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Non-hydrostatic effects on mountain wave breaking in directional shear flows

TitoloNon-hydrostatic effects on mountain wave breaking in directional shear flows
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2017
AutoriGuarino, Maria Vittoria, and Teixeira Miguel A. C.
RivistaQuarterly Journal of the Royal Meteorological Society
Volume143
Paginazione3291 – 3297
Type of ArticleLetter
ISSN00359009
Abstract

Mountain waves excited by narrow 3D orography are investigated using idealized numerical simulations of atmospheric flows with directional wind shear. The stability of these waves is compared with the stability of hydrostatic mountain waves. The focus is on understanding how wave breaking is modified via gravity wave–critical level interaction, when non-hydrostatic (dispersive) effects arise. The influence of non-hydrostatic effects on wave breaking appears to be a function of the intensity of the background shear, increasing the stability of the flow (inhibiting wave breaking) for weak wind shear, but decreasing it instead (enhancing wave breaking) for stronger wind shear. © 2017 Royal Meteorological Society

Note

Cited by: 2; All Open Access, Green Open Access

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85031126279&doi=10.1002%2fqj.3157&partnerID=40&md5=82996e3bfaea7a7be05a23d735d7fc1e
DOI10.1002/qj.3157
Citation KeyGuarino20173291