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| Titel |
VOCALS-CUpEx: the Chilean Upwelling Experiment |
| VerfasserIn |
R. D. Garreaud, J. A. Rutllant, R. C. Muñoz, D. A. Rahn, M. Ramos, D. Figueroa |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 11, no. 5 ; Nr. 11, no. 5 (2011-03-04), S.2015-2029 |
| Datensatznummer |
250009444
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| Publikation (Nr.) |
 copernicus.org/acp-11-2015-2011.pdf |
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| Zusammenfassung |
The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx)
was a major field experiment conducted in spring of 2008 off southern Peru
and northern Chile, aimed at better understanding the coupled climate
systems of the southeast Pacific. Because of logistical constrains, the
coastal area around 30° S was not sampled during VOCALS-REx. This area
not only marks the poleward edge of the subtropical stratocumulus cloud
regime (thus acting as a source of transient disturbances) but is also one
of the most active upwelling centers and source of surface ocean kinetic
energy along the Chilean coast. To fill such an observational gap, a small,
brief, but highly focused field experiment was conducted in late spring 2009
in the near-shore region around 30° S. The Chilean Upwelling Experiment
(CUpEx) was endorsed by VOCALS as a regional component.
CUpEx included long-term monitoring, an intensive two-week field campaign
and off-shore research flights. Our goal was to obtain an atmospheric/oceanic dataset with enough temporal and spatial coverage to be able to
document (a) the mean diurnal cycles of the lower-troposphere and
upper-ocean in a region of complex topography and coastline geometry, and
(b) the ocean-atmosphere response to the rapid changes in coastal winds from
strong, upwelling-favorable equatorward flow (southerly winds) to
downwelling-favorable poleward flow (northerly winds). In this paper we
describe the measurement platforms and sampling strategy, and provide an
observational overview, highlighting some key mean-state and transient
features. |
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