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.

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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