On the Environmental Efficiency of Water Storage: the Case of a Conjunctive use of Ground and Rainwater

Hubert Stahn and Agnes Tomini ()
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Hubert Stahn: GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique
Agnes Tomini: GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique

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Abstract: Rainwater harvesting, consisting in collecting runoff from precipitation, has been widely developed to stop groundwater declines and even raise water tables. However, this expected environmental effect is not self-evident. We show in a simple setting that the success of this conjunctive use depends on whether the runoff rate is above a threshold value. Moreover, the bigger the storage capacity, the higher the runoff rate must be to obtain an environmentally efficient system. We also extend the model to include other hydrological parameters and ecological damages, which respectively increase and decrease the environmental efficiency of rainwater harvesting.

Keywords: Economie; quantitative (search for similar items in EconPapers)
Date: 2025-01-06
Note: View the original document on HAL open archive server: https://amu.hal.science/hal-01447869v1
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Persistent link: https://EconPapers.repec.org/RePEc:hal:wpaper:hal-01447869

DOI: 10.1007/s10666-016-9509-3

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