2005
DOI: 10.7202/705341ar
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Homogénéisation des signaux isotopiques, 18O et 3H, dans un système hydrologique de haute montagne : la Vallée d'Aoste (Italie)

Abstract: L'analyse de l'origine et de la dynamique des écoulements souterrains dans l'aquifère du milieu alluvial de la plaine d'Aoste (Italie) a été menée en étudiant les teneurs isotopiques (18O et 3H) des eaux sur l'ensemble du système hydrologique. La démarche a consisté en un suivi isotopique des précipitations pluvio-neigeuses, des sources de versants, du réseau de surface et de l'aquifère alluvial, complété par des analyses ponctuelles concernant l'horizon superficiel des glaciers et les sous-écoulements glaciai… Show more

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Cited by 3 publications
(2 citation statements)
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“…This impact of snowmelt is also observed at Super‐Sauze. The experimental relationship proposed for summer and winter at La Clapière (Gugliemi et al, .2000) has a slope close to the reference curves established for the Mediterranean region (between 0.15% and 0.30‰ 100 m −1 ; Guglielmi et al, ; Novel et al, ; Celle et al, ).…”
Section: Resultssupporting
confidence: 63%
“…This impact of snowmelt is also observed at Super‐Sauze. The experimental relationship proposed for summer and winter at La Clapière (Gugliemi et al, .2000) has a slope close to the reference curves established for the Mediterranean region (between 0.15% and 0.30‰ 100 m −1 ; Guglielmi et al, ; Novel et al, ; Celle et al, ).…”
Section: Resultssupporting
confidence: 63%
“…The excess of deuterium above 10 reflects the remobilization of atmospheric water vapor of continental origin during the path of air masses from the Gulf of Guinea over the surrounding tropical forest [11,12]. The calibration of stable isotopetemperature relationships was refined by quantifying the relative impact of site temperatures at seasonal, interannual, and interdecadal levels [8,13]. At the interannual level, the variability is such that the correlations obtained are weak.…”
Section: Definition Of the Isotopic Input Signalmentioning
confidence: 99%