Ramata Magagi

Prix et distinctions

• Certificate. Elsevier BV (Netherlands).
• 100 femmes du Niger. Fonds des Nations Unies pour la population (FNUAP).

Financement

• Subvention. Développement d'une infrastructure numérique intelligente et d'approches préventives en phytoprotection intégrant l'intelligence artificielle pour l'aide à la décision dans les grandes cultures. Fonds de Recherche du Québec – Nature et Technologies (Montreal, Canada). 749 927 $. (2024-2027).
  Numéro de subvention : 355658. Voir plus
• Subvention. Assessment of soil water conditions using microwave remote sensing data. Natural Sciences and Engineering Research Council of Canada (NSERC)-Discovery (Ottawa, Canada). 96 000 $. (2023-2027).
• Subvention. La chaîne des semences agricoles pour le pouvoir des femmes rurales. Global affairs Canada Impact on development Canadian Small and Medium Organizations for Impact and Innovation (Ottawa, Canada). 2 000 000 $. (2021-2026).
• Subvention. Soil Moisture Active Passive Validation Experiment 2021- Boreal (SMAPVEx-BOREAL): Improving the performance of L-band Passive Microwave Retrievals of SM in the Canadian Boreal Forest. Canadian Space Agency (St-Hubert, Canada). 250 000 $. (2021-2025).
• Subvention. Analysis and modelling of microwave remote sensing data for soil moisture and crop phenology monitoring. Canadian Space Agency (St-Hubert, Canada). 250 000 $. (2021-2025).
• Subvention. De l'observation de la Terre à distance aux services d'information décisionnelle (DOTS). NSERC - CREATE (Ottawa, Canada). 1 650 000 $. (2020-2027).
• Subvention. Étude de l’humidité du sol et de la phénologie de la végétation : combinaison des données radar et de la modélisation hydro-agronomique. Canadian Space Agency (St-Hubert, Canada). 150 000 $. (2018-2019).
• Subvention. Système intégré pour l’étude de l’humidité du sol sur un bassin versant pilot. Natural Sciences and Engineering Research Council of Canada (Ottawa, Canada). 113 863 $. (2018-2019).

Publications

Articles

• Berg, A.A., Wicks, K., Ambadan, J.T., Roy, A., Magagi, R., Helgason, W., Colliander, A., Alijani, Z., Amini, Y., Cosh, M.H., Creen, J., Gorrab, A., MacRae, H., McDonald, K., Millard, K., Misra, S., Muhuri, A., Ogut, M., Riis, N., ... Yueh, S. (2025). Soil Moisture Active/Passive Validation Experiment Within the Canadian Boreal Forest in 2022 (SMAPVEX22-Boreal). IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. DOI
• *Mohsenifarda M., Magagi R., Goïta K. (2025). Use of PSInSAR for long-term surface deformation monitoring and identifying gaps in the landslide susceptibility map of the Saguenay Lac-Saint-Jean region, Quebec. Geomatics, Natural Hazards, and Risk.
• Muhuri, A., Goïta, K., Magagi, R., Wang, H. (2023). Geodesic Distance Based Scattering Power Decomposition for Compact Polarimetric SAR Data. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Goïta, K., Magagi, R., Beauregard, V., Wang, H. (2023). Retrieval of Surface Soil Moisture over Wheat Fields during Growing Season Using C-Band Polarimetric SAR Data. Remote Sensing. DOI
• Wang, H., Magagi, R., Goïta, K., Duguay, Y., Trudel, M., Muhuri, A. (2023). Retrieval performances of different crop growth descriptors from full- and compact-polarimetric SAR decompositions. Remote Sensing of Environment. DOI
• Muhuri, A., Goita, K., Magagi, R., Wang, H. (2023). Soil Moisture Retrieval During Crop Growth Cycle Using Satellite SAR Time Series. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. DOI
• Wang, H., Magagi, R., Goïta, K., Colliander, A. (2022). Multi-resolution soil moisture retrievals by disaggregating SMAP brightness temperatures with RADARSAT-2 polarimetric decompositions. International Journal of Applied Earth Observation and Geoinformation. DOI
• Magagi, R., Jammali, S., Goïta, K., Wang, H., Colliander, A. (2022). Potential of L- and C- Bands Polarimetric SAR Data for Monitoring Soil Moisture over Forested Sites. Remote Sensing. DOI
• Magagi R., Ziyad, J., Goïta, K., Magagi, R. (2022). Radar altimetry for classifying surface conditions of subarctic lakes during freezing and thawing periods. International Journal of Remote Sensing. DOI
• Bahrami, A., Goïta, K., Magagi, R., Davison, B., Razavi, S., Elshamy, M., Princz, D. (2021). Data assimilation of satellite-based terrestrial water storage changes into a hydrology land-surface model. Journal of Hydrology. DOI
• Wang, H., Magagi, R., Goïta, K., Colliander, A., Jackson, T., McNairn, H., Powers, J. (2021). Soil moisture retrieval over a site of intensive agricultural production using airborne radiometer data. International Journal of Applied Earth Observation and Geoinformation. DOI
• Tong, C., Wang, H., Magagi, R., Goita, K., Wang, K. (2021). Spatial Gap-Filling of SMAP Soil Moisture Pixels over Tibetan Plateau via Machine Learning Versus Geostatistics. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. DOI
• Jawad Ziyad, Kalifa Goïta, Ramata Magagi. (2020). Incertitudes des niveaux d’eau dérivés de l’altimétrie satellitaire pour des étendues d’eau soumises à l’action de la glace. Canadian Journal of Remote Sensing. DOI
• Alejandro Monsiváis-Huertero, Juan Carlos Hernández-Sánchez, José Carlos Jiménez-Escalona, José Mauricio Galeana-Pizaña, Daniel Enrique Constantino-Recillas, Aura Citlalli Torres-Gómez, Ramata Magagi, Kalifa Goïta, Stéphane Couturier. (2020). Impact of temporal variations in vegetation optical depth and vegetation temperature on L-band passive soil moisture retrievals over a tropical forest using in-situ information. International Journal of Remote Sensing. DOI
• Ala Bahrami, Kalifa Goïta, Ramata Magagi. (2020). Analysing the contribution of snow water equivalent to the terrestrial water storage over Canada. Hydrological Processes. DOI
• Bahrami, A., Goïta, K., Magagi, R. (2020). Erratum to: Analysing the contribution of snow water equivalent to the terrestrial water storage over Canada (Hydrological Processes, (2020), 34, 2, (175-188), 10.1002/hyp.13625). Hydrological Processes. DOI
• Ziyad, J., Goïta, K., Magagi, R., Blarel, F., Frappart, F. (2020). Improving the estimation of water level over freshwater ice cover using altimetry satellite active and passive observations. Remote Sensing. DOI
• Tong, C., Wang, H., Magagi, R., Goïta, K., Zhu, L., Yang, M., Deng, J. (2020). Soil moisture retrievals by combining passive microwave and optical data. Remote Sensing. DOI
• Wang, H., Magagi, R., Goïta, K., Wang, K. (2020). Soil moisture retrievals using ALOS2-ScanSAR and MODIS synergy over Tibetan Plateau. Remote Sensing of Environment. DOI
• Colliander, A., Cosh, M.H., Misra, S., Jackson, T.J., Crow, W.T., Powers, J., McNairn, H., Bullock, P., Berg, A., Magagi, R., Gao, Y., Bindlish, R., Williamson, R., Ramos, I., Latham, B., O'Neill, P., Yueh, S. (2019). Comparison of high-resolution airborne soil moisture retrievals to SMAP soil moisture during the SMAP validation experiment 2016 (SMAPVEX16). Remote Sensing of Environment. DOI
• Wang, H., Magagi, R., Goïta, K., Trudel, M., McNairn, H., Powers, J. (2019). Crop phenology retrieval via polarimetric SAR decomposition and Random Forest algorithm. Remote Sensing of Environment. DOI
• Wang, H., Magagi, R., Goita, K., Jagdhuber, T. (2019). Refining a Polarimetric Decomposition of Multi-Angular UAVSAR Time Series for Soil Moisture Retrieval over Low and High Vegetated Agricultural Fields. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. DOI
• Bhuiyan, H.A.K.M., McNairn, H., Powers, J., Friesen, M., Pacheco, A., Jackson, T.J., Cosh, M.H., Colliander, A., Berg, A., Rowlandson, T., Bullock, P., Magagi, R. (2018). Assessing SMAP soil moisture scaling and retrieval in the carman (Canada) study site. Vadose Zone Journal. DOI
• Wang, H., Magagi, R., Goïta, K. (2018). Potential of a two-component polarimetric decomposition at C-band for soil moisture retrieval over agricultural fields. Remote Sensing of Environment. DOI
• Gherboudj, I., Magagi, R., Berg, A.A., Toth, B. (2017). Characterization of the Spatial Variability of In-Situ Soil Moisture Measurements for Upscaling at the Spatial Resolution of RADARSAT-2. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. DOI
• Wang, H., Magagi, R., Goita, K. (2017). Comparison of different polarimetric decompositions for soil moisture retrieval over vegetation covered agricultural area. Remote Sensing of Environment. DOI
• Djamai, N., Magagi, R., Goïta, K., Merlin, O., Kerr, Y., Roy, A. (2016). A combination of DISPATCH downscaling algorithm with CLASS land surface scheme for soil moisture estimation at fine scale during cloudy days. Remote Sensing of Environment. DOI
• Wang, H., Magagi, R., Goita, K., Jagdhuber, T., Hajnsek, I. (2016). Evaluation of simplified polarimetric decomposition for soil moisture retrieval over vegetated agricultural fields. Remote Sensing. DOI
• Wang, H., Magagi, R., Goita, K. (2016). Polarimetric Decomposition for Monitoring Crop Growth Status. IEEE Geoscience and Remote Sensing Letters. DOI
• Sun, L., Seidou, O., Nistor, I., Goïta, K., Magagi, R. (2016). Simultaneous assimilation of in situ soil moisture and streamflow in the SWAT model using the Extended Kalman Filter. Journal of Hydrology. DOI
• Khabazan, S., Hosseini, M., Saradjian, M.R., Motagh, M., Magagi, R. (2015). Accuracy Assessment of IWCM Soil Moisture Estimation Model in Different Frequency and Polarization Bands. Journal of the Indian Society of Remote Sensing. DOI
• Djamai, N., Magagi, R., Goita, K., Merlin, O., Kerr, Y., Walker, A. (2015). Disaggregation of SMOS soil moisture over the Canadian Prairies. Remote Sensing of Environment. DOI
• Djamai, N., Magagi, R., Goïta, K., Hosseini, M., Cosh, M.H., Berg, A., Toth, B. (2015). Evaluation of SMOS soil moisture products over the CanEx-SM10 area. Journal of Hydrology. DOI
• Proulx-Bourque, J.-S., Magagi, R., O’Neill, N.T. (2015). Filtering global land and surface altimetry data (GLA14) for elevation accuracy determination. Photogrammetric Engineering and Remote Sensing. DOI
• McNairn, H., Jackson, T.J., Wiseman, G., Bélair, S., Berg, A., Bullock, P., Colliander, A., Cosh, M.H., Kim, S.-B., Magagi, R., Moghaddam, M., Njoku, E.G., Adams, J.R., Homayouni, S., Ojo, E.R., Rowlandson, T.L., Shang, J., Goïta, K., Hosseini, M. (2015). The soil moisture active passive validation experiment 2012 (SMAPVEX12): Prelaunch calibration and validation of the SMAP soil moisture algorithms. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Rowlandson, T., Impera, S., Belanger, J., Berg, A.A., Toth, B., Magagi, R. (2015). Use of in situ soil moisture network for estimating regional-scale soil moisture during high soil moisture conditions. Canadian Water Resources Journal. DOI
• Magagi, R., Berg, A.A., Goita, K., Belair, S., Jackson, T.J., Toth, B., Walker, A., McNairn, H., O'Neill, P.E., Moghaddam, M., Gherboudj, I., Colliander, A., Cosh, M.H., Burgin, M., Fisher, J.B., Kim, S.-B., Mladenova, I., Djamai, N., Rousseau, L.-P.B., ... Merzouki, A. (2013). Canadian experiment for soil moisture in 2010 (CanEx-SM10): Overview and preliminary results. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Chaouch, N., Leconte, R., Magagi, R., Temimi, M., Khanbilvardi, R. (2013). Multi-stage inversion method to retrieve soil moisture from passive microwave measurements over the Mackenzie River Basin. Vadose Zone Journal. DOI
• Gherboudj, I., Magagi, R., Goïta, K., Berg, A.A., Toth, B., Walker, A. (2012). Validation of SMOS data over agricultural and boreal forest areas in Canada. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Magagi, R. (2011). Overview and applications of RADARSAT-1 and RADARSAT-2. Photo-interpretation European Journal of Applied Remote Sensing.
• Gherboudj, I., Magagi, R., Berg, A.A., Toth, B. (2011). Soil moisture retrieval over agricultural fields from multi-polarized and multi-angular RADARSAT-2 SAR data. Remote Sensing of Environment. DOI
• Corgne, S., Magagi, R., Yergeau, M., Sylla, D. (2010). An integrated approach to hydro-geological lineament mapping of a semi-arid region of West Africa using Radarsat-1 and GIS. Remote Sensing of Environment. DOI
• Eleuch, S., Carsteanu, A., Bâ, K., Magagi, R., Goïta, K., Diaz, C. (2010). Validation and use of rainfall radar data to simulate water flows in the Rio Escondido basin. Stochastic Environmental Research and Risk Assessment. DOI
• Trudel, M., Magagi, R., Granberg, H.B. (2009). Application of target decomposition theorems over snow-covered forested areas. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Aly, Z., Bonn, F.J., Magagi, R. (2007). Analysis of the backscattering coefficient of salt-affected soils using modeling and RADARSAT-1 SAR data. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Magagi R, Kerr Y,. (2007). Suivi temporel de la rugosité du sol d'une zone sahélienne à partir des données du diffusiomètre vent à bord d'ERS-1. Télédétection.
• Trudel M, Magagi R, Grandberg H. (2006). Discrimination d'un couvert de neige sèche et de neige humide sur des sites de faible végétation et de forêt dense de conifères à l'aide de données radar aéroportées multifréquences et multipolarisations. Télédétection.
• Magagi, R., Barros, A.P. (2004). Estimation of latent heating of rainfall during the onset of the Indian Monsoon using TRMM PR and radiosonde data. Journal of Applied Meteorology. DOI
• Bernier, M., Ghedira, H., Gauthier, Y., Magagi, R., Filion, R., Sève, D.D., Ouarda, T.B.M.J., Villeneuve, J.-P., Buteau, P. (2003). Détection et classification de tourbières ombrotrophes du Québec à partir d’images RADARSAT-1. Canadian Journal of Remote Sensing. DOI
• Magagi, R., Bernier, M. (2003). Erratum: Optimal conditions for wet snow detection using RADARSAT SAR data (Remote Sensing of Environment 84;2 (221-233) PII: S0034425702001049). Remote Sensing of Environment. DOI
• Magagi, R., Bernier, M. (2003). Optimal conditions for wet snow detection using RADARSAT SAR data. Remote Sensing of Environment. DOI
• Magagi, R., Bernier, M., Ung, C.-H. (2002). Quantitative analysis of RADARSAT SAR data over a sparse forest canopy. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Magagi, R., Bernier, M., Bouchard, M.-C. (2002). Use of ground observations to simulate the seasonal changes in the backscattering coefficient of the subarctic forest. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Magagi, R.D., Kerr, Y.H. (2001). Estimating surface soil moisture and soil roughness over semi-arid areas from the use of the co-polarisation ratio. Remote Sensing Environment. DOI
• Magagi, R.D., Kerr, Y.H., Meunier, J.-C. (2000). Results of combining L and C Bands passive microwave airborne data over the Sahelian area. IEEE Transactions on Geoscience and Remote Sensing. DOI
• Magagi R, Kerr Y. (1997). Characterization of surface parameters over aridand semi-arid areas by use of ERS-1 Windscatterometer. Remote Sensing Reviews. DOI
• Magagi R, Kerr Y. (1997). Retrieval of soil moisture and vegetation characteristics by use of ERS-1 wind scatterometer over arid and semi arid areas. Journal of Hydrology. DOI

Chapitres de livre

• Magagi R., Kerr Y., Wigneron J.-P. (2016). Estimation de l'état hydrique du sol par télédétection micro-onde passive. Observation des surfaces continentales par télédétection : Hydrologie continentale. ISTE Ltd.
• Magagi, R., Kerr, Y., Wigneron, J.-P. (2016). Estimation of soil water conditions using passive microwave remote sensing. Land Surface Remote Sensing in Continental Hydrology. DOI

Articles de conférence

• Mookkuthala Erkaramana, B.P., Goïta, K., Magagi, R., Wang, H. (2024). Analysis of Radarsat Constellation Mission Compact Polarimetric Data for Crop Monitoring. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Muhuri, A., Goita, K., Magagi, R., Wang, H., Verma, A., Bhattacharya, A. (2023). Impact of Diurnal Variations on Compact Polarimetric SAR Decomposition. 2023 IEEE India Geoscience and Remote Sensing Symposium Ingarss 2023. DOI
• Colliander, A., Cosh, M.H., Berg, A., Misra, S., Thomas, J., Bourgeau-Chavez, L., Kelly, V., Kraatz, S., Siqueira, P., Roy, A., Helgason, W., Magagi, R., Lakhankar, T., Ogut, M., Chaubell, J., Dunbar, S., Famiglietti, J., Konings, A., Kurum, M., ... Yueh, S.H. (2022). Development of SMAP Retrievals for Forested Regions: SMAPVEX19-22 and SMAPVEX22-Boreal. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Wang H., Magagi R., Goita K., Duguay Y., Trudel M., McNairn H.,, Powers J. (2019). Compact-Polarimetric Decompositions for Monitoring Crop Growth. Advanced Synthetic Aperture Radar (ASAR) workshop.
• Wang, H., Magagi, R., Goïta, K., Trudel, M., McNairn, H., Powers, J. (2019). Crop phenology retrieval from polarimetric decomposition and random forest algorithm during SMAPVEX16-MB campaign. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Andreas Colliander, Sidharth Misra, Michael Cosh, Jarrett Powers, Heather McNairn, Paul Bullock, Aaron Berg, Ramata Magagi, Simon Yueh. (2019). Field-Scale Soil Moisture Retrieval using PALS Airborne Microwave Radiometer during SMAPVEX16. American Geophysical Union (AGU), Fall Meeting 2019.
• Abbes, A.B., Magagi, R., Goita, K. (2019). Soil Moisture Estimation from Smap Observations Using Long Short- Term Memory (LSTM). International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Wang H., Magagi R., Goita K., Trudel M., McNairn H.,, Powers J. (2019). Soil Moisture Retrievals by Coupling Polarimetric Decompositions andRandom Forest algorithms. Advanced Synthetic Aperture Radar (ASAR) workshop.
• Constantino-Recillas, D.E., Monsiváis-Huertero, A., Jiménez-Escalona, J.C., Zempoaltecatl-Ramirez, E., Magagi, R., Goïta, K. (2018). A semi-empirical model to estimate biophysical parameters in southern Mexico. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Bahrami A., Goïta K., Magagi R., Razavi S., Elshamy M., Haghnegahdar A., Davison B. (2018). Integration of GRACE data into a hydrology land-surface model in a snow dominated Canadian basin. Canadian Geophysical Union (CGU).
• Colliander A., Misra S., Chae C.-S., Jackson T., Cosh M., Powers J., McNairn H., Bullock P., Berg A., Magagi R., Kerr Y., Yueh S. (2017). Comparison of SMAP and SMOS Measurements to PALS Airborne Acquisitionsin 2015 and 2016. European Geosciences Union (EGU) General Assembly.
• *Wang H., Magagi R.,, Goita K. (2017). Polarimetric decomposition of dual-frequency SAR data for soil moisture retrieval over agricultural fields. 11th Advanced Synthetic Aperture Radar (ASAR) workshop.
• Wang, H., Magagi, R., Goita, K. (2017). Polarimetric decomposition of multi-angular SAR data for soil moisture retrieval over agricultural fields. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Wang H., Magagi R.,, Goita K. (2017). Soil moisture retrieval over agricultural fields from polarimetric decomposition of multi-angular SAR data. 11th Advanced Synthetic Aperture Radar (ASAR) workshop.
• Colliander, A., Jackson, T.J., Cosh, M., Misra, S., Bindlish, R., Powers, J., McNairn, H., Bullock, P., Berg, A., Magagi, R., O'Neill, P., Yueh, S. (2017). Soil moisture retrieval with airborne PALS instrument over agricultural areas in SMAPVEX16. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Magagi R., Wang H.,, Goïta K. (2017). Soil moisture retrievals from SMAPVEX12 and SMAPVEX16-MB data. SMAP-Canada Workshop.
• Wang, H., Magagi, R., Goita, K. (2016). Assessment of the SMAP L3/AP soil moisture product using international ground observation network. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Toure, M.Y.A., Goita, K., Magagi, R., Toure, A.M. (2016). Comparison of in situ and grace estimated groundwater in the Canadian prairies. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Beauregard, V., Goita, K., Magagi, R. (2016). Empirical model for surface soil moisture estimation over wheat fields using C-band polarimetric SAR. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Wang, H., Magagi, R., Goita, K. (2016). Polarimetric decomposition of C-band SAR data for soil moisture retrieval over agricultural fields. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Monsivais-Huertero, A., Jimenez-Escalona, J.C., Galeana-Pizana, J.M., Torres-Gomez, A.C., Magagi, R., Goita, K., Zempoaltecatl-Ramirez, E., Constantino-Recillas, E., Juarez-Vazquez, J.D., Hernandez-Sanchez, J.C. (2016). Understanding the dynamic of a tropical forest located in Southern Mexico using remotely sensed data. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Djamai N, Magagi R, Goita K, Merlin O, Kerr Y. (2015). A new approach to downscale SMOS soil moisture estimates during cloudy days. IGARSS 2015.
• Monsivais-Huertero A, Magagi R, Goïta K, Carlos Jimenez-Escalona J, Galeana-Pizana J M. (2015). Effect of the incidence angle in the land cover classification using polarimetric Radarsat-2 images. IGARSS 2015.
• Wang, H., Magagi, R., Goita, K., Jagdhuber, T., Djamai, N. (2015). Evaluation of polarimetric decomposition for soil moisture retrieval over vegetated agricultural fields. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Wang H, Magagi R, Goita K, Thomas J. (2015). Potential of Polarimetric UAVSAR and RADARSAT-2 data for Soil Moisture Retrieval over Agricultural fields. Advanced Synthetic Aperture Radar (ASAR) workshop.
• Magagi R, Goïta K, *Wang H, *Benchallal A, *Djamaï N, *Beauregard V, *Jammali S, *Mohsen M. (2015). Retrieving soil moisture and vegetation parameters from L and C-Bands microwave data. SMAP-Canada Workshop.
• Monsivais-Huertero A., Magagi R., Goïta K., Carlos Jimenez-Escalona J. (2015). Seasonal effect in the selection of the optimal polarimetric parameters for land use classification in a forested area located at Southern Mexico. Advanced Synthetic Aperture Radar (ASAR) workshop.
• *Wang H, Magagi R, Goita K, Thomas J. (2015). Soil Moisture Retrievals over agricultural fields using Polarimetric Decompositions. Advanced Synthetic Aperture Radar (ASAR) workshop.
• Proulx-Bourque, J.-S., Magagi, R. (2015). Stereoradargrammetric generation of digital surface models with RADARSAT-2 in Northern Canada. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Jammali S, Magagi R, Goita K,. (2014). Analysing L-Band and C-Band polarimetric radar signals for the monitoring of soil moisture over SMAPVEX12 forested sites. IGARSS 2014.
• Proulx-Bourque, J.-S., Magagi, R., O'Neill, N.T., Gravel, P. (2014). Digital surface model generation using optimal RADARSAT-2 images. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Djamai, N., Magagi, R., Goïta, K., Merlin, O., Kerr, Y.H., Walker, A. (2014). Downscaling SMOS derived soil moisture for very wet conditions using a physically based approach. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• *Hosseini M, Magagi R, Goïta K. (2014). Evaluating the random cascade hierarchical and statistical arrangement model for the disaggregation of SMOS soil moisture estimates. IGARSS 2014.
• Monsivais-Huertero A, Magagi R, Goïta K, Ramos J. (2014). Land cover classification using polarimetric Radarsat-2 acquisitions over a tropical forest in Mexico. IGARSS 2014.
• *Jammali S, *Benchallal A, Magagi R, Goita K. (2014). Sensitivity study of passive and active microwave data to soil moisture on boreal forest. IGARSS 2014.
• *Djamai N, Magagi R, Goita K, Merlin O, Kerr Y. (2014). Using a physical approach to downscale SMOS derived soil moisture under very wet conditions. IGARSS 2014.
• Magagi R. (2013). Brief update on the CanEx-SM10 field campaign. 3rd Canadian SMAP Workshop.
• *Proulx-Bourque, J.-S., Magagi, R., Gravel, P. (2013). Création de MNS dans la région du Grand Lac des Esclaves à partir d'image RADARSAT-2. Advanced Synthetic Aperture Radar (ASAR) workshop.
• *Hosseini M, Magagi R, Goïta K. (2013). Disaggregation of SMOS Soil moisture estimates by using the improved multiplicative random cascade method. CMOS-CGU-CWRA Congress 2013.
• *Hosseini M, Magagi R, Goïta K, *Djamaï, N. (2013). Disaggregation of SMOS derived soil moisture by using multiplicative random cascade method. IGARSS 2013.
• *Djamaï N, Magagi R, Goïta K, Merlin O, *Hosseini M. (2013). Downscaling SMOS derived soil moisture using empirical and physical approaches. IGARSS 2013.
• *Djamaï N. et al. (2013). Downscaling of SMOS soil moisture using MODIS spectral products over an agricultural site. 3rd Canadian SMAP Workshop.
• *Caron F, Magagi R. (2013). Modélisation de la rétrodiffusion d'un couvert de neige en bandes C et X: Évaluation de l'apport de l'approximation quasi?cristalline pour les milieux denses. Advanced Synthetic Aperture Radar (ASAR) workshop.
• Jackson T, McNairn H, Wiseman G, Colliander A, Berg A, Bullock P, Magagi R, Moghaddam M, Kim S, Cosh M, Njoku E, Belair S. (2013). SMAP validation experiment 2012 (SMAPVEX12) : Overview and outlook. IGARSS 2013.
• *Hosseini M. et al. (2013). Using statistical methods to disaggregate the spatial resolution of SMOS derived soil moisture. 3rd Canadian SMAP Workshop.
• Colliander, A., Yueh, S., Chazanoff, S., Dinardo, S., O'Dwyer, I., Jackson, T., McNairn, H., Bullock, P., Wiseman, G., Berg, A., Magagi, R., Njoku, E. (2012). Airborne active and passive L-band measurements using PALS instrument in SMAPVEX12 soil moisture field campaign. Proceedings of SPIE the International Society for Optical Engineering. DOI
• Monsivais-Huertero A, Ramos J, Magagi R. (2012). Comparison of coherent and incoherent C-Band radar signatures of a rainforest located at Southern Mexico. IGARSS 2012.
• Rahmoune R, Ferrazzoli P, Magagi R, Barraza V, Grings F. (2012). Exploiting SMOS signatures over forests: Tests and proposed improvements of the forward model. MICRORAD 2012.
• *Djamai N, Magagi R,, Goïta K. (2012). Validation of SMOS's reprocessed data over agricultural and boreal forest areasin Canada. MICRORAD 2012.
• *Gherboudj I, Magagi R, Goïta K. (2011). Evaluation of SMOS data over Canadian agricultural area using modeling and in-situ measurements. IGARSS 2011.
• *Rousseau L.-P, Magagi R, Leconte R, Toth B. (2011). Monitoring soil freeze/Thaw conditions over an agricultural area using AMSR-E Brightness temperature. IGARSS 2011.
• Magagi R. et al. (2011). Preliminary evaluation of soil moisture retrievals for CanEx-SM10. 2nd SMAP workshop.
• Rahmoune R, Ferrazzoli P, Kerr Y, Richaume P, Albitar A, Magagi R. (2011). Tests of forward model and retrieval algorithm over Tropical and Boreal forests. SMOS Science workshop.
• Magagi et al. (2010). Canadian Experiment for Soil Moisture in 2010 (CanEx-SM10) : Overview. SMOS workshop.
• Magagi R., *Gherboudj I. (2010). Estimating crop and soil parameters from Radarsat-2 SAR data. 3rd Radarsat-2 Workshop.
• Berg A., Magagi R., Bélair S., Jackson T., McNairn H., Toth B, Walker A. (2010). Overview of the Canadian Experiment for Soil Moisture-2010 (CanEX-SM10). Drought Research Initiative Workshop #5.
• Magagi R., Goïta K. (2010). Soil moisture retrieval and Freeze/Thaw analysis- U of Sherbrooke research plan. 2nd SMAP workshop.
• Magagi R., Goïta K., *Gherboudj I., Walker A., Berg A., Toose P., Toth B. (2010). Validation of SMOS data over Canadian agricultural and forested areas: Preliminary results. SMOS workshop.
• Rousseau, L.-P., Magagi, R., Leconte, R., Berg, A., Toth, B. (2009). Potentials of RADARSAT-2 data to monitor freezing/thawing cycles over agricultural lands in Canada. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Gherboudj, I., Magagi, R., Berg, A., Toth, B. (2009). Use of radarsat-2 images to develop a scaling method of soil moisture over an agricultural area. International Geoscience and Remote Sensing Symposium IGARSS. DOI
• Chaouch, N., Leconte, R., Magagi, R., Temimi, M. (2007). Soil moisture retrieval over the Mackenzie River basin using AMSR-E 6.9 GHz brightness temperature. IAHS AISH Publication.

Rapports

• Magagi R. (2024). Analysis and modelling of microwave remote sensing data for soil moisture and crop phenology monitoring. Rapport annuel du projet 21SUESAMMI.
• Magagi R. (2023). Analysis and modelling of microwave remote sensing data for soil moisture and crop phenology monitoring. Rapport annuel du projet 21SUESAMMI.
• Ramata Magagi. (2021). Inversion de l'humidité du sol à partir de satellites pour l'étude de l'impact du changement climatique sur le cycle de l'eau dans l'Est de la Chine. Fonds de recherche du Québec nature et technologies.
• Magagi R. (2020). Retrieving soil moisture conditions and vegetation parameters from L and C-Bands microwave data. Rapport final du projet 14SUSMAPSH.
• McNairn H., Jackson T. J. , Powers J., Bélair S., Berg A., Bullock P., Colliander A., Cosh M. H., Kim S.-B. , Magagi R., Pacheco A., Merzouki A., Hosseini M., Hanis-Gervais K. (2017). SMAPVEX16 Database Report. Agriculture and Agri-Food Canada.
• Magagi R, El Euch S. (2008). Validation des pluies de surface estimées par TRMM pour une synergie micro-onde/modèle hydrologique.
• Magagi R,. (2007). Développement d'outils pédagogiques informatisés pour les mathématqiues du géomaticien : cas d'applications en environnement.
• Magagi R, Cliche P, Mabilleau P, Boone F, Roy J, Richard Bédard E. (2007). Travaux visant à rendre polarimétrique le diffusiomètre de terrain multifréquence, multipolarisation et multiangulaire.

Ressources en ligne

• Magagi R, B.-Rousseau L.-P. (2012). https://smapvex12.espaceweb.usherbrooke.ca/.
• Magagi R, B.-Rousseau L.-P,. (2010). http://canex-sm10.espaceweb.usherbrooke.ca/.

Autres contributions

Cours enseignés à l'UdeS

• GAE710 - Applications avancées de la télédétection en environnement. (2026). (3CR).
• GAE724 - Essai en géomatique appliquée. (2025-2026). (6CR).
• GMQ100 - Mathématiques du géomaticien. (2025-2026). (3CR).
• GMQ604 - Télédétection avancée. (2025-2026). (3CR).
• TEL736 - Principes physiques de la télédétection. (2025-2026). (1CR).
• TEL737 - Télédétection micro-onde. (2026). (1CR).
• GMQ250 - Principes de télédétection. (2024-2025). (4CR).
• TEL912 - Activités de recherche II : collecte et analyse des données. (2024-2025). (15CR).
• TEL913 - Activités de recherche III : rapport d'étape. (2025). (15CR).
• TEL910 - Examen général. (2023-2024). (6CR).
• TEL911 - Activités de recherche I : projet de thèse. (2023-2024). (15CR).

Présentations

• *Jahan Nejadi E., Magagi R., Goïta K. (2025). A Deep Learning-Based Approach for High-Resolution Surface Soil Moisture Estimation: Feature Selection Using SAR and Optical Satellite Data. 46th Canadian Symposium on Remote Sensing, Lethbridge, Alberta. Canada.
• *Esmaeili sarteshnizi R., Magagi R., Foucher S., Berg A., Colliander A., Cosh M. H., Kim S.-B. (2025). A Semi-Supervised Teacher-Student Framework for Soil Moisture Estimation by Combining L-Band Radar and Optical Data Over Forests. 46th Canadian Symposium on Remote Sensing, Lethbridge, Alberta. Canada.
• *Mookkuthala Erkaramana B. P., Goïta K., Magagi R., Jagdhuber T., Fluhrer A., Hellwig F. (2025). Potential of RADARSAT Constellation Mission Compact Polarimetric Data for Soil Moisture Estimation under Bare and Vegetated Conditions. 46th Canadian Symposium on Remote Sensing, Lethbridge, Alberta. Canada.
• *Mohsenifard M., Magagi R., Goïta K. (2025). Use of PSInSAR for long-term monitoring of surface deformation in a landslide-prone region. 46th Canadian Symposium on Remote Sensing, Lethbridge, Alberta. Canada.
• *Prakash B. M. E., Goita K., Magagi R., Wang H. (2024). Analysis of RADARSAT Constellation Mission compact polarimetric data for crop monitoring. IEEE International Geoscience and Remote Sensing Symposium 2024, Athenes. Grèce.
• Magagi R. (2024). Développement d'une infrastructure numérique intelligente et d'approches préventives en phytoprotection intégrant l'intelligence artificielle pour l'aide à la décision dans les grandes cultures. Forum du RQRAD - Mobilisation des connaissances pour un transfert efficace, Montréal, QC. Canada.
• *Khazaei M., Magagi R., Goïta K. (2024). Generating a Global Deep Learning Dataset of Agricultural Soil Dielectric Constant from Optical Remote Sensing. Canadian Symposium on Remote Sensing, Halifax, Nova Scotia. Canada.
• *Mohsenifard M., Magagi R., Goïta K. (2024). Landslide susceptibility mapping in Saguenay area integrating PS-InSAR to improve risk assessment. Canadian Symposium on Remote Sensing, Halifax, Nova Scotia. Canada.
• *Esmaeilisarteshnizi E., Magagi R., Berg A. (2024). Sensitivity analysis of SMAP brightness temperature for the monitoring of forest soil moisture. SMAP-Canada Workshop, Guelph, ON. Canada.
• Muhuri A., Goïta K., Magagi R., Wang H. (2023). Geodesic distance based compact polarimetric SAR decomposition for crop monitoring and the influence of diurnal variations. 2023 ASAR workshop/RCM Users' Forum, St-Hubert, QC. Canada.
• *Prakash B. M. E., Goita K., Magagi R., Wang H., Muhuri A. (2023). Potential of RADARSAT Constellation Mission (RCM) ScanSAR data for Crop Monitoring. 2023 ASAR workshop/RCM Users' Forum, St-Hubert, QC. Canada.
• Wang H., Singh K., Magagi R., Goïta K., Muhuri A. (2023). RCM compact-polarimetric SAR data for soil moisture retrievals. 2023 ASAR workshop/RCM Users' Forum, St-Hubert, QC. Canada.
• Colliander A., Cosh M. H., Berg A., Misra S., Thomas J., Bourgeau-Chavez L., Kelly V., Kraatz S., Siqueira P., McDonald K., Steiner N, Kim S., Roy A., Walker V., Helgason W., Magagi R., et al. (2023). Estimation of SMAP Sensitivity to Forest Soil Moisture and Vegetation Water Content using the SMAP Validation Experiment 2019-2022 (SMAPVEX19-22). International Geoscience and Remote Sensing Symposium 2023 (IGARSS 2023), Pasadena. États-Unis.
• Berg A., Ambadan J. T., Wicks K., Roy A., Helgason W., Magagi R., Colliander A., Cosh M. H., McDonald K., Steiner N., Tetlock E. (2023). Description and assessment of the in-situ soil moisture and vegetation data collected in support of the Soil Moisture Active Passive Validation Experiment in the Boreal Forest (SMAPVEx-22 Boreal). International Geoscience and Remote Sensing Symposium 2023 (IGARSS 2023), Pasadena. États-Unis.
• Wang H., Magagi R., Goita K.,, Colliander A. (2023). Preliminary analyses of SMAPVEX-12 microwave data for soil moisture monitoring over forested sites. SMAP-Canada workshop, Saint-Hubert. Canada.
• Wang H., Goïta K.,, Colliander A. (2023). Synergistic use of SMAP brightness temperature and RADARSAT-2 surface power for multi-resolution soil moisture estimation. 4th Edition of World Congress on Geology and Earth Science (GeoEarth-2023), Rome. Canada.
• Virginie Charette, Hélène Laurendeau, François D'Anjou, Peter Thériault, Anna Kwiatkowska. (2023). Webinaire « Équité, diversité, inclusion pour la recherche interdisciplinaire ». Panel de discussion organisé par le Service d'appui à la recherche, à l'innovation et à la création (SARIC), Université de Sherbrooke, Sherbrooke. Canada.
• Pr Ramata Magagi, Pr Sidikou Ramatou, Dr. Amadou Garba Aminata. (2022). Autonomie des femmes grâce à la science et les technologies numériques. Panel de discussion organisé par l'Agence Nationale pour la Société de l'Information (ANSI) du Niger dans le cadre des Universités de la Société de l'Information, Niamey. Niger.
• *Kane R., Magagi R., Goïta K., Wang H. (2022). Estimation de l'humidité du sol en milieu agricole à l'aide d'une combinaison de données radar et optique. 43rd Canadian Symposium on Remote Sensing and the 10th International Conference on Agro-Geoinformatic, Québec. Canada.
• *Muhuri A., Goïta G., Magagi R.,, Wang H. (2022). Exploiting Satellite SAR Time-Series for Soil Moisture Retrieval During Crop Growth Cycle. 43rd Canadian Symposium on Remote Sensing and the 10th International Conference on Agro-Geoinformatic, Québec. Canada.
• Ramata Magagi, Armand M'batika, Stéphane Martelly, Takhiou Gueye, Aminta Ndiaye, Ti Taming, Jordan Pierre-Gilles + autres. (2022). Les contributrices et contributeurs d'ascendance africaine au développement de l'Estrie. Forum organisé par la Fédération des Communautés Culturelles de l'Estrie dans le cadre du Mois de l'Histoire des Noirs 2022, Sherbrooke. Canada.
• *Wang H., Magagi R., Goïta K., Duguay Y., Trudel M. (2022). Retrieval performances of different crop growth descriptors from Full and Compact-Polarimetric SAR decompositions. 43rd Canadian Symposium on Remote Sensing and the 10th International Conference on Agro-Geoinformatic, Québec. Canada.
• *Wang H., R. Magagi,, K. Goita. (2022). Use of RADARSAT-2 surface power to disaggregate SMAP brightness temperature for multi-scales soil moisture retrievals. SMAP-Canada workshop, St-Hubert. Canada.
• *Bahrami A., Goïta K., Magagi R., Davison B., Razavi S., Elshamy M., Princz D. (2019). Assimilation of satellite-based data into a hydrology land-surface model in Canada. Colloque de l'Association québécoise de télédétection 2019 (AQT 2019), Sherbrooke. Canada.
• *Dridi G., Magagi R., Goïta K. (2019). Caractérisation des évènements extrêmes de sécheresse et d'inondation au Sahel à partir des indices de télédétection. Colloque de l'Association québécoise de télédétection 2019 (AQT 2019), Sherbrooke. Canada.
• *Wang H., Magagi R., Goita K., Duguay Y., Trudel M., McNairn H.,, Powers J. (2019). Compact-Polarimetric Decompositions for Monitoring Crop Growth. Advanced Synthetic Aperture Radar (ASAR) workshop, St-Hubert. Canada.
• *Wang H., Magagi R., Goita K. (2019). Crop phenology retrieval from polarimetric decomposition and random forest algorithm during SMAPVEX16-MB campaign. International Geoscience and Remote Sensing Symposium 2019 (IGARSS 2019), Yokohama. Japon.
• *Bahrami A., Goïta K., Magagi R., Davison B., Razavi S., Elshamy M., Princz D. (2019). Data Assimilation approach for integrating satellite-based water storage changes into a hydrology land-surface model in Canadian basin. International Union of Geodesy and Geophysics (IUGG) 2019, Montreal. Canada.
• Colliander, A., Misra, S., Cosh M. H., Prueger J. H., Powers J., McNairn H., Bullock P., Berg A. A., Magagi, R., Yueh, S. H. (2019). Field-Scale Soil Moisture Retrieval using PALS Airborne Microwave Radiometer during SMAPVEX16. American Geophysical Union, Fall Meeting, San Francisco. États-Unis.
• Magagi R. (2019). Le leadership dans le cadre du projet Femmes aux Sommets. Panel de discussion organisé par Promotion des Estriennes pour initier une nouvelle équité sociale (P.E.P.I.N.E.S.) et Actions interculturelles, Sherbrooke. Canada.
• Duguay Y., Trudel M., Magagi R., et al. (2019). Mesure de l'humidité du sol en milieu agricole à l'aide de données simulées de la Mission Constellation RADARSAT. Colloque de l'Association québécoise de télédétection 2019 (AQT 2019), Sherbrooke. Canada.
• *Wang H., Magagi R., Goita K., Trudel M., McNairn H.,, Powers J. (2019). Soil Moisture Retrievals by Coupling Polarimetric Decompositions and Random Forest algorithms. Advanced Synthetic Aperture Radar (ASAR) workshop, St-Hubert. Canada.
• *Ben Abbes A., Magagi R., Goita K. (2019). Soil moisture estimation from SMAP observations using long short-term memory (LSTM). International Geoscience and Remote Sensing Symposium 2019 (IGARSS 2019), Yokohama. Japon.
• *Ben Abbes A., Magagi R., Goïta K. (2019). Vers une approche de réduction de l'incertitude des méthodes d'apprentissage automatique pour l'estimation de l'humidité du sol à partir des données SMAP. Colloque de l'Association québécoise de télédétection 2019 (AQT 2019), Sherbrooke. Canada.
• *Bahrami A., Goïta K., Magagi R., Razavi S., Elshamy M., Haghnegahdar A., Davison B. (2018). Integration of GRACE data into a hydrology land-surface model in a snow dominated Canadian basin. Canadian Geophysical Union (CGU), Niagara Falls, ON. Canada.
• *Bahrami A., Goïta K., Magagi R. (2018). Analysis of GRACE Terrestrial Water Storage Anomaly versus Snow Water Equivalent. Canadian Geophysical Union (CGU), Niagara Falls, ON. Canada.
• *Djamai N., Goita K., Corriveau J-L, Lecompte U., Lefrancois G., Magagi R., Hamdi M. (2017). A new method to calibrate fine scale InSAR derived digital elevation models. 2nd International Convention on Geosciences and Remote Sensing, Las Vegas. États-Unis.
• Colliander A., Misra S., Chae C.-S., Jackson T., Cosh M., Powers J., McNairn H., Bullock P., Berg A., Magagi R., Kerr Y., Yueh S. (2017). Comparison of SMAP and SMOS Measurements to PALS Airborne Acquisitions in 2015 and 2016. European Geosciences Union General Assembly 2017 (EGU 2017), Vienna. Autriche.
• *Wang H., Magagi R.,, Goita K. (2017). Polarimetric decomposition of dual-frequency SAR data for soil moisture retrieval over agricultural fields. 11th Advanced Synthetic Aperture Radar (ASAR) workshop, St-Hubert. Canada.
• *Wang H., Magagi R.,, Goita K. (2017). Polarimetric decomposition of multi-angular SAR data for soil moisture retrieval over agricultural fields. International Geoscience and Remote Sensing Symposium 2017 (IGARSS 2017), Fort Worth, Texas. États-Unis.
• Colliander A., Jackson T. J., Cosh M. H., Misra S., Crow W., Powers J., Wood E. F., Mohanty, B.; Judge, J.; Drewry, D.; McNairn, H.; Bullock, P.; Berg, A. A.; Magagi, R.; O'Neill, P. E.; Yueh, S. H. (2017). Results from SMAP Validation Experiments 2015 and 2016. American Geophysical Union, Fall Meeting, New Orleans, Louisiana. États-Unis.
• *Wang H., Magagi R.,, Goita K. (2017). Soil moisture retrieval over agricultural fields from polarimetric decomposition of multi-angular SAR data. 11th Advanced Synthetic Aperture Radar (ASAR) workshop, St-Hubert. Canada.
• Colliander A., Jackson T. J., Cosh M. H., Misra S., Bindlish R., Powers J., McNairn H., Bullock P., Berg A., Magagi R., O'Neill P. E., Yueh S. (2017). Soil moisture retrieval with airborne PALS instrument over agricultural areas in SMAPVEX16. International Geoscience and Remote Sensing Symposium 2017 (IGARSS 2017), Fort Worth, Texas. États-Unis.
• *Wang H., Magagi R.,, Goita K. (2017). Soil moisture retrievals from SMAPVEX12 and SMAPVEX16-MB data. SMAP-Canada Workshop, Guelph, ON. Canada.

Divers

• Khazaei, M., Sorenson, P.T., Magagi, R., Goïta, K. (2025). Satellite Soil Observation (Satsoil): Extraction of Bare Soil Reflectance for Soil Organic Carbon Mapping on Google Earth Engine. Ssrn.
• Ramata Magagi et al. (2020). Guide de rédaction de l'essai à la maîtrise en sciences géographiques (versions 1 à 4).
• Ramata Magagi. (2020). Guide de stage apprentissage intégré au travail (1ere version) Cheminement de type cours en géodéveloppement durable Activité pédagogique GAE 722.