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dc.contributor.author Li, Z.
dc.contributor.author Naqvi, S.
dc.contributor.author Gerrard, A. J.
dc.contributor.author Chau Chong Shing, Jorge Luis
dc.contributor.author Bhattacharya, Y.
dc.date.accessioned 2018-06-28T19:10:04Z
dc.date.available 2018-06-28T19:10:04Z
dc.date.issued 2012-11-22
dc.identifier.citation Li, Z., Naqvi, S., Gerrard, A. J., Chau, J. L., & Bhattacharya, Y. (2012). Initial MST radar observations of upper tropospheric-lower stratospheric duct-like structures over Jicamarca, Peru.==$Atmospheric Chemistry and Physics, 12$==(22), 11085–11093. https://doi.org/10.5194/acp-12-11085-2012 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/1595
dc.description.abstract Persistent wind jet structures along zonal and meridional fields, believed to be caused by stationary gravity waves, were detected in February 1999 in mesospherestratosphere-troposphere (MST) radar wind measurements of the troposphere and lower stratosphere over Jicamarca, Peru. Over a continuous seven day span of MST-data analyzed in this study, two days of observations showed signatures of wave-like structures in the upper troposphere/lower stratosphere wind jets associated with the phases of the stationary gravity waves. We believe these wave-like structures are ducted gravity waves. We present these initial observations, their characteristics, and the results of simple numerical simulations used in an attempt to mimic these observed features. Although a fair replication of the observed ducted structure in the numerical model is found, the observed period of ∼90 min is nonetheless much longer than what is traditionally observed. As a result, the specific physical nature of the observed structures is not fully established. Nevertheless, given the high quality of the observations, we demonstrate here that continued analysis of this data set and concurrent modeling efforts will allow for a better understanding of Doppler ducts at high spatial and temporal resolution, and the results presented here can ultimately be applied to studies of middle atmospheric fronts, ducts, and bores. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher European Geosciences Union es_ES
dc.relation.ispartof urn:issn:1680-7375
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Stratosphere es_ES
dc.subject Winds es_ES
dc.subject Gravitational waves es_ES
dc.subject Geomagnetism es_ES
dc.subject Ionosphere es_ES
dc.subject Radar es_ES
dc.subject Mesosphere es_ES
dc.subject Atmospheric physics es_ES
dc.title Initial MST radar observations of upper tropospheric-lower stratospheric duct-like structures over Jicamarca, Peru 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 Atmospheric Chemistry and Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.5194/acp-12-11085-2012 es_ES

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