present-day control run
version of the Community Climate System Model CCSM2.0.1 is revisited and adjusted by deepening the Greenland-Scotland ridge, changing oceanic mixing parameters, and applying a regional freshwater flux adjustment at high northern latitudes. The main purpose of these adjustments is to maintain a robus...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.221.4427 2023-05-15T16:29:10+02:00 present-day control run M. Prange The Pennsylvania State University CiteSeerX Archives 2006 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.221.4427 http://www.palmod.uni-bremen.de/%7Emprange/os-4-151-2008.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.221.4427 http://www.palmod.uni-bremen.de/%7Emprange/os-4-151-2008.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.palmod.uni-bremen.de/%7Emprange/os-4-151-2008.pdf text 2006 ftciteseerx 2016-01-07T18:19:59Z version of the Community Climate System Model CCSM2.0.1 is revisited and adjusted by deepening the Greenland-Scotland ridge, changing oceanic mixing parameters, and applying a regional freshwater flux adjustment at high northern latitudes. The main purpose of these adjustments is to maintain a robust Atlantic meridional overturning circulation which collapses in the original model release. The paper describes the present-day control run of the adjusted model (referred to as “CCSM2/T31x3a”) which is brought into climatic equilibrium by applying a deep-ocean acceleration technique. The accelerated integration is extended by a 100-year synchronous phase. The simulated meridional overturning circulation has a maximum of 14×10 6 m 3 s −1 in the North Atlantic. The CCSM2/T31x3a control run is evaluated against observations and simulations with other climate models. Most shortcomings found in the CCSM2/T31x3a control run are identified as “typical problems ” in global climate modelling. Finally, examples (simulation of North Atlantic hydrography, West African monsoon) are shown in which CCSM2/T31x3a has a better simulation skill than the latest low-resolution Community Climate System Model release, CCSM3/T31. Text Greenland Greenland-Scotland Ridge North Atlantic Unknown Greenland |
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description |
version of the Community Climate System Model CCSM2.0.1 is revisited and adjusted by deepening the Greenland-Scotland ridge, changing oceanic mixing parameters, and applying a regional freshwater flux adjustment at high northern latitudes. The main purpose of these adjustments is to maintain a robust Atlantic meridional overturning circulation which collapses in the original model release. The paper describes the present-day control run of the adjusted model (referred to as “CCSM2/T31x3a”) which is brought into climatic equilibrium by applying a deep-ocean acceleration technique. The accelerated integration is extended by a 100-year synchronous phase. The simulated meridional overturning circulation has a maximum of 14×10 6 m 3 s −1 in the North Atlantic. The CCSM2/T31x3a control run is evaluated against observations and simulations with other climate models. Most shortcomings found in the CCSM2/T31x3a control run are identified as “typical problems ” in global climate modelling. Finally, examples (simulation of North Atlantic hydrography, West African monsoon) are shown in which CCSM2/T31x3a has a better simulation skill than the latest low-resolution Community Climate System Model release, CCSM3/T31. |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
M. Prange |
spellingShingle |
M. Prange present-day control run |
author_facet |
M. Prange |
author_sort |
M. Prange |
title |
present-day control run |
title_short |
present-day control run |
title_full |
present-day control run |
title_fullStr |
present-day control run |
title_full_unstemmed |
present-day control run |
title_sort |
present-day control run |
publishDate |
2006 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.221.4427 http://www.palmod.uni-bremen.de/%7Emprange/os-4-151-2008.pdf |
geographic |
Greenland |
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Greenland |
genre |
Greenland Greenland-Scotland Ridge North Atlantic |
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Greenland Greenland-Scotland Ridge North Atlantic |
op_source |
http://www.palmod.uni-bremen.de/%7Emprange/os-4-151-2008.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.221.4427 http://www.palmod.uni-bremen.de/%7Emprange/os-4-151-2008.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766018848623951872 |