| 天山乌鲁木齐河源区空冰斗积雪特征 |
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| 引用本文： | 李效收,张明军,王飞腾,李忠勤,王圣杰,汪宝龙.天山乌鲁木齐河源区空冰斗积雪特征[J].干旱区资源与环境,2012(12):102-107. |
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| 作者姓名： | 李效收 张明军 王飞腾 李忠勤 王圣杰 汪宝龙 |
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| 作者单位： | 西北师范大学地理与环境科学学院;中国科学院寒区旱区环境与工程研究所冰冻圈科学国家重点实验室/天山冰川站 |
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| 基金项目： | 国家自然科学基金项目(41161012,41171057);教育部新世纪优秀人才支持计划项目(NCET-10-0019);国家重点基础研究发展计划(973)项目(2010CB951003);中国科学院知识创新工程重要方向项目(KZCX2-EW-311);冰冻圈科学国家重点实验室项目(SKLCS-ZZ-2010-04)资助 |
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| 摘 要： | 根据2006年12月至2007年4月天山乌鲁木齐河源区空冰斗季节性积雪的观测资料,分析了该区域积雪厚度、积雪温度及积雪储水量的变化特征。结果表明:空冰斗积雪在观测初期比较稳定,随着降水量增加,积雪厚度也随之增加,4月中旬达到最大值,季节性积雪的持续时间约为7个月;积雪厚度最大值一般出现在海拔3830m附近,这一高度以下积雪厚度随海拔升高呈现增加的趋势,而在这一高度以上则呈相反趋势;积雪温度受气温影响明显,在观测期内随着气温的升高积雪温度也逐渐上升;研究期内积雪储水量高于上世纪90年代初的同期观测值。
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| 关 键 词： | 空冰斗 积雪 降水 储水量 乌鲁木齐河源 |
Characteristics of snow cover at the Empty Cirque basin in the headwaters of Urumqi River,Tianshan Mountains |
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| LI Xiaoshou,ZHANG Mingjun,WANG Feiteng,LI Zhongqin,WANG Shengjie,WANG Baolong.Characteristics of snow cover at the Empty Cirque basin in the headwaters of Urumqi River,Tianshan Mountains[J].Journal of Arid Land Resources and Environment,2012(12):102-107. |
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| Authors: | LI Xiaoshou ZHANG Mingjun WANG Feiteng LI Zhongqin WANG Shengjie WANG Baolong |
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| Institution: | 1(1.College of Geography and Environment Sciences,Northwest Normal University,Lanzhou 730070,P.R.China;2.State Key Laboratory of Cryospheric Sciences/Tianshan Glaciological Station,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou 730000,P.R.China) |
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| Abstract: | Based on observed data of seasonal snow cover at the Empty Cirque basin in the headwaters of Urumqi River from December 2006 to April 2007,Tianshan Mountains,we analyzed the variation characteristic about depth,temperature,water store of snow cover.The results are as follows: The snow cover was stable in the preliminary stage.With the precipitation decreasing,the depth of snow cover was increasing.Its maximum value was in the mid April 2007 and it lasted about 7 months.The maximum depth of the snow cover appeared in elevation 3830 m.With the elevation increasing,the depth of the snow cover was increasing above the elevation while decreasing below the elevation.The snow cover temperature was impacted by the temperature significantly,and it was increasing gradually with the temperature increasing during the observed period.At the same time the water store was higher than that of 1990s. |
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| Keywords: | Empty Cirque basin snow cover precipitation water store the headwaters of Urumqi River |
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