SNO KARST: A French Network of Observatories for the Multidisciplinary Study of Critical Zone Processes in Karst Watersheds and Aquifers

H. Jourde 1, 2 N. Massei 3, 2 Naomi Mazzilli 4, 5, 2 Stéphane Binet 6, 7, 2 C. Batiot-Guilhe 1, 2 D. Labat 8, 2 M. Steinmann 9, 2 V. Bailly-Comte 10, 2 J.L. Seidel 1, 2 B. Arfib 11, 2 J Charlier 10, 2 V. Guinot 12, 2 A. Jardani 3, 2 M. Fournier 3, 2 M. Aliouache 1, 2 M. Babic 4, 5, 2 C. Bertrand 9, 2 P. Brunet 1, 2 J.F. Boyer 1, 2 J Bricquet 1, 2 T. Camboulive 13, 2 S. Carrière 4, 5, 2 H. Celle-Jeanton 9, 2 K. Chalikakis 4, 5, 2 N. Chen 14, 2 C. Cholet 9, 2 V. Clauzon 1, 2 L. Dal Soglio 5, 4, 2 C. Danquigny 5, 4, 2 Christian Défarge 6, 7, 2 S. Denimal 9, 2 C. Emblanch 5, 4, 2 F. Hernandez 1, 2 M. Gillon 4, 5, 2 A. Gutierrez 10, 2 Liz Stefanny Hidalgo Sanchez 2, 15 M. Hery 1 N. Houillon 16, 2 Anne Johannet 2, 17 J. Jouves 11, 2 N. Jozja 18, 2 B. Ladouche 10, 2 V. Leonardi 1, 2 G. Lorette 16, 2 C. Loup 9, 2 P. Marchand 1, 2 V. de Montety 1, 2 R. Müller 1, 2 C. Ollivier 4, 5, 2 V. Sivelle 19, 2 R. Lastennet 16, 2 N. Lecoq 3, 2 J Maréchal 10, 2 L. Perotin 1, 2 J. Perrin 10, 2 M. Petre 1, 2 N. Peyraube 16, 2 S. Pistre 1, 2 V. Plagnes 14, 2 A. Probst 13, 2 J.L. Probst 13, 2 R. Simler 4, 5, 2 V. Stefani 9, 2 D. Valdès-Lao 14, 2 S. Viseur 11, 2 X. Wang 1, 2
Abstract : Karst aquifers and watersheds represent a major source of drinking water around the world. They are also known as complex and often highly vulnerable hydrosystems due to strong surface–groundwater interactions. Improving the understanding of karst functioning is thus a major issue for the efficient management of karst groundwater resources. A comprehensive understanding of the various processes can be achieved only by studying karst systems across a wide range of spatiotemporal scales under different geological, geomorphological, climatic, and soil cover settings. The objective of the French Karst National Observatory Service (SNO KARST) is to supply the international scientific community with appropriate data and tools, with the ambition of (i) facilitating the collection of long-term observations of hydrogeochemical variables in karst, and (ii) promoting knowledge sharing and developing cross-disciplinary research on karst. This paper provides an overview of the monitoring sites and collective achievements, such as the KarstMod modular modeling platform and the PaPRIKa toolbox, of SNO KARST. It also presents the research questions addressed within the framework of this network, along with major research results regarding (i) the hydrological response of karst to climate and anthropogenic changes, (ii) the influence of karst on geochemical balance of watersheds in the critical zone, and (iii) the relationships between the structure and hydrological functioning of karst aquifers and watersheds.
Keywords : karst aquifers
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H. Jourde, N. Massei, Naomi Mazzilli, Stéphane Binet, C. Batiot-Guilhe, et al.. SNO KARST: A French Network of Observatories for the Multidisciplinary Study of Critical Zone Processes in Karst Watersheds and Aquifers. Vadose Zone Journal, Soil science society of America - Geological society of America., 2018, 17 (1), ⟨10.2136/vzj2018.04.0094⟩. ⟨hal-01966716⟩

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