Abstract
Basin spatial range data is widely used in hydrological, ecological and environmental fields, and is an important basic geographic data. At present, it is not very convenient to obtain the spatial data of the basin. The generation of spatial range of river basin needs some professional knowledge. The process is not highly automated. With the development of intelligent geoscience calculation and the emergence of more application requirements, it is of great significance to realize the intelligent retrieval of basin spatial data. In this paper, the method of automatic watershed spatial range determination is proposed. The method modifies the related steps manually operated now in the existing watershed algorithm. A set of automatic processing flow is designed, according to vector data, DEM data is automatically cut and drainage outlet position is automatically determined. The automatic generation of basin range data from vector data is realized, which overcomes the previous cumbersome shortage of spatial range data acquisition.
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Acknowledgements
This study is supported by the National Natural Science Foundation of China (Project No. 41971054; 41471178; 41530749)
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Li, X., Li, D., Qin, C., Zhu, AX., Yang, L. (2020). An Automatic Method for Drainage Basin Spatial Range Delineation Using DEMs. In: Jeon, HY. (eds) Sustainable Development of Water and Environment. ICSDWE 2020. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-030-45263-6_24
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DOI: https://doi.org/10.1007/978-3-030-45263-6_24
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