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논문 기본 정보

자료유형
학술저널
저자정보
Abu Zafor (Leading University) Jahir Bin Alam (Shahjalal University of Science & Technology) Azizur Rahman (Leading University) Mohammad Nurul Amin (Shahjalal University of Science & Technology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제22권 제4호
발행연도
2017.12
수록면
369 - 376 (8page)

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초록· 키워드

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The trend analysis of the study was acquired by selecting multiyear monthly groundwater table data and monitors the wells in each sub-district under the study area. The intention of this research was to analyze the outcome of the non-parametric Mann-Kendall test at greater than the significance level which is 95% of groundwater level in Sylhet. The aptitude is effective at two conjunctures where the confidence bounds are 95% and it meets the estimate line of Sen’s. To calculate and assess the spatial differences in the inanition of groundwater table, geostatistical methods was applied based on data from 27 groundwater wells during the period from January 1975 to December 2011 which were obtained from a secondary source, Bangladesh Water Development Board. The geographic information system was used to assess the spatial change in order to find the level of groundwater. Cross-validation errors were found within an advisable level in estimating the groundwater depth with different interpolation models of ordinary kriging methods. Finally, surface maps were generated with the best-fitted model. The southeast region was found highly vulnerable from groundwater level point of view. Northern region was detected highest hazard prone area for diverge groundwater using kriging method.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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