1. Data policy, management and sharing plan in MAHASRI Jun MATSUMOTO JAMSTEC-IORGC / Tokyo Metropolitan University Kooiti MASUDA JAMSTEC-FRCGC Hideyuki KAMIMERA JAMSTEC-IORGC Yasushi AGATA The University of Tokyo Kiyotoshi Meteorological Research Institute April 24, 2007 AMY08 Workshop, Beijing China

4. Indochina has been a data sparse region in monsoon Asia

5. Routine Obs. Stations in Ver. 2 http://hydro.iis.u-tokyo.ac.jp/GAME-T/GAIN-T/index.html http://gain-hub.mri-jma.go.jp We have collected quite good data for Indochina

12. Hans-Jörg Isemer, International BALTEX Secretariat, isemer@gkss.de CEOP Reference Sites Data Release Guidelines Data exchange guidelines: (3) Data users: No transfer to third parties. (4) Data release to data users: Turn-around period. Category 1 data: 6 months; Category 2 data: 15 months (2) CDA and data users: Commercial exploitation of CEOP data is prohibited. (1)To comply with WMO Resolutions 40 (CG-XII) and 25 (CG-XIII) in particular: No financial implications. (5) Acknowledgement and citation (6) Co-Authorship for Reference Sites’ PIs recommended, collaboration base required if PI requests co-authorship (in particular for category 2 data) (7) CEOP Publication Library at CDA

13. Proposal for the basic policy of MAHASRI data (1)To comply with WMO Resolutions 40 (CG-XII) and 25 (CG-XIII) : Free and unrestricted international exchange of the basic data, but some restrictions for the user community maybe added when requested by data provider (2)No commercial use (3)No transfer to the third party (4)Acknowledgement and citation (5)Co-authorship in case data provider requesting

14. Working group chairs and members nominated on January 10, 2007 ● Data archiving and management: Kooiti Masuda (Japan), Yasushi Agata (Japan), Tam (Korea), Preveen (India), Suphawut(thailand), (ask Wu for China), Fadli Syamsudin (Indonesia), (ask Nakazawa for JMA/MRI), Higuchi (Japan) ● AMY : Wu Guoxiong (China), Jun Matsumoto (Japan), T.C. Chen, (Dong? CMA), G.S. Bhat, (r.c. bhatia,dg,imd? IMD), Nguyen Thi Tan Thanh (Vietnam), Moten Subramanium (Malaysia), Somchai Fadli (Indonesia), Karmakar (Bangladesh), Shrestha (Nepal), (PAGASA), Azzaya (Mongolia), Korea (ask Tam)

15. Categories of MAHASRI-related data with respect to data disclosure ● Globally open data (cf. open source software) – Public domain (no rights reserved), or – Rights reserved but use & exchange unrestricted ● Public-purpose data: for non-commercial use – (not uniform about conditions for commercial use) ● Intra-MAHASRI data: shared by members – (not recommended in the context of WCRP) – Decision delegated to a specific DAAC. – Only in disputes IMASSC weighs in. ● Pre-release data: restricted by the provider – Just for a pre-determined moratorium period

16. Types of MAHASRI data ● CEOP reference site data (CEOP policy) – Automatic weather stations (AWS), etc. – Mutual commitment with NWP, strict deadline ● “Semi-reference-site data” – AWS etc. Not rigidly following CEOP policy. ● Operationally (real-time) exchanged data – Synoptic (SYNOP), radiosonde (TEMP), etc. ● Quality-controlled version of oper. data – Daily precipitation, SYNOP, radiosonde ● Intensive observations (exp. + oper.) ● Simulation output, Assimilation product