This dataset contains the following basic geographic data:
(1) Provincial boundary data of Gansu Province;
(2) City level boundary data in Gansu Province;
(3) County level boundary data in Gansu Province;
(4) Road data in Gansu Province;
(5) River data in Gansu Province;
(6) Lake data in Gansu Province.
The original data is sourced from the National Basic Geographic Information Center, and the basic geographic data of Gansu Province is formed by splicing and cropping the segmented data.
Using software such as ARCGIS and ENVI, the required images are finely corrected to ensure that the error between adjacent images is less than one pixel. Then, after digitization, spatial data and attribute data are extracted, organized, and edited.
The dataset undergoes strict manual review to control its quality.
This work is licensed under
CC BY 4.0 (Creative Commons Attribution 4.0 International License).
CSTR:11738.11.NCDC.GSEER.DB3981.2023
10.12072/ncdc.gseer.db3981.2023
