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Geosciences 2018, 8(9), 344; https://doi.org/10.3390/geosciences8090344

Assessment of Specific Yield in Karstified Fractured Rock through the Water-Budget Method

1
Istituto di Scienze dell’Atmosfera e del Clima, Consiglio Nazionale delle Ricerche, Complesso Ecotekne, Via per Monteroni, 73100 Lecce, Italy
2
Dipartimento di Ingegneria dell’Innovazione, Università del Salento, Complesso Ecotekne, Via per Monteroni, 73100 Lecce, Italy
*
Author to whom correspondence should be addressed.
Received: 26 July 2018 / Revised: 1 September 2018 / Accepted: 1 September 2018 / Published: 11 September 2018
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Abstract

In this note, the Water Budget Method (WBM) is applied to estimate local values of the specific yield of the deep karst aquifer of Salento peninsula. A selection in a period of two years of relevant short precipitation events has been considered and the related localized recharges have been compared to the water table fluctuations measured at two selected wells. The recharge amounts have been corrected by using data of evapotranspiration and soil water storage available from a micrometeorological base. The results are very similar for both the wells and more consistent when the corrections are applied. A discussion involving frequency and apertures of the fractures in the rock mass of the aquifer suggests the effect of the karst dissolution to be dominant in determining these values of the specific yield. View Full-Text
Keywords: specific yield; unconfined aquifers; karstified fractured rock; surface hydrological balance; water budget method specific yield; unconfined aquifers; karstified fractured rock; surface hydrological balance; water budget method
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Delle Rose, M.; Fidelibus, C.; Martano, P. Assessment of Specific Yield in Karstified Fractured Rock through the Water-Budget Method. Geosciences 2018, 8, 344.

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