Mostrar el registro sencillo del ítem

Wind damage propagation in forests

hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorDUPONT, Sylvain
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorPIVATO, David
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorBRUNET, Yves
dc.date.accessioned2024-04-08T12:02:58Z
dc.date.available2024-04-08T12:02:58Z
dc.date.issued2015
dc.identifier.issn0168-1923
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196237
dc.description.abstractEnA key issue for predicting and mitigating the risk of wind damage in forests is to understand the mechanics of damage propagation during windstorms. Until now the acting processes have been poorly understood due to the difficulty of performing measurements in such extreme conditions. Here we use an innovative wind–tree interaction model, which allows for large deflection and tree breakage, to unravel for the first time the mechanisms of damage propagation at forest scale. We find that damage propagation involves two stages. Firstly, initial damage is caused by the impact of strong downward wind gusts. Trees break preferentially at the end of such critical passing sweeps, as the tree motion decelerates. The second stage starts when the damaged areas reach about 5 canopy heights in length and 1 canopy height in width: as the flow accelerates within the damaged areas the mean wind load becomes sufficient to break newly-created edge trees. From this bifurcation point tree damage increases drastically, irrespective of the tree motion state and the type of passing gusts. In addition to demonstrating the possibility of simulating wind damage propagation, these results have considerable potential for improving wind risk models.
dc.language.isoen
dc.publisherElsevier Masson
dc.subjectdamage propagation
dc.subject.enforest wind damage
dc.subject.entree motion
dc.subject.enwind risk
dc.title.enWind damage propagation in forests
dc.typeArticle de revue
dc.identifier.doi10.1016/j.agrformet.2015.07.010
dc.subject.halSciences de l'environnement/Milieux et Changements globaux
bordeaux.journalAgricultural and Forest Meteorology
bordeaux.page243-251
bordeaux.volume214–215
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02632671
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02632671v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Agricultural%20and%20Forest%20Meteorology&rft.date=2015&rft.volume=214%E2%80%93215&rft.spage=243-251&rft.epage=243-251&rft.eissn=0168-1923&rft.issn=0168-1923&rft.au=DUPONT,%20Sylvain&PIVATO,%20David&BRUNET,%20Yves&rft.genre=article


Archivos en el ítem

ArchivosTamañoFormatoVer

No hay archivos asociados a este ítem.

Este ítem aparece en la(s) siguiente(s) colección(ones)

Mostrar el registro sencillo del ítem