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hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorDUPONT, Sylvain
dc.date.accessioned2024-04-08T12:11:38Z
dc.date.available2024-04-08T12:11:38Z
dc.date.issued2016
dc.identifier.issn0168-1923
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196700
dc.description.abstractEnForest wind damage occurs under the passage of strong intermittent wind gusts at tree level. In order topredict the probability of tree damage of a forest, a simple statistical wind speed model was developed and coupled to a tree swaying model. The wind model is based on a stochastic approach and on some universal characters of normalized wind statistics at canopy top. This model aims at generating high frequency (10 Hz) time series of the three wind velocity components at canopy top knowing only the wind intensity from a nearby meteorological station and the height and cumulative plant area index of the forest. Compared to field measurements and large-eddy simulations over different canopy structures and densities, the wind model was able to reproduce accurately the main features of canopy-top wind dynamics, in particular the signature of the mixing-layer type coherent eddy structures developing at canopy top. Coupled with a tree swaying model, the model has allowed to predict the probability of wind damage of forest following the windstorm intensity and duration, and following the main tree characteristics resulting from silvicultural scenarios. By responding to some weaknesses of existing mechanistic wind risk models, this simple wind–tree interaction model may represent the first step toward a new generation of mechanistic wind risk models based on a probabilistic approach.
dc.language.isoen
dc.publisherElsevier Masson
dc.subjectdégât dû au vent
dc.subjectapproche stochastique
dc.subjectmodèle probabiliste
dc.subjectcaractéristique du couvert
dc.subject.enforest wind damage
dc.subject.enstochastic wind model
dc.subject.entree motion
dc.subject.enwind risk
dc.subject.enwind damage
dc.subject.enprobabilistic model
dc.title.enA simple wind–tree interaction model predicting the probabilityof wind damage at stand level
dc.typeArticle de revue
dc.identifier.doi10.1016/j.agrformet.2016.04.014
dc.subject.halSciences de l'environnement/Milieux et Changements globaux
bordeaux.journalAgricultural and Forest Meteorology
bordeaux.page49-63
bordeaux.volume224
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-01512034
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01512034v1
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