雅鲁藏布江上游冰湖编目（2020）

数据为2020年雅鲁藏布江上游冰湖编目，冰湖总数为603个，总面积为93.9±8.5km²，数据主要包括冰湖面积 (km²)、冰湖位置 (°)、冰湖流域面积 (km²)、冰湖流域内冰川面积 (km²)、冰川贡献度 (-)、冰湖与冰川间的距离 (m)、冰湖坝体类型 (TYPE，0为其他坝体类型冰湖，1为冰坝湖，2为冰碛湖，3为冰面湖)、冰湖和冰川间接触关系 (TOPO，0为不接触，1为接触，2为冰湖在冰面上)及面积不确定性(km²)等信息。冰湖主要通过CBAM-UNet算法自动提取并经过人工目视解译修正，对于冰湖类型的识别主要通过人工目视解译判定，误差主要来自由遥感影像分辨率导致的冰湖边界提取的误差。该数据将为冰川-冰湖相互作用研究及未来冰湖溃决风险评估提供有力的数据支撑。

This dataset presents a glacial lake inventory for the upper reaches of the Yarlung Zangbo River in 2020. The total number of glacial lakes is 603, with a total area of 93.9±8.5 km². The dataset mainly includes the following information: glacial lake area (km²), glacial lake location (°), catchment area of the glacial lake (km²), glacial area within the glacial lake catchment (km²), glacial contribution (-), distance between the glacial lake and the glacier (m), glacial lake dam type (TYPE, where 0 represents glacial lakes with other dam types, 1 represents ice-dammed lakes, 2 represents moraine-dammed lakes, 3 represents supraglacial lakes), contact relationship between the glacial lake and the glacier (TOPO, where 0 represents no contact, 1 represents contact, 2 represents glacial lake on the ice surface), and area uncertainty (km²). The glacial lakes were mainly automatically extracted using the CBAM-UNet algorithm and revised via manual visual interpretation. The identification of glacial lake types was primarily determined through manual visual interpretation. The main source of errors is the boundary extraction error of glacial lakes caused by the resolution of remote sensing images. This dataset will provide robust data support for studies on glacier-glacial lake interactions and future glacial lake outburst flood risk assessment.