GCOM missions

Haruhisa Shimoda

doi:10.1117/12.713122

30 November 2006 GCOM missions

Haruhisa Shimoda

Proceedings Volume 6407, GEOSS and Next-Generation Sensors and Missions; 640708 (2006) https://doi.org/10.1117/12.713122
Event: SPIE Asia-Pacific Remote Sensing, 2006, Goa, India

Abstract

ADEOS II was launched on Dec., 2002. However, after about 10 months operation, it has lost most of its power due to the solar paddle failure. As a follow on of ADEOS II mission, JAXA is now planning GCOM mission which is composed of a series of satellites. They are now tentatively called GCOM-W and GCOM-C satellites. Both satellites are composed of 3 satellites with 5 year lifetime. Hence, 13 years of continuous observation can be assured with 1 year overlaps. The first satellite of GCOM-W will be launched in fiscal 2010 while the first one of GCOM-C will be launched in fiscal 2011. GCOM-W will carry AMSR F/O (tentatively called as AMSR2). AMSR2 will be very similar to AMSR on ADEOS II and AMSR-E on EOS-Aqua with some modifications. The orbit of GCOM-W is 700km altitude and 13:30 ascending node time (TBD) to continue the AMSR-E observation. GCOM-C will carry GLI F/O (tentatively called as SGLI). The SGLI will be rather different from GLI. The main targets of SGLI are atmospheric aerosols, coastal zone and land. In order to measure aerosols over both ocean and land, it will have an ultra violet channel, as well as polarization and bi-directional observation capability. For, coastal zone and land observation, the IFOV of SGLI for these targets will be around 250m. The instrument will be composed of several components. The shorter wavelength region will adopt push broom scanners, while long wave region will use a conventional whisk broom scanner. The orbit of GCOM-C is the same to that of ADEOS II, i.e. around 800km altitude, and 10:30 descending node time.

Citation Download Citation

Haruhisa Shimoda "GCOM missions", Proc. SPIE 6407, GEOSS and Next-Generation Sensors and Missions, 640708 (30 November 2006); https://doi.org/10.1117/12.713122

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