[1]赵 军,黄永生,师银芳,等.2000—2012年祁连山中段雪线变化与气候变化关系[J].山地学报,2015,(06):683-689.[doi:10.16089/j.cnki.1008-2786.000082]
　ZHAO Jun,HUANG Yongsheng,SHI Yinfang,et al.Relationship Between Sonw Line Change and Climate Changein the Middle of Qilian Mountains during 2000—2012[J].Mountain Research,2015,(06):683-689.[doi:10.16089/j.cnki.1008-2786.000082]
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2000—2012年祁连山中段雪线变化与气候变化关系()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2015年06期
页码:
683-689
栏目:
山地生态与环境
出版日期:
2015-12-01

文章信息/Info

Title:
Relationship Between Sonw Line Change and Climate Change in the Middle of Qilian Mountains during 2000—2012
作者:
赵 军; 黄永生; 师银芳; 李 龙
西北师范大学地理与环境科学学院,甘肃 兰州 730070
Author(s):
ZHAO Jun;  HUANG Yongsheng;  SHI Yinfang;  LI Long
College of geographic and Environmental Science, Northwest Normal University, Lanzhou 730070, China
关键词:
祁连山;  雪线;  气候变化;  MOD10A2
Keywords:
Qilian Mountains;  snow line;  climate change;  MOD10A2
分类号:
P467
DOI:
10.16089/j.cnki.1008-2786.000082
文献标志码:
A
摘要:
利用MOD10A2积雪产品、气温、降水数据和DEM数据,借助于GIS空间分析技术和统计方法,分析2000—2012年祁连山中段地区的雪线变化,并探讨温度和降水对雪线变化的影响。研究结果表明:1. 2000—2012年祁连山中段雪线平均高程值呈波动上升,平均上升速率为42.3 m/(10 a); 各年的雪线平均高程>4 600 m,多年雪线平均高程值为4 673 m。2.祁连山中段地区各坡向的雪线平均高程值、年平均上升速率均呈现相一致的特征,即阳坡>半阴半阳坡>阴坡。3. 2000—2012年暖季气温和6—8月累计降水量是影响祁连山雪线变化的重要因素,暖季气温升高是引起雪线升高的主导因素。在6—8月累计降水量保持稳定的情况下,暖季气温上升(下降)1℃,祁连山中段雪线高度上升(下降)约58 m。
Abstract:
Based on snow product(MOD10A2), temperature, precipitation data from 2000 to 2012 and DEM data, using spatial analysis technology and statistical method, this paper analyzes snow line variation trend and its relationship with climate change in the middle of Qilian Mountains,Nothwest China. The result shows that: 1)The average elevation values of snow line fluctuated upward trend from 2000 to 2012 in the middle of Qilian Mountains, and the average decline rate is 42.3 m/(10 a). The snow line average height value is above 4 600 m and snow line average height value is 4 673 m in recent 10 years. 2)Both the average elevation values of each aspect snow line and average annual increase rate have obviously consistent characteristics in study area, namely the sunny slope > the southern and northern slope > cloudy slope. 3)The temperature in the warm season and total rainfall in the 6—8 month of 2000—2012 are the important factors to influence the Qilian Mountains snowline changes,the temperature in the warm season is the main factor to induce the snowline.If cumulative rainfall remain stable in the 6—8 month,the temperature in the warm season increasing(decreasing)1℃ will result in snow line altitude rising(falling)58 m in the middle of Qilian Mountains.

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备注/Memo

备注/Memo:
收稿日期(Received date):2014-10-11; 改回日期(Accepted): 2015-03-12。 作者简介(Biography):赵军(1963-),男,山西河津人,教授,博士生导师,主要从事资源环境遥感与GIS应用研究。[Zhao Jun(1963-), professor, doctoral supervisor, engaged in environmental remote sensing and GIS applied research.] E-mail:zhaojun@nwnu.edu.cn
更新日期/Last Update: 1900-01-01