FAMOUS is a low-resolution version of the [=HadCM3=] AOGCM. It is intended to be used for projects where long periods of simulated time are needed, because it runs about ten times faster than [=HadCM3=], which it has been tuned to emulate. Its development is a joint project of
* [[Hadley Centre->http://www.metoffice.gov.uk/research/hadleycentre]] at the Met Office.
* [[http://ncas-climate.nerc.ac.uk/index.php|National Centre for Atmospheric Science (NCAS) Climate Programme]] and [[http://ncas-cms.nerc.ac.uk/|NCAS Computational Modelling Services (CMS)]] at the Department of Meteorology of the University of Reading.
* [[http://www.bridge.bris.ac.uk/|Bristol Research Initiative for the Dynamic Global Environment (BRIDGE)]] at the School of Geographical Sciences of the University of Bristol.
* NERC [[http://quest.bris.ac.uk|QUEST]] and [[http://www.soc.soton.ac.uk/rapid/rapid.php|RAPID]] programmes. QUEST is also developing [[http://www.quest-esm.ac.uk|QESM]], a higher-resolution, more comprehensive Earth System model.
The atmosphere component of FAMOUS is 48x37 (7.5deg longitude x 5deg latitude) with 11 levels in the vertical and a 1-hour timestep. The ocean component is 96x73 (3.75deg longitude x 2.5deg latitude) with 20 levels, the same as [=HadCM3L=], with a 12-hour timestep (using a distorted momentum equation). FAMOUS does not use flux adjustment; in order to achieve this the ocean component of FAMOUS was developed with a few changes to the bathymetry of the North Atlantic to allow a more realistic representation of the ocean circulation, as described by [[Jones (J Atmos Ocean Tech, 2003)->http://www.famous.ac.uk/Papers/jones03famousocean.pdf]]. Owing to its lower resolution, the climate of FAMOUS is not as realistic as that of [=HadCM3=], but the speed of FAMOUS made it possible to tune it using an iterative objective approach, which cannot be afforded with higher-resolution models. The tuning process and the resulting climate simulation are described by [[Jones et al. (Climate Dyn, 2005)->http://www.famous.ac.uk/Papers/jones05famoustuning.pdf]]. Recent improvements and their impact on the simulated climate are described in [[http://www.geosci-model-dev.net/1/53/2008/gmd-1-53-2008.html|Smith et al. (Geosci. Model Dev. 2008)]].
Models of the terrestrial and marine carbon cycle have been implemented in FAMOUS, following [=HadCM3LC=] (Cox et al., Nature, 2000). We refer to a configuration of FAMOUS with the carbon cycle as FAMOUS-C.
FAMOUS has been made available for general use with support from QUEST. To use FAMOUS, you need first to install the portable Unified Model (the Met Office model); see under "UM support" on the [[http://ncas-cms.nerc.ac.uk/|NCAS-CMS website]]. FAMOUS runs at UM version 4.5. Once the UM is running, you can install one of the FAMOUSStandardVersions. NCAS-CMS and QUEST are supporting FAMOUS on the [[HPCx|HPCx supercomputer]], the [[FAMOUSOnQuest|QUEST cluster]] and the new [[FAMOUSOnHECToR| HECToR supercomputer]].
Please contact us (famous-esm-info at lists.reading.ac.uk) if you would like to use FAMOUS. You are welcome to read and join the [[http://www.lists.reading.ac.uk/mailman/listinfo/famous-esm|FAMOUS discussion email list]].
Projects using or working on FAMOUS include
* RAPID project on the role of the cryosphere in modulating the thermohaline circulation of the Atlantic
* QUEST [[http://www.bridge.bris.ac.uk/projects/deglaciation|Deglaciation]] on the drivers of changes in climate, atmospheric composition and biogeochemical cycles during the period from the peak of the last ice age until recent times
* [[http://quest.bris.ac.uk/research/themes/Quaternary.html|Quaternary]] QUEST on the regulation of atmospheric carbon dioxide on glacial-interglacial timescales and its coupling to climate change
* QUEST project on the dynamics of the Paleocene-Eocene Thermal Maximum
* RAPID project [[http://www.bridge.bris.ac.uk/projects/ORMEN|Ormen]] on ocean reconstruction and modelling of the European deglaciation
* EU [[http://geography.swansea.ac.uk/millennium|Millennium]] project on European climate of the last millennium - [[http://climateprediction.net/content/millennium-experiment-famous | Millennium experiment on ClimatePrediction.net]]
*[[http://researchpages.net/QDES|QUEST-DESIRE]] aims to understand the evolution of CO2 and CH4 over the 800,000 year period revealed by the ice core record
* EU [[http://epoca-project.eu|EPOCA]] project on ocean acidification.
* NERC responsive-mode project on Heinrich events
Development of FAMOUS and associated tools is continuing in Reading (see FAMOUSMinutes, [[FAQ]], [[CurrentWorkAnnette]] and [[CurrentWorkRobin]]) with support from QUEST. The GLIMMER community ice-sheet model is being coupled to FAMOUS, with support from RAPID.