Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

27 résultats

Hydrological and productive impacts of recent land‐use and land‐cover changes in the semiarid Chaco: Understanding novel water excess in water scarce farmlands

Raul Giménez , Jorge Mercau , Federico Bert , Sylvain Kuppel , German Baldi , et al.
Ecohydrology, 2020, 13 (8), ⟨10.1002/eco.2243⟩
Article dans une revue hal-03462303v1
Image document

Quantifying the model structural error in carbon cycle data assimilation systems

S. Kuppel , F. Chevallier , P. Peylin
Geoscientific Model Development, 2013, 6 (1), pp.45-55. ⟨10.5194/GMD-6-45-2013⟩
Article dans une revue hal-02950653v1

An agent-based model that simulates the spatio-temporal dynamics of sources and transfer mechanisms contributing faecal indicator organisms to streams. Part 1: Background and model description

Aaron Neill , Doerthe Tetzlaff , Norval J.C. Strachan , Rupert Hough , Lisa Avery , et al.
Journal of Environmental Management, 2020, 270, pp.110903. ⟨10.1016/j.jenvman.2020.110903⟩
Article dans une revue hal-03462160v1

Numerical Analysis of the Extraction of Negative Hydrogen Ion in the Extraction Region of Negative Ion Source

S. Wada , S. Kuppel , Y. Fukuyama , K. Miyamoto , A. Hatayama , et al.
2nd International Symposium on Negative Ions, Beams and Sources, Nov 2010, Takayama City, Japan. pp.58-67
Communication dans un congrès hal-02893264v1

Multi-site modelling of hydrological and geochemical flux partitioning within the OZCAR French CZO network.Towards disentangling climatic, belowground and land-use drivers

Isabelle Braud , S. Kuppel , Sandrine Anquetin , F. Habets , Jérôme Gaillardet
AGU 2019, Dec 2019, San Fransisco, United States. pp.1, 2019
Poster de conférence hal-02610044v1
Image document

Constraining a global ecosystem model with multi-site eddy-covariance data

S. Kuppel , P. Peylin , F. Chevallier , C. Bacour , F. Maignan , et al.
Biogeosciences, 2012, 9 (10), pp.3757 - 3776. ⟨10.5194/bg-9-3757-2012⟩
Article dans une revue hal-02651967v1
Image document

A new stepwise carbon cycle data assimilation system using multiple data streams to constrain the simulated land surface carbon cycle

Philippe Peylin , Cédric Bacour , Natasha Macbean , Sébastien Leonard , Peter Rayner , et al.
Geoscientific Model Development, 2016, 9 (9), pp.3321 - 3346. ⟨10.5194/gmd-9-3321-2016⟩
Article dans une revue hal-01587425v1

Looking for feedback loops in the critical zone

Christophe Peugeot , Valentin Wendling , Manuela Grippa , Abdramane Ba , Stéphane Binet , et al.
1st OZCAR-TERENO International Conference, Oct 2021, Strasbourg, France
Communication dans un congrès hal-03412245v1

Bridging ecohydrology and geochemistry with a process-based model-data approach: a link between ow paths, root uptake and weathering patterns

Sylvain Kuppel , Yves Godderis , Jean Riotte , Laurent Ruiz , Isabelle Braud , et al.
1rst OZCAR TERENO Conference, Oct 2021, Strasbourg, France
Communication dans un congrès hal-03472880v1

Integrated and ecohydrological modeling of the water cycle in three contrasting long term observatories (OZCAR network, France)

J. Ackerer , S. Kuppel , I. Braud , S. Anquetin , S. Pasquet , et al.
2nd TERERNO-OZCAR Conference, Sep 2023, Bonn, Germany, Germany
Communication dans un congrès hal-04356753v1

Numerical analysis of electronegative plasma in the extraction region of negative hydrogen ion sources

S. Kuppel , D. Matsushita , A. Hatayama , M. Bacal
Journal of Applied Physics, 2011, 109 (1), pp.013305. ⟨10.1063/1.3530454⟩
Article dans une revue hal-01551677v1

Impact of tropical forest cover changes on the spatio-temporal heterogeneities of water flow paths and water-rock interactions

Sylvain Kuppel , Yves Godderis , Jean Riotte , Isabelle Braud , Muddu Sekhar , et al.
AGU2020, Dec 2020, San Francisco (Virtual), United States
Communication dans un congrès hal-03126270v1
Image document

Co-variations between plant functional traits emerge from constraining parameterization of a terrestrial biosphere model

Marc Peaucelle , Cédric Bacour , Philippe Ciais , Nicolas Vuichard , Sylvain Kuppel , et al.
Global Ecology and Biogeography, 2019, 27 (9), pp.1351-1365. ⟨10.1111/geb.12937⟩
Article dans une revue hal-02371849v1
Image document

Land surface model parameter optimisation using in situ flux data: comparison of gradient-based versus random search algorithms (a case study using ORCHIDEE v1.9.5.2)

Vladislav Bastrikov , Natasha Macbean , Cedric Bacour , Diego Santaren , Sylvain Kuppel , et al.
Geoscientific Model Development, 2018, 11 (12), pp.4739-4754. ⟨10.5194/gmd-11-4739-2018⟩
Article dans une revue hal-02398291v1

Influence of the electron cross-field diffusion in negative ion sources with the transverse magnetic field and the plasma-electrode bias

M. Bacal , S. Kuppel , D. Matsushita , A. Hatayama
13th International Conference on Ion Sources, Sep 2009, Gatlinburg, Tennessee, United States. pp.02B503
Communication dans un congrès hal-02893267v1
Image document

Intermittent rivers and ephemeral streams: Perspectives for critical zone science and research on socio‐ecosystems

Ophélie Fovet , Axel Belemtougri , Laurie Boithias , Isabelle Braud , Jean-Baptiste Charlier , et al.
Wiley Interdisciplinary Reviews: Water, 2021, 8 (4), pp.e1523. ⟨10.1002/wat2.1523⟩
Article dans une revue hal-03223974v1

Using isotopes to incorporate tree water storage and mixing dynamics into a distributed ecohydrologic modelling framework

James Knighton , Sylvain Kuppel , Aaron Smith , Chris Soulsby , Matthias Sprenger , et al.
Ecohydrology, 2020, 13 (3), ⟨10.1002/eco.2201⟩
Article dans une revue hal-03206448v1
Image document

Exploring the Critical Zone Heterogeneity and the Hydrological Diversity Using an Integrated Ecohydrological Model in Three Contrasted Long‐Term Observatories

J. Ackerer , S. Kuppel , I. Braud , S. Pasquet , Ophélie Fovet , et al.
Water Resources Research, 2023, 59 (12), pp.e2023WR035672. ⟨10.1029/2023WR035672⟩
Article dans une revue hal-04344295v1
Image document

Quantifying and reducing uncertainty in global carbon cycle predictions: lessons and perspectives from 15 years of data assimilation studies with the ORCHIDEE Terrestrial Biosphere Model

N. Macbean , C. Bacour , N. Raoult , V. Bastrikov , E. Koffi , et al.
Global Biogeochemical Cycles, 2022, 36 (7), pp.e2021GB007177. ⟨10.1029/2021GB007177⟩
Article dans une revue hal-03693760v1

Analysis of the H- ion emissive surface in the extraction region of negative ion sources

N. Kameyama , T. Fukuyama , S. Wada , S. Kuppel , K. Tsumori , et al.
14th International Conference on Ion Sources / Negative Ion Sources, Sep 2011, Giardini Naxos, Italy. pp.02A721
Communication dans un congrès hal-02893265v1
Image document

Critical Zone Storage Controls on the Water Ages of Ecohydrological Outputs

S. Kuppel , D. Tetzlaff , M. P Maneta , C. Soulsby
Geophysical Research Letters, 2020, 47 (16), ⟨10.1029/2020GL088897⟩
Article dans une revue hal-03199711v1
Image document

Water as a critical zone currency: linking water storage and age to root uptake and biogeochemical transport

Sylvain Kuppel , Isabelle Braud , Yves Godderis , Sekhar Muddu , Jean Riotte , et al.
EGU General Assembly 2020, May 2020, Vienna, Austria. ⟨10.5194/egusphere-egu2020-15958⟩
Poster de conférence hal-03126261v1
Image document

Model–data fusion across ecosystems: from multisite optimizations to global simulations

S. Kuppel , P. Peylin , F. Maignan , F. Chevallier , G. Kiely , et al.
Geoscientific Model Development, 2014, 7 (6), pp.2581-2597. ⟨10.5194/GMD-7-2581-2014⟩
Article dans une revue hal-02951037v1
Image document

Building Cross-Site and Cross-Network collaborations in critical zone science

B. Arora , Sylvain Kuppel , C. Wellen , C. Oswald , J. Groh , et al.
Journal of Hydrology, 2023, 618, pp.129248. ⟨10.1016/j.jhydrol.2023.129248⟩
Article dans une revue hal-04016565v1

Ecohydrological modeling in three contrasted watersheds from OZCAR research infrastructure

Julien Ackerer , Sylvain Kuppel , Sandrine Anquetin , Isabelle Braud , Laurent Ruiz , et al.
1st OZCAR-TERENO International Conference, Oct 2021, Strasbourg, France
Communication dans un congrès hal-03412246v1

Use of hydrological signatures to characterize the hydrological functioning of catchments from the OZCAR French Critical Zone

Isabelle Braud , Ousseynou Ka , Pierre-Alain Ayral , Arnaud Blanchouin , Laurie Boithias , et al.
1st OZCAR-TERENO International Conference, Oct 2021, Strasbourg, France
Communication dans un congrès hal-03412247v1

Ecohydrological modeling in three contrasted watersheds from OZCAR research infrastructure

Julien Ackerer , Sylvain Kuppel , Sandrine Anquetin , Isabelle Braud , Laurent Ruiz , et al.
4èmes Journées de Modélisation des Surfaces Continentales (JMSC2022), Oct 2022, Grenoble, France
Communication dans un congrès hal-03899411v1