Liaoning Province 1:250000 River Surface Distribution Dataset (2012)

a. Data content (data file/table name, including observation index content) Data File Name: Liaoning Province 1:250000 River Surface Distribution Dataset (2012) Main content: This dataset reflects the distribution of surface rivers and islands in Liaoning Province, including one data entity: Liaoning Province 1:250000 River Surface Distribution Dataset (2012) - Data Entity. shp b. Construction purpose Provide data services for scientific research on hydrology, water conservancy, agricultural ecology, and terrestrial surface ecosystems. c. Service object Students and researchers engaged in research on hydrology, water conservancy, and agricultural ecology. d. Time range of data The data source was in 2012 and was produced in 2014. e. The spatial range and projection method of data Space scope: Liaoning Province