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首页> 外文会议>Congress of Asia and Pacific Division of International Association of Hydraulic Engineering and Research >SEASONAL CHANGE OF GROUNDWATER FLOW AND ITS EFFECT ON TEMPERATURE DISTRIBUTION IN SENDAI PLAIN
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SEASONAL CHANGE OF GROUNDWATER FLOW AND ITS EFFECT ON TEMPERATURE DISTRIBUTION IN SENDAI PLAIN

机译：地下水流量的季节变化及其对仙台平原温度分布的影响

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摘要

A heat transport model that accounts the effects of groundwater flow was developed to investigate the seasonal changes of temperature distribution patterns and heat flux in Sendai plain. One hour groundwater temperatures up to the depth of 50-60 m and water levels at different aquifer levels were measured in three observation wells. Three dimensional groundwater flows were simulated by means of the MODFLOW numerical code. Observed and simulated water levels were matched with the Domenico and Palciauskas's analytical solution for the simultaneous transfer of heat and groundwater to obtain the corresponding temperature distribution. These results were interpreted from the observed temperature records at different aquifer levels. 47.5 mW/m2 of maximum vertical heat flux was estimated near to the Nanakita river and it also noticed about 17% heat flux change during two extreme precipitation events of simulation time.
机译：一种热传递模型，讨论地下水流动的影响是开发的，以研究仙台平原温度分布图案和热通量的季节变化。在三个观察孔中测量一小时的地下水温度高达50-60米和不同含水层水平的水平。通过Modflow数值代码模拟了三维地下水流。观察和模拟水位与Domenico和Palciauskas的分析解决方案相匹配，用于同时传递热和地下水以获得相应的温度分布。这些结果被解释为不同含水层水平的观察到的温度记录。纳卡塔河附近估计了47.5MW / m 2的最大垂直热通量靠近纳卡塔河，它还注意到两种极端降水事件的热通量变化约为17％的仿真时间。

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