南水北调中线工程对汉江中下游气候的影响研究

王玉敏; 周孝德; 宁大同

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南水北调中线工程对汉江中下游气候的影响研究

综合研究

- 南水北调中线工程对汉江中下游气候的影响研究
- Effect on Climate in Middle-and-down Reaches of Hanjiang River Owing to Middl-line Project of Transferring Water from South to North
- 水土保持通报 2001年20卷第6期页码：40-42
- 作者机构：
  
  1. 西安理工大学,陕西,西安,710032
  2. 北京师范大学,北京,100875
- 作者简介：
- 基金信息：
  
  国家“九五”攻关项目“南水北调中线工程对汉江中下游生态环境影响”专题(96-015-01-010)
- DOI：
  中图分类号：
- 纸质出版：2001
- 稿件说明：
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王玉敏, 周孝德, 宁大同. 南水北调中线工程对汉江中下游气候的影响研究[J]. 水土保持通报, 2001,20(6):40-42.

WANG Yu-min, ZHOU Xiao-de, NING Da-tong. Effect on Climate in Middle-and-down Reaches of Hanjiang River Owing to Middl-line Project of Transferring Water from South to North[J]. Bulletin of Soiland Water Conservation, 2001, 20(6): 40-42.
王玉敏, 周孝德, 宁大同. 南水北调中线工程对汉江中下游气候的影响研究[J]. 水土保持通报, 2001,20(6):40-42. DOI：

WANG Yu-min, ZHOU Xiao-de, NING Da-tong. Effect on Climate in Middle-and-down Reaches of Hanjiang River Owing to Middl-line Project of Transferring Water from South to North[J]. Bulletin of Soiland Water Conservation, 2001, 20(6): 40-42. DOI：

摘要

研究了汉江中下游气候在南水北调工程实施前后所发生的变化。南水北调工程运行以后

必然导致汉江中下游河流水位降低

流速减缓

水面宽度变窄。把汉江中下游以城镇为节点划分为11个区域

通过水面宽度变窄的幅度引起的水面蒸发量的变化

构造蒸发量与温度、相对湿度的关系模型

初始温度、相对湿度为各区域2000年的年平均温度、相对湿度值

经过模型递推计算

得到不同调水规模下各区域经过36a后的温度、相对湿度变化值。

Abstract

The climate changes taking after the project of transferring water from south to north are studied. After the project is executed

the river's water level will be lowered

the water velocity will be slowed

the water surface will be narrowed in the middle-and-down reaches of Hanjiang river. The middle-and-down reaches of Hanjiang river are distributed into 11 zones by cities

the changes in water surface evaporation caused by the narrowness of water width are studied and the model of relationship between temperature

humidity and evaporation are established. The average temperature and humidity in every zone in 2000 are used as the initial temperature and humidity

which is taken into model to calculate

so as to achieve the change of temperature and humidity in every zone under different water transferring scale.

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