Analysis of Climate and Climate Productivity Change in the Hilly and Gully Area of the Loess Plateau--A Case Study of Yan'an City

WANG Wei; WANG Yu; LI Chan-yun; YUE Hong-chang; WANG Shuan-quan

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Analysis of Climate and Climate Productivity Change in the Hilly and Gully Area of the Loess Plateau--A Case Study of Yan'an City

- Analysis of Climate and Climate Productivity Change in the Hilly and Gully Area of the Loess Plateau--A Case Study of Yan'an City
- Bulletin of Soiland Water Conservation Vol. 27, Issue 6, Pages: 151-154(2008)
- 作者机构：
  
  1. 西北农林科技大学农学院, 陕西杨凌,712100
  2. 延安市宝塔区项目办,陕西,延安,716000
  3. 宜川县农业技术推广中心, 陕西宜川,716200
- 作者简介：
- 基金信息：
- DOI：
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- Published：2008
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WANG Wei, WANG Yu, LI Chan-yun, et al. Analysis of Climate and Climate Productivity Change in the Hilly and Gully Area of the Loess Plateau--A Case Study of Yan'an City[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 151-154.
DOI：

WANG Wei, WANG Yu, LI Chan-yun, et al. Analysis of Climate and Climate Productivity Change in the Hilly and Gully Area of the Loess Plateau--A Case Study of Yan'an City[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 151-154. DOI：

摘要

通过整理延安宝塔区1980-2007年气象资料

在分析延安气候变化趋势的基础上

应用Thornth-waite Memorial模型

计算了气候生产力变化情况。结果表明

该区降雨量以2.73 mm/a的速度递减

气温以0.05℃/a的速度递增

风速和相对湿度的变化趋势是逐年递减

日照时数的变化趋势是逐年递增。气候生产力总体呈增加趋势

但递增幅度不显著;降雨量是该区气候生产力提高的主要限制因子

"暖湿型"气候对作物气候生产力最有利。

Abstract

Based on the meteorological data from meteorological station in Baota District

Yan'an City from 1980 to 2007

climate change at the beginning is analyzed and the change of climatic productivity is calculated by using Thornthwaite Memorial model.Results show that rainfall amount decreases by 2.73 mm/a and temperature increases by 0.05 ℃/a.Wind speed and relative humidity are decreasing and sunshine hour is increasing.Climatic productivity in Yan'an area is increasing but not significant.Rainfall is an important limiting factor for climatic productivity and the "warm-wet" climate is the most beneficial for crop climatic productivity.

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Related Institution

The Project Office of Baota District in Yanan City, Yanan

Institute of Shaanxi Economics, Party School of Shaanxi Provincial Party Committees

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水土保持与荒漠化防治教育部重点实验室, 北京林业大学水土保持学院

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