{"id":698,"date":"2019-12-13T17:30:58","date_gmt":"2019-12-13T21:30:58","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/aomip\/?page_id=698"},"modified":"2021-06-18T09:21:32","modified_gmt":"2021-06-18T13:21:32","slug":"mixing","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/aomip\/models\/details\/mixing\/","title":{"rendered":"Mixing"},"content":{"rendered":"\n\n\t<h1>Mixing<\/h1>\n\n<table id=\"tablepress-13\" class=\"tablepress tablepress-id-13 tablepress-responsive\">\n<thead>\n<tr class=\"row-1 odd\">\n\t<th class=\"column-1\"><p>code<\/p><br \/>\n<\/th><th class=\"column-2\"><p>vertical<\/p><br \/>\n<\/th><th class=\"column-3\"><p>Lateral<\/p><br \/>\n<\/th><th class=\"column-4\"><p>convection<\/p><br \/>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-2 even\">\n\t<td class=\"column-1\"><p>AWI<\/p><br \/>\n<\/td><td class=\"column-2\"><p>none (see advection)<\/p><br \/>\n<\/td><td class=\"column-3\"><p>none (see advection)<\/p><br \/>\n<\/td><td class=\"column-4\"><p>complete<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-3 odd\">\n\t<td class=\"column-1\"><p>GSFC<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-4 even\">\n\t<td class=\"column-1\"><p>\u00a0DRAKKAR<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0TKE background 1.e-5 m2\/s<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0Isopycnal laplacian 130 m2\/s   in the Arctic<\/p><br \/>\n<\/td><td class=\"column-4\"><p>High diff., 10 m2\/s<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-5 odd\">\n\t<td class=\"column-1\"><p>ICMMG<\/p><br \/>\n<\/td><td class=\"column-2\"><p>Bryan &amp; Lewis, 1979<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, 1000 to 500 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>based on Richardson no.<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-6 even\">\n\t<td class=\"column-1\"><p>LANL<\/p><br \/>\n<\/td><td class=\"column-2\"><p>KPP, no double diffusion<\/p><br \/>\n<\/td><td class=\"column-3\"><p>isopycnal-GM, K=2400 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>high diff., 0.1 m2\/s<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-7 odd\">\n\t<td class=\"column-1\"><p>LU<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, 5e4<\/p><br \/>\n<\/td><td class=\"column-4\"><p>complete<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-8 even\">\n\t<td class=\"column-1\"><p>NERSC<\/p><br \/>\n<\/td><td class=\"column-2\"><p>stability dependent + gravity   entrainment<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, prop to grid space<\/p><br \/>\n<\/td><td class=\"column-4\"><p>inflating first layer if denser<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-9 odd\">\n\t<td class=\"column-1\"><p>NPS<\/p><br \/>\n<\/td><td class=\"column-2\"><p>Pacanowski &amp; Philander<\/p><br \/>\n<\/td><td class=\"column-3\"><p>biharmonic, 4.e18 cm4\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>Semtner, 1974<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-10 even\">\n\t<td class=\"column-1\"><p>NYU<\/p><br \/>\n<\/td><td class=\"column-2\"><p>McDougal &amp; Dewar, 1998<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, propto grid space<\/p><br \/>\n<\/td><td class=\"column-4\"><p>Holland and Jenkins, 2001<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-11 odd\">\n\t<td class=\"column-1\"><p>POL<\/p><br \/>\n<\/td><td class=\"column-2\"><p>KPP + Gargett &amp; Holloway 1984<\/p><br \/>\n<\/td><td class=\"column-3\"><p>isopycnal-GM<\/p><br \/>\n<\/td><td class=\"column-4\"><p>complete<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-12 even\">\n\t<td class=\"column-1\"><p>FEMAO<\/p><br \/>\n<\/td><td class=\"column-2\"><p>Constant   1.0 cm2\/s, or Monin-Obukhov &gt; 0.01 cm2\/s, or<\/p><br \/>\n<p>1.5L   turbulence scheme<\/p><br \/>\n<p>+   upwind-streamline<\/p><br \/>\n<\/td><td class=\"column-3\"><p>upwind-streamline   +GM<\/p><br \/>\n<\/td><td class=\"column-4\"><p>high   diff., 0.1 m2\/s<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-13 odd\">\n\t<td class=\"column-1\"><p>INMOM<\/p><br \/>\n<\/td><td class=\"column-2\"><p>Kochergin, Monin, Obukhov, 0.05   cm2\/s<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian at z=const<\/p><br \/>\n<\/td><td class=\"column-4\"><p>high diff., 0.1 m2\/s<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-14 even\">\n\t<td class=\"column-1\"><p>RCO<\/p><br \/>\n<\/td><td class=\"column-2\"><p>k-epsilon (Meier, 2001)<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian 5.e2 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>k-epsilon (Meier, 2001)<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-15 odd\">\n\t<td class=\"column-1\"><p>UCL<\/p><br \/>\n<\/td><td class=\"column-2\"><p>1.5L turbulence scheme<\/p><br \/>\n<\/td><td class=\"column-3\"><p>isopycnal-GM, K=2000 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>enhanced diffusion<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-16 even\">\n\t<td class=\"column-1\"><p>UW<\/p><br \/>\n<\/td><td class=\"column-2\"><p>constant, 0.05 cm2\/s<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, 0.4e6 cm2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>?<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-17 odd\">\n\t<td class=\"column-1\"><p>DAL<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-18 even\">\n\t<td class=\"column-1\"><p>FSU<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-19 odd\">\n\t<td class=\"column-1\"><p>GFDL<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-20 even\">\n\t<td class=\"column-1\"><p>IARC-A<\/p><br \/>\n<\/td><td class=\"column-2\"><p>0.1 ~ 3.0 cm2\/s<\/p><br \/>\n<\/td><td class=\"column-3\"><p>isopycnal-GM, 1.e2 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>complete<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-21 odd\">\n\t<td class=\"column-1\"><p>IARC-B<\/p><br \/>\n<\/td><td class=\"column-2\"><p>0.1 ~ 3.0 cm2\/s<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, 1.0 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>complete<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-22 even\">\n\t<td class=\"column-1\"><p>ECCO2<\/p><br \/>\n<\/td><td class=\"column-2\"><p>KPP, no double diffusion<\/p><br \/>\n<\/td><td class=\"column-3\"><p>none (see advection)<\/p><br \/>\n<\/td><td class=\"column-4\"><p>high diff. + nonlocal transport,   0.1m2\/s<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-23 odd\">\n\t<td class=\"column-1\"><p>MIT<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-24 even\">\n\t<td class=\"column-1\"><p>NCAR<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-25 odd\">\n\t<td class=\"column-1\"><p>NPI<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-26 even\">\n\t<td class=\"column-1\"><p>UMASD<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-27 odd\">\n\t<td class=\"column-1\"><p>NOCS\/ORCA25<\/p><br \/>\n<\/td><td class=\"column-2\"><p>TKE<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian on isopycnals<\/p><br \/>\n<\/td><td class=\"column-4\"><p>TKE<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-28 even\">\n\t<td class=\"column-1\"><p>MCGU<\/p><br \/>\n<\/td><td class=\"column-2\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-3\"><p>\u00a0<\/p><br \/>\n<\/td><td class=\"column-4\"><p>\u00a0<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-29 odd\">\n\t<td class=\"column-1\"><p>LOCEAN<\/p><br \/>\n<\/td><td class=\"column-2\"><p>Gaspar et al., 1990<\/p><br \/>\n<\/td><td class=\"column-3\"><p>isoneutral, laplacian, K=500 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>enhanced diffusion<\/p><br \/>\n<\/td>\n<\/tr>\n<tr class=\"row-30 even\">\n\t<td class=\"column-1\"><p>IOS<\/p><br \/>\n<\/td><td class=\"column-2\"><p>internal wave &amp; double   diffusion (Merryfield et al, 1999)<\/p><br \/>\n<\/td><td class=\"column-3\"><p>laplacian, to 500 m2\/s<\/p><br \/>\n<\/td><td class=\"column-4\"><p>complete<\/p><br \/>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<p>GSFC sigma models: diffusivity tensor rotation<\/p>\nNYU: Layer thickness diffusion is used. Diffusivity is 0.01 m\/s times horizontal grid spacing.<br \/>\nConvection based on available potential energy ()\n\n","protected":false},"excerpt":{"rendered":"<p>Mixing GSFC sigma models: diffusivity tensor rotation NYU: Layer thickness diffusion is used. Diffusivity is 0.01 m\/s times horizontal grid spacing. Convection based on available potential energy ()<\/p>\n","protected":false},"author":83,"featured_media":0,"parent":639,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"tpl-sidebar.php","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/pages\/698"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/comments?post=698"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/pages\/698\/revisions"}],"predecessor-version":[{"id":1677,"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/pages\/698\/revisions\/1677"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/pages\/639"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/aomip\/wp-json\/wp\/v2\/media?parent=698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}