Glacial lake inventory of High Mountain Asia
The dataset integrated glacier inventory data and 426 Landsat TM/ETM+/OLI images, and adopted manual visual interpretation to extract glacial lake boundaries within a 10-km buffer from glacier terminals using ArcGIS and ENVI software, normalized difference water index maps, and Google Earth images. It was established that 26,089 and 28,953 glacial lakes in HMA, with sizes of 0.0054–5.83 km2, covered a combined area of 1692.74 ± 231.44 and 1955.94 ± 259.68 km2 in 1990 and 2018, respectively. The current glacial lake inventory provided fundamental data for water resource evaluation, assessment of glacial lake outburst floods, and glacier hydrology studies in the mountain cryosphere region.
1. Name of Data
High_Asia_glacial_lake_1990.Shp
High_Asia_glacial_lake_2018.shp
2. Data description of attribute items
GLAKE_ID: The coding of glacial Lake
GL_Image: Information of source image
GL_Type: The type of glacial Lake
GL_SubR: The Sbu-region of glacial Lake in the HMA
GL_Time: The acquisition date of the original Landsat image
GL_Elev: The average elevation of glacial lake (m)
GL_Area: The area of glacial lake (m2)
GL_Peri: The Perimeter of glacial lake (m)
GL_A_Error: The error of glacial lake area (m2)
GL_Long: The longitude of center point of the glacial lakes (°)
GL_Lati: The latitude of center point of the glacial lakes (°)
WANG Xin, GUO Xiaoyu, YANG Chengde, LIU Qionghuan, WEI Junfeng, ZHANG Yong, LIU Shiyin, ZHANG Yanlin, JIANG Zongli, TANG Zhiguang. (2019). Glacial lake inventory of High Mountain Asia. 时空三极环境大数据平台,
DOI:
10.11888/Glacio.tpdc.270919.
CSTR:
18406.11.Glacio.tpdc.270919.
[Wang, X., Guo, X., Yang, C., Liu, Q., Wei, J., Zhang, Y., Liu, S., Zhang, Y., Jiang, Z., Tang, Z. (2019). Glacial lake inventory of High Mountain Asia. A Big Earth Data Platform for Three Poles,
DOI:
10.11888/Glacio.tpdc.270919.
CSTR:
18406.11.Glacio.tpdc.270919.
]
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国家自然科学基金 (项目编号:41771075) National Natural Science Foundation of China
国家自然科学基金项目 (项目编号:41571061) National Natural Science Foundation of China
国家自然科学基金项目 (项目编号:41271091) National Natural Science Foundation of China
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暂无数据
| East: 104.00 | West: 68.00 |
|---|---|
| South: 27.00 | North: 55.00 |
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