Alexandre Roy

According to our database, Alexandre Roy authored at least 35 papers between 2011 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Evaluating soil moisture retrieval in Arctic and sub-Arctic environments using passive microwave satellite data.

Juliette Ortet, Arnaud Mialon, Yann Kerr, Alain Royer, Aaron Berg, Julia Boike, Elyn Humphreys, François Gibon, Philippe Richaume, Simone Bircher-Adrot, Azza Gorrab, Alexandre Roy

Int. J. Digit. Earth, December, 2024

Sentinel-1-Based Soil Freeze-Thaw Detection in Agro-Forested Areas: A Case Study in Southern Québec, Canada.

Shahabeddin Taghipourjavi, Christophe Kinnard, Alexandre Roy

Remote. Sens., April, 2024

Improvement of Polar Snow Microwave Brightness Temperature Simulations for Dense Wind Slab and Large Grain.

Julien Meloche, Alain Royer, Alexandre Roy, Alexandre Langlois, Ghislain Picard

IEEE Trans. Geosci. Remote. Sens., 2024

The Fine Resolution Explorer for Salinity, Carbon and Hydrology (FRESCH): A Satellite Mission to Study Ocean-Land-Ice Interfaces.

Nemesio Rodriguez-Fernandez, Tim Rixen, Jacqueline Boutin, Peter Brandt, Chiara Corbari, Maria José Escorihuela, Marine Herrmann, Doroteaciro Iovino, Peter Landschützer, Ioanna Merkouriadi, Alexandre Roy, Marko Scholze, Yann Kerr, Eric Anterrieu, Louise Yu, Alain Lamy, Patrice Gonzalez, Francesca Scala, Camila Colombo, Gabriella Gaias, Antonio Gutierrez, Gonçalo Lopes, Alexandre Mège, Asma Kallel, Benjamin Carayon

Proceedings of the IGARSS 2024, 2024

Novel GNSS-R Methods for Freeze/Thaw Surface State Retrieval.

Hugo Carreno-Luengo, Christopher S. Ruf, Scott Gleason, Anthony Russel, Alexandre Roy, Hesam Salmabadi

Proceedings of the IGARSS 2024, 2024

2023

On The Need of a New High-Resolution L-Band Mission to Study Land/Water/Ice Interfaces.

Nemesio Rodriguez-Fernandez, Jacqueline Boutin, Lars Kaleschke, Gabrielle De Lannoy, Giovanni Macelloni, Kimmo Rautiainen, Maria José Escorihuela, Peter Weston, Patricia de Rosnay, Jean-Christophe Calvet, Frédéric Frappart, Alexandre Roy, Thierry Pellarin, Andreas Colliander, Alexandre Supply, Eric Anterrieu, Philippe Richaume, Arnaud Mialon, Cécile Cheymol, Thierry Amiot, Louise Yu, Manuel Martín-Neira, Asma Kallel, Benjamin Carayon, Josep Closa, Alberto Zurita, Yann Kerr

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2023

2022

A comparison of three surface roughness characterization techniques: photogrammetry, pin profiler, and smartphone-based LiDAR.

Zohreh Alijani, Julien Meloche, Alexander McLaren, John B. Lindsay, Alexandre Roy, Aaron Berg

Int. J. Digit. Earth, December, 2022

Development of SMAP Retrievals for Forested Regions: SMAPVEX19-22 and SMAPVEX22-Boreal.

Andreas Colliander, Michael H. Cosh, Aaron Berg, Sidharth Misra, Jaison Thomas Ambadan, Laura L. Bourgeau-Chavez, Vicky Kelly, Simon Kraatz, Paul Siqueira, Alexandre Roy, Warren Helgason, Ramata Magagi, Tarendra Lakhankar, Mehmet Ogut, Julian Chaubell, Scott Dunbar, Jay Famiglietti, Alexandra Georges Konings, Mehmet Kurum, Dara Entekhabi, Simon H. Yueh

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

2021

Understanding Uncertainty of Snow Radiative Transfer Modeling Within a Mixed Deciduous and Evergreen Forest.

Theodore Letcher, Carrie M. Vuyovich, Alexandre Langlois, Alexandre Roy

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Remote sensing experiments for earth system science.

Tianjie Zhao, Michael H. Cosh, Alexandre Roy, Xihan Mu, Yubao Qiu, Jiancheng Shi

Int. J. Digit. Earth, 2021

A low cost dielectric spectroscopy instrument dedicated to in-situ soil permittivity profile mapping.

François Demontoux, Jean-Pierre Wigneron, Arnaud Mialon, Alex Mavrovic, Alexandre Roy, Yann Kerr

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

SMAP Validation Experiment 2019-2022 (SMAPVEX19-22): Detection of Soil Moisture Under Temperate Forest Canopy.

Andreas Colliander, Michael H. Cosh, Sidharth Misra, Laura L. Bourgeau-Chavez, Vicky Kelly, Paul Siqueira, Alexandre Roy, Tarendra Lakhankar, Simon Kraatz, Alexandra Georges Konings, Mehmet Kurum, Dara Entekhabi, Peggy O'Neill, Simon H. Yueh

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

2020

SMAP Validation Experiment 2019-2021 (SMAPVEX19-21): Detection of Soil Moisture under Forest Canopy.

Andreas Colliander, Michael H. Cosh, Sidharth Misra, Laura L. Bourgeau-Chavez, Vicky Kelly, Paul Siqueira, Alexandre Roy, Tarendra Lakhankar, Simon Kraatz, Alexandra Georges Konings, Natan Holtzman, Mehmet Kurum, Dara Entekhabi, Peggy O'Neill, Simon H. Yueh

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019

Parameterization of the freeze/thaw discriminant function algorithm using dense in-situ observation network data.

Pingkai Wang, Tianjie Zhao, Jiancheng Shi, Tongxi Hu, Alexandre Roy, Yubao Qiu, Hui Lu

Int. J. Digit. Earth, 2019

2018

Modelling the L-Band Snow-Covered Surface Emission in a Winter Canadian Prairie Environment.

Alexandre Roy, Marion Leduc-Leballeur, Ghislain Picard, Alain Royer, Peter Toose, Chris Derksen, Juha Lemmetyinen, Aaron Berg, Tracy L. Rowlandson, Mike Schwank

Remote. Sens., 2018

Snow-Covered Soil Temperature Retrieval in Canadian Arctic Permafrost Areas, Using a Land Surface Scheme Informed with Satellite Remote Sensing Data.

Nicolas Marchand, Alain Royer, Gerhard Krinner, Alexandre Roy, Alexandre Langlois, Céline Vargel

Remote. Sens., 2018

Use of L-Band Ground-Based Radiometers for Freeze/Thaw Retrieval in A Boreal Forest Site.

Alexandre Roy, Peter Toose, Alex Mavrovic, Christoforos Pappas, Aaron Berg, Tracy L. Rowlandson, Chris Derksen, Alain Royer, Mariam El-Amine, Warren Helgason, Alan Barr, Oliver Sonnentag

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Snowex 2017 In-Situ Passive Microwave Measurements: Analysis of WET Snow Microwave Emission.

Alexandre Roy, Alexandre Langlois, Caroline Dolant, Ludovic Brucker, Alain Royer

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Analysis of Soil Freeze/Thaw Signatures During Slapex F/T Campaign.

Edward Kim, Tracy L. Rowlandson, Aaron A. Berg, Alexandre Roy, Renato Pardo Lara, Jarrett Powers, Paul R. Houser, Kyle McDonald, Peter Toose, Albert Wu, Eugenia DeMarco, Chris Derksen, Yiwen Zhou, Roger H. Lang, Jared Entin, Kristin Lewis

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Nasa Snowex'17 in SITU Measurements and Ground-Based Remote Sensing.

Ludovic Brucker, Christopher A. Hiemstra, Hans-Peter Marshall, Kelly Elder, Roger D. De Roo, Mohammad Mousavi, Francis Bliven, Walt Peterson, Jeffrey Deems, Peter Gadomski, Arthur Gelvin, Lucas P. Spaete, Theodore B. Barnhart, Ty Brandt, John F. Burkhart, Christopher J. Crawford, Tri Datta, Havard Erikstrod, Nancy F. Glenn, Katherine Hale, Brent Holben, Paul R. Houser, Keith Jennings, Richard E. J. Kelly, Jason Kraft, Alexandre Langlois, Daniel McGrath, Chelsea Merriman, Noah P. Molotch, Anne W. Nolin, Chris Polashenski, Mark Raleigh, Karl Rittger, Chago Rodriguez, Alexandre Roy, S. McKenzie Skiles, Eric Small, Marco Tedesco, Chris Tennant, Aaron Thompson, Zach Uhlmann, Ryan Webb, Matt Wingo

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017

Modeling the Observed Microwave Emission from Shallow Multi-Layer Tundra Snow Using DMRT-ML.

Nastaran Saberi, Richard E. J. Kelly, Peter Toose, Alexandre Roy, Chris Derksen

Remote. Sens., 2017

Spatial Variability of L-Band Brightness Temperature during Freeze/Thaw Events over a Prairie Environment.

Alexandre Roy, Peter Toose, Chris Derksen, Tracy L. Rowlandson, Aaron Berg, Juha Lemmetyinen, Alain Royer, Erica Tetlock, Warren Helgason, Oliver Sonnentag

Remote. Sens., 2017

Meteorological inventory of rain-on-snow events and detection assessment in the Canadian arctic archipelago using passive microwave radiometry.

Caroline Dolant, Alexandre Langlois, Ludovic Brucker, Alain Royer, Alexandre Roy, Benoit Montpetit

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

A first overview of SnowEx ground-based remote sensing activities during the winter 2016-2017.

Ludovic Brucker, Christopher A. Hiemstra, Hans-Peter Marshall, Kelly Elder, Roger D. De Roo, Mohammad Mousavi, Francis Bliven, Walt Peterson, Jeffrey S. Deems, Peter Gadomski, Arthur Gelvin, Lucas P. Spaete, Theodore B. Barnhart, Ty Brandt, John F. Burkhart, Christopher J. Crawford, Tri Datta, Havard Erikstrod, Nancy F. Glenn, Katherine Hale, Brent Holben, Paul R. Houser, Keith Jennings, Richard E. J. Kelly, Jason Kraft, Alexandre Langlois, Daniel McGrath, Chelsea Merriman, Noah P. Molotch, Anne W. Nolin, Chris Polashenski, Mark Raleigh, Karl Rittger, Chago Rodriguez, Alexandre Roy, S. McKenzie Skiles, Eric Small, Marco Tedesco, Chris Tennant, Aaron Thompson, Liuxi Tian, Zach Uhlmann, Ryan Webb, Matt Wingo

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016

Analysis of L-Band brightness temperatures response to freeze/thaw in two prairie environments from surface-based radiometer measurements.

Alexandre Roy, Peter Toose, Chris Derksen, Alain Royer, Alex Mavrovic, Aaron A. Berg, Lauren Arnold, Matthew Willamson, Tracy L. Rowlandson, Juha Lemmetyinen, Alexandre Langlois, Erica Tetlock, Oliver Sonnentag

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Retrieval of snow parameters from L-band observations - application for SMOS and SMAP.

Juha Lemmetyinen, Mike Schwank, Chris Derksen, Alexandre Roy, Andreas Colliander, Kimmo Rautiainen, Jouni Pulliainen

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015

Evaluation of Spaceborne L-Band Radiometer Measurements for Terrestrial Freeze/Thaw Retrievals in Canada.

Alexandre Roy, Alain Royer, Chris Derksen, Ludovic Brucker, Alexandre Langlois, Arnaud Mialon, Yann H. Kerr

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015

Creation of a Lambertian Microwave Surface for Retrieving the Downwelling Contribution in Ground-Based Radiometric Measurements.

Bruno Courtemanche, Benoit Montpetit, Alain Royer, Alexandre Roy

IEEE Geosci. Remote. Sens. Lett., 2015

Microwave snow emission modeling of boreal forest environments.

Alexandre Roy, Alain Royer, Benoit Montpetit, Alexandre Langlois

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Potential of L-band passive microwave radiometry for snow parameter retrieval.

Juha Lemmetyinen, Mike Schwank, Kimmo Rautiainen, Anna Kontu, Tiina Parkkinen, Christian Mätzler, Andreas Wiesmann, Urs Wegmüller, Chris Derksen, Peter Toose, Alexandre Roy, Jouni Pulliainen

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

2014

Modeling the Microwave Emission of Bubbly Ice: Applications to Blue Ice and Superimposed Ice in the Antarctic and Arctic.

Florent Dupont, Ghislain Picard, Alain Royer, Michel Fily, Alexandre Roy, Alexandre Langlois, Nicolas Champollion

IEEE Trans. Geosci. Remote. Sens., 2014

Relationship Between Forest Microwave Transmissivity and Structural Parameters for the Canadian Boreal Forest.

Alexandre Roy, Alain Royer, Ronald J. Hall

IEEE Geosci. Remote. Sens. Lett., 2014

2013

Brightness Temperature Simulations of the Canadian Seasonal Snowpack Driven by Measurements of the Snow Specific Surface Area.

Alexandre Roy, Ghislain Picard, Alain Royer, Benoit Montpetit, Florent Dupont, Alexandre Langlois, Chris Derksen, Nicolas Champollion

IEEE Trans. Geosci. Remote. Sens., 2013

Snow Microwave Emission Modeling of Ice Lenses Within a Snowpack Using the Microwave Emission Model for Layered Snowpacks.

Benoit Montpetit, Alain Royer, Alexandre Roy, Alexandre Langlois, Chris Derksen

IEEE Trans. Geosci. Remote. Sens., 2013

2011

Improved Corrections of Forest Effects on Passive Microwave Satellite Remote Sensing of Snow Over Boreal and Subarctic Regions.

Alexandre Langlois, Alain Royer, Florent Dupont, Alexandre Roy, Kalifa Goita, Ghislain Picard

IEEE Trans. Geosci. Remote. Sens., 2011