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source: issm/trunk-jpl/src/m/classes/SMBsemic.m@ 27583

Last change on this file since 27583 was 27583, checked in by inwoo, 2 years ago
CHG: SMBsemic.m - update initialize function.
File size: 17.3 KB

Rev	Line
[23540]	1	%SMBsemic Class definition
	2	%
	3	% Usage:
	4	% SMBsemic=SMBsemic();
	5
	6	classdef SMBsemic
[24240]	7	properties (SetAccess=public)
[23540]	8	dailysnowfall = NaN;
	9	dailyrainfall = NaN;
	10	dailydsradiation = NaN;
	11	dailydlradiation = NaN;
	12	dailywindspeed = NaN;
	13	dailypressure = NaN;
[27453]	14	dailyairdensity = NaN;
[23540]	15	dailyairhumidity = NaN;
	16	dailytemperature = NaN;
[27498]	17	Tamp = NaN;
	18	mask = NaN;
	19	hice = NaN;
	20	hsnow = NaN;
[23540]	21	desfac = 0;
[27498]	22	desfacElevation = 0;
[27453]	23	rlaps = 0;
[23540]	24	rdl = 0;
[27453]	25	s0gcm = NaN;
	26	steps_per_step = 1;
	27	averaging = 0;
	28	requested_outputs = {};
[27498]	29
	30	hcrit = 0;
	31	rcrit = 0;
	32
	33	% albedo
[27513]	34	albedo = 0; % required for first energy balance calculation of SEMIC
	35	albedo_snow = 0; % required for ISBA method
[27511]	36	albedo_scheme = 0;
[27498]	37	alb_smax = NaN;
	38	alb_smin = NaN;
	39	albi = NaN;
	40	albl = NaN;
	41
[27511]	42	% albedo parameters depending on albedo_scheme
	43	% for slater
	44	tmin = NaN;
	45	tmax = NaN;
	46
	47	% for isba & denby method
	48	mcrit = NaN;
	49
	50	% for isba
	51	tau_a = NaN;
	52	tau_f = NaN;
	53	wcrit = NaN;
	54
	55	% for alex
	56	tmid = NaN;
	57	afac = NaN;
	58
[27498]	59	% method
[27511]	60	ismethod = 0;
[23540]	61	end
	62	methods
	63	function self = SMBsemic(varargin) % {{{
	64	switch nargin
	65	case 0
	66	self=setdefaultparameters(self);
	67	otherwise
	68	error('constructor not supported');
	69	end
	70	end % }}}
	71	function self = extrude(self,md) % {{{
	72	self.dailysnowfall=project3d(md,'vector',self.dailysnowfall,'type','node');
	73	self.dailyrainfall=project3d(md,'vector',self.dailyrainfall,'type','node');
	74	self.dailydsradiation=project3d(md,'vector',self.dailydsradiation,'type','node');
	75	self.dailydlradiation=project3d(md,'vector',self.dailydlradiation,'type','node');
	76	self.dailywindspeed=project3d(md,'vector',self.dailywindspeed,'type','node');
	77	self.dailypressure=project3d(md,'vector',self.dailypressure,'type','node');
	78	self.dailyairdensity=project3d(md,'vector',self.dailyairdensity,'type','node');
	79	self.dailyairhumidity=project3d(md,'vector',self.dailyairhumidity,'type','node');
	80	self.dailytemperature=project3d(md,'vector',self.dailytemperature,'type','node');
	81	self.s0gcm=project3d(md,'vector',self.s0gcm,'type','node');
	82
	83	end % }}}
	84	function list = defaultoutputs(self,md) % {{{
[27403]	85	list = {'SmbMassBalance'};
[23540]	86	end % }}}
[27511]	87	function list = outputlists(self,md) % {{{
	88	if self.ismethod == 1
	89	list = {'SmbMassBalance','SmbMassBalanceSnow','SmbMelt','SmbAccumulation',...
	90	'SmbHIce','SmbHSnow','SmbAlbedo','SmbAlbedoSnow','TemperatureSEMIC'};
	91	else
	92	list = {'SmbMassBalance'};
	93	end
	94	end % }}}
[23540]	95	function self = initialize(self,md) % {{{
[27583]	96	% Explain
	97	% initialize SEMIC smb values, such as s0gcm(surface elevation), albedo,
	98	% albedo_snow, hice, hsnow, Tamp... values.
	99	%
	100	%
	101	% Usage
	102	% md.smb = initialize(md.smb,md);
[23540]	103
	104	if isnan(self.s0gcm),
[27583]	105	if ~isnan(md.geometry.surface) & (numel(md.geometry.surface) == md.mesh.numberofvertices)
	106	self.s0gcm=md.geometry.surface;
	107	disp(' no SMBsemic.s0gcm specified: values from md.geometry.surface');
	108	else
	109	self.s0gcm=zeros(md.mesh.numberofvertices,1);
	110	disp(' no SMBsemic.s0gcm specified: values set as zero');
	111	end
[23540]	112	end
[27583]	113	if isnan(self.mask),
	114	self.mask = 2*ones(md.mesh.numberofvertices,1);
	115	disp(' no SMBsemic.mask specified: values set as 2 for ice');
	116	end
	117
	118	% update each values.
	119	if isnan(self.Tamp)
	120	self.Tamp= 3*ones(md.mesh.numberofvertices,1);
	121	disp(' no SMBsemic.Tamp specified: values set as 3.0');
	122	end
	123	self.albedo = 0.8*ones(md.mesh.numberofvertices,1);
	124	self.albedo_snow= 0.5*ones(md.mesh.numberofvertices,1);
	125	self.hice = 10*ones(md.mesh.numberofvertices,1);
[27498]	126	self.hsnow = 5*ones(md.mesh.numberofvertices,1);
[23540]	127	end % }}}
	128	function self = setdefaultparameters(self) % {{{
	129
[27511]	130	% albedo parameters
[27498]	131	self.albedo_scheme = 0;
	132	self.alb_smax = 0.79;
	133	self.alb_smin = 0.6;
	134	self.albi = 0.41;
	135	self.albl = 0.07;
	136
[27511]	137	% albedo parameters for?
	138	% for slater
	139	self.tmin = 263.15;
	140	self.tmax = 273.15;
	141	% for isba & denby
	142	self.mcrit = 6e-8;
	143	% for isba
	144	self.tau_a = 0.008;
	145	self.tau_f = 0.24;
	146	self.wcrit = 15.0;
	147	% for alex
	148	self.tmid = 273.35;
	149	self.afac = -0.18;
	150
[27498]	151	self.hcrit = 0.028;% from Krapp et al. (2017)
	152	self.rcrit = 0.85; % from Krapp et al. (2017)
	153
	154	self.desfac = -log(2.0)/1000;
	155	self.desfacElevation = 2000;
	156	self.rlaps = 7.4;
	157	self.rdl = 0.29;
	158
	159	self.ismethod = 0;
[27409]	160	self.requested_outputs={'default'};
[27513]	161	end % }}}
[23540]	162	function md = checkconsistency(self,md,solution,analyses) % {{{
	163
	164	if ismember('MasstransportAnalysis',analyses),
	165	md = checkfield(md,'fieldname','smb.desfac','<=',1,'numel',1);
	166	md = checkfield(md,'fieldname','smb.s0gcm','>=',0,'NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
	167	md = checkfield(md,'fieldname','smb.rlaps','>=',0,'numel',1);
	168	md = checkfield(md,'fieldname','smb.rdl','>=',0,'numel',1);
	169	md = checkfield(md,'fieldname','smb.dailysnowfall','timeseries',1,'NaN',1,'Inf',1);
	170	md = checkfield(md,'fieldname','smb.dailyrainfall','timeseries',1,'NaN',1,'Inf',1);
	171	md = checkfield(md,'fieldname','smb.dailydsradiation','timeseries',1,'NaN',1,'Inf',1);
	172	md = checkfield(md,'fieldname','smb.dailydlradiation','timeseries',1,'NaN',1,'Inf',1);
	173	md = checkfield(md,'fieldname','smb.dailywindspeed','timeseries',1,'NaN',1,'Inf',1);
	174	md = checkfield(md,'fieldname','smb.dailypressure','timeseries',1,'NaN',1,'Inf',1);
	175	md = checkfield(md,'fieldname','smb.dailyairdensity','timeseries',1,'NaN',1,'Inf',1);
	176	md = checkfield(md,'fieldname','smb.dailyairhumidity','timeseries',1,'NaN',1,'Inf',1);
	177	md = checkfield(md,'fieldname','smb.dailytemperature','timeseries',1,'NaN',1,'Inf',1);
[27498]	178
	179	% TODO: transient model should be merged with SEMIC developed by Ruckamp et al. (2018)
	180
	181	md = checkfield(md,'fieldname','smb.ismethod','numel',1,'values',[0,1]);
[27513]	182	if self.ismethod == 1 % transient mode
[27498]	183	md = checkfield(md,'fieldname','smb.desfacElevation','>=',0,'numel',1);
	184
	185	md = checkfield(md,'fieldname','smb.albedo_scheme','NaN',1,'Inf',1,'numel',1,'values',[0,1,2,3,4]);
	186	md = checkfield(md,'fieldname','smb.alb_smax','>=',0,'NaN',1,'Inf',1,'numel',1);
	187	md = checkfield(md,'fieldname','smb.mask','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices, 1],'values',[0,1,2]);
	188
	189	% initial values
	190	md = checkfield(md,'fieldname','smb.albedo','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices, 1]);
	191	md = checkfield(md,'fieldname','smb.albedo_snow','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices, 1]);
	192	md = checkfield(md,'fieldname','smb.alb_smax','>=',0,'<=',1,'NaN',1,'Inf',1,'numel',1);
	193	md = checkfield(md,'fieldname','smb.alb_smin','>=',0,'<=',1,'NaN',1,'Inf',1,'numel',1);
	194	md = checkfield(md,'fieldname','smb.albi','>=',0,'<=',1,'NaN',1,'Inf',1,'numel',1);
	195	md = checkfield(md,'fieldname','smb.albl','>=',0,'<=',1,'NaN',1,'Inf',1,'numel',1);
	196	md = checkfield(md,'fieldname','smb.hice','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices, 1]);
	197	md = checkfield(md,'fieldname','smb.hsnow','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices, 1]);
	198	end
[23540]	199	end
[24240]	200	md = checkfield(md,'fieldname','smb.steps_per_step','>=',1,'numel',[1]);
[24800]	201	md = checkfield(md,'fieldname','smb.averaging','numel',[1],'values',[0 1 2]);
[23540]	202	md = checkfield(md,'fieldname','smb.requested_outputs','stringrow',1);
	203
	204	end % }}}
	205	function disp(self) % {{{
	206	disp(sprintf(' surface forcings parameters:'));
[24240]	207
[23540]	208	disp(sprintf(' Interface for coupling GCM data to the energy balance model SEMIC (Krapp et al (2017) https://doi.org/10.5194/tc-11-1519-2017).'));
[24240]	209	disp(sprintf(' The implemented coupling uses daily mean GCM input to calculate yearly mean smb, accumulation, ablation, and surface temperature.'));
[23540]	210	disp(sprintf(' smb and temperatures are updated every year'));
	211	disp(sprintf('\n SEMIC parameters:'));
[24240]	212	fielddisplay(self,'dailysnowfall','daily surface dailysnowfall [m/s]');
[23540]	213	fielddisplay(self,'dailyrainfall','daily surface dailyrainfall [m/s]');
	214	fielddisplay(self,'dailydsradiation','daily downwelling shortwave radiation [W/m2]');
	215	fielddisplay(self,'dailydlradiation','daily downwelling longwave radiation [W/m2]');
[24240]	216	fielddisplay(self,'dailywindspeed','daily surface wind speed [m/s]');
[23540]	217	fielddisplay(self,'dailypressure','daily surface pressure [Pa]');
[24240]	218	fielddisplay(self,'dailyairdensity','daily air density [kg/m3]');
[23540]	219	fielddisplay(self,'dailyairhumidity','daily air specific humidity [kg/kg]');
	220	fielddisplay(self,'dailytemperature','daily surface air temperature [K]');
[27454]	221	fielddisplay(self,'rlaps','present day lapse rate (default is 7.4 [degree/km]; Erokhina et al. 2017)');
[23540]	222	fielddisplay(self,'desfac','desertification elevation factor (default is -log(2.0)/1000 [1/km]; Vizcaino et al. 2010)');
	223	fielddisplay(self,'rdl','longwave downward radiation decrease (default is 0.29 [W/m^2/km]; Marty et al. 2002)');
	224	fielddisplay(self,'s0gcm','GCM reference elevation; (default is 0) [m]');
[27498]	225
	226	fielddisplay(self,'ismethod','method for calculating SMB with SEMIC. Default version of SEMIC is really slow. 0: steady, 1: transient (default: 0)');
[27513]	227	if self.ismethod == 1 % transient mode
[27498]	228	fielddisplay(self,'desfacElevation','desertification elevation (default is 2000 m; Vizcaino et al. 2010)');
	229	fielddisplay(self,'Tamp','amplitude of diurnal cycle [K]');
	230	fielddisplay(self,'albedo','initial albedo [no unit]');
	231	fielddisplay(self,'albedo_snow','initial albedo for snow [no unit]');
	232	fielddisplay(self,'hice','initial thickness of ice [unit: m]');
	233	fielddisplay(self,'hsnow','initial thickness of snow [unit: m]');
	234	fielddisplay(self,'mask','masking for albedo. 0: ocean, 1: land, 2: ice (default: 2)');
	235	fielddisplay(self,'hcrit','critical snow height for albedo [unit: m]');
	236	fielddisplay(self,'rcrit','critical refreezing height for albedo [no unit]');
	237
	238	disp(sprintf('\nSEMIC albedo parameters.'));
	239	fielddisplay(self,'albedo_scheme','albedo scheme for SEMIC. 0: none, 1: slater, 2: isba, 3: denby, 4: alex (default is 0)');
[27504]	240	fielddisplay(self,'alb_smax','maximum snow albedo (default: 0.79)');
	241	fielddisplay(self,'alb_smin','minimum snow albedo (default: 0.6)');
[27513]	242	fielddisplay(self,'albi','background albedo for bare ice (default: 0.41)');
	243	fielddisplay(self,'albl','background albedo for bare land (default: 0.07)');
[27498]	244	end
[27513]	245	% albedo_scheme - 0: none, 1: slater, 2: isba, 3: denby, 4: alex.
[27511]	246	if self.albedo_scheme == 1
	247	disp(sprintf('\n\tSEMIC snow albedo parameters for Slater et al, (1998).'));
	248	disp(sprintf('\t alb = alb_smax - (alb_smax - alb_smin)*tm^(3.0)'))
	249	disp(sprintf('\t tm = 1 (tsurf > 273.15 K)'));
	250	disp(sprintf('\t tm = f*(tsurf-tmin) (tmin <= tsurf < 273.15)'));
	251	disp(sprintf('\t 0 (tsurf < tmin)'));
	252	disp(sprintf('\t f = 1/(273.15-tmin)'));
	253	fielddisplay(self,'tmin','minimum temperature for which albedo decline become effective. (default: 263.15 K)[unit: K])');
	254	fielddisplay(self,'tmax','maxmium temperature for which albedo decline become effective. This value should be fixed. (default: 273.15 K)[unit: K])');
	255	elseif self.albedo_scheme == 2,
	256	disp(sprintf('\n\tSEMIC snow albedo parameters for ISBA.? where is citation?'));
[27513]	257	fielddisplay(self,'mcrit','critical melt rate (default: 6e-8) [unit: m/sec]');
	258	fielddisplay(self,'wcrit','critical liquid water content (default: 15) [unit: kg/m2]');
[27511]	259	fielddisplay(self,'tau_a','dry albedo decline [unit: 1/day]');
	260	fielddisplay(self,'tau_f','wet albedo decline [unit: 1/day]');
	261	elseif self.albedo_scheme == 3,
	262	disp(sprintf('\n\tSEMIC snow albedo parameters for Denby et al. (2002 Tellus)'));
[27513]	263	fielddisplay(self,'mcrit','critical melt rate (default: 6e-8) [unit: m/sec]');
[27511]	264	elseif self.albedo_scheme == 4,
	265	disp(sprintf('\n\tSEMIC snow albedo parameters for Alex.?'));
	266	fielddisplay(self,'afac','[unit: ?]');
	267	fielddisplay(self,'tmid','[unit: ?]');
	268	else
	269	error(sprintf('ERROR: %d is not supported albedom scheme.',self.albedo_scheme))
	270	end
[27498]	271
[24240]	272	fielddisplay(self, 'steps_per_step', 'number of smb steps per time step');
[24793]	273	fielddisplay(self, 'averaging', 'averaging methods from short to long steps');
[24806]	274	disp(sprintf('%51s 0: Arithmetic (default)',' '));
	275	disp(sprintf('%51s 1: Geometric',' '));
	276	disp(sprintf('%51s 2: Harmonic',' '));
[23540]	277	fielddisplay(self,'requested_outputs','additional outputs requested');
	278	end % }}}
	279	function marshall(self,prefix,md,fid) % {{{
[24240]	280
[27453]	281	yts=md.constants.yts;
	282
[23540]	283	WriteData(fid,prefix,'name','md.smb.model','data',12,'format','Integer');
	284
[27498]	285	WriteData(fid,prefix,'object',self,'class','smb','fieldname','ismethod','format','Integer','values',[0, 1]);
[23540]	286	WriteData(fid,prefix,'object',self,'class','smb','fieldname','desfac','format','Double');
[27498]	287	WriteData(fid,prefix,'object',self,'class','smb','fieldname','desfacElevation','format','Double');
[23540]	288	WriteData(fid,prefix,'object',self,'class','smb','fieldname','s0gcm','format','DoubleMat','mattype',1);
	289	WriteData(fid,prefix,'object',self,'class','smb','fieldname','rlaps','format','Double');
	290	WriteData(fid,prefix,'object',self,'class','smb','fieldname','rdl','format','Double');
[27453]	291	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailysnowfall','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	292	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailyrainfall','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	293	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailydsradiation','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	294	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailydlradiation','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	295	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailywindspeed','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	296	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailypressure','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	297	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailyairdensity','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	298	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailyairhumidity','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
	299	WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailytemperature','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',yts);
[27498]	300	% TODO: transient mode should be merged with SEMIC developed by Ruckamp et al. (2018).
[27513]	301	if self.ismethod == 1% transient mode
[27498]	302	WriteData(fid,prefix,'object',self,'class','smb','fieldname','Tamp','format','DoubleMat','mattype',1);
	303	WriteData(fid,prefix,'object',self,'class','smb','fieldname','mask','format','DoubleMat','mattype',1);
	304	WriteData(fid,prefix,'object',self,'class','smb','fieldname','hice','format','DoubleMat','mattype',1);
	305	WriteData(fid,prefix,'object',self,'class','smb','fieldname','hsnow','format','DoubleMat','mattype',1);
	306
	307	WriteData(fid,prefix,'object',self,'class','smb','fieldname','hcrit','format','Double');
	308	WriteData(fid,prefix,'object',self,'class','smb','fieldname','rcrit','format','Double');
	309
[27513]	310	%albedo
[27498]	311	WriteData(fid,prefix,'object',self,'class','smb','fieldname','albedo','format','DoubleMat','mattype',1);
	312	WriteData(fid,prefix,'object',self,'class','smb','fieldname','albedo_snow','format','DoubleMat','mattype',1);
	313	WriteData(fid,prefix,'object',self,'class','smb','fieldname','albedo_scheme','format','Integer');
	314	WriteData(fid,prefix,'object',self,'class','smb','fieldname','albi','format','Double');
	315	WriteData(fid,prefix,'object',self,'class','smb','fieldname','albl','format','Double');
	316	WriteData(fid,prefix,'object',self,'class','smb','fieldname','alb_smin','format','Double');
	317	WriteData(fid,prefix,'object',self,'class','smb','fieldname','alb_smax','format','Double');
[27511]	318
[27513]	319	%albedo parameters for ?
[27511]	320	%for slater
	321	WriteData(fid,prefix,'object',self,'class','smb','fieldname','tmin','format','Double');
	322	WriteData(fid,prefix,'object',self,'class','smb','fieldname','tmax','format','Double');
	323	%for isba & denby
	324	WriteData(fid,prefix,'object',self,'class','smb','fieldname','mcrit','format','Double');
	325	%for isba
	326	WriteData(fid,prefix,'object',self,'class','smb','fieldname','wcrit','format','Double');
	327	WriteData(fid,prefix,'object',self,'class','smb','fieldname','tau_a','format','Double');
	328	WriteData(fid,prefix,'object',self,'class','smb','fieldname','tau_f','format','Double');
	329	%for alex
	330	WriteData(fid,prefix,'object',self,'class','smb','fieldname','tmid','format','Double');
	331	WriteData(fid,prefix,'object',self,'class','smb','fieldname','afac','format','Double');
[27498]	332	end
	333
[27453]	334	WriteData(fid,prefix,'object',self,'fieldname','steps_per_step','format','Integer');
	335	WriteData(fid,prefix,'object',self,'fieldname','averaging','format','Integer');
[27498]	336
[23540]	337	%process requested outputs
	338	outputs = self.requested_outputs;
	339	pos = find(ismember(outputs,'default'));
	340	if ~isempty(pos),
	341	outputs(pos) = []; %remove 'default' from outputs
	342	outputs = [outputs defaultoutputs(self,md)]; %add defaults
	343	end
	344	WriteData(fid,prefix,'data',outputs,'name','md.smb.requested_outputs','format','StringArray');
	345
	346	end % }}}
	347	end
	348	end

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