1:1 million wetland data of Gansu province (2000)


The data was compiled from "China's 1:100 million wetlands data" to get a figure of 1 million wetlands in gansu province.

"China 1:100,000 wetland data" mainly reflects the information of marshes and wetlands throughout the country in the 2000s, and is represented by geographical coordinates in decimal scale. The main contents include: types of marshes and wetlands, types of water supply, types of soil, types of main vegetation, and geographical regions.The information classification and coding standard of China sustainable development information sharing system was implemented.Data source of this database: 1:20 swamp map (internal version), 1:500 000 swamp map (internal version) of qinghai-tibet plateau, 1:100 000 swamp survey data and 1:400 000 swamp map of China;The processing steps are as follows: data source selection, preprocessing, marshland element digitization and coding, data editing and processing, establishment of topological relationship, edge-to-edge processing, projection transformation, connection with attribute database such as geographical name and acquisition of attribute data.


Data file naming and use method

File name: data is stored in vector SHP format, file name "gansu_wet"
Data reading: Arcgis, Qgis and other remote sensing software can be used to open and read


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Cite as:

ZHANG Shuqing. 1:1 million wetland data of Gansu province (2000). National Tibetan Plateau Data Center, 2015. (Download the reference: RIS | Bibtex )

Using this data, the data citation is required to be referenced and the related literatures are suggested to be cited.


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License: This work is licensed under an Attribution 4.0 International (CC BY 4.0)


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Geographic coverage
East: 111.60 West: 90.20
South: 30.50 North: 44.60
Detail
  • Temporal resolution: Yearly
  • Spatial resolution: 10m - 100m
  • File size: 2 MB
  • Browse count: 1,507 Times
  • Apply count: 2 Times
  • Share mode: online
  • Updated time:
Contact Information
: ZHANG Shuqing  

Distributor: National Tibetan Plateau Data Center

Email: data@itpcas.ac.cn

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