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view on githubraw file Latest commit 0c90ef58 on 2024-05-15 16:50:06 UTC0c90ef582a Jean*0001 #ifndef EXF_OPTIONS_H 0002 #define EXF_OPTIONS_H 0003 #include "PACKAGES_CONFIG.h" 0004 #include "CPP_OPTIONS.h" 0005 0006 CBOP 0007 C !ROUTINE: EXF_OPTIONS.h 0008 C !INTERFACE: 0009 C #include "EXF_OPTIONS.h" 0010 0011 C !DESCRIPTION: 0012 C *==================================================================* 0013 C | CPP options file for EXternal Forcing (EXF) package: 0014 C | Control which optional features to compile in this package code. 0015 C *==================================================================* 0016 CEOP 0017 0018 #ifdef ALLOW_EXF 0019 #ifdef ECCO_CPPOPTIONS_H 0020 0021 C-- When multi-package option-file ECCO_CPPOPTIONS.h is used (directly included 0022 C in CPP_OPTIONS.h), this option file is left empty since all options that 0023 C are specific to this package are assumed to be set in ECCO_CPPOPTIONS.h 0024 0025 #else /* ndef ECCO_CPPOPTIONS_H */ 0026 0027 C-- Package-specific Options & Macros go here 0028 0029 C -------------------- 0030 C pkg/exf CPP options: 0031 C (see also table below on how to combine options) 0032 0033 C > ( EXF_VERBOSE ) < replaced with run-time integer parameter "exf_debugLev" 0034 C 0035 C >>> ALLOW_ATM_WIND <<< 0036 C If defined, set default value of run-time param. "useAtmWind" to True. 0037 C If useAtmWind=True, read-in and use wind vector (uwind/vwind) 0038 C to compute surface wind stress. 0039 C 0040 C >>> ALLOW_ATM_TEMP <<< 0041 C This is the main EXF option controlling air-sea buoyancy fluxes: 0042 C If undefined, net heat flux (Qnet) and net fresh water flux 0043 C (EmP or EmPmR) are set according to hfluxfile & sfluxfile setting. 0044 C If defined, net heat flux and net fresh water flux are computed 0045 C from sum of various components (radiative SW,LW + turbulent heat 0046 C fluxes SH,LH ; Evap, Precip and optionally RunOff) thus ignoring 0047 C hfluxfile & sfluxfile. 0048 C In addition, it allows to read-in from files atmospheric temperature 0049 C and specific humidity, net radiative fluxes, and precip. 0050 C Also enable to read-in Evap (if EXF_READ_EVAP is defined) or 0051 C turbulent heat fluxes (if ALLOW_READ_TURBFLUXES is defined). 0052 C 0053 C >>> ALLOW_DOWNWARD_RADIATION <<< 0054 C If defined, downward long-wave and short-wave radiation 0055 C can be read-in form files to compute net lwflux and swflux. 0056 C 0057 C >>> ALLOW_ZENITHANGLE <<< 0058 C If defined, ocean albedo varies with the zenith angle, and 0059 C incoming fluxes at the top of the atmosphere are computed 0060 C 0061 C >>> ALLOW_BULKFORMULAE <<< 0062 C Allows the use of bulk formulae in order to estimate 0063 C turbulent fluxes (Sensible,Latent,Evap) at the ocean surface. 0064 C 0065 C >>> EXF_CALC_ATMRHO 0066 C Calculate the local air density as function of temp, humidity 0067 C and pressure 0068 C 0069 C >>> EXF_READ_EVAP <<< 0070 C If defined, evaporation field is read-in from file; 0071 C Note: if ALLOW_BULKFORMULAE is defined, evap that is computed from 0072 C atmospheric state will be replaced by read-in evap but computed 0073 C latent heat flux will be kept. 0074 C 0075 C >>> ALLOW_READ_TURBFLUXES <<< 0076 C If defined, turbulent heat fluxes (sensible and latent) can be read-in 0077 C from files (but overwritten if ALLOW_BULKFORMULAE is defined). 0078 C 0079 C >>> ALLOW_RUNOFF <<< 0080 C If defined, river and glacier runoff can be read-in from files. 0081 C 0082 C >>> ALLOW_SALTFLX <<< 0083 C If defined, upward salt flux can be read-in from files. 0084 C 0085 C >>> ALLOW_RUNOFTEMP <<< 0086 C If defined, river and glacier runoff temperature 0087 C can be read-in from files. 0088 C 0089 C >>> ATMOSPHERIC_LOADING <<< 0090 C If defined, atmospheric pressure can be read-in from files. 0091 C WARNING: this flag is set (define/undef) in CPP_OPTIONS.h 0092 C and cannot be changed here (in EXF_OPTIONS.h) 0093 C 0094 C >>> EXF_ALLOW_TIDES <<< 0095 C If defined, 2-D tidal geopotential can be read-in from files 0096 C 0097 C >>> EXF_SEAICE_FRACTION <<< 0098 C If defined, seaice fraction can be read-in from files (areaMaskFile) 0099 C 0100 C >>> ALLOW_CLIMSST_RELAXATION <<< 0101 C Allow the relaxation of surface level temperature to SST (climatology), 0102 C e.g. the Reynolds climatology. 0103 C 0104 C >>> ALLOW_CLIMSSS_RELAXATION <<< 0105 C Allow the relaxation of surface level salinity to SSS (climatology), 0106 C e.g. the Levitus climatology. 0107 C 0108 C >>> USE_EXF_INTERPOLATION <<< 0109 C Allows to provide input field on arbitrary Lat-Lon input grid 0110 C (as specified in EXF_NML_04) and to interpolate to model grid. 0111 C Note: default is to interpolate unless {FLD}_interpMethod is set to 0 0112 C 0113 C ==================================================================== 0114 C 0115 C The following CPP options: 0116 C ALLOW_ATM_WIND / useAtmWind (useWind) 0117 C ALLOW_ATM_TEMP (TEMP) 0118 C ALLOW_DOWNWARD_RADIATION (DOWN) 0119 C ALLOW_BULKFORMULAE (BULK) 0120 C EXF_READ_EVAP (EVAP) 0121 C ALLOW_READ_TURBFLUXES (TURB) 0122 C 0123 C permit all ocean-model forcing configurations listed in the 2 tables below. 0124 C The first configuration (A1,B1) is the flux-forced, ocean model. 0125 C Configurations A2,B3 and A2,B4 use pkg/exf open-water bulk formulae 0126 C to compute, from atmospheric variables, the missing surface fluxes. 0127 C The forcing fields in the rightmost column are defined in EXF_FIELDS.h 0128 C (ocean-model surface forcing field are defined in model/inc/FFIELDS.h) 0129 C 0130 C (A) Surface momentum flux: [model: fu,fv ; exf: ustress,vstress] 0131 C 0132 C # |useWind| actions 0133 C ---|-------|------------------------------------------------------------- 0134 C (1)| False | Read-in ustress,vstress (if needed in B, compute wind-speed) 0135 C | | 0136 C (2)| True | Read-in uwind,vwind ; compute wind stress ustress,vstress. 0137 C ---|-------|------------------------------------------------------------- 0138 C 0139 C (B) Surface buoyancy flux: 0140 C [ net heat flux: Qnet (exf: hflux), net short-wave: Qsw (exf: swflux) 0141 C fresh-water flux: EmPmR (exf: sflux) and saltFlux (exf: saltflx) ] 0142 C 0143 C # |TEMP |DOWN |BULK |EVAP |TURB | actions 0144 C ---|-----|-----|-----|-----|-----|------------------------------------- 0145 C (1)| - | - | - | - | - | Read-in hflux, swflux and sflux. 0146 C | | | | | | 0147 C (2)| - | def | - | - | - | Read-in hflux, swdown and sflux. 0148 C | | | | | | Compute swflux. 0149 C | | | | | | 0150 C (3)| def | def | def | - | - | Read-in atemp, aqh, swdown, lwdown, 0151 C | | | | | | precip, and runoff. 0152 C | | | | | | Compute hflux, swflux and sflux. 0153 C | | | | | | 0154 C (4)| def | - | def | - | - | Read-in atemp, aqh, swflux, lwflux, 0155 C | | | | | | precip, and runoff. 0156 C | | | | | | Compute hflux and sflux. 0157 C | | | | | | 0158 C (5)| def | def | - | def | def | Read-in hs, hl, swdown, lwdown, 0159 C | | | | | | evap, precip and runoff. 0160 C | | | | | | Compute hflux, swflux and sflux. 0161 C | | | | | | 0162 C (6)| def | - | - | def | def | Read-in hs, hl, swflux, lwflux, 0163 C | | | | | | evap, precip and runoff. 0164 C | | | | | | Compute hflux and sflux. 0165 C 0166 C ======================================================================= 0167 0168 C- Bulk formulae related flags. 0169 #undef ALLOW_ATM_TEMP 0170 #undef ALLOW_ATM_WIND 0171 #undef ALLOW_DOWNWARD_RADIATION 0172 #ifdef ALLOW_ATM_TEMP 0173 C Note: To use ALLOW_BULKFORMULAE or EXF_READ_EVAP, needs #define ALLOW_ATM_TEMP 0174 # define ALLOW_BULKFORMULAE 0175 C use Large and Yeager (2004) modification to Large and Pond bulk formulae 0176 # undef ALLOW_BULK_LARGEYEAGER04 0177 C use drag formulation of Large and Yeager (2009), Climate Dyn., 33, pp 341-364 0178 # undef ALLOW_DRAG_LARGEYEAGER09 0179 # undef EXF_READ_EVAP 0180 # ifndef ALLOW_BULKFORMULAE 0181 C Note: To use ALLOW_READ_TURBFLUXES, ALLOW_ATM_TEMP needs to 0182 C be defined but ALLOW_BULKFORMULAE needs to be undef 0183 # define ALLOW_READ_TURBFLUXES 0184 # endif 0185 #endif /* ALLOW_ATM_TEMP */ 0186 0187 C- Other forcing fields 0188 #undef ALLOW_RUNOFF 0189 #undef ALLOW_RUNOFTEMP 0190 #undef ALLOW_SALTFLX 0191 0192 #if (defined (ALLOW_BULKFORMULAE) && defined (ATMOSPHERIC_LOADING)) 0193 C Note: To use EXF_CALC_ATMRHO, both ALLOW_BULKFORMULAE 0194 C and ATMOSPHERIC_LOADING need to be defined 0195 # undef EXF_CALC_ATMRHO 0196 #endif 0197 0198 C- Zenith Angle/Albedo related flags. 0199 #ifdef ALLOW_DOWNWARD_RADIATION 0200 # undef ALLOW_ZENITHANGLE 0201 #endif 0202 0203 C- Use ocean_emissivity*lwdown in lwFlux. This flag should be defined 0204 C unless to reproduce old results (obtained with inconsistent old code) 0205 #ifdef ALLOW_DOWNWARD_RADIATION 0206 # define EXF_LWDOWN_WITH_EMISSIVITY 0207 #endif 0208 0209 C- Surface level relaxation to prescribed fields (e.g., climatologies) 0210 #define ALLOW_CLIMSST_RELAXATION 0211 #define ALLOW_CLIMSSS_RELAXATION 0212 0213 C- Allows to read-in (2-d) tidal geopotential forcing 0214 #define EXF_ALLOW_TIDES 0215 0216 C- Allows to read-in seaice fraction from files (areaMaskFile) 0217 #undef EXF_SEAICE_FRACTION 0218 0219 C- Use spatial interpolation to interpolate 0220 C forcing files from input grid to model grid. 0221 #define USE_EXF_INTERPOLATION 0222 C for interpolated vector fields, rotate towards model-grid axis 0223 C using old rotation formulae (instead of grid-angles) 0224 #undef EXF_USE_OLD_VEC_ROTATION 0225 C for interpolation around N & S pole, use the old formulation 0226 C (no pole symmetry, single vector-comp interp, reset to 0 zonal-comp @ N.pole) 0227 #undef EXF_USE_OLD_INTERP_POLE 0228 0229 #undef EXF_INTERP_USE_DYNALLOC 0230 #if ( defined USE_EXF_INTERPOLATION && defined EXF_INTERP_USE_DYNALLOC && defined USING_THREADS ) 0231 # define EXF_IREAD_USE_GLOBAL_POINTER 0232 #endif 0233 0234 C- Not recommended (not tested nor maintained) and un-documented Options: 0235 #undef ALLOW_BULK_OFFLINE 0236 #undef ALLOW_CLIMSTRESS_RELAXATION 0237 0238 #endif /* ndef ECCO_CPPOPTIONS_H */ 0239 #endif /* ALLOW_EXF */ 0240 #endif /* EXF_OPTIONS_H */
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