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Proceedings Paper

Overview of the GCOM-W mission and AMSR follow-on instrument
Author(s): Keiji Imaoka; Akira Shibata; Naoto Ebuchi; Tamotsu Igarashi; Shigemitsu Fukui; Kazuhiro Tanaka; Toshiyoshi Kimura; Toshihiro Sezai; Yoshio Tange; Haruhisa Shimoda
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Paper Abstract

Japan Aerospace Exploration Agency (JAXA) is proposing the Global Change Observation Mission (GCOM). The GCOM mission will take over the Advanced Earth Observing Satellite-II (ADEOS-II or Midori-II) mission and develop into long-term monitoring. The GCOM mission will consist of two series of medium size satellites: GCOM-W and GCOM-C (these names are provisional). Three consecutive generations of satellites with one year overlap will result in over 13 years observing period in total. Two observing instruments are proposed for the GCOM-W satellite: the Advanced Microwave Scanning Radiometer (AMSR) follow-on instrument and hopefully the scatterometer for measuring ocean vector winds like SeaWinds onboard Midori-II. To keep the continuous observation by AMSR-E on Aqua, the earliest launch date is desired by science community. Current proposed launch year is 2010. The AMSR follow-on instrument will be a multi frequency, dual polarized passive microwave radiometer that observes water-related geophysical parameters supporting the GCOM concept. To keep the earliest launch date, only minimum but essential modifications from AMSR-E are now being examined. Combination of AMSR follow-on instrument and the scatterometer will provide unique opportunity to generate a synergistic effect of the active and passive microwave measurement. This combination can provide some instrument-level advantages including attenuation and scattering correction for scatterometer. Furthermore, simultaneous measurements of water vapor, SST, precipitation, and sea surface winds are effective for investigating various time-space scale phenomena.

Paper Details

Date Published: 20 October 2005
PDF: 8 pages
Proc. SPIE 5978, Sensors, Systems, and Next-Generation Satellites IX, 597808 (20 October 2005); doi: 10.1117/12.631493
Show Author Affiliations
Keiji Imaoka, Japan Aerospace Exploration Agency (Japan)
Akira Shibata, Japan Aerospace Exploration Agency (Japan)
Naoto Ebuchi, Hokkaido Univ. (Japan)
Tamotsu Igarashi, Japan Aerospace Exploration Agency (Japan)
Shigemitsu Fukui, Japan Aerospace Exploration Agency (Japan)
Kazuhiro Tanaka, Japan Aerospace Exploration Agency (Japan)
Toshiyoshi Kimura, Japan Aerospace Exploration Agency (Japan)
Toshihiro Sezai, Japan Aerospace Exploration Agency (Japan)
Yoshio Tange, Japan Aerospace Exploration Agency (Japan)
Haruhisa Shimoda, Japan Aerospace Exploration Agency (Japan)
Tokai Univ. (Japan)

Published in SPIE Proceedings Vol. 5978:
Sensors, Systems, and Next-Generation Satellites IX
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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