1. Marine Surface and Climate Data Gaps in the archives at the National Center for Atmospheric Research for 15 th U.S. – China Marine and Fishery Science and Technology Joint Working Meeting Steven Worley, NCAR 5 March, 2002

2. Outline Previous exchanges and co-operations with the U.S. COADS project Status of Chinese data in the major archives at NCAR Future exchanges

3. Previous Exchanges and Co-operations From China to U.S. –Digitized, U.S. Maury ship logbooks Data for ~1800-1863, 1.3 x 10 6 Observations Now in COADS Minor details –Finished about 1996 –Organizations SOA/NMDIS/CNODC and NOAA/NESDIS/NCDC –Responsible persons Guo Fengyi and Joe Elms

4. U.S. Maury Collection Digitized by China 1.3 M Reports, ~1800 -1863

5. Previous Exchanges and Co-operations From China to U.S. –Digitized, U.S. Marine Meteorological Journals Data for 1878-1894, 1.8 x 10 6 Observations Data to be included in COADS Minor Details –Work began in 1998 –Organizations SOA/NMDIS/CNODC and NOAA/NESDIS/NCDC + NCAR –Responsible persons Mr. Guo Fengyi, Joe Elms and Steven Worley

6. MMJ, 1878-1894, 1.8M reports

7. Previous Exchanges and Co-operations From U.S. to China –Global land surface archive Data for 1967-1998, complete GTS archive Minor Details –Delivered 1997, observations 1967-1997, to Mr. Guo Fengyi –Delivered 1999, obs. extension  1998, to Mr. Guo Fengyi –Responsible person, Steven Worley

8. Previous Exchanges and Co-operations From U.S. to China –COADS Data for ~1800-1997 –155 x 10 6 Observations, and Monthly Statistics –Delivered June 2001 Minor Details –Early deliveries, 1985, 1994, 1997, and 2000 –Generally to Mr. Guo Fengyi –Responsible persons, Steven Worley and Joe Elms

9. Current Status in major NCAR Archives What data of Chinese origin are in the marine surface archives? What is in COADS? –Difficult to assess Ships are not located within political boundaries China did not participate in the WMO Resolution 35 – keyed logbook data to GCC’s –Chinese vessels may report over the GTS Hong Kong is a Res. 35 participant, use as example (an under estimate of what is available)

10. Reports in COADS 1960-1997 Hong Kong

11. Current Status in major NCAR Archives Future data to be added to COADS –Data from the GODAR Project CDROM

12. GODAR Project CDROM Not yet in COADS 1968 – 1993 424K Reports Every 50 th station location is plotted

13. Current Status in major NCAR Archives Future data to be added to COADS –Data sources held at NODC From previous Working Group exchanges Details not available, but needed for accurate assessment in conjunction with COADS –E.g, WG 2000, 1954-1994 marine meteorological data, and fixed buoy data, more?

14. Current Status in major NCAR Archives Land Station Data from China –Upper Air Data –Land Surface Data Global climate system modeling Global atmospheric reanalysis computations Global climate trend studies

15. China Surface Observation and Stations Counts 1944-1980

16. China Land Surface Station Locations, 1976

18. Future Exchanges Proposed Project: Would China digitize more Maury data found in Germany? –Data for ~1845-1867, ~820 Voyages, up to 1x10 6 records (very preliminary estimate) –Minor Details Logbooks moved to Germany during American Civil War? Professor Lin Shaohua (of NMDIS and Coordinator of JCOMM's Data Management Programme Area) has expressed interest in digitization projects Many details need to be worked out (Maybe a combination of MMJ and U.S. Maury strategies) The journal pages have been scanned as images and are (will be) available on CDROM

19. Release 2.0 (dark blue) vs. Release 1 (light blue) reports/year F uture blend candidates: red (undigitized), yellow (partly), green (fully) GODAR 1968-1993, 424K

20. Future Exchanges Data Available from the U.S./NCAR for China Future releases of COADS Possible products from the NCAR archives –http://dss.ucar.edu –SST analyses –NN Reanalysis 1948-2001 –New analyzed products from COADS

21. Valuable data from China not in the U.S. ⇛ More information like the GODAR Project CDROM if not already at NODC ⇛ Pre-1956 and 1965-1966 land surface stations –Station histories and libraries for stations in China ⇛ River flow data for major drainages in China ⇛ Pre-1956 Upper Air stations in China ⇛ Examples of Historical Documentation

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25. End

26. Reports in COADS 1960-1997 Hong Kong Japan Malaysia