Recurring Spring Leads and Landfast Ice in the Beaufort and Chukchi Seas, 1993-2004, Version 1

This data set contains information on recurring spring leads and landfast ice extent in the Beaufort and Chukchi Seas. This data set maps and documents the spatial and temporal distribution of recurring leads and landfast ice in this area spanning 1993 through 2004 and are based on visible and infrared Advanced Very High Resolution Radiometer (AVHRR) data.本数据集包含波弗特海与楚科奇海的春季周期性冰间水道及固定冰（landfast ice）范围相关信息。本数据集绘制并记录了1993年至2004年间该区域内周期性冰间水道与固定冰的时空分布特征，其数据基于可见光与红外波段的高级甚高分辨率辐射计（Advanced Very High Resolution Radiometer, AVHRR）观测数据。