| 藏北高原D110点土壤温度的极值分析 |
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| 引用本文： | 杨梅学,姚檀栋,何元庆,小池俊雄.藏北高原D110点土壤温度的极值分析[J].山地学报,1999,17(3):207-211. |
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| 作者姓名： | 杨梅学 姚檀栋 何元庆 小池俊雄 |
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| 作者单位： | 1. 中国科学院兰州冰川冻土研究所水芯与寒区环境实验室,兰州,730000
2. 日本长岗技术科学大学 |
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| 基金项目： | 中国科学院重大项目,冰冻圈研究项目,中日合作GAME－Tibet项目 |
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| 摘 要： | 通过藏北高原Ｄ１１０点一年中不同深度的日最高值、日最低值及日温差的分析，表明从０ｃｍ￣４０ｃｍ，土壤温度的日最高值的变化剧烈，而日最低值的变化则相对平稳，冬半年土壤温度的日最低值、日最高值比较接近，日温差较小，而且它们随时间的变化比较平稳；但夏半年（５￣９月）波动较冬半年的大，且最高温的波动要比最低温的波动大得多；随深度的增加日温差减小，在８０ｃｍ深处已基本上看不到日温差的变化。
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| 关 键 词： | 藏北高原 土壤温度 日最低温 日最高温 日温差 |
| 修稿时间： | 1998-12-04 |
THE EXTREME VALUE ANALYSIS OF THE GROUND TEMPERATURE IN NORTHERN PART OF TIBETAN PLATEAU-RECORDS FROM D110 SITE |
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| YANG Mei-xue,YAO Tan-dong,HE Yuan-qing,Toshio KOIKE.THE EXTREME VALUE ANALYSIS OF THE GROUND TEMPERATURE IN NORTHERN PART OF TIBETAN PLATEAU-RECORDS FROM D110 SITE[J].Journal of Mountain Research,1999,17(3):207-211. |
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| Authors: | YANG Mei-xue YAO Tan-dong HE Yuan-qing Toshio KOIKE |
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| Abstract: | The analysis based on the daily maximum, minimum and daily range of the ground temperature at different depths at D110 site, northern part of Tibetan Plateau, showed that from surface to 40cm depth the variation of the daily maximum ground temperature was strong. The variation of the daily minimum ground temperature was weak. In winter season, the daily maximum ground temperature and the daily minimum ground temperature are near. The daily range of ground temperature is small and its variation is gentle. The variation in Summer season are larger than that in winter. The variation of the daily maximum ground temperature is much larger than that of the daily minimum ground temperature. Except the surface daily minimum ground temperature, the increasing processes of the ground temperature in May in all depths are larger than the decreasing processes in September. However, it is need to observe and study further whether this is the usual feature in northern part of Tibetan Plateau or it is just a special feature. |
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| Keywords: | northern part of Tibetan Plateau ground temperature daily maximum ground temperature daily minimum ground temperature daily range of ground temperature |
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