Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean
1st Iberian Ecological Society Meeting (2019); XIV Congreso Nacional de la Asociación Española de Ecología Terrestre (AEET), Ecology: an integrative science in the Anthropocene, 4-7 February 2019, Barcelona, Spain The the strength and direction of the aerosol-induced radiative climate forcing in the...
Main Authors: | , , , , , , |
---|---|
Format: | Still Image |
Language: | unknown |
Published: |
Sociedad Ibérica de Ecología
2019
|
Subjects: | |
Online Access: | http://hdl.handle.net/10261/192302 |
id |
ftcsic:oai:digital.csic.es:10261/192302 |
---|---|
record_format |
openpolar |
spelling |
ftcsic:oai:digital.csic.es:10261/192302 2024-02-11T10:08:37+01:00 Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean Rodríguez-Ros, P. Nissen, Cara Cortes, Pau Gruber, Nicolas Simó, Rafel Vallina, Sergio M. Vogt, Meike 2019-02-06 http://hdl.handle.net/10261/192302 unknown Sociedad Ibérica de Ecología Sí 1st Iberian Ecological Society Meeting (2019) XIV Congreso Nacional de la Asociación Española de Ecología Terrestre (2019) http://hdl.handle.net/10261/192302 none póster de congreso http://purl.org/coar/resource_type/c_6670 2019 ftcsic 2024-01-16T10:44:27Z 1st Iberian Ecological Society Meeting (2019); XIV Congreso Nacional de la Asociación Española de Ecología Terrestre (AEET), Ecology: an integrative science in the Anthropocene, 4-7 February 2019, Barcelona, Spain The the strength and direction of the aerosol-induced radiative climate forcing in the atmosphere is one of the biggest uncertainty sources in global warming projections. In the pristine polar marine atmosphere of the Southern Ocean (SO), where cloud formation processes are strongly influenced by aerosol emissions, an important part of particle formation occurs due to the oxidation of biogenic trace gases emitted by the sea. Isoprene (C5H8) is a is a volatile organic compound (VOC) produced eminently by phytoplankton species in the oceans and is a precursor of secondary organic aerosol (SOA). In this work, for the first time, we implemented the isoprene production rates of diatoms, coccolithophores and other phytoplankton species into a high-resolution SO set-up of the regional mechanistic marine ecosystem model ROMS-BEC. We calculated the annual integrated SO production and emission rates and found that the contribution of the SO phytoplankton to the global oceanic emission of isoprene is 0.332 (± 0.049) Gt C year-1, which equals, even surpass, some global oceanic estimates. We also found that isoprene emissions co-vary with the SO net primary production, and that diatoms are the main isoprene producers. Finally, in order to validate the model results, we used sea surface concentration data of isoprene, and associated environmental and ecosystem variables, recompiled from three different research cruises in the SO: “TransPEGASO” (South Atlantic Ocean), “PEGASO” (Weddell Sea, Oarkney Islands & South Georgia Islands) and “ACE Expedition” (complete circumnavigation of the SO) Peer Reviewed Still Image South Atlantic Ocean Southern Ocean Weddell Sea Digital.CSIC (Spanish National Research Council) Española ENVELOPE(-60.383,-60.383,-62.660,-62.660) Southern Ocean Weddell Weddell Sea |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
description |
1st Iberian Ecological Society Meeting (2019); XIV Congreso Nacional de la Asociación Española de Ecología Terrestre (AEET), Ecology: an integrative science in the Anthropocene, 4-7 February 2019, Barcelona, Spain The the strength and direction of the aerosol-induced radiative climate forcing in the atmosphere is one of the biggest uncertainty sources in global warming projections. In the pristine polar marine atmosphere of the Southern Ocean (SO), where cloud formation processes are strongly influenced by aerosol emissions, an important part of particle formation occurs due to the oxidation of biogenic trace gases emitted by the sea. Isoprene (C5H8) is a is a volatile organic compound (VOC) produced eminently by phytoplankton species in the oceans and is a precursor of secondary organic aerosol (SOA). In this work, for the first time, we implemented the isoprene production rates of diatoms, coccolithophores and other phytoplankton species into a high-resolution SO set-up of the regional mechanistic marine ecosystem model ROMS-BEC. We calculated the annual integrated SO production and emission rates and found that the contribution of the SO phytoplankton to the global oceanic emission of isoprene is 0.332 (± 0.049) Gt C year-1, which equals, even surpass, some global oceanic estimates. We also found that isoprene emissions co-vary with the SO net primary production, and that diatoms are the main isoprene producers. Finally, in order to validate the model results, we used sea surface concentration data of isoprene, and associated environmental and ecosystem variables, recompiled from three different research cruises in the SO: “TransPEGASO” (South Atlantic Ocean), “PEGASO” (Weddell Sea, Oarkney Islands & South Georgia Islands) and “ACE Expedition” (complete circumnavigation of the SO) Peer Reviewed |
format |
Still Image |
author |
Rodríguez-Ros, P. Nissen, Cara Cortes, Pau Gruber, Nicolas Simó, Rafel Vallina, Sergio M. Vogt, Meike |
spellingShingle |
Rodríguez-Ros, P. Nissen, Cara Cortes, Pau Gruber, Nicolas Simó, Rafel Vallina, Sergio M. Vogt, Meike Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean |
author_facet |
Rodríguez-Ros, P. Nissen, Cara Cortes, Pau Gruber, Nicolas Simó, Rafel Vallina, Sergio M. Vogt, Meike |
author_sort |
Rodríguez-Ros, P. |
title |
Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean |
title_short |
Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean |
title_full |
Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean |
title_fullStr |
Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean |
title_full_unstemmed |
Ecological modeling of marine biogenic isoprene (C5H8) emissions in the Southern Ocean |
title_sort |
ecological modeling of marine biogenic isoprene (c5h8) emissions in the southern ocean |
publisher |
Sociedad Ibérica de Ecología |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/192302 |
long_lat |
ENVELOPE(-60.383,-60.383,-62.660,-62.660) |
geographic |
Española Southern Ocean Weddell Weddell Sea |
geographic_facet |
Española Southern Ocean Weddell Weddell Sea |
genre |
South Atlantic Ocean Southern Ocean Weddell Sea |
genre_facet |
South Atlantic Ocean Southern Ocean Weddell Sea |
op_relation |
Sí 1st Iberian Ecological Society Meeting (2019) XIV Congreso Nacional de la Asociación Española de Ecología Terrestre (2019) http://hdl.handle.net/10261/192302 |
op_rights |
none |
_version_ |
1790608058116734976 |