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Laurent Arnaud, Research Engineer, CNRS
I study the snow cover on the surface of the polar ice caps and develop new instruments to characterize the optical and physical properties of snow. Our current challenge is to access the small and large scale spatial variability of snow cover properties. To do this, I participate in many field missions in polar regions and integrate our various sensors on drones. At the same time, I’m leading the UAV-IGE project, whose objective is to promote the use of UAVs in the various IGE themes.
Yves Arnaud, Researcher, IRD
I study Andean and Himalayan glaciers using remote sensing. My expertise is in the application of remote sensing to the evaluation of glacier surface and mass loss, but also to the study of the atmosphere.
Jordi Bolibar, PhD student
I study the evolution of glaciers to climate change on a regional scale and its hydrological consequences. I use machine learning modeling approaches combined with physical-empirical models. During my thesis, I applied these methods to the study of the evolution of all glaciers in the French Alps between 1967 and 2100, in order to better understand the reasons for these changes, the non-linear interactions between climate and glaciers and the hydrological consequences for the region.
Fanny Brun, Chargée de Recherche, IRD
My research work focuses on the measurement of mass changes of mountain glaciers. The originality of my approach is to combine both field measurements (to better understand glaciological processes) and spatial remote sensing measurements (to apprehend changes on a regional scale). I am particularly interested in the glaciers of Asia, the Andes and the Alps.
Alexis Caro, PhD student
I study the past, present and future contribution of glacier melt to the outflow of mountain watersheds. I pay particular attention to hydro-meteorological and glaciological modelling (mass balances) of Andean glaciers. My previous work was mainly focused on hydrological measurements and simulations in the arid regions of Chile.
Claire Brutel-Vuilmet, Maître de Conférences, UGA/IUT1
My research concerns the modeling of the climate system in polar, subarctic or high mountain areas. I am more particularly interested in the cryosphere : its feedbacks on the atmosphere, interactions with vegetation, or thermal exchanges with the surface (soil, permaforst...). In the framework of the ESM-SnowMIP model intercomparison project, I am participating in the evaluation of snow models and I am trying to quantify some snow feedbacks on the other components of the climate system.
Thomas Condom, Researcher, IRD
I am a hydro-glaciologist. My research focuses on the hydrological cycle in mountain areas (Andes and Alps), where glaciers, impacted by climate change, can play an important role, still little known. My work is based on in-situ and satellite measurements and hydro-glaciological modelling, in order to better understand the interactions between climate variability and the response of hydrological systems at different spatial and temporal scales. I am co-director of the GREAT ICE International Joint Laboratory (IRD) which is a unique global network of researchers from North and South interested in glaciology-hydrology-climate-biodiversity relationships in the tropical Andes.
Diego Cusicanqui, PhD sturent (IGE & EDYTEM)
I work with satellite, aerial and terrestrial photogrammetry techniques to study mountain permafrost, covered glaciers and mountain glaciers. I am particularly interested in the dynamics of permafrost and the natural hazards resulting from its melting due to global warming in mountain regions.
Jean-Pierre Dedieu, Researcher, CNRS
My research activities focus on the study of the physical properties of snow and ice by spatial remote sensing for the analysis of snow-glacial processes (space-time dynamics, water balances) in relation to climate parameters measured at the regional scale. The sensors used are in active radar (SAR) or optical mode and the resituated data are compared to in-situ measurements in order to model the target behaviours (albedo, snow depth, density). The application sites and international scientific programs are located in the following locations
Jhan Carlo Espinoza, Assistant Researcher, IRD (MOPGA)
My research focuses on understanding the impacts of climate variability and change on hydrology in the Amazon basin, with a special emphasis on the Andean-Amazon region. Since 2018 I am leading the AMANECER (Amazon-Andes connectivity) project of the Make our Planet Great Again program. In this framework, I am more interested in the climatic continuity between the Amazon and the Andes by considering the impacts of climate change and land use changes in the Amazon. I am a member of the steering committee of the regional hydro-climatic program ANDEX (GEWEX) and of the Scientific Panel for the Amazon (SDSN, United Nations).
Gilles Delaygue, Lecturer, UGA
My research focuses on climate variability, its reconstruction methods, and its origins, in particular the role of solar activity in the modulation of this activity in the North Atlantic. I teach Earth sciences in bachelor and master degrees at UGA.
Vincent Favier, Lecturer (Assistant Physist), OSUG-UGA
My research focuses on the measurement and regional scale modeling of the Antarctic surface energy and mass balances (GLACIOCLIM-SAMBA). Outside Antarctica, my research is focused on the link between climate and glacier melting, with a focus on the sub-Antarctic region (Kerguelen archipelago) and Patagonia.
Hubert Gallée, Senior Scientist,
I am the developer of the Regional Atmospheric Model (MAR) and I am particularly interested in the applications of this model for the study of the hydrological cycle, the surface mass balance of Antarctica, including the transport of snow by wind. I am also currently interested in the rainfall regime of West Africa.
Fatima Jomaa, PhD student
I am currently working on the investigation of the hydrological cycle in the coastal regions of southern France (Gulf of Lion) to better understand the climate trends and variability changes over the Mediterranean as part of my PhD under the supervision of Olga Zolina.
Bruno Jourdain, Physicien adjoint, UGA, OSUG
I recently joined the Service National d’Observation GLACIOCLIM in which I participate in the monitoring of mountain glaciers.
Clémentine Junquas, Researcher, IRD
I study the spatial and temporal variability of precipitation in the tropical Andes and seek to better understand the local, regional and global atmospheric processes that influence Andean precipitation. I use among others the regional climate model WRF (Weather Research and Forecasting) in order to perform climate simulations at high spatio-temporal resolution. I am particularly interested in high glacial watersheds and valley processes in the Amazon-Andes transition zone.
Gerhard Krinner, Senior Scientist, CNRS
My work in polar climate modeling focuses on surface processes (snow, permafrost) and ice sheet mass balance. I also work on error correction methods for climate simulations. Furthermore, I am currently heavily involved in the work of the IPCC for the preparation of the 6th Assessment Report (2021/2022).
Michaël Lalande, Phd Student, UGA
I am currently working on the modeling of climate trends and variability in the Asian High Mountains to understand cryosphere changes as part of my PhD at the Institute of Environmental Geosciences (Grenoble, France). My supervisors are Martin Ménégoz and Gerhard Krinner. We work in close collaboration with the IPSL in Paris using the LMDZ model.
Anne Letreguilly, Maître de Conférences, UGA
My research focuses on the analysis and spatialization of ice mass balance data. I teach in L1 Life Sciences and L1 Chemistry-Biochemistry (computer science, co-responsibility of these Teaching Units) but also in L3 Earth and Environmental Sciences, and L3 Physics - Earth and Environmental Sciences - Mechanics (glaciology).
Martin Ménégoz, Researcher, CNRS
My research activity focuses on climate variability. I use climate models and observational datasets to study the climate response to external forcings : natural (such as volcanic eruptions), and anthropogenic (such as greenhouse gases and atmospheric aerosols). My investigations concern the climate of the past centuries as well as projections for the next century. I am particularly interested in the interactions between the atmosphere, the hydrosphere and the cryosphere over mountainous areas.
Ugo Nanni, Doctorant, UGA
After a bachelor of Geosciences focused on structural geology, I came to glaciology thanks a summer school in Svalbard. I first integrated IGE during my master to work on the coupling between the subglacial hydrology and ice dynamic. I then joined in October 2017 Christian Vincent and Florent Gimbert to do my PhD with the objective to bring new constraints on the temporal and spatial dynamics on the subglacial hydrology system using passive seismology. Over the last three years I installed a series of seismometer on the glacier d’Argentière, including a one-month survey with 98 seismometers. I am involved in the RESOLVE project.
Ignacio Palomo, Researcher, IRD
I work on mountain socio-ecological systems, mainly on their challenges within the Anthropocene and the potential of nature-based solutions to address them. In particular, I study the interactions between biodiversity, ecosystem services and social equity.
Ghislain Picard, Professor, UGA
I study the snow cover in the polar regions (Antarctica, Arctic) using satellite observations and in-situ instruments. My aims is to detect and understand snow changes induced by the climate. For this, I’m interesting in measuring and modeling the dynamics of the albedo, grain size, temperature, impurities content and all the other snow properties that somehow play a role on the Surface Energy Balance. I have been involved in many polar field campaigns and I have developed several radiative transfer models working in the optical and microwave ranges to understand the satellite signal and compute the surface radiative fluxes.
Marine Poizat, PhD student, UGA
I study snow dunes in Antarctica using remote sensing and theoretical knowledge of dune dynamics. My thesis aims at understanding their orientation, size, dynamics and formation.
Alvaro Robledano-Perez, PhD student
My thesis is part of the ANR MiMESis-3D project and deals with the link between snow microstructure and optical properties (especially albedo). I study this link using numerical simulations at the microscopic scale.
Jean Emmanuel Sicart, Researcher, IRD
I am interested in the interactions between climate and glaciers and snow-covered mountains, especially in the Central Andes and the Alps. The analysis of the climatic forcings that control glaciers involves the study of atmospheric energy flows. I am therefore interested in the measurement (and associated problems) and simulation (and associated problems) of these flows that provide energy for melting ice or snow.
Hans Segura, PhD student, UGA
I am working to understand the atmospheric mechanisms associated with the variability of precipitation in the Andes between 20S and 1N on several time scales. In particular, I am interested in the understanding of convection over the Amazon region and the development of the Bolivian anticyclone and their interaction with precipitation over the southern tropical Andes.
juan-pablo.sierra-perez, PhD student, UGA
I analyze the effects of deforestation in the Amazon on the climate of the northern and central zone of South America. My work is carried out using the WRF regional circulation model.
Delphine Six, Professor (Physicist), OSUG-UGA
My research activities focus on the monitoring of mountain glaciers (mainly in the Alps) as an emblematic indicator of climate change. My research is based on a set of observations declined within the National Observation Service GLACIOCLIM, Service that I carry and coordinate. Today, my research activities are very largely oriented towards society with many applications for hydroelectric companies, tourism companies, government services, as to the future evolution of mountain glaciers.
Patrick Wagnon, Senior Researcher, IRD
As a field glaciologist specializing in the Himalayas, I have set up a glacier observation network in India since 2002 and in Nepal since 2007, within the framework of the GLACIOCLIM observatory (https://glacioclim.osug.fr/). My research focuses on glacier mass balances in these regions, and their relationship with the current climate. I work in collaboration with local teams, and lead the High Mountains of Asia project at the IGE.
Jonathan Wille, PhD student, UGA
I study atmospheric dynamics around Antarctica and how meteorological extremes influence surface mass balance and ice sheet dynamics. In particular, I am interested in the climatology of polar atmospheric rivers and their wide-ranging impacts on surface melt process, ice shelf stability, precipitation patterns, and past-climate reconstruction via ice cores.
Olga Zolina, Lecturer, UGA
My research is primarily focused on hydrological cycle, climate dynamics and extreme hydroclimate events using the observational diagnostics and
modeling. Together with my PhD students and postdocs we develop estimates of the moisture transports to the Arctic and over Europe and analyse the impact of moisture transport on the Arctic amplification. We also analyse the dynamics of show cover and snow water equivalent in different observational and model data sets as well as snow-albedo feedbacks in observations and model products. In the past I was deeply involved in developing diagnostics of precipitation extremes over European continent and was engaged in WCRP GEWEX (as a member of GEWEX SSG) and in CLIVAR Climate Dynamics Panel.