Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California

Continuous atmospheric records of O<sub>2</sub>/N<sub>2</sub>, CO<sub>2</sub> and N<sub>2</sub>O obtained at Trinidad, California document the effects of air-sea exchange during coastal upwelling and plankton bloom events. The atmospheric records provi...

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Main Author: T. J. Lueker
Format: Article
Language:English
Published: Copernicus Publications 2004-01-01
Series:Biogeosciences
Online Access:http://www.biogeosciences.net/1/101/2004/bg-1-101-2004.pdf
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author T. J. Lueker
author_facet T. J. Lueker
author_sort T. J. Lueker
collection DOAJ
description Continuous atmospheric records of O<sub>2</sub>/N<sub>2</sub>, CO<sub>2</sub> and N<sub>2</sub>O obtained at Trinidad, California document the effects of air-sea exchange during coastal upwelling and plankton bloom events. The atmospheric records provide continuous observations of air-sea fluxes related to synoptic scale upwelling events over several upwelling seasons. Combined with satellite, buoy and local meteorology data, calculated anomalies in O<sub>2</sub>/N<sub>2</sub> and N<sub>2</sub>O were utilized in a simple atmospheric transport model to compute air-sea fluxes during coastal upwelling. CO<sub>2</sub> fluxes were linked to the oceanic component of the O<sub>2</sub> fluxes through local hydrographic data and estimated as a function of upwelling intensity (surface ocean temperature and wind speed). Regional air-sea fluxes of O<sub>2</sub>/N<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> during coastal upwelling were estimated with the aid of satellite wind and SST data. Upwelling CO<sub>2</sub> fluxes were found to represent ~10% of export production along the northwest coast of North America. Synoptic scale upwelling events impact the net exchange of atmospheric CO<sub>2</sub> along the coastal margin, and will vary in response to the frequency and duration of alongshore winds that are subject to climate change.
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spelling doaj.art-2057f5db56ca4744896604750b661f392022-12-22T01:37:13ZengCopernicus PublicationsBiogeosciences1726-41701726-41892004-01-0111101111Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, CaliforniaT. J. LuekerContinuous atmospheric records of O<sub>2</sub>/N<sub>2</sub>, CO<sub>2</sub> and N<sub>2</sub>O obtained at Trinidad, California document the effects of air-sea exchange during coastal upwelling and plankton bloom events. The atmospheric records provide continuous observations of air-sea fluxes related to synoptic scale upwelling events over several upwelling seasons. Combined with satellite, buoy and local meteorology data, calculated anomalies in O<sub>2</sub>/N<sub>2</sub> and N<sub>2</sub>O were utilized in a simple atmospheric transport model to compute air-sea fluxes during coastal upwelling. CO<sub>2</sub> fluxes were linked to the oceanic component of the O<sub>2</sub> fluxes through local hydrographic data and estimated as a function of upwelling intensity (surface ocean temperature and wind speed). Regional air-sea fluxes of O<sub>2</sub>/N<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> during coastal upwelling were estimated with the aid of satellite wind and SST data. Upwelling CO<sub>2</sub> fluxes were found to represent ~10% of export production along the northwest coast of North America. Synoptic scale upwelling events impact the net exchange of atmospheric CO<sub>2</sub> along the coastal margin, and will vary in response to the frequency and duration of alongshore winds that are subject to climate change.http://www.biogeosciences.net/1/101/2004/bg-1-101-2004.pdf
spellingShingle T. J. Lueker
Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California
Biogeosciences
title Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California
title_full Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California
title_fullStr Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California
title_full_unstemmed Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California
title_short Coastal upwelling fluxes of O<sub>2</sub>, N<sub>2</sub>O, and CO<sub>2</sub> assessed from continuous atmospheric observations at Trinidad, California
title_sort coastal upwelling fluxes of o sub 2 sub n sub 2 sub o and co sub 2 sub assessed from continuous atmospheric observations at trinidad california
url http://www.biogeosciences.net/1/101/2004/bg-1-101-2004.pdf
work_keys_str_mv AT tjlueker coastalupwellingfluxesofosub2subnsub2suboandcosub2subassessedfromcontinuousatmosphericobservationsattrinidadcalifornia