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8. Temperature spatial variability analysis in the aim of enhancing the use or implementation of wind machines park

Author

Le Cap, Clara, Carlier, Johan, Quénol, Hervé, Heitz, Dominique, Buisson, Emmanuel, Optimisation des procédés en Agriculture, Agroalimentaire et Environnement (UR OPAALE), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Weather Measures, Littoral, Environnement, Télédétection, Géomatique UMR 6554 (LETG), Université de Brest (UBO)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (Nantes Univ - IGARUN), Nantes Université - pôle Humanités, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Humanités, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Europe - EPI Agri - Rural development 2014-2020 for Operational Groups (in the sense of Art 56 of Reg.1305/2013), SICTAG, and European Project: SICTAG

Subjects
[SDE.MCG]Environmental Sciences/Global Changes, Spring frost, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], vineyard, wind machine
Abstract

Spring frosts after budburst are responsible for crop losses and threaten local economies. As global warming tends to advance the phenological stages of plants, these become more and more subject to facing a long period of freezing temperatures. For a given meteorologic situation, the topography of the studied site and the nature of the soil of the plots constituting it, a temperature spatial variability expands within the same territory. Considering a radiative frost, the temperature can thus differ by several degrees, creating areas of cold and warm air that it is necessary to know to fight wisely against the frost. Nowadays, many solutions exist to fight against frost, including the wind machines that dot the Quincy vineyard in France. Weather variables, topographic parameters, and daily minimum temperatures from a network of connected sensors scattered throughout the vineyard are retrieved for the last three spring seasons of 2020,2021, and 2022. Then, thanks to a hierarchical clustering algorithm, it is possible to link the spatial variability of temperatures to the synoptic situation and the topography of the domain. The outcome is the assessment of the frost risk areas to propose a judicious implantation of wind machines in the vineyard of Quincy.

Published
2022

11. Towards wind machines park management automatization to improve fight against spring frost events

Author

Le Cap, Clara, Heitz, Dominique, Carlier, Johan, Quenol, Hervé, Buisson, Emmanuel, Weather Measures, Optimisation des procédés en Agriculture, Agroalimentaire et Environnement (UR OPAALE), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Littoral, Environnement, Télédétection, Géomatique (LETG - Rennes), Littoral, Environnement, Télédétection, Géomatique UMR 6554 (LETG), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Université d'Angers (UA)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Brest (UBO)-Université de Rennes 2 (UR2), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN), Université de Nantes (UN)-Université de Nantes (UN)-Université de Caen Normandie (UNICAEN), Université de Nantes (UN)-Université de Nantes (UN), and Heitz, Dominique

Subjects
[SPI.MECA.MEFL] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph], [INFO.INFO-MO] Computer Science [cs]/Modeling and Simulation, [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation, [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, ComputingMilieux_MISCELLANEOUS, [SPI.SIGNAL] Engineering Sciences [physics]/Signal and Image processing, [SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph]
Abstract

International audience

Published
2021

13. Le climat d'Auvergne

Author

Buisson, Emmanuel, Piquet, Agnès, Weather Measures, Génétique Diversité et Ecophysiologie des Céréales (GDEC), Institut National de la Recherche Agronomique (INRA)-Université Clermont Auvergne [2017-2020] (UCA [2017-2020]), Carrère P, Doreau M, Lesage V, Piquet A, Bernard, Nathalie, and Carrère P, Doreau M, Lesage V, Piquet A

Subjects
[SDE] Environmental Sciences, [SDE]Environmental Sciences, [SDE.ES] Environmental Sciences/Environmental and Society, [SDE.ES]Environmental Sciences/Environmental and Society, ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2018

17. An integrated tool to forecast and reduce refinery contribution to SO2 pollution peaks.

Author

Duclaux, Olivier, Donnat, Ludovic, Puel, Cécile, Carlier, Francois-Etienne, Laborde, Michel, and Buisson, Emmanuel

Subjects
SULFUR oxides, FORECASTING, EMISSION control, DISPERSION (Chemistry), AIR quality management, METEOROLOGICAL observations
Abstract

For many plants, the annual average impact is significantly lower than the regulation limit. Nevertheless, in some critical meteorological conditions, pollution peaks may occur. The present study describes an original control method for refinery emissions based on meteorological forecast and dispersion modelling, to avoid SO2 pollution peaks. An integrated operational tool has been developed to forecast, automatically, 24 h a day, the environmental SO2 impact around the plant for the next two days. The operational system allows the site to avoid the major part of pollution peaks and the associated cost. [ABSTRACT FROM AUTHOR]

Published
2011
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