Modélisation heuristique de la criticité des basses eaux en région méditerranéenne

The expected impacts of climate change on water supplies give rise to many questions about the emergence of situations of tension between resources and uses, especially for territories already fragile hydrological regime. In France, the area subject to the Mediterranean climate is particularly conce...

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Main Authors: Ingrid Canovas, Philippe Martin, Sophie Sauvagnargues
Format: Article
Language:English
Published: Physio-Géo
Series:Physio-Géo
Subjects:
Online Access:https://journals.openedition.org/physio-geo/4994
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author Ingrid Canovas
Philippe Martin
Sophie Sauvagnargues
author_facet Ingrid Canovas
Philippe Martin
Sophie Sauvagnargues
author_sort Ingrid Canovas
collection DOAJ
description The expected impacts of climate change on water supplies give rise to many questions about the emergence of situations of tension between resources and uses, especially for territories already fragile hydrological regime. In France, the area subject to the Mediterranean climate is particularly concerned by the water availability issue during summertime, because it is a hot and sparsely watered area and because it attracts more temporary and permanent people every year. Thus, one can wonder how the risk of water scarcity is structured and how the evolution of its components can lead to a critical situation, in which the system’s state generating the risk can be changed. Such a reflection should then focuses on the advent of a critical situation: dynamic balance, technical aspects, regulatory, policy, etc. In our purposes, we are intending to develop a methodology allowing a chronological and probabilistic modeling of the criticity of low flows through kindenograms (from kindunos, danger). We therefore propose to decline this approach for low flows situations, defined as a delicate balance, at both particular time and place, between the available water resource and the combined environmental and societal demand. The low flows' state, conditioned by natural and human forcings, would then translate an "hydric deficiency", to satisfy at least one water use, over short or long periods.
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spelling doaj.art-c7b84c21ca024891aa319f4e518f4cd92024-02-13T13:23:48ZengPhysio-GéoPhysio-Géo1958-573X1019121010.4000/physio-geo.4994Modélisation heuristique de la criticité des basses eaux en région méditerranéenneIngrid CanovasPhilippe MartinSophie SauvagnarguesThe expected impacts of climate change on water supplies give rise to many questions about the emergence of situations of tension between resources and uses, especially for territories already fragile hydrological regime. In France, the area subject to the Mediterranean climate is particularly concerned by the water availability issue during summertime, because it is a hot and sparsely watered area and because it attracts more temporary and permanent people every year. Thus, one can wonder how the risk of water scarcity is structured and how the evolution of its components can lead to a critical situation, in which the system’s state generating the risk can be changed. Such a reflection should then focuses on the advent of a critical situation: dynamic balance, technical aspects, regulatory, policy, etc. In our purposes, we are intending to develop a methodology allowing a chronological and probabilistic modeling of the criticity of low flows through kindenograms (from kindunos, danger). We therefore propose to decline this approach for low flows situations, defined as a delicate balance, at both particular time and place, between the available water resource and the combined environmental and societal demand. The low flows' state, conditioned by natural and human forcings, would then translate an "hydric deficiency", to satisfy at least one water use, over short or long periods.https://journals.openedition.org/physio-geo/4994droughtlow flowsprobabilistic approachstatistical thresholdskindenogramm
spellingShingle Ingrid Canovas
Philippe Martin
Sophie Sauvagnargues
Modélisation heuristique de la criticité des basses eaux en région méditerranéenne
Physio-Géo
drought
low flows
probabilistic approach
statistical thresholds
kindenogramm
title Modélisation heuristique de la criticité des basses eaux en région méditerranéenne
title_full Modélisation heuristique de la criticité des basses eaux en région méditerranéenne
title_fullStr Modélisation heuristique de la criticité des basses eaux en région méditerranéenne
title_full_unstemmed Modélisation heuristique de la criticité des basses eaux en région méditerranéenne
title_short Modélisation heuristique de la criticité des basses eaux en région méditerranéenne
title_sort modelisation heuristique de la criticite des basses eaux en region mediterraneenne
topic drought
low flows
probabilistic approach
statistical thresholds
kindenogramm
url https://journals.openedition.org/physio-geo/4994
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AT philippemartin modelisationheuristiquedelacriticitedesbasseseauxenregionmediterraneenne
AT sophiesauvagnargues modelisationheuristiquedelacriticitedesbasseseauxenregionmediterraneenne