Research on Evolution Law of Runoff in Water Source Area and Water Receiving Area for Water Diversion Project

DOI

10.2991/978-94-6463-728-1_81How to use a DOI?

Keywords

Runoff; Mutation test; Interannual trend; Morlet wavelet analysis; Inter-basin water diversion project

Abstract

Against the background of climate change, exploring the runoff evolution law of water source area and water receiving area for the water transfer project is of great significance for compiling the water dispatching plan and safeguarding water safety of the basin. In this paper, the water diversion project from the Yangtze River to the Huaihe River is taken as the research object, and the runoff evolution of water source area and water receiving area under multiple time scales was studied by adopting various analysis methods such as mutation test, interannual trend and periodic oscillation. Results show that mutation years of annual runoff in Datong station were 1988 and 2003, while that in Lutaizi station were 1981 and 2010. Compared with multi-year mean runoff during the base period (1956–2022) in Datong station, multi-year mean runoff during 1956–1988, 1989–2003 and 2004–2022 changed by –2.2%, 7.0% and –1.7% respectively. When it comes to Lutaizi station, multi-year mean runoff during 1956–1981, 1982–2010 and 2011–2022 changed by –0.2%, 6.1% and –14.2% respectively in comparison with multi-year mean runoff during the base period. 56a and 42a were the first and second main periods of annual runoff in Datong station, while 28a and 10a were the first and second main periods of annual runoff in Lutaizi station. However, the variation period of the former were significant, while that of the latter were not significant.

Copyright

© 2025 The Author(s)

Open Access

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TY  - CONF
AU  - Xiaoying Wang
AU  - Hongxia Xu
AU  - Peibing Song
AU  - Lingzhong Kong
PY  - 2025
DA  - 2025/05/19
TI  - Research on Evolution Law of Runoff in Water Source Area and Water Receiving Area for Water Diversion Project
BT  - Proceedings of the 3rd International Conference on Green Building, Civil Engineering and Smart City (GBCESC 2024)
PB  - Atlantis Press
SP  - 888
EP  - 897
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-728-1_81
DO  - 10.2991/978-94-6463-728-1_81
ID  - Wang2025
ER  -