This data comes from the National Catalogue Service for Geographic Information, which was provided to the public free of charge by the National Basic Geographic Information Center in November 2017. We spliced and trimmed Three Rivers Source Region as a whole to facilitate its use in the study of Three Rivers Source Region. The current status of the data is 2015.
This dataset is the Three Rivers Source Region 1: 250,000 water system data, including three layers of water system surface (HYDA), water system line (HYDL) and water system point (HYDP). The water system surface (HYDA) includes lakes, reservoirs, double-line rivers, and ditches; the water system line (HYDL) includes single-line rivers, ditches, and river structure lines; and the water system points (HYDP) include springs and wells.
National Catalogue Service for Geographic Information. River networks dataset at 1:250 000 in Three Rivers Source Region (2015). National Tibetan Plateau Data Center, 2018.
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National Catalogue Service for Geographic Information. River networks dataset at 1:250 000 in Three Rivers Source Region (2015). National Tibetan Plateau Data Center, 2018.