Christian Valentin

ORCID: 0000-0003-1168-4287
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About
Contact & Profiles
Research Areas
  • Soil erosion and sediment transport
  • Hydrology and Watershed Management Studies
  • Agriculture and Rural Development Research
  • Aeolian processes and effects
  • Hydrology and Sediment Transport Processes
  • Biocrusts and Microbial Ecology
  • Soil Carbon and Nitrogen Dynamics
  • African Botany and Ecology Studies
  • Soil and Unsaturated Flow
  • Ecology and Vegetation Dynamics Studies
  • Flood Risk Assessment and Management
  • Groundwater and Watershed Analysis
  • Conservation, Biodiversity, and Resource Management
  • Landslides and related hazards
  • Southeast Asian Sociopolitical Studies
  • Tree Root and Stability Studies
  • Plant Water Relations and Carbon Dynamics
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Soil Management and Crop Yield
  • Ecosystem dynamics and resilience
  • Geological and Geophysical Studies Worldwide
  • Rangeland Management and Livestock Ecology
  • Vietnamese History and Culture Studies
  • Irrigation Practices and Water Management
  • Soil and Land Suitability Analysis

Iowa State University
2025

Sorbonne Université
2012-2024

Université Paris-Est Créteil
2012-2024

Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2016-2024

Institut d'écologie et des sciences de l'environnement de Paris
2015-2024

Université Paris Cité
2004-2024

Centre National de la Recherche Scientifique
2009-2024

Institut de Recherche pour le Développement
2014-2024

University of Cologne
2023

Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail
2023

Jérôme Gaillardet Isabelle Braud Fatim Hankard Sandrine Anquetin Olivier Bour and 95 more N. Dorfliger Jean‐Raynald de Dreuzy Sylvie Galle C. Galy Sébastien Gogo Laurence Gourcy Florence Habets Fatima Laggoun Laurent Longuevergne Tanguy Le Borgne Florence Naaim-Bouvet Guillaume Nord Vincent Simonneaux Delphine Six Tiphaine Tallec Christian Valentin Gwénaël Abril Pascal Allemand Alexandra Arènes Bruno Arfib Luc Arnaud N. Arnaud Patrick Arnaud Stephan Audry Vincent Bailly-Comte C. Batiot Annick Battais H. Bellot Éric Bernard Catherine Bertrand Hélène Bessiere Stéphane Binet Jacques Bodin Xavier Bodin Laurie Boithias J. Bouchez Brice Boudevillain I. Bouzou Moussa Flora Branger Jean‐Jacques Braun Pascal Brunet Billy A. Caceres Damien Calmels B. Cappelaere Hélène Celle‐Jeanton François Chabaux Konstantinos Chalikakis Cédric Champollion Yoann Copard C. Cotel Philippe Davy Philip Deline Guy Delrieu Jérôme Demarty C. Dessert Marc Dumont Christophe Emblanch Jamal Ezzahar M. Estèves Vincent Favier M. Faucheux Naziano Filizola P. Flammarion Paul Floury Ophélie Fovet Matthieu Fournier André‐Jean Francez Laure Gandois Chantal Gascuel Éric Gayer Christophe Genthon Marie‐Françoise Gerard Daniel Gilbert Isabelle Gouttevin Manuela Grippa Gérard Gruau Abderrahim Jardani Laurent Jeanneau Jean‐Lambert Join Hervé Jourde Fatima Karbou David Labat Yvan Lagadeuc É. Lajeunesse Roland Lastennet Waldo Lavado‐Casimiro Agnidé Emmanuel Lawin Thierry Lebel Caroline Le Bouteiller Cédric Legoût Yves Lejeune E. Le Meur Nicolas Le Moigne Julie Lions Antoine Łucas

Core Ideas OZCAR is a network of sites studying the critical zone. covers various disciplines. will help disciplines to work together for better representation and modeling The French zone initiative, called (Observatoires de la Zone Critique–Application et Recherche or Critical Observatories–Application Research) National Research Infrastructure (RI). OZCAR‐RI instrumented sites, bringing 21 pre‐existing research observatories monitoring different compartments situated between “the rock...

10.2136/vzj2018.04.0067 article EN cc-by-nc-nd Vadose Zone Journal 2018-01-01

1 Two-phase mosaics, or striped vegetation patterns (densely vegetated bands alternating regularly with bare areas), have been reported in arid and semiarid zones. They can occur provided (a) total rainfall is not sufficient t o maintain a dense cover; (b) uniform sheet flow compensate, at least partly, for the lack of water. 2 Recent studies demonstrate that follow successional model, which areas are colonized by pioneer front. Local South West Niger suggest transitions could between...

10.2307/2261602 article EN Journal of Ecology 1995-06-01

Abstract Surface soils, which contain the largest pool of terrestrial organic carbon (C), may be able to sequester atmospheric C and thus mitigate climate change. However, this remains controversial, largely due insufficient data knowledge gaps in respect contents stocks soils main factors their control. Up now despite numerous evaluations soil (SOC) worldwide, sloping lands southeast Asia, one most biogeochemically active regions world, remain uninvestigated. Our objective was quantify SOC...

10.1111/j.1365-2486.2009.02013.x article EN Global Change Biology 2009-06-26

Summary Predicting the rate at which rain infiltrates on steep slopes is very uncertain. There no consistent information in literature. We have therefore related infiltrability to slope gradient under field conditions by experimenting a gravelly loamy soil occupying upper half of cultivated convex hill northern Thailand. Fifteen 1 m × plots with gradients ranging from 16 63% were established, and simulated was allowed fall them controlled rates for fixed times. obtained following results....

10.1046/j.1365-2389.2003.00494.x article EN European Journal of Soil Science 2003-08-27
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