MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies
MEDUSA-1.0 ( M odel of E cosystem D ynamics, nutrient U tilisation, S equestration and A cidification) was developed as an "intermediate complexity" plankton ecosystem model to study the biogeochemical response, and especially that of the so-called "biological pump", to anthropog...
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ftdoajarticles:oai:doaj.org/article:3dc4c620738943e4aa0bd8f81b13e1db 2023-05-15T17:50:50+02:00 MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies A. Yool E. E. Popova T. R. Anderson 2013-10-01T00:00:00Z https://doi.org/10.5194/gmd-6-1767-2013 https://doaj.org/article/3dc4c620738943e4aa0bd8f81b13e1db EN eng Copernicus Publications http://www.geosci-model-dev.net/6/1767/2013/gmd-6-1767-2013.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-6-1767-2013 1991-959X 1991-9603 https://doaj.org/article/3dc4c620738943e4aa0bd8f81b13e1db Geoscientific Model Development, Vol 6, Iss 5, Pp 1767-1811 (2013) Geology QE1-996.5 article 2013 ftdoajarticles https://doi.org/10.5194/gmd-6-1767-2013 2022-12-31T12:32:06Z MEDUSA-1.0 ( M odel of E cosystem D ynamics, nutrient U tilisation, S equestration and A cidification) was developed as an "intermediate complexity" plankton ecosystem model to study the biogeochemical response, and especially that of the so-called "biological pump", to anthropogenically driven change in the World Ocean (Yool et al., 2011). The base currency in this model was nitrogen from which fluxes of organic carbon, including export to the deep ocean, were calculated by invoking fixed C:N ratios in phytoplankton, zooplankton and detritus. However, due to anthropogenic activity, the atmospheric concentration of carbon dioxide (CO 2 ) has significantly increased above its natural, inter-glacial background. As such, simulating and predicting the carbon cycle in the ocean in its entirety, including ventilation of CO 2 with the atmosphere and the resulting impact of ocean acidification on marine ecosystems, requires that both organic and inorganic carbon be afforded a more complete representation in the model specification. Here, we introduce MEDUSA-2.0, an expanded successor model which includes additional state variables for dissolved inorganic carbon, alkalinity, dissolved oxygen and detritus carbon (permitting variable C:N in exported organic matter), as well as a simple benthic formulation and extended parameterizations of phytoplankton growth, calcification and detritus remineralisation. A full description of MEDUSA-2.0, including its additional functionality, is provided and a multi-decadal spin-up simulation (1860–2005) is performed. The biogeochemical performance of the model is evaluated using a diverse range of observational data, and MEDUSA-2.0 is assessed relative to comparable models using output from the Coupled Model Intercomparison Project (CMIP5). Article in Journal/Newspaper Ocean acidification Directory of Open Access Journals: DOAJ Articles Medusa ENVELOPE(157.417,157.417,-79.633,-79.633) Geoscientific Model Development 6 5 1767 1811 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 |
spellingShingle |
Geology QE1-996.5 A. Yool E. E. Popova T. R. Anderson MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
topic_facet |
Geology QE1-996.5 |
description |
MEDUSA-1.0 ( M odel of E cosystem D ynamics, nutrient U tilisation, S equestration and A cidification) was developed as an "intermediate complexity" plankton ecosystem model to study the biogeochemical response, and especially that of the so-called "biological pump", to anthropogenically driven change in the World Ocean (Yool et al., 2011). The base currency in this model was nitrogen from which fluxes of organic carbon, including export to the deep ocean, were calculated by invoking fixed C:N ratios in phytoplankton, zooplankton and detritus. However, due to anthropogenic activity, the atmospheric concentration of carbon dioxide (CO 2 ) has significantly increased above its natural, inter-glacial background. As such, simulating and predicting the carbon cycle in the ocean in its entirety, including ventilation of CO 2 with the atmosphere and the resulting impact of ocean acidification on marine ecosystems, requires that both organic and inorganic carbon be afforded a more complete representation in the model specification. Here, we introduce MEDUSA-2.0, an expanded successor model which includes additional state variables for dissolved inorganic carbon, alkalinity, dissolved oxygen and detritus carbon (permitting variable C:N in exported organic matter), as well as a simple benthic formulation and extended parameterizations of phytoplankton growth, calcification and detritus remineralisation. A full description of MEDUSA-2.0, including its additional functionality, is provided and a multi-decadal spin-up simulation (1860–2005) is performed. The biogeochemical performance of the model is evaluated using a diverse range of observational data, and MEDUSA-2.0 is assessed relative to comparable models using output from the Coupled Model Intercomparison Project (CMIP5). |
format |
Article in Journal/Newspaper |
author |
A. Yool E. E. Popova T. R. Anderson |
author_facet |
A. Yool E. E. Popova T. R. Anderson |
author_sort |
A. Yool |
title |
MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
title_short |
MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
title_full |
MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
title_fullStr |
MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
title_full_unstemmed |
MEDUSA-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
title_sort |
medusa-2.0: an intermediate complexity biogeochemical model of the marine carbon cycle for climate change and ocean acidification studies |
publisher |
Copernicus Publications |
publishDate |
2013 |
url |
https://doi.org/10.5194/gmd-6-1767-2013 https://doaj.org/article/3dc4c620738943e4aa0bd8f81b13e1db |
long_lat |
ENVELOPE(157.417,157.417,-79.633,-79.633) |
geographic |
Medusa |
geographic_facet |
Medusa |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Geoscientific Model Development, Vol 6, Iss 5, Pp 1767-1811 (2013) |
op_relation |
http://www.geosci-model-dev.net/6/1767/2013/gmd-6-1767-2013.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-6-1767-2013 1991-959X 1991-9603 https://doaj.org/article/3dc4c620738943e4aa0bd8f81b13e1db |
op_doi |
https://doi.org/10.5194/gmd-6-1767-2013 |
container_title |
Geoscientific Model Development |
container_volume |
6 |
container_issue |
5 |
container_start_page |
1767 |
op_container_end_page |
1811 |
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1766157744164831232 |