Differences
This shows you the differences between two versions of the page.
noresm:runmodel:advanced [2013-12-16 07:48:32] alfg |
noresm:runmodel:advanced [2022-05-31 09:29:32] |
||
---|---|---|---|
Line 1: | Line 1: | ||
- | ======Advanced configuration ====== | ||
- | === Understanding compsets === | ||
- | |||
- | A compset is a collection of configuration parameters which describe a specific case. NorESM has several pre-defined compsets. The CCSM users guide provides information on configuring your own compsets. The compsets define things like //how many processors will be used in this case //, //which options go to cam_oslo in this case // | ||
- | |||
- | For existing composets, search for the file config_compsets.xml in your $NORESM folder. They can also all be printed by going to $NORESM/ | ||
- | |||
- | === AMIP type simulations === | ||
- | |||
- | For AMIP type simulations, | ||
- | |||
- | | ||
- | |||
- | |||
- | === Running with offline aerosol interaction === | ||
- | |||
- | In order to limit the number of compsets there are (at present) no compsets available for automatically setting up the model in offline mode (i.e., the meteorology is forced by aerosol optics and CDNC from CAM4 instead of CAM4-Oslo) or for taking out extra AeroCom diagnostics, | ||
- | To set up the model in offline mode (before compiling), simply find all subroutines which contain the logical variable AEROFFL (e.g.: grep AEROFFL *.F90), and replace all instances of | ||
- | |||
- | #undef AEROFFL | ||
- | |||
- | and | ||
- | |||
- | !#define AEROFFL | ||
- | |||
- | with | ||
- | |||
- | #define AEROFFL | ||
- | |||
- | This is useful for short simulations where we want to look at direct and/or indirect radiative forcing by aerosols, since the meteorology does not change with changing aerosol emissions (e.g. for year 1850 and 2000). | ||
- | Similarly, to set up the model to take out additional aerosol output for use in AeroCom or other studies where there is a need for extensive aerosol diagnostics, | ||
- | |||
- | !#define AEROCOM | ||
- | |||
- | with | ||
- | |||
- | #define AEROCOM | ||
- | |||
- | The model may be run with any combination of these options: with AEROFFL only, with AEROCOM only, or with AEROFFL and AEROCOM activated at the same time. | ||
- | |||
- | See also presentation from NorESM workshop November 28'th 2013. {{alfk_offline_noresmworkshopnov2013x.pdf|}} | ||
- | |||
- | |||
- | === Use of look-up tables for aerosol optics and activation to cloud droplets === | ||
- | |||
- | See presentation from NorESM workshop November 28'th 2013: {{alfk_lut_noresmworkshopnov2013.pdf|}} | ||
- | |||
- | The look-up table code, AeroTab, is now available through subversion under cam/ | ||
- | To obtain a local copy (myAeroTab) without checking out the whole NorESM model, run | ||
- | |||
- | < | ||
- | svn checkout https:// | ||
- | </ | ||
- | |||
- | === Use of chemistry === | ||
- | |||
- | See presentation from NorESM workshop November 28'th 2013: | ||
- | |||
- | {{dirkjlo_chemistry_noresmworkshopnov2013.pdf|}} | ||
- |