AARI summary of GDSIDB data holdings (by May 2000)
(see graphic samples in 'Data series' section or use [Java-browser])


Area Covered
Time interval
Originator
Format
Notes
Arctic
[Java browser]
1950-1992, every 10 days Russian Federation, Arctic and Antarctic Research Institute SIGRID-1,2;
EASE GRID1)
Discontinuous in time and space
Arctic
[Java browser]
Antarctic
[Java browser]
1972-1994, every 7 days

1973-1994, every 7 days


US National Ice Center
SIGRID-1;
EASE GRID
Preliminary revised and corrected version
(version 03/1999)
Sea of Okhotsk
[Java browser]
1971-1999,
every 5 days
Japan Meteorological Agency SIGRID-1,2;
EASE GRID
Total concentration only
Baltic Sea
[Java browser]
1960-1979,
every 3-4 days
Baltic Sea Ice Meetings, jointly SMHI and FIMR  SIGRID-1; 
Baltic Sea Ice Code;
EASE GRID
Land mask different from NIC
Gulf of Newfoundland 
Hudson Bay
Arctic

Canadian Eastern 
Seaboard
Eastern Arctic
Western Arctic
Hudson Bay
[Java browser]

1962-1982
1962-1983
1959-1980
all every 7 days

1968 to 1998
1968 to 1998
1968 to 1998
1971 to 1998
all every 7 days


 
 

Canadian Ice Service


SIGRID, 60 resolution
 
 

SIGRID, 15  
resolution ArcInfo .e00 format in WMO-code


Starting point not included
 

High resolution raster SIGRID and vector ArcInfo sea ice data

Local areas 
near Greenland
1990 (sample) Danish Meteorological Institute In original gridded format (.xls table)  May be translated 
to SIGRID
Weddell and 
Bellingshausen Seas
1998- to present moment Argentine Navy Hydrographic Service Point observations in WMO code in .db format 
-
1) Conversion from SIGRID into EASE-grid carried out by the AARI part of GDSIDB.


Latest contributions to GDSIDB data holdings (September 1998 May 2000)


  Institute  Region  Time interval Notes
1. Arctic and Antarctic Research Institute Arctic 1950-1952
1953-1966 (extended)
1991-1992
SIGRID-1, 10-days period,
discontinuous in time and space 
2. US National Ice Center reprocessed Arctic 
reprocessed Antarctic
1972 1994
1973 1994
SIGRID-1,
7-days period 
3. Japan Meteorological Agency Sea of Okhotsk Winters 1997/1998 and 98/99 SIGRID-2
4. Baltic Sea Ice Meetings, jointly SMHI and FIMR Baltic Sea 1960-1979 3-4 days period, SIGRID-1; 
Baltic Sea Ice Code
5.  Canadian Ice Service Gulf of Newfoundland 
Hudson Bay
Arctic

Canadian Eastern Seaboard Eastern Arctic 
Western Arctic 
Hudson Bay

1962-1982
1962-1983
1959-1980

1968 to 1998
1968 to 1998
1968 to 1998
1971 to 1998

SIGRID, 60 resolution
 
 

SIGRID, 15 resolutionArcInfo .e00 format in WMO-code

6.  Danish Meteorological Institute Local areas near Greenland 1990 (sample) In original gridded format 
7. Argentinean Navy Hydrographic Service Weddell and Bellingshausen Seas 1998- to present moment Point observations in WMO code in .db format 
Anticipated data sets to be contributed by GDSIDB members, 2000-2002
  Institute  Region  Time interval Exchange date/notes
1. AARI Antarctic 1971-1990 
(10-days period)
When the data are available for WDC-B
2. Argentinean Navy Hydrographic Service Weddell and 
Bellingshausen Seas
App. 1982 to 1990, point observations

Current observations
 

2001-2002

Point observations in NIC-code in .db format, submitted with weekly interval to NSIDC and AARI ftp-servers

3. Australia (within the ASPeCT project) Antarctic, en-route and pointal observations 1980-1997 In WMO code
4. BSIM (jointly SMHI and FIMR) Baltic Sea 1980 1998, 3-4 days interval

1999 - 2000

SIGRID

By 2002, exchange formats will be determined by ad-hoc group

5. CIS Canadian Arctic 1999- ongoing data forward in time Exchange formats will be determined by ad-hoc group
6. China, State Oceanic Administration  Bohai Sea 1968 up to present

1952/53 up to present

 

0,1° by 0.1° grid, total and partial concentrations and stages of development
maximum annual extent

to be submitted before the next meeting

7. DMI Greenland waters March 1999 March 2000 December 2000, exchange formats will be determined by ad-hoc group 
8. Germany, Federal Maritime and Hydrographic service (BSH) Baltic Sea(south of 56°N and to the west of 14 20) 1960-1982 and updates to be determined
9. Icelandic Meteorological Office Icelandic waters to be determined to be determined
10. JMA Sea of Okhotsk ongoing data forward in time Once a year in SIGRID-2 format
11. NIC Arctic and 
Antarctic

Arctic
Antarctic

Arctic
Antarctic

1972 1994, 7-days period
1973 1994, 7-days period

1995 1996
1995 1997

1996 - till present
1998 till present

Final version is anticipated by mid-2000 in SIGRID, EASE-GRID and ArcInfo e00-format

need to be converted to standard format and undergo QC before submission

ArcInfo e00-format, available on-line via NIC web-site, exchange formats will be determined by ad-hoc group