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首页> 外文期刊>European journal of environmental & engineering geophysics >Geophysical prospecting for archaeological risk evaluation on the khmer monumental area of vat phou (southern laos)
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Geophysical prospecting for archaeological risk evaluation on the khmer monumental area of vat phou (southern laos)

机译：瓦特（老挝南部）高棉纪念碑地区的考古风险评估的地球物理勘探

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The geophysical prospecting in the Ancient City of Vat Phou (Southern Laos) was carried out under the UNESCO project "Zoning and Environmental Management plan of Vat Phou", with the aim to draw up a plan for the protection of archaeological areas. for this purpose, a quantitative evaluation of the results of geophysical prospecting is necessary, thereby creating the hypothesis not only for the existence of a structure, but also for its shape, dimension and state of conservation. In order to make a quantitative evaluation of the size of the remains, a computer system was used to calculate the geophysical models. This provided a solution for the direct problems of interpreting the potential field anomalies (magnetic and electric field), produced by bodies lying at a shallow depth. Through this method, a five-class classification is proposed on the basis of the two fundamental parameters of archaeological interpretation: size and geometric shape of the anomaly. To these five classes correspond also five archaeological risk factors. This term is used in the meaning of the likelihood that an excavation in a given area will lead to the discovery of substantial archaeological features. These values range from 0 (no reasonably sized anomaly with regular geometric shape) to 4 (sites who presented anomalies with particularly regular geometric shapes, and which had at least one objective confirmation). It must also be pointed out that this type of evaluation is not purely qualitative. In the first place because it takes into account the wave characteristics of the anomaly (amplitude and wavelength) and also because, it is based on the calculated (3D) models that fit the observed data best.
机译：瓦特古城（老挝南部）的地球物理勘探是在联合国教科文组织的“瓦特蒲区域和环境管理计划”项目下进行的，目的是制定保护考古区的计划。为此，必须对地球物理勘探的结果进行定量评估，从而不仅为结构的存在，而且为结构的形状，尺寸和保护状态提出假设。为了对遗骸的大小进行定量评估，使用了计算机系统来计算地球物理模型。这为解释浅层物体产生的势场异常（磁场和电场）的直接问题提供了解决方案。通过这种方法，根据考古学解释的两个基本参数：异常的大小和几何形状，提出了五类分类。与这五个类别相对应的还有五个考古危险因素。该术语的含义是在给定区域内进行挖掘将导致发现实质考古特征的可能性。这些值的范围从0（没有合理大小的异常，没有规则的几何形状）到4（呈现异常的地方，特别是规则的几何形状，并且至少有一个客观确认的站点）。还必须指出，这种类型的评估并非纯粹是定性的。首先，因为它考虑了异常的波特性（幅度和波长），并且还因为它基于最适合观察数据的计算（3D）模型。

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