中国第27次南极科学考察(2010-2011)南大洋走航海冰密集度与厚度观测数据

海冰密集度是指一定海面范围内，被海冰覆盖的面积比例。海冰厚度即为平整海冰的厚度。由于海冰影响着大气与海洋之间的热量与能量交换，同时，南大洋海冰影响着南极底层水的形成，因此对南大洋海冰进行走航观测具有重要科学价值。
本数据为中国第27次南极科学考察走航海冰密集度与海冰厚度观测数据，观测时间为2010年11月23日-2011年1月17日，通过高清摄像机，记录海面海冰分布情况，以及“雪龙”号考察船侧海冰翻转过程，分别获得海冰密集度与海冰厚度走航观测数据。对了解南大洋海冰分布，以及南大洋海冰卫星遥感算法的验证与标定具有重要意义。

Sea ice concentration refers to the proportion of sea area covered by sea ice within a given sea region. Sea ice thickness refers to the thickness of level sea ice. As sea ice modulates heat and energy exchange between the atmosphere and the ocean, and sea ice in the Southern Ocean further impacts the formation of Antarctic Bottom Water, underway observations of Southern Ocean sea ice carry substantial scientific significance.
This dataset provides underway observation data of sea ice concentration and sea ice thickness acquired during the 27th Chinese National Antarctic Research Expedition. The observation campaign ran from November 23, 2010 to January 17, 2011. High-definition cameras were deployed to record the sea ice distribution on the sea surface and the process of sea ice overturning alongside the Xuelong research icebreaker, from which underway observation data of sea ice concentration and sea ice thickness were separately derived. This dataset holds critical importance for advancing the understanding of Southern Ocean sea ice distribution, as well as for validating and calibrating satellite remote sensing algorithms targeting Southern Ocean sea ice.

搜集汇总

背景与挑战

背景概述

该数据集包含中国第27次南极科学考察期间，通过'雪龙'号考察船上的高清摄像机走航观测获取的南大洋海冰密集度和厚度数据。观测时间跨度为2010年11月23日至2011年1月17日，数据以.xls格式存储，总量为34.0KB，主要用于研究南大洋海冰分布及支持卫星遥感算法的验证与标定工作。