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PlanetProfile.m
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function outPlanet = PlanetProfile(Planet,Seismic,Params)
%% PlanetProfile
%
% Based on
% S. Vance, M. Bouffard, M. Choukroun, and C. Sotin.
% Ganymede's internal structure including thermodynamics of magnesium sulfate oceans in contact with ice.
% Planetary And Space Science, 96:62-70, 2014.
% (http://dx.doi.org/10.1016/j.pss.2014.03.011)]
%
% Expanded in -- Github Release 1.0
% S. D. Vance, M. P. Panning, S. Staehler, F. Cammarano, B. G. Bills, G. Tobie, S..
% Kamata, S. Kedar, C. Sotin, W. T. Pike, et al.
% Geophysical investigations of habitability in ice-covered ocean worlds.
% Journal of Geophysical Research: Planets, Nov 2018.
%% new function to CheckCompatibility
vernum = PPversion;
disp(['PlanetProfile version ' vernum])
if all(vernum(end-2:end) == 'dev'); disp('This version is in development.'); end
% Check SeaFreeze compatibility and presence on path
% This version of PlanetProfile is compatible with the version number
% below.
seaVer = '0.9.2';
checkSeaFreeze(seaVer);
%% leave as is for now, separate file in python, or nonexistent
% First, get runtime config information
% Fetch this information from an external file so we don't track
% runtime settings in this file
if ~isfield(Params,'cfg')
cfg = config;
else
cfg = Params.cfg;
end
if ~isfield(Seismic,'DO_SEISMIC')
Seismic.DO_SEISMIC = 1;
end
%% worry about TauP implementation
if isfield(Params,'TauP')
try exist('taupcreate')
disp ('Taup Model file will be created. Curve will be plotted. Please use TauP (https://www.seis.sc.edu/taup/) for full functionality')
catch
disp('Add mattaup to path')
end
end
if strcmp(Planet.Ocean.comp,'Seawater')
wtPpt = Planet.Ocean.w_ocean_pct; % We are already using ppt for Seawater even though the variable is called WtPct
else
wtPpt = 10*Planet.Ocean.w_ocean_pct;
end
%% steve to clean this up by calling Params.cfg
Params.NOPLOTS = cfg.NO_PLOTS;
Params.CALC_NEW = cfg.CALC_NEW;
Params.CALC_NEW_REFPROFILES = cfg.CALC_NEW_REF;
Params.CALC_NEW_SOUNDSPEEDS = cfg.CALC_NEW_SOUND;
Params.INCLUDE_ELECTRICAL_CONDUCTIVITY = cfg.CONDUCT;
Params.HOLD = cfg.HOLD;
Params.savefigformat = cfg.fig_fmt;
%% Check for porosity so we know if we will need those plots --> to be moved somewhere more sensible -- make part of CheckFields function, or in python create a class Planet that creates all the fields
POROUS = isfield(Planet,'POROUS_ROCK') && Planet.POROUS_ROCK;
%% CreatePlots
% Show any figures already generated in case user has selected no_plots = 0
% after running with no_plots = 1
if ~Params.NOPLOTS
figList = findall(0, 'type', 'figure');
for iFig=1:numel(figList)
set(figList(iFig), 'visible', 'on');
end
% Let the user see changes in real time, and only pop up windows at the
% *start* of the first run on which we generate plots
drawnow
end
%% SetupFilenames
POROUS_ICE = isfield(Planet,'POROUS_ICE') && Planet.POROUS_ICE;
if POROUS_ICE; porIceStr = '_PorousIce'; else; porIceStr = ''; end
% implementing a feature to track silicate composition in output files
% because it's getting confusing as we investigate k2, Q, etc....
if isfield(Seismic,'mantleEOSname'); minEOS = ['_' Seismic.mantleEOSname]; else; minEOS = ''; end
% adjust file name based on keywords(clathrates, porous)
%if isfield(Planet,'Clathrate'); clathStr = '_Clathrates'; else; clathStr = ''; end
savebase = [Planet.name 'Profile_'];
if isfield(Planet,'Clathrate'); savebase = [savebase 'Clathrates_']; end
%savebase = [Planet.name 'Profile_' clathStr];
savefile = [savebase Planet.Ocean.comp ...
'_' num2str(round(Planet.Ocean.w_ocean_pct)) 'WtPct' minEOS porIceStr ];
% MJS 2020-10-02:
% strLow is a placeholder for a calculation that places a relevant string
% into filenames for differentiating mantle compositions. That calculation
% will need to be moved up to account for new additions placing the new
% Profile_fname field into Planet.
strLow = '';
datpath = strcat(Planet.name,'/');
figpath = strcat(Planet.name,'/figures/');
if ~exist(figpath,'dir')
error(['Figure path ' figpath ' does not exist. Check your Matlab path ' ...
' settings and add-with-subfolders the main PlanetProfile directory.'])
end
if ~exist(datpath,'dir')
error(['Data path ' datpath ' does not exist. Check your Matlab path ' ...
' settings and add-with-subfolders the main PlanetProfile directory.'])
end
%% globals for functions in fzero --> just swEOS_chooser this needs to be cleaned up --> SetupEOS
wo = Planet.Ocean.w_ocean_pct;
if strcmp(Planet.Ocean.comp,'Seawater')
global swEOS
swEOS.gsw = swEOS_chooser('gsw305');
elseif strcmp(Planet.Ocean.comp,'NaCl')
error(['NaCl is not currently implemented.'])
elseif strcmp(Planet.Ocean.comp,'NH3')
% error(['NH3 is not currently implemented.'])
elseif strcmp(Planet.Ocean.comp,'MgSO4')
conduct_scaling_MgSO4 = (1+4*wo); % empirical scaling of electrical conductivity from 1 bar values compiled in Hand and Chyba 2007
end
if isfield(Seismic,'mantleEOS')
thiseos = split(Seismic.mantleEOS,'.tab');
thiseos = char(thiseos(1));
else
thiseos = 'none';
end
bar2GPa = 1e-4;
Gg = 6.67300e-11; % m3 kg-1 s-2
if ~cfg.SKIP_PROFILES
%% Figure label settings
set(0,'defaultfigurecolor',[1 1 1]) % white background for figures
lbl = getPlotLabels(cfg.dft_font, cfg.dft_math, cfg.interpreter);
% Make shorter versions so they don't muck up the strings too much
nm = lbl.nm; bnm = lbl.bnm; math = lbl.math;
%% Figure generation
% Pre-generate all the figures so that we can work with them in the
% background, instead of popping up as they are focused.
% If the windows are still open, we can reuse them
% without grabbing focus by checking ishandle (or isempty for array values).
figs = getProfileFigRefs(lbl, Planet.Tb_K, Planet.FeCore, POROUS, cfg.HOLD, cfg.NO_PLOTS);
% Also grab the layered induction figures in order to pregenerate them
% since we will be a moment in this function
if cfg.CALC_NEW_INDUC && ...
(strcmp(Planet.name,'Europa') || strcmp(Planet.name,'Ganymede') || strcmp(Planet.name,'Callisto'))
[~] = getLayeredFigRefs(lbl, Planet.Tb_K, Planet.name, Planet.PLOT_SIGS, cfg.HOLD, cfg.NO_PLOTS);
end
%% Save in a file the densities of adiabats corresponding to different ocean concentrations
% These are reference profiles, for plotting on hydrosphere density vs
% pressure plots
% OceanFreezeDensities TBD
str_ref_densities = ['ref_densities_' Planet.name '_' Planet.Ocean.comp '_pp.mat'];
if Params.CALC_NEW_REFPROFILES
nPr = Params.nsteps_ref_rho;
%calculate the densities of liquid solution on the liquidus lines
%corresponding to different concentrations
wref = Params.wref;
lw = length(wref);
Pref_MPa=linspace(0,Params.Pseafloor_MPa,nPr);
Tref_K = zeros(lw,nPr);
rho_ref_kgm3 = Tref_K; %allocate
for jr=1:lw
for il=1:nPr
try
if ~isfield(Planet.Ocean,'fnTfreeze_K')
Tref_K(jr,il) = getTfreeze(Pref_MPa(il),wref(jr),Planet.Ocean.comp);
else
Tref_K(jr,il) = Planet.Ocean.fnTfreeze_K(Pref_MPa(il),wref(jr));
end
catch
disp('caught exception while calculating liquid densities (dashed lines); maybe the search range for fzero is too small?')
disp(['il = ' num2str(il)])
Tref_K(jr,il) = NaN;
end
rho_ref_kgm3(jr,il) = fluidEOS(Pref_MPa(il),Tref_K(jr,il),wref(jr),Planet.Ocean.comp);
end
if strcmp(Planet.Ocean.comp,'Seawater')
isreal = find(~isnan(rho_ref_kgm3(jr,:)));
rho_ref_kgm3(jr,:)=interp1(Pref_MPa(isreal),rho_ref_kgm3(jr,isreal),Pref_MPa,'linear','extrap');
end
end
save(fullfile([datpath str_ref_densities]),'rho_ref_kgm3','Pref_MPa','Tref_K')
else
try
load(fullfile([datpath str_ref_densities]));
catch
error(['ERROR: A reference density file for ' Planet.name ' ' Planet.Ocean.comp ' was not found. Re-run with calc_new_ref=1 to generate the needed file.'])
end
end
end % ~cfg.SKIP_PROFILES
% Filename strings
vsP = 'Porosity_vs_P';
vsR = 'Porosity_vs_R';
vperm = 'Permeability';
vgsks = 'Gs_Ks';
vseis = 'Seismic';
vcond = 'Conductivity';
vgrav = 'Gravity';
vmant = 'MantleDens';
vcore = 'CoreMantTrade';
vpvt4 = 'PTx4';
vpvt6 = 'PTx6';
vwedg = 'Wedge';
%% FEATURE! COMING SOON!
if ~isfield(Planet,'NoH2O') % backward compatibility--haven't finished implementing water-free worlds
Planet.NoH2O =0;
end
%SetupClathrates
[n_clath, n_iceI, n_ocean] = deal(zeros(1));
if isfield(Planet,'Clathrate')
disp('Running with clathrate parameters')
if isfield(Params,'Clathrate_set_depth') % checks if clathrates have set depth
max_clath_depth=Params.Clathrate_set_depth;
Check_clath_depth=1;
else
max_clath_depth=10e15;
Check_clath_depth=0;
end
else
Params.nsteps_clath = 0;
Check_clath_depth=0;
max_clath_depth=1e15;% ridiculous high number
% MJS 2021-10-27: This format is being removed in the python
% implementation. Using the already-included logical flag
% Planet.CLATHRATE as a check is a much more sensible way to
% toggle clathrate modeling.
end
%% SetupLayers
nsteps = Params.nsteps_iceI + Params.nsteps_ocean + Params.nsteps_clath;
% MJS 2021-10-28: This got moved up from below where saving/reloading a la
% CALC_NEW was done. We needed to do a bit more calculations before making
% the save files.
[z_m,r_m,g_ms2,M_above_kg,M_below_kg] = deal(zeros(1,nsteps));
M_above_kg(1) = 0;
M_below_kg(1) = Planet.M_kg;
r_m(1) = Planet.R_m;
g_ms2(1) = Gg*Planet.M_kg/Planet.R_m^2;
D_conductivityIh = 632; % W m-1; Andersson et al. 2005 (For comparison, Mckinnon 2006 uses a value of 621 from Slack 1980)
[Planet.Profile_fname, Planet.Profile_ID] = deal(strings(1));
% Preallocate for ConvectionDeschampsSotin
[Q_Wm2,deltaTBL_m,eTBL_m,Tc,rhoIce,alphaIce,CpIce,kIce,nu,CONVECTION_FLAG_I,Qb,Planet.zb_outerIce_m] = deal(zeros(1));
%%
%if ~Planet.NoH2O
if Params.CALC_NEW
% adds number of clathrates based on inputs or sets to zero, also sets
% maximum depth if specified
%%
[T_K,P_MPa,rho_kgm3, phi_hydro_frac] = deal(zeros(1,nsteps));
phase = zeros(1,nsteps);
% assign phase based on clathrates or Ih
phase((1+Params.nsteps_clath):(Params.nsteps_clath+Params.nsteps_iceI))=1;
phase(1:Params.nsteps_clath)=30; % index to indicate clathrates, which are not an ice phase
Tb_K = Planet.Tb_K;
%% IceLayers --- function iteratively setting up the thermal profile, the density and temperature of the layer with each pressure step
%ice Ih, ice III, ice V
%--------------------------------------------------------------------------
T_K(1) = Planet.Tsurf_K;
P_MPa(1) = Planet.Psurf_MPa;
% if ice shell had to be thinned in previous run, this will
% reset indexing correctly. Set starting values:
n_iceI = Params.nsteps_iceI; % these are redundant. just change text below to use Params.n...
n_clath = Params.nsteps_clath;
n_ocean = Params.nsteps_ocean; %
if n_clath>0
clath_out{1} = Helgerud_sI(P_MPa(1),T_K(1));
rho_kgm3(1)=clath_out{1}.rho;
[Cp(1) alpha_K(1)]= getCpIce(P_MPa(1),T_K(1),phase(1)) ;
else
rho_kgm3(1) = getRhoIce(P_MPa(1),T_K(1),1);
[Cp(1) alpha_K(1)]= getCpIce(P_MPa(1),T_K(1),phase(1)) ;
end
try
Pb_MPa = getPfreeze(Planet.Tb_K,wo,Planet.Ocean.comp);
%[Cp(1) alpha_K(1)]= getCpIce(P_MPa(1),T_K(1),phase(1)) ;
deltaP = Pb_MPa/(n_clath+n_iceI-1);
% assumes Pressure gradient doesnt change betweeen clathrates
% and need to check assumption
% if n_clath == 0 this will skip and move on to next section
%% ClathrateLayer function within IceLayers
for il=2:n_clath % propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (Planet.Tb_K.^(P_MPa(il)./Pb_MPa)).*(Planet.Tsurf_K.^(1-P_MPa(il)./Pb_MPa));
clath_out{il} = Helgerud_sI(P_MPa(il),T_K(il));
rho_kgm3(il)=clath_out{il}.rho;
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),phase(il)) ;
z_m(il) = z_m(il-1)+ (P_MPa(il)-P_MPa(il-1))*1e6/g_ms2(il-1)/rho_kgm3(il-1);
r_m(il) = Planet.R_m-z_m(il);
% determine local gravity and check to make sure maximum
% clathrate depth isn't reached
M_below_kg(il) = M_above_kg(il-1) + 4/3*pi*(r_m(il-1)^3-r_m(il)^3)*rho_kgm3(il);
M_below_kg(il) = Planet.M_kg-M_above_kg(il);
g_ms2(il) = Gg*M_below_kg(il)/r_m(il)^2;
if z_m(il)>max_clath_depth % check to see if maximum depth of clathrates reached
n_iceI=n_iceI+(n_clath-il)+1;
n_clath=il-1;
phase((1+n_clath):(n_clath+n_iceI))=1;
break
end
%rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
end % end ClathrateLayer
if n_clath>0
ii=n_clath+1;
else
ii=2;
end
%% IceILayer
for il=ii:(n_iceI+n_clath) % propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (Planet.Tb_K.^(P_MPa(il)./Pb_MPa)).*(Planet.Tsurf_K.^(1-P_MPa(il)./Pb_MPa));
rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1); % I THINK THIS CALL CAN ACCEPT A VECTOR
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),phase(il)) ; % I THINK THIS CALL CAN ACCEPT A VECTOR
%rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
end
nIceIIILithosphere=0;
nIceVLithosphere=0;
PbI_MPa = Pb_MPa;
catch
disp('PlanetProfile failed to get Pb! Here''s why:')
disp(lasterr)
disp('Maybe it''s okay? If execution stopped, then probably not. Try looking where getPfreeze is called.')
%% IceIIIUnderplateLayer
if isfield(Params,'BOTTOM_ICEIII') && Params.BOTTOM_ICEIII % this will elicit an error if one has set the temperature too low but one hasn't specified ice III or V under the ice I
disp('Adding ice III to the bottom of ice Ih. Make sure the ocean salinity is high enough that doing this makes sense')
nIceIIILithosphere=5;
phase((n_iceI+n_clath)-nIceIIILithosphere:(n_iceI+n_clath))=3;
PbI_MPa = 210; % the Ih-III transition is essentially fixed, within a few MPa
deltaP = PbI_MPa/((n_iceI+n_clath)-5-1); % save five entries at the bottom for ice III
for il=2:n_clath % propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (Planet.Tb_K.^(P_MPa(il)./Pb_MPa)).*(Planet.Tsurf_K.^(1-P_MPa(il)./Pb_MPa));
clath_out{il} = Helgerud_sI(P_MPa(il),T_K(il));
rho_kgm3(il)=clath_out{il}.rho;
z_m(il) = z_m(il-1)+ (P_MPa(il)-P_MPa(il-1))*1e6/g_ms2(il-1)/rho_kgm3(il-1);
r_m(il) = Planet.R_m-z_m(il);
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),phase(il))
% determine local gravity
M_above_kg(il) = M_above_kg(il-1) + 4/3*pi*(r_m(il-1)^3-r_m(il)^3)*rho_kgm3(il);
M_below_kg(il) = Planet.M_kg-M_above_kg(il);
g_ms2(il) = Gg*M_below_kg(il)/r_m(il)^2;
if z_m(il)>max_clath_depth % check to see if maximum depth of clathrates reached
n_iceI=n_iceI+(n_clath-il)+1;
n_clath=il-1;
phase(:,(1+n_clath):(n_clath+n_iceI))=1;
break
end
%rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
end
if n_clath>0
ii=n_clath+1;
else
ii=2;
end
for il=ii:(n_iceI+n_clath)-nIceIIILithosphere % propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (Planet.Tb_K.^(P_MPa(il)./Pb_MPa)).*(Planet.Tsurf_K.^(1-P_MPa(il)./Pb_MPa));
rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),phase(il)) ;
%rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
end
TbIII = Planet.Tb_K+1;
Pb_MPa = getPfreezeIII(TbIII,wo,Planet.Ocean.comp);% fix the thickness of the ice III layer based on T>Tb by 2K
deltaP = (Pb_MPa-PbI_MPa)/nIceIIILithosphere; % five entries at the bottom for ice III
for il = (n_clath+n_iceI)-nIceIIILithosphere+1:(n_iceI+n_clath)
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (TbIII.^(P_MPa(il)./Pb_MPa)).*(TbIII.^(1-P_MPa(il)./Pb_MPa));
rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),3);
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),3) ;
end
elseif isfield(Params,'BOTTOM_ICEV') && Params.BOTTOM_ICEV
disp('Adding ice V and III to the bottom of ice Ih. Make sure the ocean salinity is high enough that doing this makes sense')
nIceIIILithosphere=5;
nIceVLithosphere=5;
phase(n_iceI-nIceVLithosphere-nIceIIILithosphere:n_iceI-nIceVLithosphere)=3;
phase(n_iceI-nIceVLithosphere:n_iceI)=5;
PbI_MPa = 210; % the Ih-V transition is essentially fixed, within a few MPa
deltaP = PbI_MPa/((n_iceI+n_clath)-5-1); % save five entries at the bottom for ice V
%clathrates
for il=2:n_clath % propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (Planet.Tb_K.^(P_MPa(il)./Pb_MPa)).*(Planet.Tsurf_K.^(1-P_MPa(il)./Pb_MPa));
clath_out{il} = Helgerud_sI(P_MPa(il),T_K(il));
rho_kgm3(il)=clath_out{il}.rho;
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),phase(il))
z_m(il) = z_m(il-1)+ (P_MPa(il)-P_MPa(il-1))*1e6/g_ms2(il-1)/rho_kgm3(il-1);
r_m(il) = Planet.R_m-z_m(il);
% determine local gravity
M_above_kg(il) = M_above_kg(il-1) + 4/3*pi*(r_m(il-1)^3-r_m(il)^3)*rho_kgm3(il);
M_below_kg(il) = Planet.M_kg-M_above_kg(il);
g_ms2(il) = Gg*M_below_kg(il)/r_m(il)^2;
if z_m(il)>max_clath_depth % check to see if maximum depth of clathrates reached
n_iceI=n_iceI+(n_clath-il)+1;
n_clath=il-1;
phase(:,(1+n_clath):(n_clath+n_iceI))=1;
break
end
%rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
end
if n_clath>0
ii=n_clath+1;
else
ii=2;
end
%ice Ih
% propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
for il=ii:(n_iceI+n_clath)-nIceVLithosphere % propagate P,T,rho to the bottom of the ice % THIS CAN BE COMPUTED AS A VECTOR INSTEAD.
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (Planet.Tb_K.^(P_MPa(il)./Pb_MPa)).*(Planet.Tsurf_K.^(1-P_MPa(il)./Pb_MPa));
rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),phase(ill));
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),phase(ill)) ;
%rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),1);
end
%ice III
TbIII = Planet.Tb_K+1;
Pb_MPa = getPfreezeIII(TbIII,wo,Planet.Ocean.comp);% fix the thickness of the ice III layer based on T>Tb by 2K
deltaP = (Pb_MPa-PbI_MPa)/(nIceIIILithosphere); % five entries at the bottom for ice III
for il = (n_iceI+n_clath)-nIceIIILithosphere+1:(n_iceI+n_clath)
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (TbIII.^(P_MPa(il)./Pb_MPa)).*(TbIII.^(1-P_MPa(il)./Pb_MPa));
rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),3);
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),3) ;
end
%ice V
TbV = Planet.Tb_K+1;
Pb_MPa = getPfreezeV(TbV,wo,Planet.Ocean.comp);% fix the thickness of the ice V layer based on T>Tb by 2K
deltaP = (Pb_MPa-PbI_MPa)/(nIceVLithosphere); % five entries at the bottom for ice V
for il = (n_iceI+n_clath)-nIceVLithosphere+1:(n_iceI+n_clath)
P_MPa(il) = P_MPa(il-1) + deltaP;
T_K(il) = (TbV.^(P_MPa(il)./Pb_MPa)).*(TbV.^(1-P_MPa(il)./Pb_MPa));
rho_kgm3(il) = getRhoIce(P_MPa(il),T_K(il),3);
[Cp(il) alpha_K(il)]= getCpIce(P_MPa(il),T_K(il),3) ;
end
%adjusts for surface porosity if set
if POROUS_ICE % Steve to ask Angela if this is actually being used.
% correction for porosity
por_in.p=P_MPa(1:il)*1e-3;
por_in.t = T_K(1:il);
por_in.den = rho_kgm3(1:il);
%por_in.vp = velsIce.Vclathl_kms;
%por_in.vs = velsIce.Vclatht_kms;
if isfield(Planet,'phi_surface')
por_out = get_porosity_ice(por_in,Planet.phi_surface);
else
por_out =get_porosity_ice(por_in);
end
%permeability = por_out.per;
%ice_ind=find(phase==30);
rho_kgm3(1:il) = por_out.den;
phi_hydro_frac(1:il)=por_out.por;
%velsIce.Vclathl_kms = por_out.vp;
%velsIce.Vclatht_kms = por_out.vs;
disp(['Average ice porosity: ' num2str(mean(phi_hydro_frac(1:il)))])
disp(['Porosity: ' num2str(phi_hydro_frac(1:il))])
end
end % end IceIIIUnderplateLayer
end
%% OceanLayer
%OCEAN + ICE III/V/VI SHELL
%--------------------------------------------------------------------------
deltaP = (Params.Pseafloor_MPa-Pb_MPa)/n_ocean; %
if deltaP<=0 % prevent an embarassing error that can occur when adapting a file for a small object to that of a larger one.
error('negative increment of pressure while computing ocean profile. Be sure Params.Pseafloor_MPa is greater than the likely pressure at the silicate interface. Currently it''s less than the pressure at the base of the ice I layer.')
end
for il =1:n_ocean
ill = il+n_iceI+n_clath;
disp(['il: ' num2str(il) '; P_MPa: ' num2str(round(P_MPa(ill-1))) '; T_K: ' num2str(round(T_K(ill-1)))]);
P_MPa(ill) = Pb_MPa + il*deltaP;
if il==1 % establish the phase vector
phase(ill) = getIcePhase(P_MPa(ill-1),T_K(ill-1),wo,Planet.Ocean.comp);%p = 0 for liquid, I for I, 2 for II, 3 for III, 5 for V and 6 for VI
elseif phase(ill-1)~=6
phase(ill) = getIcePhase(P_MPa(ill-1),T_K(ill-1),wo,Planet.Ocean.comp);%p = 0 for liquid, I for I, 2 for II, 3 for III, 5 for V and 6 for VI
if phase(ill-1)==3 && phase(ill)==0 % fix to instabilities in the phase lookup for ice III
disp('Fixing apparent instability in the EOS?ice III is forming above the ocean where it wasn''t specified')
phase(ill)=3;
end
if phase(ill-1)==0 && phase(ill)==1 % fix to instabilities in the phase lookup for ice I
disp('Fixing apparent instability in the EOS?ice Ih is forming under the ocean')
phase(ill)=0;
end
if phase(ill-1)==5 && phase(ill)==0 % fix to instabilities in the phase lookup for ice V for Titan NH3 LBF svance Jul 6 2021
disp('Fixing apparent instability in the EOS? fluid is forming under ice V')
phase(ill)=5;
end
else
phase(ill) = 6;
end
if phase(ill) == 0 %if ocean
[rho_ocean,Cp(ill-1),alpha_o]= fluidEOS(P_MPa(ill-1),T_K(ill-1),wo,Planet.Ocean.comp);
% Forbidding MgSO4 in the check below avoids a problem in
% application of the EOS for low-salinity MgSO4 oceans.
% Negative thermal expansivity regions in the MgSO4 EOS may be
% artifacts of the current EOS calculation. See Vance et al. 2014
if alpha_o<=0 && ~strcmp(Planet.Ocean.comp,'MgSO4') && ~Planet.ALLOW_NEGALPHA
disp('Ocean alpha at ice interface is less than zero. adjusting temperature upward.')
disp('This means there''s a conductive layer at the interface with thickness inversely proportional to the heat flow.')
disp('The thickness is likely less than a few 100 m. See Melosh et al. 2004.')
Tnew = fzero(@(T) alphaAdjust(P_MPa(ill),T,wo,Planet.Ocean.comp),273);
disp(['The new temperature is ' num2str(Tnew) ', or delta T = ' num2str(Tnew-T_K(ill-1)) '.'])
T_K(ill)=Tnew;
else
T_K(ill) = T_K(ill-1)+ alpha_o*T_K(ill-1)./(Cp(ill-1))./(rho_ocean)*deltaP*1e6; %adiabatic gradient in ocean; this introduces an error, in that we are using the temperature from the previous step
end
alpha_K(ill) = alpha_o;
rho_kgm3(ill) = fluidEOS(P_MPa(ill),T_K(ill),wo,Planet.Ocean.comp); % to be deleted
% [rho_ocean,Cp(ill),alpha_o]= fluidEOS(P_MPa(ill),T_K(ill-1),wo,Planet.Ocean.comp);% THIS IS REDUNDANT TO THE CALCULATION OF RHO_OCEAN ABOVE
else %% HPIceLayers
% allow for stable dense fluid under high pressure ice --> this
% was added for the callisto study. Commented out currently
rhoice = getRhoIce(P_MPa(ill),T_K(ill-1),phase(ill));
% rhoocean = fluidEOS(P_MPa(ill),T_K(ill-1),wo,Planet.Ocean.comp);
% if rhoocean>=rhoice
% phase(ill)=0;
% end
if ~isfield(Planet.Ocean,'fnTfreeze_K')
if il==6
x = 1;
end
T_K(ill) = getTfreeze(P_MPa(ill),wo,Planet.Ocean.comp,T_K(ill-1)); %find the temperature on the liquidus line corresponding to P(k,i+nIceI); should really use a conductive profile here, but that would seem to naturally bring us back to the liquidus. Steve wants to confirm.
else
T_K(ill) = Planet.Ocean.fnTfreeze_K(P_MPa(ill),wo);
end
if T_K(ill)<T_K(ill-1)
T_K(ill)=T_K(ill-1); % this may no longer be needed because negalpha is accounted for above -- sincerely, steve 6/15/21
end
rho_kgm3(ill) = getRhoIce(P_MPa(ill),T_K(ill),phase(ill));
% [rho_ocean,Cp(ill),alpha_o]=
% fluidEOS(P_MPa(ill),T_K(ill-1),wo,Planet.Ocean.comp);
% % this is odd and doesn't seem to be needed--steve
% 6/15/21
[Cp(ill), alpha_K(ill)]= getCpIce(P_MPa(ill),T_K(ill),phase(ill));
end
end
% MJS 2021-10-29: I don't think these lines are important or do
% anything substantial. Both quantities are recalculated
% aplenty in the next loops. This was being done just before
% saving/reloading in the master branch before now.
rho_kgm3(1) = rho_kgm3(2); % continuity
Cp(1)=Cp(2);
%%%%%%%%%%%%%%%%%%%%%
% convert to depth —- PlanetDepths
%%%%%%%%%%%%%%%%%%%
%% calculate gravity in each layer instead of assuming surface gravity applies.
% allocate variables
%% HydrosphereDepths
deltaP = Pb_MPa/(n_iceI+n_clath);
% calculates depth for clathrates and ice separatly so the depths
% can be recorded accurately
for il = 2:(n_clath)
% calculate depth
z_m(il) = z_m(il-1)+ (P_MPa(il)-P_MPa(il-1))*1e6/g_ms2(il-1)/rho_kgm3(il-1);
% convert to radius
r_m(il) = Planet.R_m-z_m(il);
% determine local gravity
M_above_kg(il) = M_above_kg(il-1) + 4/3*pi*(r_m(il-1)^3-r_m(il)^3)*rho_kgm3(il);
M_below_kg(il) = Planet.M_kg-M_above_kg(il);
g_ms2(il) = Gg*M_below_kg(il)/r_m(il)^2;
end
%checks if there were clathrates or not
if n_clath>0
ii=n_clath+1;
Zclath=z_m(n_clath);
Planet.Zclath=Zclath;
else
ii=2;
Zclath=0;
Planet.Zclath=0;
end
for il = ii:(n_clath+n_iceI)
% calculate depth
z_m(il) = z_m(il-1)+ (P_MPa(il)-P_MPa(il-1))*1e6/g_ms2(il-1)/rho_kgm3(il-1);
% convert to radius
r_m(il) = Planet.R_m-z_m(il);
% determine local gravity
M_above_kg(il) = M_above_kg(il-1) + 4/3*pi*(r_m(il-1)^3-r_m(il)^3)*rho_kgm3(il);
M_below_kg(il) = Planet.M_kg-M_above_kg(il);
g_ms2(il) = Gg*M_below_kg(il)/r_m(il)^2;
end
if isempty(il)
zb_outerIce_m=z_m(ii-1);
Planet.zb_outerIce_m=zb_outerIce_m;
else
zb_outerIce_m=z_m(il);
Planet.zb_outerIce_m=zb_outerIce_m;
end
deltaP = (Params.Pseafloor_MPa-Pb_MPa)/n_ocean; %
for il = 1:n_ocean
ill = il+(n_iceI+n_clath);
%calculate depth
dz = deltaP*1e6/g_ms2(il-1+(n_iceI+n_clath))/rho_kgm3(ill);
z_m(ill) = z_m(il-1+(n_iceI+n_clath))+ dz; % using the previous gravity step, since we haven't calculated the present step. this introduces an error
% convert to radius
r_m(ill) = Planet.R_m-z_m(ill);
% determine local gravity
M_above_kg(ill) = M_above_kg(il-1+(n_iceI+n_clath))+4/3*pi*((r_m(ill)+dz)^3-r_m(ill)^3)*rho_kgm3(ill);
M_below_kg(ill) = Planet.M_kg-M_above_kg(ill);
g_ms2(ill) = Gg*M_below_kg(ill)/r_m(ill)^2;
end
disp(['z_iceI: ' num2str(zb_outerIce_m/1e3) ' km'])
z_ocean_m= z_m(n_ocean); % depth to the ocean
%% compute conductive heat through the ice I layer
Qb = D_conductivityIh*log(Planet.Tb_K/Planet.Tsurf_K)/Planet.zb_outerIce_m;
%% compute solid state convection ice
% We use these values much later, but we need them to construct
% the filename shortly, so we calculate them now. This allows
% us to skip unnecessary calculations in the case of
% cfg.SKIP_PROFILES=1
if max_clath_depth<Planet.zb_outerIce_m % only a clathrate lid
% asummes Q across ice-ocean is same Q across clathrates/ice.
% The below line updated per A. Marusiak 2023-01-21
[Q_Wm2(iT), T_clath_ice(iT), deltaTBL_m(iT),eTBL_m(iT),Tc(iT)]= ...
clathrate_lid_thermo(Planet.Tsurf_K,Planet.Tb_K(iT),PbI_MPa(iT)/2, max_clath_depth);
else
[Q_Wm2,deltaTBL_m,eTBL_m,Tc,rhoIce,alphaIce,CpIce,kIce,nu,CONVECTION_FLAG_I]=...
ConvectionDeschampsSotin2001(Planet.Tsurf_K,Planet.Tb_K,PbI_MPa/2,Planet.zb_outerIce_m,g_ms2(1),phase(1)+1);
end
% Make this calculation now in order to get Planet.Qmantle_Wm2 for making
% filenames shortly
if CONVECTION_FLAG_I && eTBL_m>zb_outerIce_m
warning('Convection predicted but not possible because the conductive layer thickness exceeds the thickness of the ice.')
disp('Perhaps T_surf is outside the valid range for the scaling from Deschamps and Sotin 2001.')
disp('Setting CONVECTION_FLAG_I to zero')
CONVECTION_FLAG_I = 0;
end
% Convection has to be calculated prior to assigning depths in case
% ice shell needs to be thinned to account for clathrates
if CONVECTION_FLAG_I
%conductive upper layer
nConvectIce=(n_iceI+n_clath)-nIceIIILithosphere-1; % indices where ice/claths exist in upper layer
nconold=nConvectIce;
if max_clath_depth<Planet.zb_outerIce_m
%eTBL_m=eTBL_m+max_clath_depth; fixed in new
%version
T_K(1:n_clath)=linspace(Planet.Tsurf_K,T_clath_ice,n_clath);
inds_eTBL = find(z_m(n_clath:nConvectIce)<=eTBL_m);
if ~isempty(inds_eTBL)
inds_eTBL=inds_eTBL +n_clath;
if length(inds_eTBL)>1
Pterm =(P_MPa(inds_eTBL)-P_MPa(inds_eTBL(1)))./(P_MPa(inds_eTBL(end))-P_MPa(inds_eTBL(1)));
T_K(inds_eTBL) = (Tc.^(Pterm)).*(T_clath_ice.^(1-Pterm));
else
T_K(inds_eTBL)=T_clath_ice+Q_Wm2./kIce.*(z_m(inds_eTBL)-z_m(inds_eTBL-1));
end
else
inds_eTBL=n_clath;
end
else
inds_eTBL = find(z_m(1:nConvectIce)<=eTBL_m);
Pterm = P_MPa(inds_eTBL)./P_MPa(inds_eTBL(end));
if phase(inds_eTBL(1))==1
T_K(inds_eTBL) = (Tc.^(Pterm)).*(Planet.Tsurf_K.^(1-Pterm));
elseif phase(inds_eTBL(1))==30;
T_K(1:inds_eTBL(end))=linspace(Planet.Tsurf_K,Tc,length(inds_eTBL));
end
end
rho_kgm3(1:inds_eTBL(end))=getRhoIce(P_MPa(1:inds_eTBL(end)),T_K(1:inds_eTBL(end)),phase(1:inds_eTBL(end)));
P_bound=P_MPa(inds_eTBL(end));
T_K_ccbound=T_K(inds_eTBL(end));
%convective region
for iconv = inds_eTBL(end)+1:nConvectIce % added parentheses around 1:nConvectIce 20200103 SDV
rho_kgm3(iconv)=getRhoIce(P_MPa(iconv),T_K(iconv-1),phase(iconv));
if POROUS_ICE % adjust if porosity needs to be considered
por_in.p=P_MPa(iconv)*1e-3;
por_in.t = T_K(iconv-1);
por_in.den = rho;
if isfield(Planet,'phi_surface')
por_out = get_porosity_ice(por_in,Planet.phi_surface);
else
por_out =get_porosity_ice(por_in);
end
rho = por_out.den;
phi = pot_out.por;
else
phi = 0;
end
%[Cp(iconv), alpha_K(iconv)] = getCpIce(P_MPa(iconv),T_K(iconv-1),1);
if phase(iconv)==1 % if water ice, use SeaFreeze otherwise use Helgeurd.
cpout=SeaFreeze([P_MPa(iconv),T_K(iconv-1)],'Ih');
alpha_K(iconv)=cpout.alpha;
Cp(iconv)=cpout.Cp;
else
cpout=Helgerud_sI(P_MPa(iconv),T_K(iconv-1));
[Cp(iconv) alpha_K(iconv)]= getCpIce(P_MPa(iconv),T_K(iconv-1),phase(iconv)) ;
alpha_K(iconv)=cpout.alpha; % use better alpha
end
%aK = 1.56e-4; % thermal expansive? Switch and use SeaFreeze ( find clath values()
%T_K(iconv) = T_K(iconv-1)+alpha_K(iconv).*T_K(iconv)./Cp(iconv)./rho_kgm3(iconv)*deltaP*1e6;
% The line above replaced with the below if/else per A. Marusiak 2023-01-21
if n_clath>0
T_K(iconv)=Tc(iT);
else
T_K(iconv) = T_K(iconv-1)+alpha_K(iconv).*T_K(iconv)./Cp(iconv)./rho_kgm3(iconv)*deltaP*1e6;
end
% double check temperatures make sense
if strcmp(Planet.Ocean.comp,'NH3')
phase_test = getIcePhase(P_MPa(iconv),T_K(iconv-1),wo,Planet.Ocean.comp);%p = 0 for liquid, I for I, 2 for II, 3 for III, 5 for V and 6 for VI
else
phase_test=SF_WhichPhase([P_MPa(iconv),T_K(iconv)]);
end
if phase_test==0 % & n_clath>0
Planet.Tb_K=T_K(iconv);
%iconv=iconv-2;
Zm_break=z_m(iconv); % saves the depth at which is broked
zb_outerIce_m=Zm_break; % new ice depth is saved
Zdiff=z_m(nConvectIce)-Zm_break; % change in depth
% previous convection layer
nConvectIce=iconv;% changes the indices for convection
%make adjustments to indices n_clath+n_ice+n_ocean
%should always be the same.
n_iceI = iconv - n_clath; % new ice layer is the last index-n_clath
if n_iceI<0
n_iceI = 0; % indicates entire ice shell would be clathrates
iconv = iconv-1;
Zclath = z_m(iconv);
end
n_ocean = nsteps - n_iceI - n_clath;% adds more indices to ocean
PbI_MPa=P_MPa(iconv);
Pb_MPa=P_MPa(iconv);
% alculate parameters
% [Q_Wm2_new,deltaTBL_m_new,eTBL_m_new,Tc_new,rhoIce,alphaIce,CpIce,kIce,nu,CONVECTION_FLAG_I]=...
% ConvectionDeschampsSotin2001(Planet.Tsurf_K,Planet.Tb_K,PbI_MPa/2,zb_outerIce_m,g_ms2(1),phase(iconv)+1);
inds_deltaTBL = find(z_m(1:nConvectIce)>=z_m(nConvectIce)-deltaTBL_m);
T_K(inds_deltaTBL) = (Planet.Tb_K.^(P_MPa(inds_deltaTBL)./PbI_MPa)).*(T_K(inds_deltaTBL(1)-1).^(1-P_MPa(inds_deltaTBL)./PbI_MPa));
% %
%
deltaP = (Params.Pseafloor_MPa-Pb_MPa)/n_ocean; % in case PbMPa changed
% recalculate ocean
for il=1:n_ocean
ill=il+inds_deltaTBL(end);
% adjust for new ocean layers if necessary
P_MPa(ill) = Pb_MPa + il*deltaP;
[rho_ocean,Cp(ill),alpha_o]= fluidEOS(P_MPa(ill),T_K(ill-1),wo,Planet.Ocean.comp);
if alpha_o<=0
disp('Ocean alpha at ice interface is less than zero. adjusting temperature upward.')
disp('This means there''s a conductive layer at the interface with thickness inversely proportional to the heat flow.')
disp('The thickness is likely less than a few 100 m. See Melosh et al. 2004.')
Tnew = fzero(@(T) alphaAdjust(P_MPa(ill),T,wo,Planet.Ocean.comp),273);
disp(['The new temperature is ' num2str(Tnew) ', or delta T = ' num2str(Tnew-T_K(ill-1)) '.'])
T_K(ill)=Tnew;
else
T_K(ill) = T_K(ill-1)+ alpha_o*T_K(ill-1)./(Cp(ill))./(rho_ocean)*deltaP*1e6; %adiabatic gradient in ocean; this introduces an error, in that we are using the temperature from the previous step
end
phase(ill) = getIcePhase(P_MPa(ill),T_K(ill-1),wo,Planet.Ocean.comp);%p = 0 for liquid, I for I, 2 for II, 3 for III, 5 for V and 6 for VI
if phase(ill)==0
rho_kgm3(ill) = rho_ocean;
[rho_ocean,Cp(ill),alpha_o]= fluidEOS(P_MPa(ill),T_K(ill-1),wo,Planet.Ocean.comp);
alpha_K(ill) = alpha_o;
else
rho_kgm3(ill) = getRhoIce(P_MPa(ill),T_K(ill),phase(ill));
if ~isfield(Planet.Ocean,'fnTfreeze_K')
T_K(ill) = getTfreeze(P_MPa(ill),wo,Planet.Ocean.comp,T_K(ill-1)); %find the temperature on the liquidus line corresponding to P(k,i+nIceI); should really use a conductive profile here, but that would seem to naturally bring us back to the liquidus. Steve wants to confirm.
else
T_K(ill) = Planet.Ocean.fnTfreeze_K(P_MPa(ill),wo);
end
if T_K(ill)<T_K(ill-1)
T_K(ill) = T_K(ill-1);
end
[Cp(ill), alpha_K(ill)]= getCpIce(P_MPa(iconv),T_K(iconv-1),phase(ill)) ;
end
end
z_ocean_m=z_m(ill);
break
end
phi_hydro_frac(iconv) = phi;
end
if nconold==nConvectIce
% bottom layer of conduction, recalculates for phase at bottom
[Q_Wm2,deltaTBL_m,eTBL_m,Tc,rhoIce,alphaIce,CpIce,kIce,nu,CONVECTION_FLAG_I]=...
ConvectionDeschampsSotin2001(Planet.Tsurf_K,Planet.Tb_K,PbI_MPa/2,zb_outerIce_m,g_ms2(1),phase(iconv)+1);
inds_deltaTBL = find(z_m(1:nConvectIce)>=z_m(nConvectIce)-deltaTBL_m);
%
%
T_K(inds_deltaTBL) = (Planet.Tb_K.^(P_MPa(inds_deltaTBL)./PbI_MPa)).*(T_K(inds_deltaTBL(1)-1).^(1-P_MPa(inds_deltaTBL)./PbI_MPa));
% end
rho_kgm3(inds_deltaTBL) = getRhoIce(P_MPa(inds_deltaTBL),T_K(inds_deltaTBL),phase(inds_deltaTBL));
%[Cp(inds_deltaTBL) alpha_K(inds_deltaTBL)]= getCpIce(P_MPa(iconv),T_K(iconv-1),phase(inds_deltaTBL)) ;
z_ocean_m= z_m(inds_deltaTBL(end)+1);
if POROUS_ICE
por_in.p=P_MPa(inds_deltaTBL)*1e-3;
por_in.t = T_K(inds_deltaTBL);
por_in.den = rho_kgm3(inds_deltaTBL);
if isfield(Planet,'phi_surface')
por_out = get_porosity_ice(por_in,Planet.phi_surface);
else
por_out =get_porosity_ice(por_in);
end
rho_kgm3(inds_deltaTBL) = por_out.den;
phi_hydro_frac(inds_deltaTBL) = por_out.por;
end
end
else
z_ocean_m = zb_outerIce_m;
% if nconold==nConvectIce
% % bottom layer of conduction, recalculates for phase at bottom
% [Q_Wm2,deltaTBL_m,eTBL_m,Tc,rhoIce,alphaIce,CpIce,kIce,nu,CONVECTION_FLAG_I]=...
% ConvectionDeschampsSotin2001(Planet.Tsurf_K,Planet.Tb_K,PbI_MPa/2,zb_outerIce_m,g_ms2(1),phase(iconv)+1);
%
% inds_deltaTBL = find(z_m(1:nConvectIce)>=z_m(nConvectIce)-deltaTBL_m);
% %
% %
% T_K(inds_deltaTBL) = (Planet.Tb_K.^(P_MPa(inds_deltaTBL)./PbI_MPa)).*(T_K(inds_deltaTBL(1)-1).^(1-P_MPa(inds_deltaTBL)./PbI_MPa));
% % end
% rho_kgm3(inds_deltaTBL) = getRhoIce(P_MPa(inds_deltaTBL),T_K(inds_deltaTBL),phase(inds_deltaTBL));
% %[Cp(inds_deltaTBL) alpha_K(inds_deltaTBL)]= getCpIce(P_MPa(iconv),T_K(iconv-1),phase(inds_deltaTBL)) ;
%
%
% z_ocean_m= z_m(inds_deltaTBL(end)+1);
%
% if POROUS_ICE
% por_in.p=P_MPa(inds_deltaTBL)*1e-3;
% por_in.t = T_K(inds_deltaTBL);
% por_in.den = rho_kgm3(inds_deltaTBL);
% if isfield(Planet,'phi_surface')
% por_out = get_porosity_ice(por_in,Planet.phi_surface);
% else
% por_out =get_porosity_ice(por_in);
% end
%
% rho_kgm3(inds_deltaTBL) = por_out.den;
% end
% end
end % if CONVECTION_FLAG
if Planet.EQUIL_Q
if (~isfield(Params,'NO_ICEI_CONVECTION') || Params.NO_ICEI_CONVECTION == false) && ...
(CONVECTION_FLAG_I || (isfield(Params,'FORCE_ICEI_CONVECTION') && Params.FORCE_ICEI_CONVECTION == true))
Qmantle_Wm2 = Q_Wm2;
else
Qmantle_Wm2 = Qb;
end
else
Qmantle_Wm2 = 2.2e11/4/pi/Planet.R_m^2; % this is more reasonable for radiogenic only
end
Planet.Qmantle_Wm2 = Qmantle_Wm2;
deltaP = (Params.Pseafloor_MPa-Pb_MPa)/n_ocean; %
Planet.zClath_m = Zclath;
Planet.Profile_ID = ['Ts' num2str(Planet.Tsurf_K,'%0.0f') 'Zb' strLow num2str(Planet.zb_outerIce_m,'%0.0f') ...
'mQm' num2str(1000*Planet.Qmantle_Wm2,'%0.0f') 'mWm2_CMR2p' ...
num2str(10000*Planet.Cmeasured,'%0.0f') '_' thiseos];
Planet.Profile_fname = [savefile '_' char(Planet.Profile_ID)];
% end % ~Planet.NoH2O
% Assign electrical conductivities for the ocean
if cfg.CONDUCT
k_S_m = NaN*ones(size(P_MPa));
switch Planet.Ocean.comp
case 'MgSO4'
if wo==10 && isfield(Planet.Ocean,'Electrical') && strcmp(Planet.Ocean.Electrical,'Pan2020')
% use values from Pan et al. 2020
for iTb = 1:length(Planet.Tb_K)
thisP = P_MPa(iTb,phase(iTb,:)==0);
thisT = T_K(iTb,phase(iTb,:)==0);
for iP = 1:length(thisP)
kvals(iP) = getSigmaMgSO4_Pan(thisP(iP),thisT(iP));
end
k_S_m(iTb,phase(iTb,:)==0) = kvals;
end
else
% Extrapolation from Larionov 1984 to high concentration and low
% temperature
LarionovMgSO4 = getLarionov1984MgSO4Conductivities(1);
Pextrap = LarionovMgSO4.Pextrap_MPa;
Textrap = LarionovMgSO4.Textrap_K;
k_S_m_extrap = LarionovMgSO4.k_S_m_extrap_p01m;
[Pgg,Tgg]=meshgrid(Pextrap,Textrap);
for iTb = 1:length(Planet.Tb_K)
k_S_m(iTb,phase(iTb,:)==0) = interp2(Pextrap,Textrap,k_S_m_extrap,P_MPa(iTb,phase(iTb,:)==0),T_K(iTb,phase(iTb,:)==0),'spline') * conduct_scaling_MgSO4;
end
end
case 'Seawater'
if wo>2
for iTb = 1:length(Planet.Tb_K)
k_S_m(iTb,phase(iTb,:)==0)=swEOS.gsw.C(wo*ones(1,length(T_K(iTb,phase(iTb,:)==0))),T_K(iTb,phase(iTb,:)==0),P_MPa(iTb,phase(iTb,:)==0)*10);