Sea Ice Observations from the Nathaniel B Palmer 98-3

These data describe pack ice characteristics in the Antarctic sea ice zone.These data are in the ASPeCt format.National program: United StatesVessel: Nathaniel B. PalmerDates in ice: 07 May 1998 - 11 Jun 1998Observers: Martin Jeffries, othersSummary of voyage track:7/5 Ice edge at approx. 67S, 1807-22/5 South along 180 to Ross ice shelf at approx 78S22-27/5 West into Terra Nova Bay28/5 - 11/6 Zig zag track to NE through Ross Sea11/6 Ice edge at approx. 66S, 175WThe fields in this dataset are:SEA ICE CONCENTRATIONSEA ICE FLOE SIZESEA ICE SNOW COVERSEA ICE THICKNESSSEA ICE TOPOGRAPHYSEA ICE TYPERECORDDATETIMELATITUDELONGITUDEOPEN WATERTRACKSNOW THICKNESSSNOW TYPESEA TEMPERATUREAIR TEMPERATUREWIND VELOCITYWIND DIRECTIONFILM COUNTERFRAME COUNTER FOR FILMVIDEO RECORDER COUNTERVISIBILITY CODECLOUDWEATHER CODECOMMENTS