Data on glacial lakes in the western Nyainqentanglha range (1970s-2018)


Based on Landsat data (kh-9 data in 1976 as auxiliary data), glacial lake data of nearly 40 years (1970s-2018) in the western Nyainqentanglha range were obtained by manual digitization and visual interpretation. The variation characteristics of glacial lake over 0.0036 square kilometers in terms of type, size, elevation and watershed were analyzed in detail. The results show that, between 1976 and 2018, the number of glacial lakes increased by 56% from 192 to 299 and their total area increased by 35% from 6.75 ± 0.13 square kilometers to 9.12 ± 0.13 square kilometers ; the type of glacial lake is changing obviously; the smaller glacial lake is changing faster; the expansion of glacial lake is developing to higher altitude.


Data file naming and use method

Glacial_ lake_ WNT_ Year.shp
ArcGIS file format


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Cite as:

LUO Wei, ZHANG Guoqing. Data on glacial lakes in the western Nyainqentanglha range (1970s-2018). National Tibetan Plateau Data Center, 2020. doi: doi:10.1016/j.scitotenv.2020.139607. (Download the reference: RIS | Bibtex )

Related Literatures:

1. Luo, W., Zhang, G., Chen, W., & Xu, F. (2020). Response of glacial lakes to glacier and climate changes in the western Nyainqentanglha range. Science of the Total Environment, 139607. doi:10.1016/j.scitotenv.2020.139607( View Details | Bibtex)

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Keywords
Geographic coverage
East: 91.60 West: 89.80
South: 29.80 North: 31.00
Detail
  • Temporal resolution: 1 year < x < 10 year
  • Spatial resolution: 10m - 100m
  • File size: 0.93 MB
  • Browse count: 2,423 Times
  • Apply count: 24 Times
  • Share mode: online
  • Temporal coverage: 1976-07-15 To 2019-07-15
  • Updated time: 2020-12-19
Contact Information
: LUO Wei   ZHANG Guoqing  

Distributor: National Tibetan Plateau Data Center

Email: data@itpcas.ac.cn

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