1. Plans for 3 rd IWGGMS Tatsuya Yokota National Institute for Environmental Studies

2. International Workshop on Greenhouse Gas Measurements from Space (IWGGMS)  The 1 st workshop  Date: April, 22-23, 2004  Venue: JAXA/EORC, Tokyo, Japan  Local Organizer: Tamotsu Igarashi (JAXA/EORC)  Supervisor: Haruhisa Shimoda (JAXA/EORC, Tokai Univ.)  The 2 nd workshop  Date: March 24-25, 2005  Venue: CalTech, Pasadena CA USA  Local Organizer: David Crisp (JPL)  Administrative Assistant: Mirna Roach

3. 1st IWGGMS  April 22, 2004  10:00-10:10 : Welcome speech : Mr. Otsuki ( EORC, JAXA)  1. Retrievals  10:10-10:40 : OCO : D. Crisp  10:40-11:10 : GOSAT （ Short wave ） : TBD (NIES)  11:10-11:40 : GOSAT （ Thermal ） : R. Imasu (CCSR, Univ. Tokyo)  2. Programmatic session  11:40-12:10 : GOSAT Science Objective ： Y. Yasuoka (University of Tokyo)  12:10-13:30 lunch break  13:30-14:00 : GOSAT Instrument : A. Kuze (JAXA)  14:00-14:30 : OCO Instrument : D. Crisp (JPL)  14:30-15:00 : Clouds & aerosol sensor for GOSAT : H. Shimoda  15:00-15:20 break  3.Other products  15:20-15:50 : Research data products using thermal IR FTS : M. Suzuki, H. Kobayashi, H. Shimoda, T. Igarashi, T. Ogawa (EORC, JAXA)  4. General discussions  15:50-17:00 : general discussions  April 23, 2004  5. CAL/VAL  10:30-11:00 : GOSAT Cal/Val plan : M. Watanabe, M. Suzuki (EORC, JAXA)  11:00-11:30 : GOSAT Airborne Simulator : A. Kuze (JAXA)  6. Line parameters  11:30-12:00 : Problems in CO2 absorption line parameters : M. Fukabori (MRI)  12:00-12:30 : Overview of line parameter study in JPL : D. Crisp  12:30-12:40 : Closing Remarks : T. Ogawa (EORC, JAXA)

4. 2nd IWGGMS

6. International Workshop on Greenhouse Gas Measurements from Space (IWGGMS)  The 3 rd workshop (plan)  Date: May, 30 (Tue) – 31 (Wed), 2006  Cf. GOSAT symposium for general audiences: May 29 (Mon), 2006 at Akihabara in Tokyo, Japan  Venue: Tsukuba Center for Institutes, Tsukuba, Japan International Conference Hall (170 persons)  Local Organizer: TBD (Yoshifumi Yasuoka (GOSAT Chief Sceintist, Univ. of Tokyo), or Tatsuya Yokota (NIES))  Administrative Assistant: TBD (Miyuki Uchida (GOSAT Science Team Secretariat)

7.  Near from Tsukuba Center  5 min. from JAXA, 10 min. from NIES by car  1 hour from Tokyo (Express bus.), and from Akihabara, Tokyo (Tsukuba Express Line)

8.  5 min. walk from the Hotel Okura Frontier Tsukuba

9. Purposes & topics  1. To give a chance for discussions by researchers  2. Share the knowledge among participants  3. To seek the possibility of collaboration  Topics:  Sensor status  Sensitivity and error analyses  Forward model and retrieval  Spectroscopic line parameters  In situ measurements  Source/Sink modeling  Calibration/Validation  Future measurement  …

10. We are looking forward to seeing you at Tsukuba in May, 2006 …