MODIFYING DRASTIC MODEL TO DETERMINE GROUNDWATER VULNERABILITY IN A COASTAL REGION

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KHOSHDOOZ MASOOLEH NILOOFAR; BABAZADEH HOSSEIN; TABATABAEI SEYYED HASSAN; NADERI MEHDI

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Journal: JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION Year:2013 | Volume:3 | Issue:1 Page(s): 19-31

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Title

MODIFYING DRASTIC MODEL TO DETERMINE GROUNDWATER VULNERABILITY IN A COASTAL REGION

Author(s)

KHOSHDOOZ MASOOLEH NILOOFAR | BABAZADEH HOSSEIN | TABATABAEI SEYYED HASSAN | NADERI MEHDI | Issue Writer Certificate

Keywords

COASTAL AQUIFERSQ1

ELECTRICAL CONDUCTIVITY (EC)Q2

MODIFIED DRASTIC MODELQ2

Abstract

COASTAL AQUIFERS have a high potential for contamination by seawater intrusion. Thus, the vulnerability of groundwater resources can be very effective in identifying vulnerabilities and sensitive groundwater aquifers. This study was conducted to evaluate Kish island aquifer vulnerability. The DRASTIC model was employed and modified based on the coastal aquifer conditions. Two additional parameters were included to the model which describes the balance between seawater and aquifer water level. The vulnerability maps were produced by DRASTIC and M-DRASTIC models. The comparison of these maps was performed using EC and TDS as the main indicators. The required data were collected from the existing reports as well as some extra direct water sample measurements. The overlaying of the vulnerability map was obtained by the DRASTIC method. Comparison of M-DRASTIC with EC and TDS maps showed that the mean differences for DRASTIC map with EC map is 17.41 and 10.24, respectively and for M-DRASTIC is 0.69 and 0.55, respectively. This indicates that the M-DRASTIC model is more adapted to coastal zones. The vulnerability index in DRASTIC method is generally lower than M-DRASTIC range. Based on the M-DRASTIC vulnerability analysis, it was found that 17.8, 48.1 and 34.1 percents of Kish island area is under average, high and very high risk of groundwater contamination, respectively.

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APA: Copy

KHOSHDOOZ MASOOLEH, NILOOFAR, BABAZADEH, HOSSEIN, TABATABAEI, SEYYED HASSAN, & NADERI, MEHDI. (2013). MODIFYING DRASTIC MODEL TO DETERMINE GROUNDWATER VULNERABILITY IN A COASTAL REGION. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 3(1), 19-31. SID. https://sid.ir/paper/232238/en

Vancouver: Copy

KHOSHDOOZ MASOOLEH NILOOFAR, BABAZADEH HOSSEIN, TABATABAEI SEYYED HASSAN, NADERI MEHDI. MODIFYING DRASTIC MODEL TO DETERMINE GROUNDWATER VULNERABILITY IN A COASTAL REGION. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2013;3(1):19-31. Available from: https://sid.ir/paper/232238/en

IEEE: Copy

NILOOFAR KHOSHDOOZ MASOOLEH, HOSSEIN BABAZADEH, SEYYED HASSAN TABATABAEI, and MEHDI NADERI, “MODIFYING DRASTIC MODEL TO DETERMINE GROUNDWATER VULNERABILITY IN A COASTAL REGION,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 3, no. 1, pp. 19–31, 2013, [Online]. Available: https://sid.ir/paper/232238/en

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