THE KOBE COLLECTION

THE KOBE COLLECTION
Yasuhiro MINAMOTO
Office Of Marine Prediction
Marine Division
Climate And Marine Department
Japan Meteorological Agency
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What is the Kobe
Collection?




collected by the Kobe Marine
Observatory
period 1890-1961
observed by merchant ships,
fishing boats, and research
vessels.
amount 6.8 million.
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Sample of Log sheet (by merchant ship)
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Digitization projects
 not available
about 1.0 million
 Joint Project with NOAA.
(1960-1961)
after 1933, about 2.7 million
rest →
 Joint Project with Nippon Foundation and JWA
(1995- continue)
before 1932, about 3.1 million,
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Progress of Digitization
2500000
2000000
1500000
1000000
QC incomplete
500000
↓
0
FY1995 FY1996 FY1997 FY1998 FY1999 FY2000
Rest
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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 1920-1929
COADS Release1 (1985)
COADS Release1c (2001)
COADS R1 +Kobe(1998)
COADS R1c +Kobe2001
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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
Flag
0
1
2
3
4
5
9
No QC
Correct
Inconsistent with other elements
Doubtful
Erroneous
Changed as a result of QC
missing
example: SST
< 37℃
> -2℃
SST :ratio of flag 2,3 and 4 is about 2%
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Meta data : barometer height
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Sea Surface Temperature (4S,150W-4N,80W)
Cloud amount anomaly (10N,110E-20N,140E)
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the progress schedule
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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 1903-1944
collected by the Imperial Japanese NAVY
observed by Navy vessels.
amount 5.0 million.

JMA is converting these Navy data from micro
films to magnetic media.
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END
Thank you for your attention
You can get copies of “the Kobe collection” CD-ROM 2001
edition on the table behind the door.
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