Cloudsat

CloudSat-GPM Coincidence Dataset Version 1C

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07/25/2016

Owing to the Global Precipitation Measurement (GPM) core satellite’s unique asynchronous orbit, its orbital ground tracks intersect the orbital tracks of many other sun-synchronous satellites. Of particular interest are the intersections (coincidences) between the GPM core satellite and the 94-GHz (W-band) CloudSat profiling radar (CPR), within small enough time differences, such that the combination of the resulting “pseudo three-frequency” radar profiles (W-band from CPR, and Ku/Ka-band from GPM), and the 13-channel (10-183 GHz) GMI radiometer are useful for many scientific purposes.

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GPM and Cloudsat Researchers Meet in Helsinki to Discuss LPVEx Data

GPM and CloudSat ground validation researchers are currently meeting at the University of Helsinki to discuss  strategies for analyzing airborne and ground-based datasets from the Light Precipitation Validation Experiment (LPVEx) field campaign. This data analysis will help improve satellite-based precipitation retrievals in high latitude light rain and snowfall events.

NASA GPM/PMM Participation in the Canadian Cloudsat / Calipso Validation Project (C3VP): Physical Process Studies in Snow

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A complete understanding of the Earth’s hydrologic cycle necessarily dictates an ability to accurately quantify the global range of precipitation rates and types (rain, snow etc.). In turn, global observations of precipitation are most efficiently made from space. Great strides in the measurement of global tropical rainfall have occurred recently as a result of the NASA Tropical Rainfall Measurement Mission (TRMM).

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