Parametric Studies on Saltwater Intrusion into Coastal Aquifers for Anticipate Sea Level Rise

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Parametric Studies on Saltwater Intrusion into Coastal Aquifers for Anticipate Sea Level Rise

Priyanka, B.N [et al.] - Nama Orang;

Saltwater intrusion into coastal aquifers is a global issue, exacerbated by increasing demands for freshwater in coastal regions. This study investigates into the parametric analysis on saltwater intrusion in a conceptual, coastal, unconfined aquifer considering wide range of freshwater draft and anticipated sea level rise. The saltwater intrusion under various circumstances is simulated through parametric studies using MODFLOW, MT3DMS and SEAWAT. The MODFLOW is used to simulate the groundwater flow system under changing hydro-dynamics in coastal aquifer. To simulate solute transport MT3DMS and SEAWAT is used. The saltwater intrusion process has direct bearing on hydraulic conductivity and inversely related to porosity. It may also be noted that increase in recharge rate considered in the study does not have much influence on saltwater intrusion. Effect of freshwater draft at locations beyond half of the width of the aquifer considered has marginal effect and hence can be considered as safe zone for freshwater withdrawals. Due to the climate change effect, the anticipated rise in sea level of 0.88 m over a century is considered in the investigation. This causes increase in salinity intrusion by about 25%. The combined effect of sea
level rise and freshwater draft considered indicated significant increase in saltwater intrusion into coastal aquifers up to 57%.

Keywords: Coastal aquifer; MODFLOW; MT3DMS; Pumping; Saltwater intrusion; Sea level rise; SEAWAT

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Judul Seri: Aquatic Procedia
No. Panggil: -
Penerbit: : Graduate School of Economics, Waseda University., 2015
Deskripsi Fisik: Aquatic Procedia 4 ( 2015 ) 103 – 108
Bahasa: English
ISBN/ISSN: doi: 10.1016/j.aqpro
Klasifikasi: NONE
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: 4 ( 2015 )
Subjek: KIMIA
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Wati/Agus

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FULL TEXT:Parametric Studies on Saltwater Intrusion into Coastal Aquifers for Anticipate Sea Level Rise

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