Journal ArticleDOI
Estimation of natural ground water recharge
TLDR
In this paper, various methods of estimating natural ground water recharge are outlined and critically reviewed with regard to their limitations and associated uncertainties, and they are evaluated with respect to their limitation and uncertainties.Abstract:
Quantification of the rate of natural ground water recharge is a pre-requisite for efficient ground water resource management. It is particularly important in regions with large demands for ground water supplies, where such resources are the key to economic development. However, the rate of aquifer recharge is one of the most difficult factors to measure in the evaluation of ground water resources. Estimation of recharge, by whatever method, are normally subject to large uncertainties and errors. In this paper, various methods of estimating natural ground water recharge are outlined and critically reviewed with regard to their limitations and associated uncertainties.read more
Citations
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Combined estimation of specific yield and natural recharge in a semi-arid groundwater basin with irrigated agriculture
TL;DR: In this paper, a water budget approach is developed to jointly estimate specific yield and natural recharge in an unconfined aquifer with significant seasonal water table fluctuations Water table fluctuations are due to distinct seasonality in groundwater recharge.
Journal ArticleDOI
Hydrochemical identification and salinity problem of ground-water in Wadi Yalamlam basin, Western Saudi Arabia
TL;DR: In this paper, the authors integrated hydrochemical, hydrogeological, and recharge estimation analyses to identify the process/processes that led to the aquifer salinity in Wadi Yalamlam.
Journal ArticleDOI
Use of chloride mass balance and tritium data for estimation of groundwater recharge and renewal rate in an unconfined aquifer from North Africa: a case study from Tunisia
TL;DR: In this paper, tritium data and chloride mass balance (CMB) method were applied in order to understand the mode of recharge of this aquifer and obtain a reliable estimation of its recharge amount as well as estimate its annual renewal rate.
Journal ArticleDOI
Modelling of ground water recharge-potential in the hard-rock Aravalli terrain, India: a GIS approach.
TL;DR: In this paper, a GIS-based water table fluctuation method has been attempted for quantitative modelling of ground water recharge of the hard-rock Aravalli terrain, which is further used to evaluate recharge-potential of the terrain by integrated assessment of infiltration capacity, normal rainfall, and its cumulative frequency.
Journal ArticleDOI
Modeling of groundwater recharge using a multiple linear regression (MLR) recharge model developed from geophysical parameters: a case of groundwater resources management
TL;DR: In this paper, a simple multiple linear regression (MLR) recharge model was developed for the purpose of efficient groundwater resources management in the southern part of Perak, Malaysia through recharge rate estimation and prediction.
References
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Journal ArticleDOI
A closed-form equation for predicting the hydraulic conductivity of unsaturated soils
van Genuchten,M. Th. +1 more
TL;DR: Van Genuchten et al. as mentioned in this paper proposed a closed-form analytical expression for predicting the hydraulic conductivity of unsaturated soils based on the Mualem theory, which can be used to predict the unsaturated hydraulic flow and mass transport in unsaturated zone.
Journal ArticleDOI
Capillary conduction of liquids through porous mediums
TL;DR: In this article, the authors used Darcey's law to derive the equation K∇2ψ+∇K·∇ψ +g∂K/∂z=−ρsA∆ψ/∆t for the capillary conduction of liquids in porous mediums.