A methodology to analyse and assess pumping management strategies in coastal aquifers to avoid degradation due to seawater intrusion problems
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Other documents of the author: Renau-Pruñonosa, Arianna; Morell, Ignacio; Pulido Velázquez, David
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/33596
comunitat-uji-handle3:10234/33597
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INVESTIGACIONMetadata
Title
A methodology to analyse and assess pumping management strategies in coastal aquifers to avoid degradation due to seawater intrusion problemsDate
2016Publisher
SpringerISSN
0920-4741; 1573-1650Bibliographic citation
Renau-Pruñonosa, A., Morell, I. & Pulido-Velazquez, D. Water Resour Manage (2016). doi:10.1007/s11269-016-1455-yType
info:eu-repo/semantics/articlePublisher version
http://link.springer.com/article/10.1007/s11269-016-1455-yVersion
info:eu-repo/semantics/acceptedVersionSubject
Abstract
In this paper we will focus on an interesting and complex problem, the analysis of
coastal aquifer management alternatives in aquifers affected by seawater intrusion problems. A
systhematic method based on an ... [+]
In this paper we will focus on an interesting and complex problem, the analysis of
coastal aquifer management alternatives in aquifers affected by seawater intrusion problems. A
systhematic method based on an approximation of the safe yield concept for coastal aquifers
and a simple model approach to the problem is proposed to help in the decision making
process. It is based on the assessment of an index, that we have called the Pumping Reduction
to Achieve a Natural Good Status (PRANGS), which we have defined as the minimum
reduction in pumped abstractions necessary to maintain seawater intrusion below the value
estimated for the natural regime under different climate conditions: humid (PRANGSh),
intermediate (PRANGSi) and dry years (PRANGSd). It requires to solve an optimization
problem (for each of the climate conditions: humid, intermediate and dry years), whose
objective function is to minimize the reduction in pumping whilst ensuring intrusion does
not exceed the natural regime ones. A simulation model that provides a valid approximation of
seawater intrusion is needed. The methodology was applied to a well-known Spanish
Mediterranean aquifer, the Oropesa-Torreblanca Plain aquifer. The optimization problem
was solved using an iterative process from a constant density flow simulation model of the
aquifer, assuming a direct relationship between piezometric drawdown and seawater intrusion. [-]
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