STREAM FLOW ANALYSIS BASED ON INTERACTION BETWEEN STREAM AND AQUIFER IN ALLUVIAL FAN
基于冲积扇水流与含水层相互作用的水流分析
基本信息
- 批准号:16560455
- 负责人:
- 金额:$ 1.41万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2004
- 资助国家:日本
- 起止时间:2004 至 2005
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Steam-water not only flow in a river channel but also some relationship with riparian groundwater through the influent seepage into a river-bed or the effluent seepage from an aquifer. Although such exchange quantity between stream and aquifer may be relatively small in comparison with the stream discharge in the rainy season, the interaction between both is one of the important factors governing the stream flow condition with small discharge in the dry season and/or in the downstream from the intake dam. Because a remarkable decrease in the discharge affects both water quantity and quality and temperature, it may be necessary to keep a minimum discharge in order to preserve the river environment including ecological integrity. In this paper, for evaluation of the minimum discharge, the stream-aquifer interaction and its effects on the stream flow condition are investigated through field observations and a hydraulic model. According to the observations in an alluvial fan of the Yasu River in Japan, it is thought that variation of the stream discharge may be caused by the water exchange with aquifer. The findings from the hydraulic computations indicate that the model is a useful tool for quantitative evaluation of the minimum discharge required to maintain suitable stream flow conditions.
蒸汽不仅在河道中流动,而且还通过流入河床或流出含水层的渗流与河岸地下水产生某种关系。尽管与雨季河流流量相比,河流与含水层之间的交换量可能相对较小,但两者之间的相互作用是控制旱季和/或进水坝下游小流量河流流量状况的重要因素之一。由于排放量的显著减少会影响水量、水质和温度,因此可能有必要保持最低排放量,以保护河流环境,包括生态完整性。本文通过野外观测和水力模型研究了河流-含水层相互作用及其对河流流动状况的影响,以评价最小流量。根据对日本Yasu河冲积扇的观测,认为河流流量的变化可能是由与含水层的水交换引起的。水力计算结果表明,该模型是定量评估维持适当水流条件所需的最小流量的有用工具。
项目成果
期刊论文数量(26)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Research on Improvement of Stream Environment in the Horikawa by Using Groundwater (in Japanese)
利用地下水改善堀川河流环境的研究(日语)
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Morihiro HARADA;Takayuki OGASAWARA
- 通讯作者:Takayuki OGASAWARA
Interaction Process between Stream and Aquifer in Alluvial Fan of the Yasu River
雅苏河冲积扇溪流与含水层相互作用过程
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Morihiro Harada;Tatsuya Yamada;Mohamed M.Hantush
- 通讯作者:Mohamed M.Hantush
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HARADA Morihiro其他文献
HARADA Morihiro的其他文献
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{{ truncateString('HARADA Morihiro', 18)}}的其他基金
ON-SITE EXPERIMENTS AND HYDRAULIC EVALUATION ON RUNOFF CONTROL BY RAINWATER STORAGE IN PADDY FIELDS
稻田蓄雨控洪现场试验及水力评价
- 批准号:
18560504 - 财政年份:2006
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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