c2cf11fa-7dfa-4a54-81cf-d7762de4548c urn:uuid eng UTF-8 nonGeographicDataset nonGeographicDataset 2025-11-17T07:57:02 creation ISO 19115 2016 Sea Ice Observations from the Nathaniel B Palmer c2cf11fa-7dfa-4a54-81cf-d7762de4548c 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 {"type": "Polygon", "coordinates": [[[179.0, -77.0], [-128.0, -77.0], [-128.0, -67.0], [179.0, -67.0], [179.0, -77.0]]]} -128.0 179.0 -77.0 -67.0 ACE/CRC AIR TEMPERATURE AMD AMD/AU ASPECT > Antarctic Sea Ice Processes and Climate CEOS CLOUD COMMENTS DATE EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEPTH/THICKNESS EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE FLOES EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TYPES EARTH SCIENCE > CRYOSPHERE > SEA ICE > PACK ICE EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION FILM COUNTER FRAME COUNTER FOR FILM GEOGRAPHIC REGION > POLAR LATITUDE LONGITUDE OCEAN > SOUTHERN OCEAN OPEN WATER R/V NBP > R/V Nathaniel B. Palmer RECORD SEA ICE CONCENTRATION SEA ICE FLOE SIZE SEA ICE SNOW COVER SEA ICE THICKNESS SEA ICE TOPOGRAPHY SEA ICE TYPE SEA TEMPERATURE SHIPS SNOW THICKNESS SNOW TYPE TIME TRACK VIDEO RECORDER COUNTER VISIBILITY CODE VISUAL OBSERVATIONS WEATHER CODE WIND DIRECTION WIND VELOCITY DOWNLOAD SOFTWARE documentDigital Download point for sea ice software HTML GET DATA documentDigital Download point for the data - log files, postscript files, excel files. HTML PROJECT HOME PAGE documentDigital ASPECT website HTML VIEW RELATED INFORMATION documentDigital Download the ASPECT Report - A Technique for Making Ship-Based Observations of Antarctic Sea Ice Thickness and Characteristics HTML VIEW RELATED INFORMATION documentDigital Readme file containing instructions on how to use the log files and software. HTML VIEW RELATED INFORMATION documentDigital Citation reference for this metadata record and dataset HTML Creative Commons by Attribution logo documentDigital PNG