IT assistance\n——————————————————-\nCazzy Medley: cazzy@umd.edu ( mailto:cazzy@umd.edu )\nTravis Swaim: tswaim1@umd.edu\n\nFollow ESSIC:\nESSIC homepage: http://essic.umd.edu/\nESSIC seminar schedule/archive: http://go.umd.edu/essicseminar\nESSIC seminar site: http://go.umd.edu/essicseminarsite\nESSIC Youtube: http://www.youtube.com/user/ESSICUMD ( http://www.youtube.com/user/ESSICUMD )\nESSIC Twitter: http://twitter.com/ESSICUMD\nESSIC Facebook: http://facebook.com/ESSICUMD\nESSIC seminar coordinator: Dr. John Yang, jxyang@umd.edu\nContact the coordinator for subscribing email announcement or giving a talk\n
URL:https://essic.umd.edu/events/creating-a-consistent-microwave-radiometer-observation-dataset-for-the-global-precipitation-measurement-mission/
CATEGORIES:Fall 2019
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