Overview of the GCOM-W mission and AMSR follow-on instrument

Keiji Imaoka; Akira Shibata; Naoto Ebuchi; Tamotsu Igarashi; Shigemitsu Fukui; Kazuhiro Tanaka; Toshiyoshi Kimura; Toshihiro Sezai; Yoshio Tange; Haruhisa Shimoda

doi:10.1117/12.631493

20 October 2005 Overview of the GCOM-W mission and AMSR follow-on instrument

Keiji Imaoka, Akira Shibata, Naoto Ebuchi, Tamotsu Igarashi, Shigemitsu Fukui, Kazuhiro Tanaka, Toshiyoshi Kimura, Toshihiro Sezai, Yoshio Tange, Haruhisa Shimoda

Author Affiliations +

Proceedings Volume 5978, Sensors, Systems, and Next-Generation Satellites IX; 597808 (2005) https://doi.org/10.1117/12.631493
Event: SPIE Remote Sensing, 2005, Bruges, Belgium

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.

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Keiji Imaoka, Akira Shibata, Naoto Ebuchi, Tamotsu Igarashi, Shigemitsu Fukui, Kazuhiro Tanaka, Toshiyoshi Kimura, Toshihiro Sezai, Yoshio Tange, and Haruhisa Shimoda "Overview of the GCOM-W mission and AMSR follow-on instrument", Proc. SPIE 5978, Sensors, Systems, and Next-Generation Satellites IX, 597808 (20 October 2005); https://doi.org/10.1117/12.631493

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KEYWORDS

Satellites

Microwave radiation

Climate change

Radiometry

Climatology

Sensors

Terbium

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