| 尼洋河流域径流时空变化特性初步分析 |
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| 引用本文： | 吕琳莉,尼玛次仁,王维成,刘湘伟.尼洋河流域径流时空变化特性初步分析[J].水力发电,2011,37(2). |
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| 作者姓名： | 吕琳莉 尼玛次仁 王维成 刘湘伟 |
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| 作者单位： | 1. 西藏农牧学院,西藏林芝,860000
2. 林芝地区水文站,西藏林芝,860000 |
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| 基金项目： | 国家自然科学基金资助项目，西藏自治区科技厅一般科技计划资助项目 |
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| 摘 要： | 尼洋河是雅鲁藏布江的5大支流之一,该流域气候温暖湿润,植被覆盖率高,虽地处青藏高原,却具有独特的温带气候特征和下垫面条件.根据尼洋河流域现有测站的径流资料对其年内分配和径流的多年变化进行了初步的分析.结果表明,尼洋河流域主汛期为6月～9月,径流量年内集中程度高,其汛期径流量占总径流量的90%左右,多年期间丰水时段和枯水时段为3～5 a.
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| 关 键 词： | 径流 年内分配 丰枯变化 尼洋河 |
Analysis on Runoff Spatiotemporal Distribution of Niyang River |
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| Lu Linli,Nima Ciren,Wang Weicheng,Liu Xiangwei.Analysis on Runoff Spatiotemporal Distribution of Niyang River[J].Water Power,2011,37(2). |
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| Authors: | Lu Linli Nima Ciren Wang Weicheng Liu Xiangwei |
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| Affiliation: | Lu Linli1,Nima Ciren2,Wang Weicheng2,Liu Xiangwei2(1.Tibet Agricultural and Animal Husbandry College,Linzhi 860000,Tibet,China,2.Linzhi Hydrology Bureau,China) |
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| Abstract: | Niyang River is one of the five tributaries of Yarlung Zangbo River in Tibet,and the river basin has a unique temperate climate and underlying surface condition.Based on runoff data measured by the hydrological stations,the runoff distribution within a year and the runoff variation between years were analyzed.The results show that the main flood season is June to September,the runoff in flood season is about 90% of the total,and the wet periods and dry periods are all about 3-5 years in Niyang River basin. |
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| Keywords: | runoff distribution within a year wet and dry variation Niyang River |
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