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New Indicator Based Method SALDIT for Delineation of Natural Groundwater Recharge Areas

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A structured approach based on indicators evaluation technique has been developed as a technical tool to help demarcating the potential groundwater recharge areas. The tool is a generic and can be applied universally. Based on a combination of field experience and expert opinion six measurable indicator parameters viz.,Slope of the ground, Aquifer specific yield, Land and soil cover, Depth to groundwater table, Influence of surface geology and Topographic features of the location have been identified for assessing the groundwater recharge potential. The acronym SALDIT is formed from the highlighted and underlined letters of the indicator parameters for ease of reference. Each of these indicators was assigned a relative weight and importance ratings for the indicator variables based on the Delphi technique. The total indicator score derived by summing the individual indicator scores obtained by multiplication of importance ratings with the corresponding indicator weight can be used for delineating the potential groundwater recharge areas. In the paper the methodology is explained and the application of the method is given.

Keywords:Saldit,slope, importance rating, indicator

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Informasi Detail

Judul Seri

Aquatic Procedia

No. Panggil

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Penerbit

: Elsevier., 2015

Deskripsi Fisik

Aquatic Procedia 4 ( 2015 ) 649 – 659

Bahasa

English

ISBN/ISSN

doi: 10.1016/j.aqpro

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

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