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Macro-scale patterns in upwelling/ downwelling activity at North american west coast

dc.creatorROMEO EDEN SALDIVAR LUCIO
dc.creatorEmanuele Di Lorenzo
dc.creatorMIGUEL NAKAMURA SAVOY
dc.creatorHECTOR VILLALOBOS ORTIZ
dc.creatorDANIEL BERNARDO LLUCH COTA
dc.creatorPABLO DEL MONTE LUNA
dc.date2016
dc.identifierhttp://cibnor.repositorioinstitucional.mx/jspui/handle/1001/638
dc.identifier.urihttp://dspace.cibnor.mx:8080/handle/123456789/645
dc.description"The seasonal and interannual variability of vertical transport (upwelling/downwelling) has been relatively well studied, mainly for the California Current System, including low-frequency changes and latitudinal heterogeneity. The aim of this work was to identify potentially predictable patterns in upwelling/downwelling activity along the North American west coast and discuss their plausible mechanisms. To this purpose we applied the min/max Autocorrelation Factor technique and time series analysis. We found that spatial co-variation of seawater vertical movements present three dominant low-frequency signals in the range of 33, 19 and 11 years, resembling periodicities of: atmospheric circulation, nodal moon tides and solar activity. Those periodicities might be related to the variability of vertical transport through their influence on dominant wind patterns, the position/intensity of pressure centers and the strength of atmospheric circulation cells (wind stress). The low-frequency signals identified in upwelling/downwelling are coherent with temporal patterns previously reported at the study region: sea surface temperature along the Pacific coast of North America, catch fluctuations of anchovy Engraulis mordax and sardine Sardinops sagax, the Pacific Decadal Oscillation, changes in abundance and distribution of salmon populations, and variations in the position and intensity of the Aleutian low. Since the vertical transport is an oceanographic process with strong biological relevance, the recognition of their spatio-temporal patterns might allow for some reasonable forecasting capacity, potentially useful for marine resources management of the region."
dc.formatapplication/pdf
dc.languageeng
dc.relationinfo:eu-repo/semantics/dataset/DOI/DOI: 10.1371/journal.pone.0166962
dc.relationinfo:eu-repo/semantics/reference/DOI/DOI: 10.1371/journal.pone.0166962
dc.relationinfo:eu-repo/semantics/reference/URL/URL: http://journals.plos.org/plosone
dc.relationcitation:Saldívar-Lucio R, Di Lorenzo E, Nakamura M, Villalobos H, Lluch-Cota D, Del Monte-Luna P (2016) Macro-Scale Patterns in Upwelling/Downwelling Activity at North American West Coast. PLoS ONE 11(11): e0166962. doi:10.1371/journal.pone.0166962
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.sourcePlos One
dc.subjectinfo:eu-repo/classification/AUTOR/El Niño-Southern Oscillation, Oceans, Latitude, Sea water, Seasons, Forecasting, North America, Oceanography
dc.subjectinfo:eu-repo/classification/cti/1
dc.subjectinfo:eu-repo/classification/cti/25
dc.subjectinfo:eu-repo/classification/cti/2510
dc.subjectinfo:eu-repo/classification/cti/251010
dc.titleMacro-scale patterns in upwelling/ downwelling activity at North american west coast
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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