[1]何毅,杨太保,冀琴,等.基于遥感资料的中亚阿拉套地区冰川变化及动因分析[J].山地学报,2015,(02):148.
 HE Yi,YANG Taibao,JI Qin.Glacier Variation and Motivation Based on Remote Sensing Data in the Central Asia Alatau Regions[J].Mountain Research,2015,(02):148.
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基于遥感资料的中亚阿拉套地区冰川变化及动因分析()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2015年02期
页码:
148
栏目:
山地环境
出版日期:
2015-04-01

文章信息/Info

Title:
Glacier Variation and Motivation Based on Remote Sensing Data in the Central Asia Alatau Regions
作者:
何毅;杨太保;冀琴;
兰州大学资源环境学院冰川与生态地理研究所;
Author(s):
HE Yi YANG TaibaoJI Qin
College of Earth and Environmental Sciences, Institution of Glaciology and Ecogeography, Lanzhou 730000, China
关键词:
冰川变化退缩GIS和RS技术周期性分析阿拉套
Keywords:
glacier changes Shrinkage GIS and RS cycle analysis Alatau Region
分类号:
P343.6
文献标志码:
A
摘要:
以1990年、1999年、2006年和2013年的Landsat TM/ETM+及OLI/TIRS遥感资料为数据源,通过计算机半自动解译及人工目视解译方法得到中亚阿拉套地区1990—2013年4景冰川数据,同时对研究区周边气温、降水进行趋势分析和周期性分析,并应用GIS技术研究了过去近24年来冰川变化特征及其与气候变化的响应过程。结果表明:11990—2013年,中亚阿拉套地区冰川退缩明显,冰川总面积从680.73 km2退缩到539.28 km2,总面积减少了141.45 km2,退缩率为20.78%,平均单条冰川面积减小0.12 km2;21990—1999年、1999—2006年及200...
Abstract:
In this paper, TM /ETM+ and OLI / TIRS remote sensing datum from 1990, 1999, 2006 and 2011 were used as the data source. Through integrated computer semiautomatic interpretation and visual interpretation methods, glacier outlines were obtained in the Central Asia Alatau regions from 1990 to 2013. Meanwhile, we analyzed the surrounding study area temperature and precipitation trends and period, and we used GIS technology to analyze glacier variation characteristics and its response to climate change process in the past nearly 24a. The results showed that:①Between 1990 and 2013, the Alatau region glaciers experienced an evident retreat trend, the total area of glaciers was from 680.73 km2 to 539.28 km2, the total area reduced 141.45 km2, shrinking at a rate of 20.78%, with the average single glacier area decrease was 0.12 km2.②The average annual retreat rate experienced a "slowfastslow" process in 1990—1999,1999—2006 and 2006—2013 three times. However, after two periods were faster than the previous period, the glacier showed had entered a new phase of accelerated retreat since 1999 in Alatau region; ③Massive glacier decomposition made that a total area and the number of smallscale glaciers had increased; ④At the high temperatures and rainfall period of the study area, regional warming was a major factor glacial retreat;⑤At the same time, the distribution characteristics of spatial structure for the glaciers were analyzed in Finally, based on the fractal theory, it showed that the melting rate of glaciers in the study area will remain high, but they will remain stable.⑥Compared with China Tien Shan region glaciers, the Alatau region glaciers retreat exhibit rapid trend.

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备注/Memo

备注/Memo:
收稿日期(Received date):2014-04-28;改回日期(Accepted) : 2014-11-02。
基金项目(Foundation item):国家自然科学
基金项目(41271024);黄河上游晚更新世河流阶地和冰川演化对千年尺度气候变化的响应,国家自然科学
基金项目“兰州大学地理基地科研训练及科研能力提高项目”(J1210065)。[ Yellow River Late Pleistocene river terraces and glacial evolution on millennialscale climate change and National Natural Science Foundation of China"Research training and scientific research a bility of the geography base Project in Lanzhou university(J1210065).]
作者简介(Biography):何毅(1987- ),男,甘肃会宁人,博士研究生,主要研究基于环境演变与全球变化。[He Yi(1987-),male, gansu, huining,Doctor, the main research based on GIS and RS glacier changes.] E-mail:heyi11@lzu.edu.cn *
通信作者(Corresponding author):杨太保(1962-),男,山西人,博士,教授/博导,主要从事自然地理环境变化研究。 [Yang Taibao(1962-),male, shanxi, PhD, Mainly engaged in natural and geographical environment change research.]
更新日期/Last Update: 1900-01-01