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首页> 外文期刊>Geosciences >Kriging with a Small Number of Data Points Supported by Jack-Knifing, a Case Study in the Sava Depression (Northern Croatia)
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Kriging with a Small Number of Data Points Supported by Jack-Knifing, a Case Study in the Sava Depression (Northern Croatia)

机译：Jack-Knifing支持的具有少量数据点的克里金法，这是萨瓦凹陷的一个案例研究（克罗地亚北部）

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摘要

The semivariogram and the ordinary kriging analyses of porosity data from the Sava Depression (Northern Croatia), are presented relative to the Croatian part of the Pannonian Basin system. The data are taken from hydrocarbon reservoirs of the Lower Pontian (Upper Miocene) age, which belong to the Klo?tar Ivani? Formation. The original datasets had been jack-knifed with the purpose of re-sampling and calculating the more reliable semivariograms. The results showed that such improvements can assist in the interpolation of more reliable maps. Both sets, made by the original and re-sampled data, need to be compared using geological recognition of isoline’s shapes (such as “bull-eye” or “butterfly” effects) as well as cross-validation results. This comparison made it possible to select the most appropriate porosity interpolation.
机译：相对于Pannonian盆地系统的克罗地亚部分，介绍了萨瓦De陷（克罗地亚北部）的孔隙度数据的半变异函数图和普通克里金法分析。数据取自下蓬统（中新世）时代的油气藏，该油气藏属于克洛塔尔伊凡尼岩。编队。为了重新采样和计算更可靠的半变异函数，对原始数据集进行了粗切。结果表明，这种改进可以帮助插值更可靠的地图。两组数据均由原始数据和重新采样的数据构成，需要使用等值线形状的地质识别（例如“牛眼”或“蝴蝶”效应）以及交叉验证结果进行比较。该比较使得可以选择最合适的孔隙率插值。

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