World's Best Scientists 2026 revealed!

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Environmental Sciences

D-Index
44
Citations
8592
World Ranking
6678
National Ranking
289

Overview

Ahmad Al Bitar is affiliated with the Federal University of Toulouse Midi-Pyrénées in France, focusing on environmental science with a particular emphasis on global and planetary change.

Their recent publications cover a range of topics within environmental science, emphasizing hydrology, remote sensing, and carbon dynamics. Notable papers include:

  • Denitrification in wetlands: A review towards a quantification at global scale, 2020, The Science of The Total Environment
  • How much inundation occurs in the Amazon River basin?, 2022, Remote Sensing of Environment
  • On the Use of Satellite Remote Sensing to Detect Floods and Droughts at Large Scales, 2020, Surveys in Geophysics
  • Trade-Offs Between 1-D and 2-D Regional River Hydrodynamic Models, 2020, Water Resources Research
  • Estimation of daily CO2 fluxes and of the components of the carbon budget for winter wheat by the assimilation of Sentinel 2-like remote sensing data into a crop model, 2020, Geoderma

Al Bitar's research spans several specialized subfields, including:

  • Global and Planetary Change
  • Environmental Engineering
  • Ecology
  • Atmospheric Science
  • Water Science and Technology

Their main topics of work are diverse and reflect an integration of remote sensing technology with environmental and agricultural sciences:

  • Soil Moisture and Remote Sensing
  • Flood Risk Assessment and Management
  • Hydrology and Watershed Management Studies
  • Plant Water Relations and Carbon Dynamics
  • Remote Sensing in Agriculture
  • Precipitation Measurement and Analysis
  • Climate change impacts on agriculture

Al Bitar frequently collaborates with a core group of co-authors, including Éric Ceschia, Taeken Wijmer, Marie Parrens, Ayan Santos Fleischmann, and Rémy Fieuzal. These collaborations reflect a networked approach to multidisciplinary environmental science research.

The most common venues for Al Bitar's research publications illustrate their engagement with remote sensing and hydrology fields. Key journals and conferences include:

  • Remote Sensing
  • Zenodo (CERN European Organization for Nuclear Research)
  • Water Resources Research
  • Journal of Hydrology
  • IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium

Best Publications

  • The SMOS Soil Moisture Retrieval Algorithm

    Y. H. Kerr;P. Waldteufel;P. Richaume;J. P. Wigneron

  • Modelling the Passive Microwave Signature from Land Surfaces: A Review of Recent Results and Application to the L-Band SMOS SMAP Soil Moisture Retrieval Algorithms

    J.-P. Wigneron;T.J. Jackson;P. O'Neill;G. De Lannoy

  • Estimating maize biomass and yield over large areas using high spatial and temporal resolution Sentinel-2 like remote sensing data

    Marjorie Battude;Ahmad Al Bitar;David Morin;Jérôme Cros

  • Overview of SMOS performance in terms of global soil moisture monitoring after six years in operation

    Yann H. Kerr;A. Al-Yaari;N. Rodriguez-Fernandez;M. Parrens

  • 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

  • Global-scale evaluation of two satellite-based passive microwave soil moisture datasets (SMOS and AMSR-E) with respect to Land Data Assimilation System estimates

    A. Al-Yaari;A. Al-Yaari;J.-P. Wigneron;A. Ducharne;Y. Kerr

  • 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

  • The global SMOS Level 3 daily soil moisture and brightness temperature maps

    Ahmad Al Bitar;Arnaud Mialon;Yann H. Kerr;Yann H. Kerr;François Cabot;François Cabot

  • SMOS-IC: An Alternative SMOS Soil Moisture and Vegetation Optical Depth Product

    Roberto Fernandez-Moran;Amen Al-Yaari;Arnaud Mialon;Ali Mahmoodi

  • SMOS soil moisture assimilation for improved hydrologic simulation in the Murray Darling Basin, Australia

    H. Lievens;S.K. Tomer;A. Al Bitar;G.J.M. De Lannoy

  • DART: Recent Advances in Remote Sensing Data Modeling With Atmosphere, Polarization, and Chlorophyll Fluorescence

    Jean-Philippe Gastellu-Etchegorry;Nicolas Lauret;Tiangang Yin;Lucas Landier

  • Global-Scale Comparison of Passive (SMOS) and Active (ASCAT) Satellite Based Microwave Soil Moisture Retrievals with Soil Moisture Simulations (MERRA-Land)

    A. Al-Yaari;A. Al-Yaari;A. Al-Yaari;J.-P. Wigneron;A. Ducharne;Y.H. Kerr

  • 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

  • An evaluation of SMOS L-band vegetation optical depth (L-VOD) data sets: high sensitivity of L-VOD to above-ground biomass in Africa

    Nemesio J. Rodríguez-Fernández;Arnaud Mialon;Stephane Mermoz;Alexandre Bouvet

  • Evaluating soil moisture retrievals from ESA's SMOS and NASA's SMAP brightness temperature datasets.

    A. Al-Yaari;J.-P. Wigneron;Y. Kerr;N. Rodriguez-Fernandez

  • Comparison Between SMOS, VUA, ASCAT, and ECMWF Soil Moisture Products Over Four Watersheds in U.S.

    Delphine J. Leroux;Yann H. Kerr;Ahmad Al Bitar;Rajat Bindlish

  • Denitrification in wetlands: A review towards a quantification at global scale

    Columba Martínez-Espinosa;Sabine Sauvage;Ahmad Al Bitar;Pamela A. Green

  • Evaluation of microwave remote sensing for monitoring live fuel moisture content in the Mediterranean region.

    Lei Fan;Lei Fan;J.-P. Wigneron;Qing Xiao;A. Al-Yaari

  • Detection of Irrigated Crops from Sentinel-1 and Sentinel-2 Data to Estimate Seasonal Groundwater Use in South India

    Sylvain Ferrant;Adrien Selles;Adrien Selles;Michel Le Page;Pierre Alexis Herrault

  • SMOS-IC: An alternative SMOS soil moisture and vegetation optical depth product

    Roberto Fernandez-Moran;Roberto Fernandez-Moran;Amen Al-Yaari;Arnaud Mialon;Ali Mahmoodi

Frequent Co-Authors

Yann Kerr
Yann Kerr Federal University of Toulouse Midi-Pyrénées
Arnaud Mialon
Arnaud Mialon Centre national de la recherche scientifique, CNRS
Jean-Pierre Wigneron
Jean-Pierre Wigneron University of Rennes
Philippe Richaume
Philippe Richaume Centre national de la recherche scientifique, CNRS
Amen Al-Yaari
Amen Al-Yaari Sorbonne University
Olivier Merlin
Olivier Merlin Paul Sabatier University
Jeffrey P. Walker
Jeffrey P. Walker Monash University
Jean-Philippe Gastellu-Etchegorry
Jean-Philippe Gastellu-Etchegorry Federal University of Toulouse Midi-Pyrénées
Eric F. Wood
Eric F. Wood Princeton University
Ming Pan
Ming Pan Princeton University

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