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OZCAR : The French Network of Critical Zone Observatories

By J. Gaillardet, I. Braud, F. Hankard, S. Anquetin, Olivier Bour, N. Dorfliger, Jean-Raynald De Dreuzy, S. Galle, C. Galy, Sébastien Gogo, Laurence Gourcy, F. Habets, Fatima Laggoun-Défarge, Laurent Longuevergne, Tanguy Le Borgne, F. Naaim-Bouvet, G. Nord, V. Simonneaux, D. Six, T. Tallec, C. Valentin, G. Abril, P. Allemand, A. Arènes, B. Arfib, L. Arnaud, N. Arnaud, P. Arnaud, S. Audry, Vincent Bailly Comte, Christelle Batiot-Guilhe, Annick Battais, H. Bellot, Eric Bernard, C. Bertrand, H. Bessière, Stéphane Binet, J. Bodin, X. Bodin, L. Boithias, J. Bouchez, B. Boudevillain, I. Moussa, F. Branger, J. Braun, Pascal BRUNET, B. Caceres, D. Calmels, B. Cappelaere, Hélène Celle-Jeanton, F. Chabaux, K. Chalikakis, C. Champollion, Yoann Copard, C. Cotel, Philippe Davy, P. Deline, G. Delrieu, J. Demarty, C. Dessert, M. Dumont, C. Emblanch, J. Ezzahar, M. Estèves, V. Favier, M. Faucheux, N. Filizola, P. Flammarion, P. Floury, Matthieu Fournier, O. Fovet, J. Francez, L. Gandois, C. Gascuel, E. Gayer, C. Genthon, F. Gérard, D. Gilbert, I. Gouttevin, M. Grippa, Gérard Gruau, Abderrahim Jardani, Laurent Jeanneau, Jean-Lambert Join, H. Jourde, F. Karbou, Y. Lagadeuc, E. Lajeunesse, R. Lastennet, W. Lavado, E. Lawin, T. Lebel, C. Le Bouteiller, C. Legout, Y. Lejeune, E. Le Meur, N. Le Moigne, J. Lions, A. Lucas, J. Malet, C. Marais-Sicre, Jean-Christophe Maréchal, C. Marlin, P. Martin, J. Martin, Nicolas Massei, A. Mauclerc, Naomi Mazzilli, Jérôme Molenat, P. Moreira-Turcq, E. Mougin, S. Morin, J. Ngoupayou, G. Panthou, C. Peugeot, G. Picard, C. Pierret, G. Porel, A. Probst, J. Probst, A. Rabatel, Damien Raclot, Ludovic Ravanel, Fayçal Rejiba, P. René, O. Ribolzi, J. Riotte, A. RiviÈre, H. Robain, L. Ruiz, J. Sanchez-Perez, W. Santini, S. Sauvage, Philippe Schoeneich, J. Seidel, M. Sekhar, O. Sengtaheuanghoung, N. Silvera, M. Steinmann, A. Soruco, G. Tallec, E. Thibert, D. Lao, C. Vincent, D. Viville, P. Wagnon, R. Zitouna and David Labat

Abstract

Special Section: Hydrological ObservatoriesInternational audienceThe French critical zone initiative, called OZCAR (Observatoires de la Zone Critique-Application et Recherche or Critical Zone Observatories-Application and Research) is a National Research Infrastructure (RI). OZCAR-RI is a network of instrumented sites, bringing together 21 pre-existing research observatories monitoring different compartments of the zone situated between "the rock and the sky," the Earth's skin or critical zone (CZ), over the long term. These observatories are regionally based and have specific initial scientific questions, monitoring strategies, databases, and modeling activities. The diversity of OZCAR-RI observatories and sites is well representative of the heterogeneity of the CZ and of the scientific communities studying it. Despite this diversity, all OZCAR-RI sites share a main overarching mandate, which is to monitor, understand, and predict ("earthcast") the fluxes of water and matter of the Earth's near surface and how they will change in response to the "new climatic regime." The vision for OZCAR strategic development aims at designing an open infrastructure, building a national CZ community able to share a systemic representation of the CZ , and educating a new generation of scientists more apt to tackle the wicked problem of the Anthropocene. OZCAR articulates around: (i) a set of common scientific questions and cross-cutting scientific activities using the wealth of OZCAR-RI observatories, (ii) an ambitious instrumental development program, and (iii) a better interaction between data and models to integrate the different time and spatial scales. Internationally, OZCAR-RI aims at strengthening the CZ community by providing a model of organization for pre-existing observatories and by offering CZ instrumented sites. OZCAR is one of two French mirrors of the European Strategy Forum on Research Infrastructure (eLTER-ESFRI) project

Topics: OZCAR, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, [SDU]Sciences of the Universe [physics], [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, [SDE.ES]Environmental Sciences/Environmental and Society, [SDE.IE]Environmental Sciences/Environmental Engineering, [SDE]Environmental Sciences
Publisher: 'Soil Science Society of America'
Year: 2018
DOI identifier: 10.2136/vzj2018.04.0067
OAI identifier: oai:HAL:insu-01944414v1
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