Tuesday, November 14, 2017, 11:00 am — Conference Room Bldg 815E
Passive microwave observations from satellites are increasingly used for the quantification of cloud and precipitation parameters. The frequencies above 80 GHz are sensitive to the cloud and precipitation frozen phase, and can provide unique information on the ice water path as well as on the size and shape of the hydrometeors. On board the Global Precipitation Measurement (GPM) mission for instance, the Microwave Imager (GMI) includes channels up to 190 GHz for a better estimation of the snowfall, to complement the lower frequency channels that were already present on TRMM (Tropical Rainfall Measuring Mission). The meteorological observations from satellites in the microwave domain are currently limited to below 190 GHz. However, the next generation of the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) Polar System-Second Generation-EPS-SG will carry an instrument, the Ice Cloud Imager (ICI), with frequencies up to 664 GHz, to improve the characterization of the cloud frozen phase.
This presentation will propose an overview of the application of the millimeter wave observations for cloud and precipitation estimation, insisting on the challenges that have to be faced and the methodology developed to exploit this wavelength range.
Hosted by: Mike Jensen
12625 | INT/EXT | Events Calendar
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