{"id":859,"date":"2019-12-02T23:05:17","date_gmt":"2019-12-02T12:05:17","guid":{"rendered":"http:\/\/cosima.org.au\/?page_id=859"},"modified":"2021-03-23T10:53:44","modified_gmt":"2021-03-22T23:53:44","slug":"bgc","status":"publish","type":"page","link":"https:\/\/cosima.org.au\/index.php\/working-groups\/bgc\/","title":{"rendered":"Biogeochemistry (BGC)"},"content":{"rendered":"<p>This page provides information on biogeochemistry (BGC) modelling\u00a0effort at COSIMA.<\/p>\n<h1>List of model experiments that include BGC<\/h1>\n<ul>\n<li>OFAM3\n<ul>\n<li>ofam3-his JRA55 1979-2014<\/li>\n<li>ofam3-pro<\/li>\n<li>ofam3-con 1979<\/li>\n<li>ofam3-spi 1979 x 20 years<\/li>\n<\/ul>\n<\/li>\n<li>OMIP using ACCESS-OM2 (1 degree)\n<ul>\n<li>omip2 r1i1p1f1 (default)\n<ul>\n<li>initial alk, adic, dic fields multiplied by 1.025 kg m-3 for unit conversion<\/li>\n<li>initial T fields are\u00a0potential temperature.<\/li>\n<li>new bathymetry.<\/li>\n<li>Raw output available on Gadi (you need to be a member of v45): \/scratch\/v45\/hh0162\/access-om2\/control\/1deg_jra55_iaf_omip2-fixed\/archive\/ (output000-365)<\/li>\n<li>Output put to be post-processed for submission to the CMIP6-OMIP archive.<\/li>\n<\/ul>\n<\/li>\n<li>omip2spunup r1i2p2f1\n<ul>\n<li>Initial conditions and bathymetry are different from r1i1p1f1\n<ul>\n<li>initial alk, adic, dic fields multiplied by 1.024 kg m-3 for unit conversion<\/li>\n<li>initial BGC fields contain zero values in some ocean grid cells.<\/li>\n<li>initial T fields are conservative temperature.<\/li>\n<li>old bathymetry (as in Kiss et al., 2020).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>omip2spunup was initialised from a 2013-year spun-up state.<\/li>\n<li>2013 years = 6 cycles of JRA55-do v1.4.0 (i.e. omip2 r1i2p2f1) + 27 additional cycles.<\/li>\n<li>Raw output available on Gadi (you need to be a member of v45): \/scratch\/v45\/hh0162\/access-om2\/control\/1deg_jra55_iaf_omip2\/archive\/ (output2013-2378)<\/li>\n<li>Output put to be post-processed for submission to the CMIP6-OMIP archive.<\/li>\n<\/ul>\n<\/li>\n<li>IAMIP2 using ACCESS-OM2\n<ul>\n<li>Historical based on JRA55-do v1.4.0: 1958-2018<\/li>\n<li>Projection based on CMIP6-SSP585: 2015-2100<\/li>\n<li>Exclusion: 2015-2100 (simulation without sea-ice BGC)<\/li>\n<li>Control based on RYF of JRA55-do v1.4.0: 1958-2100<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div>\n<h1>List of BGC projects<\/h1>\n<\/div>\n<table>\n<colgroup>\n<col \/>\n<col \/>\n<col \/>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td class=\"\">\n<div>Project title<\/div>\n<\/td>\n<td class=\"\">\n<div>Model<\/div>\n<\/td>\n<td class=\"\">\n<div>Experiment<\/div>\n<\/td>\n<td class=\"\">\n<div>Need<\/div>\n<\/td>\n<td class=\"\">Contact\/Reference<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Marine heatwave impacts on BGC<\/div>\n<\/td>\n<td class=\"\">\n<div>OFAM3<\/div>\n<\/td>\n<td class=\"\">\u00a0ofam3-his\/pro\/con<\/td>\n<td class=\"\">\n<div>Surface, daily, near-global<\/div>\n<\/td>\n<td class=\"\">\n<div>Hayashida et al. (2020)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Eddy impacts on nutrients in the Southern Ocean<\/div>\n<\/td>\n<td class=\"\">\n<div>OFAM3<\/div>\n<\/td>\n<td class=\"\"><\/td>\n<td class=\"\">\n<div>Whole depth, daily<\/div>\n<\/td>\n<td class=\"\">\n<div>Ram Patel<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Global\u00a0carbon and heat budget<\/div>\n<\/td>\n<td class=\"\">\n<div>OFAM3<\/div>\n<\/td>\n<td class=\"\">\u00a0ofam3<\/td>\n<td class=\"\"><\/td>\n<td class=\"\">\n<div>Eric Mortenson<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Global ocean acidification<\/div>\n<\/td>\n<td class=\"\">\n<div>OFAM3<\/div>\n<\/td>\n<td class=\"\"><\/td>\n<td class=\"\"><\/td>\n<td class=\"\">\n<div>Paula Conde Pardo<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Ocean Model Intercomparison Project-BGC (OMIP-BGC)<\/div>\n<\/td>\n<td class=\"\">\n<div>ACCESS-OM2<\/div>\n<\/td>\n<td class=\"\">\n<div>omip2<\/div>\n<\/td>\n<td class=\"\">\n<div>Follow the OMIP protocol<\/div>\n<\/td>\n<td class=\"\">\n<div>Hakase Hayashida<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Ice Algae Model Intercomparison Project phase 2 (IAMIP2)<\/div>\n<\/td>\n<td class=\"\">\n<div>ACCESS-OM2<\/div>\n<\/td>\n<td class=\"\">\n<div>iamip2-his, iamip2-pro, iamip2-exc, iamip2-con<\/div>\n<\/td>\n<td class=\"\">\n<div>Follow the IAMIP2 protocol<\/div>\n<\/td>\n<td class=\"\">\n<div>Hayashida et al. (submitted)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Community Production in eddies in the Southern Ocean<\/div>\n<\/td>\n<td class=\"\">\n<div>ACCESS-OM2<\/div>\n<\/td>\n<td class=\"\"><\/td>\n<td class=\"\">\n<div>daily, upper 375m, 1999-present<\/div>\n<\/td>\n<td class=\"\">\n<div>Jiaoyang Su<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Climate change impacts on the bloom initiation in the Southern Ocean<\/div>\n<\/td>\n<td class=\"\">\n<div>CanNEMO?<\/div>\n<\/td>\n<td class=\"\">\n<div>iamip2-pro<\/div>\n<\/td>\n<td class=\"\">\n<div>daily<\/div>\n<\/td>\n<td class=\"\">\n<div>Clara R. Vives<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>\n<div>Understanding the impacts of fine-scale sea ice and ocean dynamics on Southern Ocean ecosystems<\/div>\n<\/div>\n<\/td>\n<td class=\"\">\n<div>ACCESS-OM2<\/div>\n<\/td>\n<td class=\"\">\n<div>iamip2-his-0p1 and iamip2-pro-0p1<\/div>\n<\/td>\n<td class=\"\">\n<div>daily<\/div>\n<\/td>\n<td class=\"\">Denisse Fierro Arcos<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\n<div>Linking the iron and carbonate systems in ice-free and ice-covered Southern Ocean environments<\/div>\n<\/td>\n<td class=\"\">\n<div>NEMO?<\/div>\n<\/td>\n<td class=\"\"><\/td>\n<td class=\"\"><\/td>\n<td class=\"\">\n<div>PhD project (primary supervisor: Delphine Lannuzel)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"\">\u00a0Projected changes of iron pathways in the tropical Pacific<\/td>\n<td class=\"\">\u00a0OFAM3, ACCESS-OM2<\/td>\n<td class=\"\">ofam3-pro, iamip2-pro-01<\/td>\n<td class=\"\">daily, upper 1000 m, fe, u, v, w, o2<\/td>\n<td class=\"\">\u00a0Annette Stellema<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1>WOMBAT<\/h1>\n<p>WOMBAT is the default BGC model for ACCESS-OM2. WOMBAT consists of 10 state variables: adic, dic, alk, o2, no3, fe, phy, zoo, det, caco3.<\/p>\n<p>&nbsp;<\/p>\n<p>WOMBAT diagnostics are as follows:<\/p>\n<ul>\n<li>adic, anthropogenic+pre-industrial DIC*, mmol m-3<\/li>\n<li>dic, pre-industrial DIC*, mmol m-3<\/li>\n<li>alk, total alkalinity, mmol m-3<\/li>\n<li>o2, dissolved oxygen, mmol m-3<\/li>\n<li>no3, nitrate, mmol m-3<\/li>\n<li>fe, dissolved iron, umol m-3<\/li>\n<li>phy, phytoplankton biomass, mmol N m-3<\/li>\n<li>zoo, zooplankton biomass, mml N m-3<\/li>\n<li>det, detritus, mmol N m-3<\/li>\n<li>caco3, calcium carbonate, mmol m-3<\/li>\n<li>stf09, anthropogenic+pre-industrial DIC flux into ocean, mmol m-2 s-1<\/li>\n<li>stf07, pre-industrial DIC flux into ocean, mmol m-2 s-1<\/li>\n<li>stf03, dissolved oxygen flux into ocean, mmol m-2 s-1<\/li>\n<li>paco2, anthropogenic+pre-industrial pCO2<\/li>\n<li>pco2, pre-industrial pCO2<\/li>\n<li>pprod_gross_2d, vertically integrated gross primary production, mmol N m-2 s-1<\/li>\n<li>npp1, net primary productivity in the first ocean layer, mmol N m-2 s-1<\/li>\n<li>npp2d, vertically integrated net primary productivity, mmol N m-2 s-1<\/li>\n<li>npp3d, net primary productivity, mmol N m-3 s-1<\/li>\n<li>radbio1, photosynthetically active radiation in the first ocean layer, W m-2<\/li>\n<li>radbio3d, photosynthetically active radiation, W m-2<\/li>\n<li>surface_, prognostic tracer concentration in the surface layer, (e.g. surface_phy).<\/li>\n<\/ul>\n<p>*The only difference between adic and dic is that air-sea CO2 flux is calculated using\u00a0the\u00a0actual atmospheric CO2 in the former after Year 1850, whereas the latter is\u00a0fixed to a pre-industrial atmospheric CO2. So taking the difference between adic and dic gives the anthropogenic CO2 absorbed by the model ocean.<\/p>\n<h1>Contact<\/h1>\n<p>If you are interested in our model products, please contact:<\/p>\n<ul>\n<li>Xuebin Zhang or Richard Matear for OFAM3<\/li>\n<li>Hakase Hayashida or Richard Matear for ACCESS-OM2<\/li>\n<li>Reference<\/li>\n<\/ul>\n<h1>References<\/h1>\n<ul>\n<li>Hayashida, H., Matear, R. J., &amp; Strutton, P. G. (2020): Background nutrient concentration determines phytoplankton bloom response to marine heatwaves, Global Change Biology.<\/li>\n<li>Hayashida, H., Jin, M., Steiner, N. S., Swart, N. C., Watanabe, E., Fiedler, R., Hogg, A. McC., Kiss, A. E., Matear, R. J., and Strutton, P. G.: Ice Algae Model Intercomparison Project phase 2 (IAMIP2), Geosci. Model Dev. Discuss. [preprint], https:\/\/doi.org\/10.5194\/gmd-2020-305, in review, 2020.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>This page provides information on biogeochemistry (BGC) modelling\u00a0effort at COSIMA. List of model experiments that include BGC OFAM3 ofam3-his JRA55 1979-2014 ofam3-pro ofam3-con 1979 ofam3-spi 1979 x 20 years OMIP using ACCESS-OM2 (1 degree) omip2 r1i1p1f1 (default) initial alk, adic, dic fields multiplied by 1.025 kg m-3 for unit conversion initial T fields are\u00a0potential temperature.&hellip;<\/p>\n","protected":false},"author":7644,"featured_media":0,"parent":41,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/859"}],"collection":[{"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/users\/7644"}],"replies":[{"embeddable":true,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/comments?post=859"}],"version-history":[{"count":15,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/859\/revisions"}],"predecessor-version":[{"id":1193,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/859\/revisions\/1193"}],"up":[{"embeddable":true,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/41"}],"wp:attachment":[{"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/media?parent=859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}