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首页> 外文会议>International symposium on spatial accuracy assessment in natural resources and environmental science >Hydraulic Head Interpolation Using Easily Available External Trend Information
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Hydraulic Head Interpolation Using Easily Available External Trend Information

机译：液压头插值使用易于提供的外部趋势信息

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摘要

When external information on trends in regionalised variables is known, incorporating this information in the analysis often pays off in decreasing the estimation error. In this study a simple, easy to handle method is sought to incorporate readily available information on drainage and groundwater withdrawal in the interpolation of hydraulic head data using kriging with an external trend (KET). Two pilot areas have been examined: one in a freely draining area and one in a controlled draining area. Both areas are subject to groundwater withdrawal. In the first area, digital elevation model (DEM) information is used as drainage trend information, while in the second area information of surface water levels is used. For the groundwater withdrawal the Thiem-Dupuit approach has been adopted. It is concluded that the used KET method can be applied successfully. Problems may arise due to lack of information close to production wells or due to heterogeneity of the study area.
机译：当已知区域化变量的趋势的外部信息时，在分析中结合在分析中通常会在减少估计误差时得到回报。在这项研究中，寻求简单，易于处理的方法，寻求在液压头数据的插值中使用克里格与外部趋势（KET）在液压头数据的插值中加入有关排水和地下水的可用信息。已经检查了两个导频区域：一个在一个自由排水区域中，一个在受控排放区域中。这两个领域都受地下水撤回。在第一区域中，数字高度模型（DEM）信息用作排水趋势信息，而在使用地面水位的第二区域信息中。对于地下水撤出，已采用Thiem-Dupuit方法。得出结论，可以成功应用二手电机方法。由于缺乏靠近生产井或由于研究区域的异质性而缺乏信息，可能会出现问题。

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