17 October 2007 Five years of AMSR-E monitoring and successive GCOM-W1/AMSR2 instrument
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Abstract
Japan Aerospace Exploration Agency (JAXA) has been proposing the Global Change Observation Mission (GCOM). GCOM will consist of two series of medium size satellites: GCOM-W (Water) and GCOM-C (Climate). The mission will take over the Advanced Earth Observing Satellite-II (ADEOS-II or Midori-II). The GCOM-W1 satellite (the first generation of GCOM-W series) was approved by the Space Activities Commission of Japan to proceed to the development phase. Current target of launch date is the beginning of 2012. The Advanced Microwave Scanning Radiometer-2 (AMSR2) is sole mission instrument onboard the GCOM-W1 satellite. Although the simultaneous observation by a microwave scatterometer and AMSR2 is still desired, installation of the scatterometer is not the case at least for the GCOM-W1 satellite. AMSR2 is a successor of the AMSR for the EOS (AMSR-E) provided to the NASA Aqua satellite and AMSR onboard Midori-II with some improvements based on the experiences of AMSR and AMSR-E. They include an improvement of calibration system and an addition of 7.3 GHz channels to help mitigating radio-frequency interference issue. The AMSR-E instrument is still providing continuous data records more than 5-years. Observed brightness temperatures and retrieved geophysical parameters are being widely used for monitoring environmental changes and for applying to the operational applications such as numerical weather forecasting. We expect a long-term continuity by leading the GCOM-W/AMSR2 to the AMSR-E observation.
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Keiji Imaoka, Keiji Imaoka, Misako Kachi, Misako Kachi, Akira Shibata, Akira Shibata, Marehito Kasahara, Marehito Kasahara, Yukiei Iida, Yukiei Iida, Yoshio Tange, Yoshio Tange, Keizo Nakagawa, Keizo Nakagawa, Haruhisa Shimoda, Haruhisa Shimoda, } "Five years of AMSR-E monitoring and successive GCOM-W1/AMSR2 instrument", Proc. SPIE 6744, Sensors, Systems, and Next-Generation Satellites XI, 67440J (17 October 2007); doi: 10.1117/12.740366; https://doi.org/10.1117/12.740366
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