{"id":1122,"date":"2020-08-13T10:09:35","date_gmt":"2020-08-13T00:09:35","guid":{"rendered":"http:\/\/cosima.org.au\/?page_id=1122"},"modified":"2023-10-06T12:08:45","modified_gmt":"2023-10-06T01:08:45","slug":"iamip2","status":"publish","type":"page","link":"https:\/\/cosima.org.au\/index.php\/working-groups\/iamip2\/","title":{"rendered":"Ice Algae Model Intercomparison Project phase 2 (IAMIP2)"},"content":{"rendered":"<h1>Introduction<\/h1>\n<p>This website provides the information regarding the input and output data of IAMIP2. For a full description, please refer to the protocol paper (Hayashida et al., 2021). For questions, email Hakase Hayashida (JAMSTEC\/UTAS).<\/p>\n<p>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., 14, 6847\u20136861, https:\/\/doi.org\/10.5194\/gmd-14-6847-2021, 2021.<\/p>\n<p>The IAMIP2 modellers and collaborators meet online once a month to discuss the progress and plans. If you are interested in joining our meetings, please contact Hakase Hayashida.<\/p>\n<h1>Input data for conducting IAMIP2 experiments<\/h1>\n<h2>Historical (1958-2018)<\/h2>\n<p>The historical experiment is done by prescribing the following initial and boundary conditions. Click on the links below to download the data.<\/p>\n<ul>\n<li>Initial conditions\n<ul>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/woa13_temperature_OMIPinit.nc\">Temperature<\/a><\/li>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/woa13_salinity_OMIPinit.nc\">Salinity<\/a><\/li>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/woa13_oxygen_OMIPinit.nc\">Oxygen<\/a><\/li>\n<li><a href=\"https:\/\/www.nodc.noaa.gov\/archive\/arc0107\/0162565\/1.1\/data\/0-data\/mapped\/GLODAPv2.2016b_MappedClimatologies.tar.gz\">Dissolved inorganic carbon<\/a><\/li>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/glodapv2_At_OMIPinit.nc\">Total alkalinity<\/a><\/li>\n<li>Nutrients\n<ul>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/woa13_phosphate_OMIPinit.nc\">Phosphate<\/a><\/li>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/woa13_silicate_OMIPinit.nc\">Silicate<\/a><\/li>\n<li><a href=\"https:\/\/vesg.ipsl.upmc.fr\/thredds\/fileServer\/IPSLFS\/jomce\/OMIP\/initconds\/woa13_nitrate_OMIPinit.nc\">Nitrate<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Boundary conditions\n<ul>\n<li>Atmospheric forcing (JRA55-do)\n<ul>\n<li>Go to\u00a0<a href=\"https:\/\/esgf-node.llnl.gov\/search\/input4mips\/\">https:\/\/esgf-node.llnl.gov\/search\/input4mips\/<\/a><\/li>\n<li>On the left tab, select &#8220;OMIP&#8221; under &#8220;Target MIP&#8221;<\/li>\n<li>Hit &#8220;Search&#8221;<\/li>\n<li>On the left tab, select &#8220;tas, huss, uas, vas, psl, rsds, rlds, prra, prsn, friver, licalvf&#8221; under &#8220;Variable&#8221;<\/li>\n<li>Hit &#8220;Search&#8221;<\/li>\n<li>There should be 11 results. Download the data either individually (select &#8220;List files&#8221;) or in bulk (select &#8220;WGET Script&#8221;).<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"http:\/\/greenhousegases.science.unimelb.edu.au\/data\/historical\/CMIP6GHGConcentrationHistorical_1_2_0\/mole-fraction-of-carbon-dioxide-in-air_input4MIPs_GHGConcentrations_CMIP_UoM-CMIP-1-2-0_gr1-GMNHSH_000001-201412.csv\">Atmospheric CO2<\/a>\u00a0(global monthly mean under CMIP6-historical)\n<ul>\n<li>Note the above link provides data until 2014. From 2015 to 2018, no specific protocol is given, but you may prescribe the NOAA GML data (<a href=\"https:\/\/gml.noaa.gov\/ccgg\/trends\/data.html\">https:\/\/gml.noaa.gov\/ccgg\/trends\/data.html<\/a>)\u00a0<span style=\"text-decoration: line-through;\">prescribe the data for CMIP6-SSP585 (the link below under &#8220;Projection (2015-2100)&#8221;.)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Projections (2015-2100)<\/h2>\n<p>There are four projections driven by the atmospheric outputs of two CMIP6 models (CMCC-ESM2, EC-Earth3) under two SSP scenarios (ssp126 and ssp585). These datasets are interpolated onto the JRA55-do grid and are available from the NCI Data Collection:<\/p>\n<ul>\n<li>EC-Earth3 ssp585:\u00a0<a href=\"https:\/\/researchdata.edu.au\/ec-earth3-ssp585-experiment-v10\/1696905\">https:\/\/researchdata.edu.au\/ec-earth3-ssp585-experiment-v10\/1696905<\/a><\/li>\n<li>EC-Earth3 ssp126, CMCC-ESM2 ssp126, CMCC-ESM2 ssp585:\u00a0<a href=\"https:\/\/researchdata.edu.au\/atmospheric-forcing-datasets-experiments-v10\/1731909\">https:\/\/researchdata.edu.au\/atmospheric-forcing-datasets-experiments-v10\/1731909<\/a>\n<ul>\n<li><strong>NOTE:<\/strong> prra in both EC-Earth3 ssp126 and CMCC-ESM2 ssp126 was not chunked properly. If your model has difficulty in working with these forcing datasets, use this script to change the chunk size: <a href=\"https:\/\/github.com\/hakaseh\/prep_iamip2_forcing\/commit\/0392545cf97dd20e9e0229217b6f6b5f0b2698cf\">https:\/\/github.com\/hakaseh\/prep_iamip2_forcing\/commit\/0392545cf97dd20e9e0229217b6f6b5f0b2698cf<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Please see <a href=\"https:\/\/github.com\/hakaseh\/prep_iamip2_forcing\/wiki#how-to-download-the-atmospheric-forcing-dataset-for-the-iamip2-projection-runs\">this Wiki page<\/a> for the instructions on how to download these forcing data using <code>wget<\/code>.<\/p>\n<p>Atmospheric CO2 concentrations should be prescribed to the global and monthly mean values described by Meinshausen et al. (2017). These are available from the following website:<\/p>\n<ul>\n<li>ssp126: <a href=\"https:\/\/greenhousegases.science.unimelb.edu.au\/data\/future\/CMIP6GHGConcentrationProjections_1_2_1\/mole-fraction-of-carbon-dioxide-in-air_input4MIPs_GHGConcentrations_ScenarioMIP_UoM-IMAGE-ssp126-1-2-1_gr1-GMNHSH_201501-250012.csv\">https:\/\/greenhousegases.science.unimelb.edu.au\/data\/future\/CMIP6GHGConcentrationProjections_1_2_1\/mole-fraction-of-carbon-dioxide-in-air_input4MIPs_GHGConcentrations_ScenarioMIP_UoM-IMAGE-ssp126-1-2-1_gr1-GMNHSH_201501-250012.csv<\/a><\/li>\n<li>ssp585:\u00a0<a href=\"https:\/\/greenhousegases.science.unimelb.edu.au\/data\/future\/CMIP6GHGConcentrationProjections_1_2_1\/mole-fraction-of-carbon-dioxide-in-air_input4MIPs_GHGConcentrations_ScenarioMIP_UoM-REMIND-MAGPIE-ssp585-1-2-1_gr1-GMNHSH_201501-250012.csv\">https:\/\/greenhousegases.science.unimelb.edu.au\/data\/future\/CMIP6GHGConcentrationProjections_1_2_1\/mole-fraction-of-carbon-dioxide-in-air_input4MIPs_GHGConcentrations_ScenarioMIP_UoM-REMIND-MAGPIE-ssp585-1-2-1_gr1-GMNHSH_201501-250012.csv<\/a><\/li>\n<\/ul>\n<h2>Exclusion (2015-2100)<\/h2>\n<p>The exclusion experiment is done in the identical setup as the\u00a0historical experiment except that the sea-ice ecosystem component is excluded from the model.<\/p>\n<h2>Control (1958-2100)<\/h2>\n<p>The control run is done by applying the repeat-year forcing of JRA55-do v1.4.0 over 01\/May\/1990 &#8211; 30\/April\/1991. Please contact Hakase if you wish to obtain this data.<\/p>\n<h2>Links for more details<\/h2>\n<ul>\n<li><a href=\"http:\/\/omip-bgc.lsce.ipsl.fr\/index.php\/input-files\/5-omip-bgc-initial-conditions\">OMIP-BGC<\/a>\u00a0website (initial conditions)<\/li>\n<li><a href=\"http:\/\/greenhousegases.science.unimelb.edu.au\/#!\/ghg?mode=downloads&amp;scenarioid=9\">UniMelb<\/a> website (Atmospheric CO2)<\/li>\n<\/ul>\n<h1>Output<\/h1>\n<p>Currently published outputs:<\/p>\n<ul>\n<li>ACCESS-OM2: <a href=\"https:\/\/dapds00.nci.org.au\/thredds\/catalog\/ks32\/CLEX_Data\/ACCESS-OM2_IAMIP2_historical\/v1-0\/catalog.html\">historical<\/a> (<a href=\"https:\/\/github.com\/hakaseh\/IAMIP2\/wiki#how-to-download-the-output-of-the-iamip2-projection-runs\">this link<\/a> shows how to download the output using <code>wget<\/code>)<\/li>\n<\/ul>\n<p>Note: Changes to the diagnostics in Table 1 of Hayashida et al. (2021):<\/p>\n<ol>\n<li>\n<p class=\"p1\">Replace sithick by sivol (the grid cell average ice thickness)<\/p>\n<\/li>\n<li>\n<p class=\"p1\">Replace sisnthick by snvol (the grid cell average snow thickness)<\/p>\n<\/li>\n<li>\n<p class=\"p1\">All bottom-ice quantities should be provided as grid cell averages.<\/p>\n<\/li>\n<\/ol>\n<p>The links to other IAMIP2 products will be available here when it is ready!<\/p>\n<h1>WARM buoys<\/h1>\n<p>Arctic buoys data for model evaluation\/comparison:<\/p>\n<ul>\n<li>buoys 1-4: https:\/\/arcticdata.io\/catalog\/view\/doi:10.18739\/A2HQ3RZ96<\/li>\n<li>buoys 5,6: https:\/\/arcticdata.io\/catalog\/view\/urn%3Auuid%3A3c6cbfb7-9b8e-4087-bf5a-2ea64aa1baa4<\/li>\n<li>buoys 7-9: please request to Victoria Hill.<\/li>\n<\/ul>\n<p>References:<\/p>\n<ul>\n<li>https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/full\/10.1029\/2017JC013617<\/li>\n<li>https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1029\/2021JC017848<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Introduction This website provides the information regarding the input and output data of IAMIP2. For a full description, please refer to the protocol paper (Hayashida et al., 2021). For questions, email Hakase Hayashida (JAMSTEC\/UTAS). Hayashida, H., Jin, M., Steiner, N. S., Swart, N. C., Watanabe, E., Fiedler, R., Hogg, A. McC., Kiss, A. E., Matear,&hellip;<\/p>\n","protected":false},"author":7644,"featured_media":0,"parent":41,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/1122"}],"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=1122"}],"version-history":[{"count":14,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/1122\/revisions"}],"predecessor-version":[{"id":1542,"href":"https:\/\/cosima.org.au\/index.php\/wp-json\/wp\/v2\/pages\/1122\/revisions\/1542"}],"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=1122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}