西藏墨竹工卡积雪时空分布特征分析 |
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引用本文: | 于金媛,朗卡旺青,加永泽巴,央金卓玛,土登次仁,丹增卓玛.西藏墨竹工卡积雪时空分布特征分析[J].安徽农业科学,2014(30):10602-10603,10631. |
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作者姓名: | 于金媛 朗卡旺青 加永泽巴 央金卓玛 土登次仁 丹增卓玛 |
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作者单位: | 西藏大学工学院,西藏拉萨,850000 |
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基金项目: | 西藏大学青年科研培育基金项目 |
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摘 要: | 利用MODIS10A2积雪产品数据(2001~2013年)对西藏墨竹工卡县积雪的时间变化及其空间分布特征进行分析,结果表明,西藏墨竹工卡地区墨竹工卡98.62%的区域积雪持续日数是不超过180d;积雪随着海拔升高,持续天数也在增加;积雪覆盖率年际变化趋势不明显,但季节性差异大.
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关 键 词: | 墨竹工卡 积雪 MODIS10A2 时空分布 |
Analysis of the Temporal and Spatial Distribution Characteristics of the Snow Cover in Maizhokunggar in Tibet |
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Institution: | YU Jin-yuan;LANGKA Wang-qing;JIAYONG Ze-ba;Polytechnic Institute of University of Tibet; |
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Abstract: | By using MODISIOA2 snow product data (2001-2013), the temporal and spatial distribution characteristics of snow accumulalion in Maizhokunggar County, Tibet were analyzed. The results showed that the 98.62% of Tibetan Maizhokunggar area snow lasting days is not more than 180 days; with inereasing ahitude, snow lasting days has increased; snow cover annual variation trend is not obvious, hut the seasonal difference is large. |
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Keywords: | Maizhokunggar Snow accumulation MODID10A2 Spatial and temporal distribution |
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