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Heterogeneity of Impacts of High Co2 on the North Western European Shelf : Volume 10, Issue 6 (12/06/2013)

By Artioli, Y.

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Book Id: WPLBN0004004571
Format Type: PDF Article :
File Size: Pages 25
Reproduction Date: 2015

Title: Heterogeneity of Impacts of High Co2 on the North Western European Shelf : Volume 10, Issue 6 (12/06/2013)  
Author: Artioli, Y.
Volume: Vol. 10, Issue 6
Language: English
Subject: Science, Biogeosciences, Discussions
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Nondal, G., J. Bellerb, R. G., Blackford, J. C., Holt, J., Wakelin, S. L., Butenschön, M.,...Allen, J. I. (2013). Heterogeneity of Impacts of High Co2 on the North Western European Shelf : Volume 10, Issue 6 (12/06/2013). Retrieved from http://www.ebooklibrary.org/


Description
Description: Plymouth Marine Laboratory, Plymouth, UK. The increase in atmospheric CO2 is a dual threat to the marine environment: from one side it drives climate change leading to changes in water temperature, circulation patterns and stratification intensity; on the other side it causes a decrease in pH (Ocean Acidification or OA) due to the increase in dissolved CO2. Assessing the combined impact of climate change and OA on marine ecosystems is a challenging task: the response of the ecosystem to a single driver is highly variable and still uncertain, as well as the interaction between these that could be either synergistic or antagonistic. In this work we use the coupled oceanographic-ecosystem model POLCOMS-ERSEM driven by climate forcing to study the interaction between climate change and OA. We focus in particular on primary production and nitrogen speciation. The model has been run in three different configurations in order to separate the impacts of ocean acidification from those due to climate change. The model shows significant interaction among the drivers and high variability in the spatial response of the ecosystem. Impacts of climate change and of OA on primary production have similar magnitude, compensating in some area and exacerbating in others. On the contrary, the direct impact of OA on nitrification is much lower than the one imposed by climate change.

Summary
Heterogeneity of impacts of high CO2 on the North Western European Shelf

Excerpt
Allen,~I. and Polimene,~L.: Linking physiology to ecology: towards a~new generation of plankton models, J Plankton Res., 33, 989–997, 2011.; Allen,~J I. and Somerfield,~P J.: A~multivariate approach to model skill assessment, J Marine Syst., 76, 83–94, 2009.; Allen,~J I., Holt,~J T., Blackford,~J., and Proctor,~R.: Error quantification of a~high-resolution coupled hydrodynamic-ecosystem coastal-ocean model: Part 2. Chlorophyll-a, nutrients and SPM, J Marine Syst., 68, 381–404, 2007.; Artioli,~Y., Blackford,~J C., Butenschön,~M., Holt,~J., Wakelin,~S L., Thomas,~H., Borges,~A V., and Allen,~J I.: The carbonate system in the North Sea: sensitivity and model validation, J Marine Syst., 102–104, 1–13, 2012.; Blackford,~J C. and Gilbert,~F J.: pH variability and CO2 induced acidification in the North Sea, J Marine Syst., 64, 229–241, 2007.; Beaugrand,~G., Reid,~P C., Ibañez,~F., Lindley,~J A., and Edwards,~M.: Reorganization of North Atlantic marine copepod biodiversity and climate, Science, 296, 1692–1694, 2002. %%%%%; Bellerby,~R G J., Schulz,~K G., Riebesell,~U., Neill,~C., Nondal,~G., Heegaard,~E., Johannessen,~T., and Brown,~K R.: Marine ecosystem community carbon and nutrient uptake stoichiometry under varying ocean acidification during the PeECE III experiment, Biogeosciences, 5, 1517–1527, \doi10.5194/bg-5-1517-2008, 2008. % ### SELF-REFERENCE ###; Beman,~J M., Chow,~C.-E., King,~A L., Feng,~Y., Fuhrman,~J A., Andersson,~A., Bates,~N R., Popp,~B N., and Hutchins,~D A.: Global declines in oceanic nitrification rates as a~consequence of ocean acidification, P Natl. Acad. Sci. USA, 108, 208–213, 2011.; Blackford,~J C., Allen,~J I., and Gilbert,~F J.: Ecosystem dynamics at six contrasting sites: a~generic modelling study, J Marine Syst., 52, 191–215, 2004.; Borges,~A V. and Gypens,~N.: Carbonate chemistry in the coastal zone responds more strongly to eutrophication than ocean acidification, Limnol. Oceanogr., 55, 346–353, 2010.; Caldeira,~K. and Wickett,~M E.: Anthropogenic carbon and ocean pH, Nature, 425, 365–365, 2003.; Diaz,~R J. and Rosenberg,~R.: Spreading dead zones and consequences for marine ecosystems, Science, 321, 926–929, 2008.; Doney,~S C., Fabry,~V J., Feely,~R A., and Kleypas,~J A.: Ocean acidification: the other CO2 problem, Ann. Rev. Mar. Sci., 1, 169–192, 2009.; Dupont,~S., Ortega-Martínez,~O., and Thorndyke,~M.: Impact of near-future ocean acidification on echinoderms, Ecotoxicology, 19, 449–462, 2010. %%%%%; Egge,~J K., Thingstad,~T F., Larsen,~A., Engel,~A., Wohlers,~J., Bellerby,~R G J., and Riebesell,~U.: Primary production during nutrient-induced blooms at elevated CO2 concentrations, Biogeosciences, 6, 877–885, \doi10.5194/bg-6-877-2009, 2009. % ### SELF-REFERENCE ###; Gattuso,~J P., Bijma,~J., Gehlen,~M., Riebesell,~U., and Turley,~C.: Ocean acidification: knowns, unkowns and perspectives, in: Ocean Acidification, edited by: Gattuso,~J P. and Hansson,~L., Oxford University Press, Oxford, 291–313, 2011.; Gehlen,~M., Gruber,~N., Gangstø,~R., Bopp,~L., and Oschlies,~A.: Biogeochemical consequences of ocean acidification and feedbacks to the earth system, in: Ocean Acidification, edited by: Gattuso,~J P. and Hansson,~L., Oxford University Press, Oxford, 2011. %%%%%; Gobler,~C J. and Talmage,~S C.: Short- and long-term consequences of larval stage exposure to constantly and ephemerally elevated carbon dioxide for marine bivalve populations, Biogeosciences, 10, 2241–2253, \doi10.5194/bg-10-2241-2013, 2013. % ### SELF-REFERENCE ###; Hendriks,~I E., Duarte,~C M., and Álvarez,~M.: Vulnerability of marine biodiversity to ocean acidification: a~meta-analysis, Estuar. Coast. Shelf~S., 86, 157–164, 2009.; Hoegh-Guldberg,~O. and Bruno,~J F.: The impact of climate change on the world's marine ecosystems, Science, 328, 1523–1528, 2010.; Hofmann,~G E., Smith,~J E., Johnson,~K S., Send,~U., Levin,~L A., Micheli,~F., Paytan,~A., Price,~N N., Peterson

 

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