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dc.contributor.author Kelley, M. C.
dc.contributor.author Chen, C. Y.
dc.contributor.author Beland, R. R.
dc.contributor.author Woodman Pollitt, Ronald Francisco
dc.contributor.author Chau Chong Shing, Jorge Luis
dc.contributor.author Werne, J.
dc.date.accessioned 2018-07-16T12:53:09Z
dc.date.available 2018-07-16T12:53:09Z
dc.date.issued 2005-07-27
dc.identifier.citation Kelley, M. C., Chen, C. Y., Beland, R. R., Woodman, R. F., Chau, J. L., & Werne, J. (2005). Persistence of a Kelvin-Helmholtz instability complex in the upper troposphere.==$Journal of Geophysical Research: Atmospheres, 110$==(D14), D14106. https://doi.org/10.1029/2004JD005345 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/1868
dc.description.abstract During the period of 7–14 September 1998 a multiple instrument campaign was conducted at the Jicamarca Radio Observatory (JRO) near Lima, Peru, using a 50-MHz VHF radar and radiosondes. In this paper we discuss the radar and in situ observations and interpret them with insight gained from high-resolution numerical simulations of the Kelvin-Helmholtz instability (KHI). Evidence is presented that a large-scale shear in the upper troposphere on 8 September 1998 becomes locally unstable due to ambient gravity wave activity. Isolated KHI events result and subsequently grow and merge to form a large 3-km mixing layer. A 3-km-deep potential-temperature step is observed at the same altitude at least a full day after the initial observations. Analysis indicates that neither turbulent mixing nor radiative cooling is capable of destroying the fully developed temperature step in the 21 hours available, which lends credence to the hypothesis that the structure persisted for this period of time. Alternately, the structure could be continuously generated by a standing wave associated with mountain wave forcing. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:2169-897X
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Radar meteorology es_ES
dc.subject Kelvin‐Helmholtz instability es_ES
dc.subject Turbulence es_ES
dc.title Persistence of a Kelvin-Helmholtz instability complex in the upper troposphere es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Journal of Geophysical Research: Atmospheres es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1029/2004JD005345 es_ES

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