2009 Ice Watch Joint Ocean Ice Study (JOIS) Sea Ice Observation Program

The cruise occurred September 16 to October 15, providing a snapshot of ice conditions at the end of the 2009 melt season and a perspective of the start of freeze-up throughout the Beaufort Sea. Caution should be taken in comparing the 2009 to other years (2006-2008), as the 2009 cruise occurred a month later in the season than previous cruises and we experienced the beginning of the freeze season.

Ship-based sea ice observation data collected along the CCGS Louis S. St. Laurent ship track during the early fall season.

本次科考巡航时段为9月16日至10月15日，旨在获取2009年融冰季末期的海冰实况快照，并呈现波弗特海（Beaufort Sea）全域的海冰初冻阶段特征。需注意，不可将2009年的观测结果与2006-2008年的同期数据直接对比：本次2009年巡航的开展时间较过往巡航晚了一个月，且作业时段恰逢海冰初冻期。本数据集为早秋季期间沿CCGS Louis S. St. Laurent号航行轨迹采集的船基海冰观测数据。