Life cycle of stratocumulus clouds over 1 year at the coast of the Atacama Desert

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dc.catalogadoryvc
dc.contributor.authorSchween, Jan H.
dc.contributor.authorRío López, Camilo Del
dc.contributor.authorGarcía Barriga, Juan Luis
dc.contributor.authorOsses Mc Intyre, Pablo Eugenio
dc.contributor.authorWestbrook, Sarah
dc.contributor.authorLohnert, Ulrich
dc.date.accessioned2024-08-19T23:21:39Z
dc.date.available2024-08-19T23:21:39Z
dc.date.issued2022
dc.description.abstractMarine stratocumulus clouds of the eastern Pacific play an essential role in the earth's energy and radiation budget. Parts of these clouds off the western coast of South America form the major source of water to the hyperarid Atacama Desert coastal region at the northern coast of Chile. For the first time, a full year of vertical structure observations of the coastal stratocumulus and their environment is presented and analyzed. Installed at Iquique Airport in northern Chile in 2018/2019, three state-of-the-art remote sensing instruments provide vertical profiles of cloud macro- and micro-physical properties, wind, turbulence, and temperature as well as integrated values of water vapor and liquid water. Distinct diurnal and seasonal patterns of the stratocumulus life cycle are observed. Embedded in a land-sea circulation with a superimposed southerly wind component, maximum cloud occurrence and vertical extent occur at night but minima at local noon. Nighttime clouds are maintained by cloud-top cooling, whereas afternoon clouds reappear within a convective boundary layer driven through local moisture advection from the Pacific. During the night, these clouds finally re-connect to the maritime clouds in the upper branch of the land-sea circulation. The diurnal cycle is much more pronounced in austral winter, with lower, thicker, and more abundant (5x) clouds than in summer. This can be associated with different sea surface temperature (SST) gradients in summer and winter, leading to a stable or neutral stratification of the maritime boundary layer at the coast of the Atacama Desert in Iquique.
dc.description.funderDeutsche Forschungsgemeinschaft (DFG, German Research Foundation) Collaborative Research Centre 1211 Earth -Evolution at the Dry Limit
dc.fechaingreso.objetodigital2024-08-19
dc.format.extent27 páginas
dc.fuente.origenWOS
dc.identifier.doi10.5194/acp-22-12241-2022
dc.identifier.eissn1680-7324
dc.identifier.issn1680-7316
dc.identifier.urihttp://doi.org/10.5194/acp-22-12241-2022
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/87525
dc.identifier.wosidWOS:000855443500001
dc.information.autorucInstituto de Geografía;Río López, Camilo Del; 0000-0002-6817-431X; 17960
dc.information.autorucInstituto de Geografía;García Barriga, Juan Luis; 0000-0002-9028-7572; 9823
dc.information.autorucInstituto de Geografía;Osses Mc Intyre, Pablo Eugenio; 0000-0001-8102-7296; 91302
dc.issue.numero18
dc.language.isoen
dc.nota.accesocontenido completo
dc.pagina.final12267
dc.pagina.inicio12241
dc.publisherCopernicus Gesellschaft MBH
dc.revistaAtmospheric Chemistry and Physics
dc.rightsacceso abierto
dc.rights.licenseCC BY Atribución Internacional 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc900
dc.subject.deweyHistoria y geografíaes_ES
dc.subject.ods14 Life below water
dc.subject.ods13 Climate action
dc.subject.odspa14 Vida submarina
dc.subject.odspa13 Acción por el clima
dc.titleLife cycle of stratocumulus clouds over 1 year at the coast of the Atacama Desert
dc.typeartículo
dc.volumen22
sipa.codpersvinculados17960
sipa.codpersvinculados9823
sipa.codpersvinculados91302
sipa.trazabilidadWOS;2022-10-11
sipa.trazabilidadORCID;2024-08-19
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