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Workshop on “Surface-atmosphere exchanges in the critical zone” (particles, greenhouse gases, reactive compounds)

10 June @ 14 h 00 min - 11 June @ 12 h 30 min

The CHAT/LEFE Scientific Committee is organizing a Workshop on “Surface-Atmosphere Exchanges in the Critical Zone” in Toulouse on June 10-11, 2024. Program: Monday June 10 14 Introduction and summary of the 2023 workshop 14:15 Surface-atmosphere interaction in the SIC and OA outlooks 14:30 “Contribution of cultivated surfaces to soil-plant-atmosphere exchanges: focus on ammonia, nitrous oxide and volatile organic compounds” by Raïa Massad and Sophie Genermont (INRAE, Ecosys) 15:15 “Energy and water balance of continental surfaces at the interface with the atmosphere: forcing from (or coupling with) the atmosphere?” by Olivier Merlin (CESBIO) 16:00 Coffee break 16:30 Group discussion workshops 18:00 End of first day 20:00 Dinner Tuesday June 11th 9:00 “Measurements / modeling of GHG (CO2, CH4, N2O) on pastures”, by Katja Klumpp (INRAE UREP) 9:45 “LANDEXperiment” Emilie Perraudin / Eric Villenave (EPOC) 10:30 Break 11:00 Summary of discussion groups 11:30 General discussion 12:30 Buffet lunch   During the OA and SIC communities’ foresight symposia, the need for multidisciplinarity to address issues of energy and compound exchange at continental surface/atmosphere interfaces was widely evoked. From an atmospheric standpoint, in-depth measurement and modeling of compound emissions and deposition, taking into account soil conditions (water content, surface temperature, land use), is a sine qua non for a proper understanding of atmospheric chemistry. From the point of view of continental surfaces, interfaces are defined as surfaces for the exchange of water, matter and energy between biotic and abiotic compartments. In this workshop, we want to bring together people involved in measuring and modeling exchanges of energy and gaseous and particulate compounds, in relation to soil condition, vegetation, nutrients and water. The aim is to encourage exchanges between communities working at the continent-atmosphere interface (SIC, OA, INRAE, etc.) to improve understanding and consideration of physical and biogeochemical processes in estimates of exchanges of reactive gases, greenhouse gases and particles. A first edition of this workshop took place in June 2023, and we’d like to repeat the experience to broaden our thinking. This workshop, which will be largely discussion-based, should enable the two communities to learn about each other’s different approaches and common needs, and thus encourage new collaborations and the emergence of new projects. The workshop will be held in Toulouse (Observatoire Midi Pyrénées) over two half-days (Monday June 10, 2pm – Tuesday June 11, 12pm). After some general and more targeted presentations, time will be devoted to formal and informal discussions. The deadline for registration is May 7, 2024. To register, please send an email to Claire Delon, Virginie Marecal, Aurore Brut and Didier Voisin.

Details

Start:
10 June @ 14 h 00 min
End:
11 June @ 12 h 30 min
Event Category:
Event Tags:
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Organiser

Comité Scientifique de l’Action CHAT du programme de recherche multi-organismes LEFE coordonné par le CNRS – INSU

Venue

CESBIO
Centre d'Etudes Spatiales de la Biosphère
Toulouse, 31400 France
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