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Journal ArticleDOI

The use of environmental chloride and tritium to estimate total recharge to an unconfined aquifer

GB Allison, +1 more
- 01 Jan 1978 - 
- Vol. 16, Iss: 2, pp 181-195
TLDR
In this article, a portion of the Gambier plain underlain by an unconfined aquifer with readily definable hydrologic boundaries has been divided into a number of areas within which soil types have similar hydrological properties, and mean annual recharge has been estimated for each area using both the tritium concentration and the chloride concentration of water within the soil profile.
Abstract
A portion of the Gambier Plain underlain by an unconfined aquifer with readily definable hydrologic boundaries has been divided into a number of areas within which soil types have similar hydrologic properties. Mean annual recharge has been estimated for each area using both the tritium concentration and the chloride concentration of water within the soil profile. Good agreement was obtained between the two methods with local recharge varying between 50 and 250 mm year-1. Total mean annual recharge for the area has been estimated to be 2.4 ± 0.3 x 108 m3 year-1, and this compares favourably with an estimated discharge of 2.5 ± 0.3 x 108 m3 year-1.

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Dissertation

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Understanding area specific recharge process from Vadoze zone resistivity variations - a case study in basalt watershed, Ujjain district, Madhya Pradesh

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Chapter 1 G-WADI - UNESCO's Global Network for Water and Development Information for Arid Lands

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References
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Journal ArticleDOI

Chloride concentration in groundwater, recharge rate and rate of deposition of chloride in the Israel Coastal Plain

TL;DR: In this article, a study of the possibility of using chloride concentrations in groundwater for estimating recharge rates is described, the application being demonstrated on available data from the Coastal Plain Aquifer in Israel.
Journal ArticleDOI

Chloride balance of some farmed and forested catchments in southwestern Australia

TL;DR: In this paper, the authors estimate that removal of forest vegetation from forested catchments has increased groundwater discharge of whole catchments by amounts ranging from about 1 to 13 cm3/cm2yr, and the characteristic times for equilibrium of chloride input and loss on farmed catchments are estimated to range from 30 to 400 years.
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