1. 0 IAC2009@Daejeon, Republic of Korea Japan’s Earth Observation Programs ~ for the Challenge of Climate Change ~ October 11, 2009 Masanori Homma Executive Director Japan Aerospace Exploration Agency

2. 1 Japanese Basic Plan for Space Policy 5 Systems for utilization Ａ． Land and Ocean Observing Satellite System to contribute to Asia and other regions Ｂ． Global Environmental Change and Weather Observing Satellite System Ｃ． Advanced telecommunication Satellite System Ｄ． Positioning Satellite System Ｅ． Satellite System for National Security

3. 2 Long-Term Plan of JAXA Earth Observation Targets2006200720082009201020112012201320142015201620172018 Disasters & Resources Climate Change & Water Water Cycle Climate Change Greenhouse gases Phase A On orbit Extension Mission status [Land and Disaster monitoring] GPM/DPR Aqua/AMSR-E GCOM-C1/ SGLI [Vegetation, aerosol, cloud, SST, ocean color] [Cloud and Aerosol 3D structure] [CO 2, Methane] TRMM/PR GCOM-W1/ AMSR2 [Wind, SST, Water vapor] Phase B~ [Precipitation] [CO 2, Methane] GCOM-W2 GOSAT-2 ALOS-3 Optical ALOS-2 SAR ALOS/PALSAR ALOS/PRISM AVNIR2 ALOS Earth CARE/CPR GCOM-C2 GOSAT TRM M Pre-Phase A AQUA 250m, multi-angle, polarization

4. 3 Future marine exploration technology ・ Global environment problem ・ GHG ・ Understand of weather anomaly and climate change Earth Observation GOSAT ALOS GPM/DPRGCOM Cloud Aerosol GHG Quasi- Zenith Satellite Ocean colour Rainfall ・ Marine exploration under ocean bottom ・ Resource exploration by satellite and marine probe Marine exploration Deep sea drilling Vegetation Positioning ・ Disaster monitoring of earthquake, heavy rain etc. ・ Trench giant earthquake Disaster Monitoring Ocean wind SST Integration of observation data Users Integrated dataset Policy making Data Integration & Analysis Research institutes Ministry and agency 緯度 経度 時間 “Integrated Marine Exploration and Earth Observation System” Establishment of a fundamental system for Earth observation, disaster monitoring and marine exploration system as a national key technology for Japanese national security

5. 4 GCOM-WGCOM-C Orbit Type : Sun-synchronous, sub-recurrent Altitude : 699.6 km Inclination : 98.19 degrees Local time of ascending node : 13:30 Type : Sun-synchronous, sub-recurrent Altitude : 798 km Inclination : 99.36 degrees Local time of ascending node : 10:30 Satellite overview Mission life 5 years Launch vehicle H2A launch vehicle Mass 2000kg (AMSR follow-on 340 kg and Sea Winds 240 kg included) 1800 kg (SGLI 460 kg included) Instrument AMSR 2Global Imager follow-on instrument (SGLI) Launch (target)JFY 2011JFY 2013 Global Change Observation Mission Establish and demonstrate the global and long-term Earth observing system (contribute to GEOSS) Contribute to improving climate change prediction in concert with climate model research institutions Main Mission

6. 5 GCOM Cooperation with NPOESS and METOP 10:30 / 09:30 13:30 05060708 09 11121314151617181920212223242510 SSM/IS AVHRR AVHRR/3 MIS AMSR-E MODIS J U E J U E AVHRR/3 DMSP-F16DMSP-F18 Aqua NOAA-NNOAA-N’ NOAA-M AVHRR/3 AVHRR/3+ METOP A METOP B METOP C METOP D SGLI GCOM-C1 GCOM-C2 GCOM-C3 AMSR2 GCOM-W1 GCOM-W2 GCOM-W3 Passive Microwave RadiometerVisible/Infrared Imager LTAN/LTDN OLCI, SLST Sentinel-3A Sentinel-3B VIIRS NPP NPOESS-C3 NPOESS-C1 MODIS Terra Sensor Pre- NPOESS/METOP/GCOM Aft- NPOESS/METOP/GCOM Pre- NPOESS/METOP/GCOM Aft- NPOESS/METOP/GCOM GCOM-C/SGLI data will help fill a current gap in the NPOESS/VIIRS morning orbit, in conjunction with METOP+Sentinel. GCOM-W/AMSR2 data will complement NPOESS/MIS global microwave radiometry data.