These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format.
National program: Australia Vessel: Nathaniel B. Palmer Dates in ice: 22 Mar 1995 - 21 Apr 1995 Observers: Andrew Watkins
Summary of voyage track: Complicated voyage track between 146E - 169E.
The fields for 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
Each parameter is assigned a data quality flag as defined below:
Flag 1: Error free Flag 2: Dubious. Non-specific errors Flag 3: Known errors exist that can be fixed Flag 4: Known errors exist that cannot be fixed Flag 5: No data - not observed Flag 6: Data in analog format only
Time and position: 1 Total ice concentration: 1 ... Open water: 1 Pri ice concentration: 1 Pri ice type: 1 Pri ice thickness: 1 Pri floe size: 1 Pri topography: 1 Pri snow type: 1 Pri snow thickness: 1 Sec ice concentration: 1 Sec ice type: 1 Sec ice thickness: 1 Sec floe size: 1 Sec topography: 1 Sec snow type: 1 Sec snow thickness: 1 Ter ice concentration: 1 Ter ice type: 1 Ter ice thickness: 1 Ter floe size: 1 Ter topography: 1 Ter snow type: 1 Ter snow thickness: 1 Air temperature: 6 Water temperature: 6 Wind speed: 6 Wind direction: 6 Cloud: 6 Current weather: 6 Visibility: 6 Video reading: 6 Photo (film no.): 6 Photo (frame no.): 6 Comments: 6
These data are publicly available for download from the provided URL. Note that to use the original log files, you will also need to download the provided software in order to extract the data.
Authors should acknowledge use of the ASPeCt data archive - "The ship-based sea ice and snow thickness data were provided by the SCAR Antarctic Sea Ice Processes and Climate (ASPeCt) program (aspect.antarctica.gov.au)".
"Sea Ice Observations from the Nathaniel B Palmer 95-2" is licensed under a Creative Commons Attribution 3.0 Unported License.