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Data Details

Mapam Yumco Changes Dataset (1972-2023)

ZENG Lin1LA Zhen1DEJI Yangzong*1NIU Xiaojun1
1 Climate Centre of Tibet Autonomous region,Lhasa 850000,China


Published:Feb. 2024

Visitors:1665       Data Files Downloaded:29      
Data Downloaded:5.64 MB      Citations:

Key Words:

MapamYumco,lake area,remote sensing,1972-2023


Using the Landsat series and GF1 remote sensing images as data sources, the authors developed vector boundary data of Mapam Yumco from 1972-2023 through manual visual interpretation, and calculated the corresponding lake area to obtain the Mapam Yumco changes dataset (1972-2023). The dataset includes the vector boundary and area of Mapam Yumco in 27 periods from 1972, 1977, 1994, 2000-2023. The spatial resolution of the data is 30 m. In which, the area changes during the half of century is 6.59 km² the largest area is 415.78 km² in 2000, the smallest is 409.19 km² in 1994. The spatial resolution is 30 m. The dataset is archived in .shp data format, and consists of 189 data files with data size of 276 KB (Compressed into 1 file with 198 KB).Browse

Foundation Item:

Ministry of Science and Technology of P. R. China (2019QZKK020809)

Data Citation:

ZENG Lin, LA Zhen, DEJI Yangzong*, NIU Xiaojun. Mapam Yumco Changes Dataset (1972-2023)[J/DB/OL]. Digital Journal of Global Change Data Repository, 2024.

ZENG Lin, LA Zhen, DEJI Yangzong, et al. Construction of half-century dataset of lake area changes in Mapam Yumco and La’ang Co (1972-2023) [J]. Journal of Global Change Data & Discovery, 2023, 7(4): 369-374.


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Data Product:

ID Data Name Data Size Operation
1 MapamYumco_1972-2023.rar 199.00KB