Climate Characteristics and Its Influences on Protective Forest Construction in Huajialing of Gansu Province

XU Xiang-hong; WANG Hui; DUAN Ya-nan

doi:10.13961/j.cnki.stbctb.2014.01.058

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Climate Characteristics and Its Influences on Protective Forest Construction in Huajialing of Gansu Province

- Climate Characteristics and Its Influences on Protective Forest Construction in Huajialing of Gansu Province
- Bulletin of Soiland Water Conservation Vol. 33, Issue 1, Pages: 188-192(2014)
- 作者机构：
  
  1. 甘肃农业大学生命科学技术学院,甘肃,兰州,730070
  2. 甘肃农业大学林学院,甘肃,兰州,730070
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.01.058
  CLC：
- Published：2014
- 稿件说明：
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XU Xiang-hong, WANG Hui, DUAN Ya-nan. Climate Characteristics and Its Influences on Protective Forest Construction in Huajialing of Gansu Province[J]. Bulletin of Soiland Water Conservation, 2014, 33(1): 188-192.
DOI：

XU Xiang-hong, WANG Hui, DUAN Ya-nan. Climate Characteristics and Its Influences on Protective Forest Construction in Huajialing of Gansu Province[J]. Bulletin of Soiland Water Conservation, 2014, 33(1): 188-192. DOI： 10.13961/j.cnki.stbctb.2014.01.058.

摘要

以甘肃省华家岭、安定、通渭3气象站1961-2012年气象要素观测资料和甘肃省森林资源二类清查资料为基础

采用趋势分析和累积距平分析方法

研究了华家岭近50 a来的气候特征及其对防护林建设的影响。结果表明

近50 a来

华家岭年平均降水量递减率为-2.467 mm/a

年平均气温递增率为0.0242℃/a

区域气候呈现向暖干化方向发展趋势;降水不足是华家岭低效防护林形成的一个重要自然因素

而气候的干热变化更是加剧了干旱气候对当地雨养林业及生态环境建设的不利影响。

Abstract

Based on meteorological observation data from 1961 to 2012 at Huajialing

Anding and Tongwei stations and forest resources inventory data of Gansu Province

climate characteristics of the Huajialing over the past 50 years and its influences on the protective forest construction were analyzed using trend analysis and accumulative anomaly analysis methods. Results showed that decreasing rate of annual mean precipitation in the region over the past 50 years was -2.467 mm/a

increase rate of annual mean temperature was 0.024 2℃/a

and regional climate showed a typical development trend to warm and dry. Lack of precipitation was an important natural factor for the formation of inefficient protective forest in the Huajialing

while warm and dry climate change exacerbated adverse effects of arid climate on the local rainfed forestry and ecological environment construction.

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