| 干旱区季节性积雪融雪期含水率变化及其模拟—以新疆军塘湖流域为例 |
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| 引用本文： | 王慧,刘志辉,张波.干旱区季节性积雪融雪期含水率变化及其模拟—以新疆军塘湖流域为例[J].干旱区资源与环境,2013(8):131-136. |
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| 作者姓名： | 王慧 刘志辉 张波 |
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| 作者单位： | 新疆大学资源与环境科学学院;新疆大学教育部绿洲生态重点实验室;新疆大学干旱生态环境研究所;干旱半干旱区可持续发展国际研究中心 |
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| 基金项目： | 国家自然科学基金面上项目:天山北坡典型流域积雪-冻土水热耦合中融水产汇流机制研究(41171023)资助 |
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| 摘 要： | 积雪含水率是干旱区季节性积雪出流的重要条件。描述了融雪期干旱区季节性积雪含水率的变化,利用数理统计方法分析了影响因素,并采用多元统计模型进行模拟。结果表明:1)融雪期干旱区季节性积雪含水率变化范围在0-8%之间。积雪含水率融雪前期变化较小,在0-1%之间,融雪后期变化幅度增加,在1-8%之间;2)融雪前期、后期积雪含水率大致从下层至上层依次减少,中期反之;3)气温是积雪含水率变化的主要影响因素,其具有滞后性。
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| 关 键 词： | 积雪含水率 融雪期 季节性积雪 干旱区 |
Seasonal changes of snow moisture in arid area during snowmelt period and the simulation |
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| WANG Hui,LIU Zhihui,ZHANG Bo.Seasonal changes of snow moisture in arid area during snowmelt period and the simulation[J].Journal of Arid Land Resources and Environment,2013(8):131-136. |
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| Authors: | WANG Hui LIU Zhihui ZHANG Bo |
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| Institution: | 1,2(1.School of Resources and Environment Science,Xinjiang University,Urumqi 830046;2.Key Laboratory of Oasis Ecology Ministry of Education,Xinjiang University,Urumqi 830046;3.Institute of Arid Ecology and Environment,Xinjiang University,Urumqi 830046;4.International Center for Desert Affairs-Research on Sustainable Development in Arid and Semi-arid Lands,Urumqi 830046,P.R.China) |
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| Abstract: | Snow moisture is an important condition for the snowmelt water flow of seasonal snow cover in arid area.This paper described changes of snow moisture during snowmelt period of seasonal snow cover in arid area,analyzed influential factors using mathematical statistical method and simulated snow moisture changes with multivariate statistical regression model.The results showed that:(1) Snow moisture of seasonal snow in arid area changed between 0-8%.Snow moisture had small changes by 0-1% during the early snowmelt period,but had a sudden increase in the late snowmelt period with 1-8%.(2) It had been reducing from the lower to upper layer of snow during the early and later snowmelt period,but turned increase in medium-term of snowmelt period.(3) The air temperature was the main influencing factors for the snow water content changes. |
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| Keywords: | snow moisture snowmelt period seasonal snow arid area |
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