Response of Climate Comfortable Index to Climate Change in Weihe River Basin During Past 50Years

DU Xi-xi; LI Rui; WANG Fei

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Response of Climate Comfortable Index to Climate Change in Weihe River Basin During Past 50Years

- Response of Climate Comfortable Index to Climate Change in Weihe River Basin During Past 50Years
- Bulletin of Soiland Water Conservation Vol. 32, Issue 2, Pages: 53-57(2013)
- 作者机构：
  
  1. 西北农林科技大学资源环境学院, 陕西杨凌,712100
  2. 西北农林科技大学, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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DU Xi-xi, LI Rui, WANG Fei. Response of Climate Comfortable Index to Climate Change in Weihe River Basin During Past 50Years[J]. Bulletin of Soiland Water Conservation, 2013, 32(2): 53-57.
DOI：

DU Xi-xi, LI Rui, WANG Fei. Response of Climate Comfortable Index to Climate Change in Weihe River Basin During Past 50Years[J]. Bulletin of Soiland Water Conservation, 2013, 32(2): 53-57. DOI：

摘要

气候舒适度(CCI)是反映气候条件对人体感受影响的指数。根据渭河流域内13个站点1961-2010年温度、风速、相对湿度等气象要素的平均值

计算出流域内各站点气候舒适度指数各级日数持续时间及分布情况。结果表明

冷和寒冷的日数在减少

可达舒适的日数在缓慢增加

其变化规律与温度变化密切相关。除华山站外

各站点的舒适度都比较高

大部分站点可达舒适的时间为5个月以上。流域内可达舒适的平均天数占全年的46.9%

寒冷及冷的日数可占27.1%

没有出现炎热和酷热的天气。流域内西安、武功、天水和宝鸡站点的气候舒适度较高

其次为铜川、洛川、环县等地区。

Abstract

The climate comfort index(CCI)is the influencing degree of climate conditions on the human feeling.Based on the average values of temperature

wind speed

relative humidity of 13stations in Weihe Riverbasin during 1961-2010

CCI values were calculated for each station and days

duration and spatial distribution were also examined at all levels of CCI values.The results showed that the number of cold and very colddays was reducing and the comfortable days were increasing slowly

which is closely related to the air temperature changes.Except for Huashan Mountain station

CCI values were relatively high and the comfortabletime was longer than 5months per year for all the stations.On average

the number of days when CCI valuereached comfortable level accounted for 46.9%of the whole year

while cold and very cold days for 27.1%.There were no days with CCI values reaching hot or very hot.Spatially

CCI values were relatively higher atthe stations of Xi'an

Wugong

Tianshui and Baoji

followed by stations of Tongchuan

Luochuan and Huanxian County.

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Related Institution

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