Evaluation of Uncertainty in the Spatial and Temporal Variability of Groundwater Level along with Geostatistacal and Entropy Analysis

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Moosiri F.; GANJI KHORRAMDEL N.; MOGHADASI M.

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Journal: Journal of Water and Soil Science Year:2018 | Volume:22 | Issue:1 Page(s): 339-351

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Title

Evaluation of Uncertainty in the Spatial and Temporal Variability of Groundwater Level along with Geostatistacal and Entropy Analysis

Author(s)

Moosiri F. | GANJI KHORRAMDEL N. | MOGHADASI M. | Issue Writer Certificate

Keywords

Monitoring network designQ1

Spatial and Temporal VariabilityQ1

observation wellsQ1

Marginal Entropy ConceptQ1

Ordinary KrigingQ2

Abstract

To continue or develop the exploitation of underground water for different different uses and purposes, as well as building any water structure, set of quantitative features of aquifers can be detected. To achieve this goal, quantitative monitoring of groundwater level is only possible. Accordingly, this study compared the impact of both the concept of marginal entropy and Ordinary Kriging for groundwater level Monitoring network design in the case Gotvand-Aghili Plain, Khuzestan province. It is important to note that a key aspect in groundwater level monitoring of the quantity measured was the variability or uncertainty in it. This created a considerable confidence to monitor and ultimately achieve favorable conditions in the future. In this study, the variability of the groundwater level was considered to evaluate the combined effects of marginal entropy and Ordinary Kriging. In order to determine the suitable areas for further monitoring or thinning as well as the compatibility of these two methods, the monitor network design was designed. The map classified according to the marginal entropy method, in a range between 0. 07 to 5. 26 of the marginal entropy change, areas with the higher rates of 2. 13 in terms of density; this indicated the need for more observation wells. Ordinary Kriging method also changed the range of values; they also represented areas that needed monitoring more than 13. 16. Comparison of the results obtained by the two methods showed that the marginal entropy of the kriging method with less uncertainty and by using it, there was less the need to be monitored and classified. Comparison of the two methods by the zoning map showed that fewer errors were taken to the marginal entropy method and it could be recommended for the groundwater level Monitoring network design. The network was also based on the Cross validation estimation error evaluated. These tests and additional analysis were employed in this study to determine the suitable areas for the higher density of wells and the need for thinning areas. The results further confirmed the proper performance of the methods employed, as well as the superiority of the marginal entropy in the design of a small groundwater monitoring network.

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APA: Copy

Moosiri, F., GANJI KHORRAMDEL, N., & MOGHADASI, M.. (2018). Evaluation of Uncertainty in the Spatial and Temporal Variability of Groundwater Level along with Geostatistacal and Entropy Analysis. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 22(1 ), 339-351. SID. https://sid.ir/paper/400019/en

Vancouver: Copy

Moosiri F., GANJI KHORRAMDEL N., MOGHADASI M.. Evaluation of Uncertainty in the Spatial and Temporal Variability of Groundwater Level along with Geostatistacal and Entropy Analysis. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2018;22(1 ):339-351. Available from: https://sid.ir/paper/400019/en

IEEE: Copy

F. Moosiri, N. GANJI KHORRAMDEL, and M. MOGHADASI, “Evaluation of Uncertainty in the Spatial and Temporal Variability of Groundwater Level along with Geostatistacal and Entropy Analysis,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 22, no. 1 , pp. 339–351, 2018, [Online]. Available: https://sid.ir/paper/400019/en

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