
Proceedings Paper
Development of the DPR algorithms and products for GPMFormat | Member Price | Non-Member Price |
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Paper Abstract
Global Precipitation Measurement (GPM) started as an international mission and follow-on and expand mission of the
Tropical Rainfall Measuring Mission (TRMM) project to obtain more accurate and frequent observations of precipitation
than TRMM. The TRMM satellite achieved ten-year observation in November 2007, and is still operating to measure
tropical/subtropical precipitation. An important goal for the GPM mission is the frequent measurement of global
precipitation using a GPM core satellite and a constellation of multiple satellites. The accurate measurement of
precipitation will be achieved by the Dual-frequency Precipitation Radar (DPR) on the GPM core-satellite, which is
being developed by Japan Aerospace Exploration Agency (JAXA) and National Institute of Information and
Communications Technology (NICT) and consists of two radars, which are Ku-band precipitation radar (KuPR) and Kaband
radar (KaPR). KaPR will detect snow and light rain, and the KuPR will detect heavy rain. In an effective dynamic
range in both KaPR and KuPR, drop size distribution (DSD) information and more accurate rainfall estimates will be
provided by a dual-frequency algorithm. The frequent precipitation measurement every three hours at any place on the
globe will be achieved by several constellation satellites with microwave radiometers (MWRs). JAXA/EORC is
responsible for the GPM/DPR algorithm development for engineering values (Level 1) and physical products (e.g.
precipitation estimation) (Level 2 and 3) and the quality control of the products as the sensor provider. It is also
important for us to produce and deliver frequent global precipitation map in real time in order to make useful for various
research and application areas (i.e., the prediction of the floods).
Paper Details
Date Published: 9 October 2008
PDF: 8 pages
Proc. SPIE 7106, Sensors, Systems, and Next-Generation Satellites XII, 71060S (9 October 2008); doi: 10.1117/12.801875
Published in SPIE Proceedings Vol. 7106:
Sensors, Systems, and Next-Generation Satellites XII
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda; Shahid Habib, Editor(s)
PDF: 8 pages
Proc. SPIE 7106, Sensors, Systems, and Next-Generation Satellites XII, 71060S (9 October 2008); doi: 10.1117/12.801875
Show Author Affiliations
Misako Kachi, Japan Aerospace Exploration Agency (Japan)
Shuji Shimizu, Japan Aerospace Exploration Agency (Japan)
Naofumi Yoshida, Japan Aerospace Exploration Agency (Japan)
Shuji Shimizu, Japan Aerospace Exploration Agency (Japan)
Naofumi Yoshida, Japan Aerospace Exploration Agency (Japan)
Takuji Kubota, Japan Aerospace Exploration Agency (Japan)
Riko Oki, Japan Aerospace Exploration Agency (Japan)
Toshio Iguchi, Japan Aerospace Exploration Agency (Japan)
National Institute of Information and Communications Technology (Japan)
Riko Oki, Japan Aerospace Exploration Agency (Japan)
Toshio Iguchi, Japan Aerospace Exploration Agency (Japan)
National Institute of Information and Communications Technology (Japan)
Published in SPIE Proceedings Vol. 7106:
Sensors, Systems, and Next-Generation Satellites XII
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda; Shahid Habib, Editor(s)
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