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THE KOBE COLLECTION

Yasuhiro MINAMOTOOffice Of Marine PredictionMarine DivisionClimate And Marine Department Japan Meteorological Agency

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What is the Kobe Collection?

collected by the Kobe Marine Kobe Marine ObservatoryObservatory

period 1890-19611890-1961 observed by merchant ships,

fishing boats, and research vessels.

amount 6.8 million6.8 million.

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Sample of Log sheet (by merchant ship)

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Digitization projects

Joint Project with Nippon Foundation and JWA (1995- continue)

before 1932, about 3.1 million,

Joint Project with NOAA. (1960-1961)

after 1933, about 2.7 million

not available about 1.0 million

rest →

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0

500000

1000000

1500000

2000000

2500000

FY1995 FY1996 FY1997 FY1998 FY1999 FY2000 Rest

Progress of Digitization

QC incomplete↓

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Progress of data distribution

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Progress of data distribution

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data distribution of the Kobe Collection

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Progress of data distribution 1920-1929COADS Release1 (1985)

COADS R1c +Kobe2001COADS R1 +Kobe(1998)

COADS Release1c (2001)

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Digitization procedure

１． Select microfilms and print out.

２． Coding and typing them into interim-file format.

３． Convert to IMMT-1 format (WMO).

４． Quality control by Minimum Quality Control Standard of WMO.

５． Publication in CD-ROM. (2001 edition is latest)

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Quality control

0 No QC

1 Correct

2 Inconsistent with other elements

3 Doubtful < 37℃4 Erroneous > -2℃5 Changed as a result of QC

9 missing

Flag

example: SST

SST :ratio of flag 2,3 and 4 is about 2%

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Meta data : barometer height

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Cloud amount anomaly (10N,110E-20N,140E)

Sea Surface Temperature (4S,150W-4N,80W)

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the progress schedule

The digitization project will be finished FY2003

Convert Data format for historical marine data 　　　 ( IMMT → IMMA)

final CD-ROM will be published in 2004

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Navy data

period 1903-19441903-1944 collected by the Imperial Japanese NAVYobserved by Navy vessels.amount 5.0 million5.0 million.

JMA is converting these Navy data from micro films to magnetic media.

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ENDThank you for your attention

You can get copies of “the Kobe collection” CD-ROM 2001 edition on the table behind the door.