These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Australia Vessel: Icebird Dates in ice: 4 Nov 1989 - 2 Dec 1989 Observers: Rob Kiernan, Martin Higham, others Summary of voyage track: 4/11 Ice edge at 58d22mS, 78dE 4-10/11 Steamed SW to approx 60dE 10-23/11 Vessel stuck in pack ice near 60dE 24-28/11 Vessel steamed eastward to near 77dE (Davis station) 30/11-2/12 Vessel steamed north to ice edge at 61d33mS, 82dE The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Australia Vessel: Icebird Dates in ice: 28 Oct 1988 - 23 Nov 1988 Observers: Ian Allison, Steve Warren, Rich Brandt Summary of voyage track: 28/10 Ice edge at 62d37mS, 112d04mE 28-30/10 Steamed toward Casey (110E) 1-6/11 Steamed west to approx 77E 6-12/11 Steamed north-south along approx. 77E 13-18/11 Steamed west to Mawson ice edge (61E) 20-23/11 Steamed north to ice edge at 60d52mS, 66d04mE The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Australia Vessel: Ice Bird Dates in ice: 19 Mar 1988 - 29 Mar 1989 Observers: Jeff Wilson Summary of voyage track: 19/3 Observations started at Davis station 68d11mS 76d23mE 19-25/3 Steamed west from Davis to Mawson 27/3 Some observations north of Mawson toward ice edge The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Germany Vessel: Polarstern Dates in ice: 23 Jan 1994 - 02 Mar 1994 Observers: Unknown (Christian Haas and others ?) Summary of voyage track: 23/1 Vicinity of Adelaide Island 4-19/2 Transect (80W) into Ronne Entrance, around Bryan Coast, transect out to Peter Island (85-90W) 22-25/2 N-S transect at approx. 105W (eastern Amundsen Sea) 27/2 - 2/3 N-S transect at approx. 120W (central Amundsen Sea) The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Germany Vessel: Polarstern Dates in ice: 14 Jan 1997 - 28 Feb 1997 Observers: Unknown (Christian Haas and others ?) Summary of voyage track: 14/1 Ice edge at 69'39S 13'14W 14-31/1 Eastern Weddell Sea to south-eastern Weddell Sea return 1-18/2 Eastern Weddell Sea to western Weddell Sea (Antarctic Peninsular at 60S) 19-28/2 Western Weddell Sea to south-eastern Weddell Sea The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Germany Vessel: Polarstern Dates in ice: 12 Dec 2000 - 22 Dec 2000 Observers: Gerd Rohardt, others Summary of voyage track: North-south sections near the prime meridian from the ice edge to Neumeyer station and back to the ice edge. The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Australia Vessel: Polar Sea Dates in ice: 19 Dec 1998 - 01 Jan 1999 Observers: Tony Worby Summary of voyage track: 19/12 Ice edge at approx. 63S, 140E 19-21/12 From ice edge to coast 22-28/12 Steamed west to approx 177W 28/12 - 1/1 Steamed south into the Ross Sea The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: Germany Vessel: Polarstern Dates in ice: 12 Jun 1992 - 31 Jul 1992 Observers: Unknown (Christian Haas and others ?) Summary of voyage track: 12/6 Ice edge at 60'56S 0W 12-18/6 Transect south down 0W to coast 18/6 - 8/7 Transect SW around coast 8-21/7 Transect to South Orkney Islands 24-31/7 Transect to northern Antarctic Peninsular 31/7 Ice edge at 61'11S 57'45W The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: United States Vessel: Nathaniel B. Palmer Dates in ice: 26 Dec 1999 - 06 Feb 2000 Observers: Steve Ackley, Jackie Ackley, others Summary of voyage track: 26/12 Ice edge at approx. 67S, 180 26/12 - 14/1 Complicated cruise track through the Ross Sea toward SE then NE to 128W 14/1 - 6/2 Back through pack ice toward the west 6/2 Obs completed at Cape Colbeck (157W) The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER HH:MM:SS VISIBILITY CODE CLOUD IN OKTAS WEATHER CODE COMMENTS

These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: United States Vessel: Nathaniel B. Palmer Dates in ice: 07 May 1998 - 11 Jun 1998 Observers: Martin Jeffries, others Summary of voyage track: 7/5 Ice edge at approx. 67S, 180 7-22/5 South along 180 to Ross ice shelf at approx 78S 22-27/5 West into Terra Nova Bay 28/5 - 11/6 Zig zag track to NE through Ross Sea 11/6 Ice edge at approx. 66S, 175W The fields in this dataset are: SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE RECORD DATE TIME LATITUDE LONGITUDE OPEN WATER TRACK SNOW THICKNESS SNOW TYPE SEA TEMPERATURE AIR TEMPERATURE WIND VELOCITY WIND DIRECTION FILM COUNTER FRAME COUNTER FOR FILM VIDEO RECORDER COUNTER VISIBILITY CODE CLOUD WEATHER CODE COMMENTS