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- Title
Research on the Calculation Method of Multi-scale Irrigation Water Use in the Irrigation System of Plain River Network Based on System Dynamics.
- Authors
Qi-feng; CHEN Cai-ming; LI Dong-xiao; CAI Chen-ka; WANG Shi-wu
- Abstract
This paper uses the Changshui Pond Irrigation System in Jiaxing City as the research object, and establishes a simulation model of water cycle process in irrigation system based on system dynamics, which can be applied to the simulation analysis of return flow and the calculation of irrigation water use from multiple scales based on the introduction of irrigation water regression coefficient. The results show that through the calibration and verification of the model, the simulated water volume of any typical pump station is basically consistent with the actual monitored water volume, with the absolute value of the relative error lower than 15%. Also, the simulated water level change process of the river network is basically consistent with the actual monitored water level process. The model can better reflect the water conversion process in irrigation system and provide support for the statistical work of irrigation water use in irrigation system.
- Subjects
WATER use; ALLUVIAL plains; SYSTEM dynamics; WATER levels; WATERSHEDS; IRRIGATION water
- Publication
China Rural Water & Hydropower, 2024, Issue 1, p25
- ISSN
1007-2284
- Publication type
Article
- DOI
10.12396/znsd.230785