1:250000 River Surface Distribution Dataset in Heilongjiang Province (2012)

a. Data content (data file/table name, including observation index content)\n\nData File Name: 1:250000 River Surface Distribution Dataset in Heilongjiang Province (2012)\n\nMain content:\n\nThis data reflects the distribution of surface rivers in Heilongjiang Province, including one data entity: Heilongjiang Province 1:250000 River Surface Distribution Dataset (2012) - Data Entity. shp\n\nb. Construction purpose\n\nProvide data services for scientific research on hydrology, water conservancy, agricultural ecology, and terrestrial surface ecosystems.\n\nc. Service object\n\nStudents and researchers engaged in research on hydrology, water conservancy, and agricultural ecology.\n\nd. Time range of data\n\nThe data source was in 2012 and was produced in 2014.\n\ne. The spatial range and projection method of data\n\nSpace scope: Heilongjiang Province