World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
49
Citations
7475
World Ranking
5338
National Ranking
238

Overview

Olivier Merlin is affiliated with Paul Sabatier University in France. Their research focuses broadly on Environmental Science and Earth and Planetary Sciences, with particular work in subfields such as Environmental Engineering, Atmospheric Science, Global and Planetary Change, Soil Science, and Water Science and Technology.

Their publications cover a range of topics including Soil Moisture and Remote Sensing, Plant Water Relations and Carbon Dynamics, Precipitation Measurement and Analysis, Irrigation Practices and Water Management, Hydrology and Watershed Management Studies, Climate Change and Permafrost, and Soil and Unsaturated Flow.

Recent notable papers authored or co-authored by Olivier Merlin include:

  • Comprehensive analysis of alternative downscaled soil moisture products, 2020, Remote Sensing of Environment
  • Irrigation retrieval from Landsat optical/thermal data integrated into a crop water balance model: A case study over winter wheat fields in a semi-arid region, 2020, Remote Sensing of Environment
  • Performance of the HYDRUS-1D model for water balance components assessment of irrigated winter wheat under different water managements in semi-arid region of Morocco, 2020, Agricultural Water Management
  • The Soil Moisture Active Passive Experiments: Validation of the SMAP Products in Australia, 2020, IEEE Transactions on Geoscience and Remote Sensing
  • Machine-Learning-Based Downscaling of Hourly ERA5-Land Air Temperature over Mountainous Regions, 2023, Atmosphere

Olivier Merlin has collaborated frequently with several researchers, including Salah Er-Raki, Saïd Khabba, Vincent Rivalland, Abdelghani Chehbouni, and Maria-José Escorihuela.

Their work has been published repeatedly in venues such as Agricultural Water Management, Remote Sensing, SSRN Electronic Journal, Remote Sensing of Environment, and Hydrology and Earth System Sciences.

Best Publications

  • A review of spatial downscaling of satellite remotely sensed soil moisture

    Jian Peng;Alexander Loew;Alexander Loew;Olivier Merlin;Niko E. C. Verhoest

  • Towards deterministic downscaling of SMOS soil moisture using MODIS derived soil evaporative efficiency

    Olivier Merlin;Jeffrey P. Walker;Abdelghani Chehbouni;Yann Kerr

  • Evaluation of SMOS Soil Moisture Products Over Continental U.S. Using the SCAN/SNOTEL Network

    Ahmad Al Bitar;D. Leroux;Y. H. Kerr;O. Merlin

  • Disaggregation of SMOS Soil Moisture in Southeastern Australia

    O. Merlin;C. Rudiger;Ahmad Al Bitar;P. Richaume

  • Self-calibrated evaporation-based disaggregation of SMOS soil moisture: An evaluation study at 3 km and 100 m resolution in Catalunya, Spain

    Olivier Merlin;Maria José Escorihuela;Miquel Aran Mayoral;Olivier Hagolle

  • Disaggregation of MODIS surface temperature over an agricultural area using a time series of Formosat-2 images

    Olivier Merlin;Benoît Duchemin;Olivier Hagolle;Frédéric Jacob

  • An improved algorithm for disaggregating microwave-derived soil moisture based on red, near-infrared and thermal-infrared data

    Olivier Merlin;Ahmad Al Bitar;Jeffrey P. Walker;Yann Kerr

  • SMOS disaggregated soil moisture product at 1 km resolution: Processor overview and first validation results

    B. Molero;Olivier Merlin;Y. Malbeteau;A. Al Bitar

  • Retrieving surface soil moisture at high spatio-temporal resolution from a synergy between Sentinel-1 radar and Landsat thermal data: A study case over bare soil

    Abdelhakim Amazirh;Olivier Merlin;Salah Er-Raki;Qi Gao

  • An integrated modelling and remote sensing approach for hydrological study in arid and semi-arid regions: the SUDMED Programme

    A. Chehbouni;R. Escadafal;B. Duchemin;G. Boulet

  • A combined modeling and multispectral/multiresolution remote sensing approach for disaggregation of surface soil moisture: application to SMOS configuration

    O. Merlin;A.G. Chehbouni;Y.H. Kerr;E.G. Njoku

  • The NAFE'05/CoSMOS Data Set: Toward SMOS Soil Moisture Retrieval, Downscaling, and Assimilation

    R. Panciera;J.P. Walker;J.D. Kalma;E.J. Kim

  • Intercomparison of four remote-sensing-based energy balance methods to retrieve surface evapotranspiration and water stress of irrigated fields in semi-arid climate.

    J. Chirouze;G. Boulet;L. Jarlan;R. Fieuzal

  • Remote Sensing of Water Resources in Semi-Arid Mediterranean Areas: the joint international laboratory TREMA

    L. Jarlan;S. Khabba;S. Er-Raki;M. Le Page

  • Spatial Downscaling of SMAP Soil Moisture Using MODIS Land Surface Temperature and NDVI During SMAPVEX15

    Andreas Colliander;Joshua B. Fisher;Gregory Halverson;Olivier Merlin

  • A Simple Method to Disaggregate Passive Microwave-Based Soil Moisture

    O. Merlin;A. Chehbouni;J.P. Walker;R. Panciera

  • The NAFE'06 data set: towards soil moisture retrieval at intermediate resolution

    Olivier Merlin;Jeffrey P. Walker;Jetse D. Kalma;Edward J. Kim

  • Performance Metrics for Soil Moisture Downscaling Methods: Application to DISPATCH Data in Central Morocco

    Olivier Merlin;Yoann Malbéteau;Youness Notfi;Stefan Bacon

  • A downscaling method for distributing surface soil moisture within a microwave pixel: Application to the Monsoon '90 data

    O. Merlin;A. Chehbouni;Y.H. Kerr;D.C. Goodrich

  • An image-based four-source surface energy balance model to estimate crop evapotranspiration from solar reflectance/thermal emission data (SEB-4S)

    Olivier Merlin;Jonas Chirouze;Albert Olioso;Albert Olioso;Lionel Jarlan

  • Soil Texture Effects on Surface Resistance to Bare-Soil Evaporation

    Peter Lehmann;Olivier Merlin;Pierre Gentine;Dani Or

  • DisPATCh as a tool to evaluate coarse-scale remotely sensed soil moisture using localized in situ measurements: Application to SMOS and AMSR-E data in Southeastern Australia

    Yoann Malbéteau;Olivier Merlin;Beatriz Molero;Christoph Rüdiger

Frequent Co-Authors

Salah Er-Raki
Salah Er-Raki Cadi Ayyad University
Yann Kerr
Yann Kerr Federal University of Toulouse Midi-Pyrénées
Jeffrey P. Walker
Jeffrey P. Walker Monash University
Said Khabba
Said Khabba Cadi Ayyad University
Ahmad Al Bitar
Ahmad Al Bitar Federal University of Toulouse Midi-Pyrénées
Lionel Jarlan
Lionel Jarlan Institut de Recherche pour le Développement
Gilles Boulet
Gilles Boulet Institut de Recherche pour le Développement
Arnaud Mialon
Arnaud Mialon Centre national de la recherche scientifique, CNRS
Albert Olioso
Albert Olioso INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Jetse D. Kalma
Jetse D. Kalma University of Newcastle Australia

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