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dimitri |
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C $Header: /u/gcmpack/MITgcm_contrib/llc_hires/llc_90/code/EXF_OPTIONS.h,v 1.2 2017/10/03 04:20:38 dimitri Exp $ |
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C $Name: $ |
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CBOP |
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C !ROUTINE: EXF_OPTIONS.h |
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C !INTERFACE: |
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C #include "EXF_OPTIONS.h" |
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C !DESCRIPTION: |
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C *==================================================================* |
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C | CPP options file for EXternal Forcing (EXF) package: |
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C | Control which optional features to compile in this package code. |
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C *==================================================================* |
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CEOP |
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#ifndef EXF_OPTIONS_H |
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#define EXF_OPTIONS_H |
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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#ifdef ALLOW_EXF |
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#ifdef ECCO_CPPOPTIONS_H |
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C-- When multi-package option-file ECCO_CPPOPTIONS.h is used (directly included |
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C in CPP_OPTIONS.h), this option file is left empty since all options that |
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C are specific to this package are assumed to be set in ECCO_CPPOPTIONS.h |
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#else /* ndef ECCO_CPPOPTIONS_H */ |
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C-- Package-specific Options & Macros go here |
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C -------------------- |
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C pkg/exf CPP options: |
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C (see also table below on how to combine options) |
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C > ( EXF_VERBOSE ) < replaced with run-time integer parameter "exf_debugLev" |
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C |
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C >>> ALLOW_ATM_WIND <<< |
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C If defined, set default value of run-time param. "useAtmWind" to True. |
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C If useAtmWind=True, read-in and use wind vector (uwind/vwind) |
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C to compute surface wind stress. |
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C |
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C >>> ALLOW_ATM_TEMP <<< |
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C This is the main EXF option controlling air-sea buoyancy fluxes: |
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C If undefined, net heat flux (Qnet) and net fresh water flux |
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C (EmP or EmPmR) are set according to hfluxfile & sfluxfile setting. |
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C If defined, net heat flux and net fresh water flux are computed |
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C from sum of various components (radiative SW,LW + turbulent heat |
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C fluxes SH,LH ; Evap, Precip and optionally RunOff) thus ignoring |
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C hfluxfile & sfluxfile. |
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C In addition, it allows to read-in from files atmospheric temperature |
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C and specific humidity, net radiative fluxes, and precip. |
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C Also enable to read-in Evap (if EXF_READ_EVAP is defined) or |
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C turbulent heat fluxes (if ALLOW_READ_TURBFLUXES is defined). |
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C |
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C >>> ALLOW_DOWNWARD_RADIATION <<< |
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C If defined, downward long-wave and short-wave radiation |
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C can be read-in form files to compute net lwflux and swflux. |
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C |
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C >>> ALLOW_ZENITHANGLE <<< |
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C If defined, ocean albedo varies with the zenith angle, and |
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C incoming fluxes at the top of the atmosphere are computed |
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C |
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C >>> ALLOW_BULKFORMULAE <<< |
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C Allows the use of bulk formulae in order to estimate |
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C turbulent fluxes (Sensible,Latent,Evap) at the ocean surface. |
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C |
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C >>> EXF_CALC_ATMRHO |
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C Calculate the local air density as function of temp, humidity |
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C and pressure |
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C |
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C >>> EXF_READ_EVAP <<< |
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C If defined, evaporation field is read-in from file; |
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C Note: if ALLOW_BULKFORMULAE is defined, evap that is computed from |
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C atmospheric state will be replaced by read-in evap but computed |
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C latent heat flux will be kept. |
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C |
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C >>> ALLOW_READ_TURBFLUXES <<< |
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C If defined, turbulent heat fluxes (sensible and latent) can be read-in |
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C from files (but overwritten if ALLOW_BULKFORMULAE is defined). |
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C |
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C >>> ALLOW_RUNOFF <<< |
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C If defined, river and glacier runoff can be read-in from files. |
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C |
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C >>> ALLOW_SALTFLX <<< |
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C If defined, upward salt flux can be read-in from files. |
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C |
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C >>> ALLOW_RUNOFTEMP <<< |
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C If defined, river and glacier runoff temperature |
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C can be read-in from files. |
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C |
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C >>> ATMOSPHERIC_LOADING <<< |
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C If defined, atmospheric pressure can be read-in from files. |
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C WARNING: this flag is set (define/undef) in CPP_OPTIONS.h |
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C and cannot be changed here (in EXF_OPTIONS.h) |
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C |
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C >>> EXF_SEAICE_FRACTION <<< |
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C If defined, seaice fraction can be read-in from files (areaMaskFile) |
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C |
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C >>> ALLOW_CLIMSST_RELAXATION <<< |
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C Allow the relaxation to a monthly climatology of sea surface |
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C temperature, e.g. the Reynolds climatology. |
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C |
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C >>> ALLOW_CLIMSSS_RELAXATION <<< |
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C Allow the relaxation to a monthly climatology of sea surface |
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C salinity, e.g. the Levitus climatology. |
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C |
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C >>> USE_EXF_INTERPOLATION <<< |
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C Allows to provide input field on arbitrary Lat-Lon input grid |
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C (as specified in EXF_NML_04) and to interpolate to model grid. |
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C Note: default is to interpolate unless {FLD}_interpMethod is set to 0 |
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C |
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C ==================================================================== |
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C |
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C The following CPP options: |
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C ALLOW_ATM_WIND / useAtmWind (useWind) |
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C ALLOW_ATM_TEMP (TEMP) |
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C ALLOW_DOWNWARD_RADIATION (DOWN) |
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C ALLOW_BULKFORMULAE (BULK) |
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C EXF_READ_EVAP (EVAP) |
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C ALLOW_READ_TURBFLUXES (TURB) |
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C |
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C permit all ocean-model forcing configurations listed in the 2 tables below. |
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C The first configuration (A1,B1) is the flux-forced, ocean model. |
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C Configurations A2,B3 and A2,B4 use pkg/exf open-water bulk formulae |
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C to compute, from atmospheric variables, the missing surface fluxes. |
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C The forcing fields in the rightmost column are defined in EXF_FIELDS.h |
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C (ocean-model surface forcing field are defined in model/inc/FFIELDS.h) |
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C |
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C (A) Surface momentum flux: [model: fu,fv ; exf: ustress,vstress] |
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C |
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C # |useWind| actions |
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C ---|-------|------------------------------------------------------------- |
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C (1)| False | Read-in ustress,vstress (if needed in B, compute wind-speed) |
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C | | |
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C (2)| True | Read-in uwind,vwind ; compute wind stress ustress,vstress. |
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C ---|-------|------------------------------------------------------------- |
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C |
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C (B) Surface buoyancy flux: |
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C [ net heat flux: Qnet (exf: hflux), net short-wave: Qsw (exf: swflux) |
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C fresh-water flux: EmPmR (exf: sflux) and saltFlux (exf: saltflx) ] |
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C |
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C # |TEMP |DOWN |BULK |EVAP |TURB | actions |
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C ---|-----|-----|-----|-----|-----|------------------------------------- |
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C (1)| - | - | - | - | - | Read-in hflux, swflux and sflux. |
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C | | | | | | |
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C (2)| - | def | - | - | - | Read-in hflux, swdown and sflux. |
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C | | | | | | Compute swflux. |
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C | | | | | | |
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C (3)| def | def | def | - | - | Read-in atemp, aqh, swdown, lwdown, |
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C | | | | | | precip, and runoff. |
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C | | | | | | Compute hflux, swflux and sflux. |
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C | | | | | | |
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C (4)| def | - | def | - | - | Read-in atemp, aqh, swflux, lwflux, |
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C | | | | | | precip, and runoff. |
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C | | | | | | Compute hflux and sflux. |
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C | | | | | | |
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C (5)| def | def | - | def | def | Read-in hs, hl, swdown, lwdown, |
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C | | | | | | evap, precip and runoff. |
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C | | | | | | Compute hflux, swflux and sflux. |
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C | | | | | | |
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C (6)| def | - | - | def | def | Read-in hs, hl, swflux, lwflux, |
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C | | | | | | evap, precip and runoff. |
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C | | | | | | Compute hflux and sflux. |
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C |
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C ======================================================================= |
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C- Bulk formulae related flags. |
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#define ALLOW_ATM_TEMP |
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#define ALLOW_ATM_WIND |
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#define ALLOW_DOWNWARD_RADIATION |
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#ifdef ALLOW_ATM_TEMP |
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C Note: To use ALLOW_BULKFORMULAE or EXF_READ_EVAP, needs #define ALLOW_ATM_TEMP |
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# define ALLOW_BULKFORMULAE |
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# undef ALLOW_BULK_LARGEYEAGER04 |
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# undef EXF_READ_EVAP |
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# ifndef ALLOW_BULKFORMULAE |
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C Note: To use ALLOW_READ_TURBFLUXES, ALLOW_ATM_TEMP needs to |
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C be defined but ALLOW_BULKFORMULAE needs to be undef |
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# define ALLOW_READ_TURBFLUXES |
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# endif |
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#endif /* ALLOW_ATM_TEMP */ |
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C- Other forcing fields |
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#define ALLOW_RUNOFF |
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#undef ALLOW_RUNOFTEMP |
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#define ALLOW_SALTFLX |
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#if (defined (ALLOW_BULKFORMULAE) && defined (ATMOSPHERIC_LOADING)) |
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C Note: To use EXF_CALC_ATMRHO, both ALLOW_BULKFORMULAE |
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C and ATMOSPHERIC_LOADING need to be defined |
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# undef EXF_CALC_ATMRHO |
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#endif |
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C- Zenith Angle/Albedo related flags. |
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#ifdef ALLOW_DOWNWARD_RADIATION |
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# undef ALLOW_ZENITHANGLE |
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#endif |
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C- Use ocean_emissivity*lwdown in lwFlux. This flag should be defined |
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C unless to reproduce old results (obtained with inconsistent old code) |
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#ifdef ALLOW_DOWNWARD_RADIATION |
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# define EXF_LWDOWN_WITH_EMISSIVITY |
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#endif |
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C- Relaxation to monthly climatologies. |
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#undef ALLOW_CLIMSST_RELAXATION |
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#undef ALLOW_CLIMSSS_RELAXATION |
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C- Allows to read-in seaice fraction from files (areaMaskFile) |
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#undef EXF_SEAICE_FRACTION |
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C- Use spatial interpolation to interpolate |
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C forcing files from input grid to model grid. |
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#define USE_EXF_INTERPOLATION |
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C for interpolated vector fields, rotate towards model-grid axis |
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C using old rotation formulae (instead of grid-angles) |
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#undef EXF_USE_OLD_VEC_ROTATION |
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C for interpolation around N & S pole, use the old formulation |
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C (no pole symmetry, single vector-comp interp, reset to 0 zonal-comp @ N.pole) |
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#undef EXF_USE_OLD_INTERP_POLE |
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#define EXF_INTERP_USE_DYNALLOC |
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#if ( defined USE_EXF_INTERPOLATION && defined EXF_INTERP_USE_DYNALLOC && defined USING_THREADS ) |
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# define EXF_IREAD_USE_GLOBAL_POINTER |
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#endif |
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#endif /* ndef ECCO_CPPOPTIONS_H */ |
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#endif /* ALLOW_EXF */ |
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#endif /* EXF_OPTIONS_H */ |
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