1. State Oceanic Administration (SOA) and HY-2 Outline HY-1B(SeaWifs type) launched and is functioning HY-2(Jason type) SOA’s new ocean data assimilation system is ready;

3. Chinese ocean monitoring satellite HY-1B was launched April 11, 2007. Images are released daily now. Data will be free, but need to apply, then via FPT to access. 2007,8.1 HY-1B

4. Objects: Global Ocean Wind Field monitor and Service for Ocean Environment Forecast Global Ocean Topography Data, Sea Level and Gravity Field monitor and its Application Wave Field monitoring and Reduce Disaster All weather Sea Surface monitor and forecast the El Niño Sea Ice monitoring HY-2 series satellite

5. PayloadMonitor Parameters Scatterometer Altimeter Radiometer Sea Surface Wind Sea Surface height, Significant wave height, Gravity field and Ocean Circumfluence Sea Surface Temperature Secondary Parameter: Sea Level,Sea wind speed, Sea Ice and Vapor content HY-2 series satellite Monitor Parameter

6. Some selected characters of HY-2 SSH: precision: 4-5cm Wind speed: range: 7-50m/s precision: 2m/s or 10% SST: range: 100-300K precision: 1.0K Ice: edge: 15% thickness: 2m Vapor: precision: 10% Repeat Cycle: two phase: 14days and 168days Life: more than 3years

7. HY-2 progress Project approved in Feb. 2007; Project officially started in April 2007; Launch date is determined: 2009. 20022007200920122013201520172019 HY-1 HY-1A failed HY-1B working HY- 1C/D HY- 1E/F HY-1G/H HY-2 HY-2AHY-2BHY-2CHY-2D HY-3 HY-3AHY-3B The Schedule of Chinese Ocean Satellites

8. SOA’s new ocean data assimilation system SOA’s National Marine Environmental Forecast Center (NMEFC) will start an operational ocean analysis system later August, 2007. The main features of system are Domain: Tropic Pacific Input data: altimetry, XBT and Argo Data assimilation scheme: 3DVAR, multivariate (T and S) OGCM: 1 by 2 degree and 14 layers Product: 3D T, S, U, V; period: 2001-now Availability of the product: will be available soon from internet This NMEFC operation system was originally developed by the Institute of Atmospheric Physics (IAP), Chinese Academy. Through a two-year phase of transit, NMEFC and IAP collaborated and put it into operation.

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