--- MITgcm/doc/tag-index 2005/10/04 03:43:30 1.560 +++ MITgcm/doc/tag-index 2006/02/24 00:57:55 1.614 @@ -1,9 +1,211 @@ -$Header: /home/ubuntu/mnt/e9_copy/MITgcm/doc/tag-index,v 1.560 2005/10/04 03:43:30 jmc Exp $ +$Header: /home/ubuntu/mnt/e9_copy/MITgcm/doc/tag-index,v 1.614 2006/02/24 00:57:55 jmc Exp $ $Name: $ Notes on tags used in MITgcmUV ============================== +o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T) + and based on a reference stratification. Tested within hs94.cs-32x32x5. +o seaice advection: add code for choosing between the default (2nd order + central differences) and multiDim advection schemes provided by + pkg/generic_advdiff +o seaice: + - removed all references to SEAICE_GRID.h fields from + dynsolver, advect, diffus, lsr, without changing the results of lab_sea + (cubed-sphere configuration will change a little) + - grid computations in seaice_init are obsolete now. + - cleaned up code a little so that is easier to read (hopefully). + - added new (better?) discretizations of default advection and diffusion + (turn on with SEAICEuseFluxForm) + - replace 1 in 3d global fields by kSurface in growth.F + +checkpoint58a_post +o seaice: + - bug fix in advect.F +o shelfice: + - separate shelfice load anomaly from pload (breaks with time + dependent forcing), => introduce constant field shelficeLoadAnomaly. + Its default is 0., but it may be computed more cleverly from (unknown) + t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be + done offline. A good approximation of the pressure load anomaly is + necessary to avoid large initial adjustment processes underneath + deep-reaching shelfice. + - small fix in ISOMIP shelfice_thermodynamics + - add more sophisticated thermodynamics of Hellmer (1989), this is + now the default + - give a few constants more intuitive names +o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful + if bulk formulae are used in long integration (especially EmPmR). Turn + on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01 + if balancePrintMean, the imbalance that is substracted is printed to + STDOUT. +o fix bug (typo) in obcs_apply_eta.F +o add a new package shelfice which enables us to model the circulation + underneath shelf-ice with draughts of hundreds of meters. + - works + - to do: + include improved thermodynamics + + check whether kSurfC (from model/inc/SURFACE.h) can be used + instead of new field kTopC + + can we use topoFile, Ro_surf and existing code in ini_depth.F + instead of new field R_shelfIce and new code in ini_depth.F + and ini_mask_etc.F? + + adjust vertical mixing schemes? +o seaice pkg: + - add a cpp-flag to include a simple formula for a salinity dependent + freezing point of sea water at the surface + - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and + meridional stresses are now different (and hopefully correct) +o AIM pkg: change threshold on large-scale condensation to conserve Heat. + update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics + and change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG) +o pkg/diagnostics: add options and parameters for regional-statistics + diagnostics ; define regions by reading a region-mask from a file + (might add other options later) +o pkg/bulk_force: + - add option and parameters to use AIM surface-flux formulae. + - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ; + others forcing fields (defined in PARM05, parameter file "data") are loaded + from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F). + - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F + - use the right EXCH call for uwind,vwind (to work on CS-grid). + - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h) + and parameters (note: calcWindStress replaces .NOT.readwindstress). + - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP). + +checkpoint58 +o add "--embed-source" option to genmake2 which, when the supporting + tools can be compiled (as determined by genmake2) will turn on the + embed_files package which then embeds the entire MITgcm source code + (*.[fFhc] + Makefile) used for the build within the executable + - requested by CNH but off by default + - adds a paltry <9MB to the mitgcmuv executable in most cases + - only writes the output when useEMBEDSRC in eedata is true +o clean up 3-dim. relaxation codes: + * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec + * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs) + * Thanks to Tom Haine for testing! + +checkpoint57z_post +o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate): + affects output (@ truncation level) of exp. plume_on_slope ; updated. +o fix the pickup behavior for obcs in combination with ptracers +o fix a bug in ptracers_external_fields_load +o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...) + affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!) +o transfered surface NH pressure to eta field (if exactConserv). +o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign) + and update lab_sea output.txt file. +o completing 3-dim. relaxation code: additional term + 1/tau*( theta(i,j,k) - thetaStar(i,j,k) ) + in S/R EXTERNAL_FORCING_T (file external_forcing.F) + * At compile time, in "EXF_OPTIONS.h" set + #define ALLOW_CLIMTEMP_RELAXATION + #define ALLOW_CLIMSALT_RELAXATION + * At runtime in "data", under &PARM03 set (e.g., units in seconds) + tauThetaClimRelax3Dim = 15552000.0, + tauSaltClimRelax3Dim = 15552000.0, + * 3 cases: + 1) Use a constant-in-time 3-dim. field + 2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec. + 3) Real-time relax. to time-evolving prescribed field +o Adding Laplacian-type smoothness constraint on + initial and boundary (forcing) controls (ic, bc) + * enable at compile-time via + ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION + * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1 + * Absolute scale somewhat unclear so far + * no area weighting was included since no other cost term does so far + +checkpoint57y_post +First step for a NLFS adjoint +o initially suppress rStar (new flag DISABLE_RSTAR_CODE) +o new init. routines for calc_r_star, calc_surf_dr +o still need to deal with ini_masks_etc +o testreport seemed happy +checkpoint57y_pre + +o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs. +o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc) +o add new offset feature to offline pkg (plus minor cleanup) +o cfc fixes for final year of integration +o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should + be in GCHEM_OPTIONS). + +checkpoint57x_post +o fix testreport Pb in multiple test experiment. +o cleanup our namelist syntax in verification: + - make it more F95 standards compliant (some work still needed) + - allows the vast majority of our tests to work with gfortran +o Non-Hydrostatic: + - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h + - fix exchange calls for CS-grid using the new EXCH_S3D_RL. +o Allow to apply AB on T,S rather than on AB(gT,gS): + - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3 + - use the same arrays (gtNm,gsNm) to hold tracer field at previous + time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)). + - need a "clever" read_pickup to restart from the other AB formulation +o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h +o remove some unused variables (reduces number of compiler warnings) +o adjoint + * Disable useVariableViscosity for adjoint for time being + (there are a number of extensive recomputations) + * Initialize certain variables needed for adjoint + +checkpoint57w_post +o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names + fix the singleCpuIO RS version of MDSWRITEFIELD + and add a WARNING if using globalFiles=T with multi-processors. +o write grid-file(s) in only one format (MDS or MNC): default=MNC (if + using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc +o tracer advection scheme: + add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get + those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile, + was not very convenient). + add implicit version for DST-3 & DST3_Flux_Limit vertical advection; + (further tests needed for the implicit DST & Flux-Limiter schemes). +o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef + and sRef for convenience, handy, when you want to initialize + ptracers in a large domain with a constant non-zero value. Also, + untangle ptracers_init.F a little. + +checkpoint57v_post +o change dome exp. to use variable viscosity in side-drag terms. +o remove all the files from the cfc_offline test since they are now + incorporated into tutorial_cfc_offline which has been producing + identical results for a few days of testing +o add new parameter: sideDragFactor to enable half-slip-side BC + and change side-drag S/R to use viscosity from mom_calc_visc + (can switch back by setting sideDragFactor=0.); affects results at + truncation level; regenerate output for exp.: global_ocean.cs32x10(x3), + global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5). +o vorticity & strain are now computed without masking, to account for + no-slip-side BC in variable viscosity calculation ; mask is applied + anyway later on, before computing advection/coriolis terms. +o modify exp4 to test new obcs support for reading from external files + and for passive tracers +o fix behavior of ptracers_monitor when monitor output is written to a + netcdf-file; still not independent of monitor.F (writes in the same + file). +o change default value of tRef (put a uniform, meaningful value for ocean + & atmos) and initialize sRef (was missing, as Martin mentioned). +o Redefine viscC?Leith*. Change the coefficients of Leith viscosity + to be proportional to enstrophy dissipation length. Thus, + viscC?leith?_new=pi*(viscC?leith?_old)^(1/3) + This is now consistent with Smagorinsky and with the manual. + +checkpoint57u_post +o OBCS and PTRACERS: add open boundary support for passive tracers + - either use homogenous (pseudo) v.Neumann conditions or prescribe + OB-values from file; this is not different from the way theta and salinity + are treated + - however, Orlanski-radiation conditions are not supported, and the model + will stop if you use pTracers and Orlanski at the same time. + - beefed up the rountine obcs_external_fields_load: now only those open + boundary values are overwritten with values from files for which there + are really files, otherwise the OB-fields remain untouched. This makes + it possible to use different OBs at different ends of the domain (as + with EXF) +o reduce number of exch calls in shap_filt (s2). o CS-grid: fix divergence contribution to Leith viscosity. Affects (@ truncation level) 4/5 MLAdjust test results (11&12 digits match).