Analysis for Influence upon Local Climate Factors of Reservoir Area of Hydropower Station after Water Storage

Abstract:

An artificial reservoir will be formed at the dam upstream in a large hydropower station after the station put into use, and with water area expanding, the local climate will change. This paper takes mesoscale meteorological numerical model WRF to simulate a certain hydropower station in Sichuan to obtain the impacting situation of the local climate after the water storage. The result indicates as follows: firstly, the wind field has been greatest changed after the water storage. Except in the winter, we can found obvious lake-land breeze in the spring and the summer and the flow field is very evident; secondly, the temperature is rising or falling; except for a little change in the spring, the average temperature falls 1.27°C in the summer but rises at 1.28°C in the winter. In addition, the humidity around the reservoir is changed distinctly; the average humid degree rises mostly at 4.56% in the winter, moderately at 2.25% in the spring but a little change at 0.94% in the summer. It is since the climate factors have been changed that the concentration field of atmospheric pollutants which generated by the industrial and mining enterprises around the reservoir has been changed at all.

• Periodical: Applied Mechanics and Materials (Volumes 212-213)
• Pages: 245-252
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.212-213.245
• Online since: October 2012
• Authors: Wen Yong Wang, Wen Liu, Xiao Juan Ma
• Keywords: Climate, Humidity, Hydropower, Reservoir, Temperature, Wind Field

References

[1] Compiling Committee for Hanyuan County Annals, Hanyuan County Annals,2006.(In Chinese).

[2] William C. Skamarock, Joseph B.klemp, Jimy Dudhia. A Description of the Advanced Research WRF （Version 3）[R]. National Center for Atmospheric Research, June 2008.

[3] Chengdu Survey and Design Institute of National Electric Power Corporation, Checking Report for Pubugou Hydropower Station on Sichuan Daduhe River, May 2003. (In Chinese).

[4] Scire JS, Strimaitis DG, Yamartino BJ. A User's Guide for the CALPUFF Dispersion Model (Version 5) [R].Earth Tech Inc. 2000.

[5] Wenyong Wang, Nan Chen, Journal of Southwest Jiaotong University, 2010.Vol.45.No.6. In Chinese.

[6] Roland B.Stull, Translated by Yang Changxin, Boundary Layer Meteorology Introduction.Meteorology Publishing House, May (1991)

[7] Xianyan Chen, Yaoming Liao, Qiang Zhang, Climate and Affecting Factors in Three Gorges by Zoology and Environment Monitoring System for Three Gorges Project on Yangtze River, Meteorology Publishing House, January 2011.(In Chinese).

[8] Per-Erik Jansson, Louise Karlberg. Theory and Practice of Coupled and Mass Transfer Model for Soil-plant-atmosphere System. Beijing: Science Press, (2010)

[9] Gordon B.Bonan. Ecological Climatology: Concepts and Application. Cambridge University Press 2002.