Orographic rainfall hot spots in the Andes‐Amazon transition according to the TRMM precipitation radar and in situ data

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dc.contributor.authorChávez Jara, Steven Paul
dc.contributor.authorTakahashi, Ken
dc.coverage.spatialAndes
dc.coverage.spatialAmazonas
dc.coverage.spatialPerú
dc.date.accessioned2018-08-06T10:41:22Z
dc.date.available2018-08-06T10:41:22Z
dc.date.issued2017-06-16
dc.description.abstractThe Andes‐Amazon transition, along the eastern Peruvian Andes, features “hot spots” with strong precipitation. Using 15 years of Tropical Rainfall Measuring Mission PR data we established a robust relation between terrain elevation and mean surface precipitation, with the latter peaking around 1000 m above sea level (asl), coinciding with the moisture flux peak of the South American Low Level Jet (SALLJ). There is strong diurnal variability, with afternoon (13–18 LT) convection in the Amazon plains, while on the eastern slopes (1000–2000 m asl), after the forcing associated with the thermal heating of the Andes subsides, convection grows during the night and surface precipitation peaks around 01–06 LT and organizes into mesoscale convective systems (MCSs). These then displace downslope to an terrain elevation of 700 m asl with stratiform regions spreading upslope and downslope and then decay during the remainder of the morning. The large MCSs contribute with at least 50% of daily rainfall (60% of the 01–06 LT rainfall). On synoptic scales, the large MCSs are more common in stronger SALLJ conditions, although subtropical cold surges are responsible for 16% of the cases.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationChavez, S. P. & Takahashi, K. (2017). Orographic rainfall hot spots in the Andes‐Amazon transition according to the TRMM precipitation radar and in situ data.==$Journal of Geophysical Research: Atmospheres, 122$==(11), 5870-5882. https://doi.org/10.1002/2016JD026282es_ES
dc.identifier.doihttps://doi.org/10.1002/2016JD026282es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of Geophysical Research: Atmosphereses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/2240
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Union (AGU)es_ES
dc.relation.ispartofurn:issn:2169-897X
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.uri(c) American Geophysical Uniones_ES
dc.subjectOrographic rainfalles_ES
dc.subjectPrecipitation radares_ES
dc.subjectTRMMes_ES
dc.subjectIn situ measurementses_ES
dc.subjectAndeses_ES
dc.subjectAmazones_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.00es_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.09es_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.10es_ES
dc.titleOrographic rainfall hot spots in the Andes‐Amazon transition according to the TRMM precipitation radar and in situ dataes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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