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DatoValore
TitleQuantifying impacts of climate variability and human activities on the streamflow of an Alpine river
AbstractIn this study, we present a review of the current state-of-the-art research on streamflow alteration assessment, and examine the impact of climate variability and human activities on the natural streamflow of a tributary of Lake Maggiore (north-western Italy). The recent concept of climate elasticity of streamflow was used to indicate in which parameters the streamflow is more sensitive. First, a statistically identified change point was used to define the base period. Methods including hydrological sensitivity, climate elasticity and hydrological modelling then allowed us to estimate the anthropogenic and climatic effects on streamflow and to have an idea of the complicated non-linear relationship among streamflow, precipitation and temperature. Our results suggest that climate variability accounted for 85% of the decrease in streamflow. The remaining change could result from land cover-use change. The climate elasticity method used in this study could predict streamflow for future climatic change scenarios.
SourceEnvironmental earth sciences (Print) 77 (19)
KeywordsStreamflowClimate variabilityHuman activitiesHydrological sensitivityClimate elasticity
JournalEnvironmental earth sciences (Print)
EditorSpringer, Berlin, Germania
Year2018
TypeArticolo in rivista
DOI10.1007/s12665-018-7870-z
AuthorsSaidi H.; Dresti C.; Manca D.; Ciampittiello M.
Text392826 2018 10.1007/s12665 018 7870 z Scopus 2 s2.0 85054070985 ISI Web of Science WOS 000446435800001 Streamflow Climate variability Human activities Hydrological sensitivity Climate elasticity Quantifying impacts of climate variability and human activities on the streamflow of an Alpine river Saidi H.; Dresti C.; Manca D.; Ciampittiello M. National Research Council Institute of Ecosystem Study, CNR ISE, Largo Tonolli 50, Verbania Pallanza, 28922, , Italy In this study, we present a review of the current state of the art research on streamflow alteration assessment, and examine the impact of climate variability and human activities on the natural streamflow of a tributary of Lake Maggiore north western Italy . The recent concept of climate elasticity of streamflow was used to indicate in which parameters the streamflow is more sensitive. First, a statistically identified change point was used to define the base period. Methods including hydrological sensitivity, climate elasticity and hydrological modelling then allowed us to estimate the anthropogenic and climatic effects on streamflow and to have an idea of the complicated non linear relationship among streamflow, precipitation and temperature. Our results suggest that climate variability accounted for 85% of the decrease in streamflow. The remaining change could result from land cover use change. The climate elasticity method used in this study could predict streamflow for future climatic change scenarios. 77 Published version http //www.scopus.com/inward/record.url eid=2 s2.0 85054070985 partnerID=q2rCbXpz Articolo 2018_Environmental_Earth_Sciences_77_690.pdf Articolo in rivista Springer 1866 6280 Environmental earth sciences Print Environmental earth sciences Print Environ. earth sci. Print Environmental earth sciences. Print claudia.dresti DRESTI CLAUDIA helmi.saidi SAIDI HELMI marzia.ciampittiello CIAMPITTIELLO MARZIA dario.manca MANCA DARIO