| 1 | %SMBsemic Class definition
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| 2 | %
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| 3 | % Usage:
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| 4 | % SMBsemic=SMBsemic();
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| 5 |
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| 6 | classdef SMBsemic
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| 7 | properties (SetAccess=public)
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| 8 | dailysnowfall = NaN;
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| 9 | dailyrainfall = NaN;
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| 10 | dailydsradiation = NaN;
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| 11 | dailydlradiation = NaN;
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| 12 | dailywindspeed = NaN;
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| 13 | dailypressure = NaN;
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| 14 | dailyairdensity = NaN;
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| 15 | dailyairhumidity = NaN;
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| 16 | dailytemperature = NaN;
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| 17 | desfac = 0;
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| 18 | rlaps = 0;
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| 19 | rdl = 0;
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| 20 | s0gcm = NaN;
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| 21 | steps_per_step = 1;
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| 22 | averaging = 0;
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| 23 | requested_outputs = {};
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| 24 | end
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| 25 | methods
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| 26 | function self = SMBsemic(varargin) % {{{
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| 27 | switch nargin
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| 28 | case 0
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| 29 | self=setdefaultparameters(self);
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| 30 | otherwise
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| 31 | error('constructor not supported');
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| 32 | end
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| 33 | end % }}}
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| 34 | function self = extrude(self,md) % {{{
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| 35 | self.dailysnowfall=project3d(md,'vector',self.dailysnowfall,'type','node');
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| 36 | self.dailyrainfall=project3d(md,'vector',self.dailyrainfall,'type','node');
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| 37 | self.dailydsradiation=project3d(md,'vector',self.dailydsradiation,'type','node');
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| 38 | self.dailydlradiation=project3d(md,'vector',self.dailydlradiation,'type','node');
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| 39 | self.dailywindspeed=project3d(md,'vector',self.dailywindspeed,'type','node');
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| 40 | self.dailypressure=project3d(md,'vector',self.dailypressure,'type','node');
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| 41 | self.dailyairdensity=project3d(md,'vector',self.dailyairdensity,'type','node');
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| 42 | self.dailyairhumidity=project3d(md,'vector',self.dailyairhumidity,'type','node');
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| 43 | self.dailytemperature=project3d(md,'vector',self.dailytemperature,'type','node');
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| 44 | self.s0gcm=project3d(md,'vector',self.s0gcm,'type','node');
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| 45 |
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| 46 | end % }}}
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| 47 | function list = defaultoutputs(self,md) % {{{
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| 48 | list = {''};
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| 49 | end % }}}
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| 50 | function self = initialize(self,md) % {{{
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| 51 |
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| 52 | if isnan(self.s0gcm),
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| 53 | self.s0gcm=zeros(md.mesh.numberofvertices,1);
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| 54 | disp(' no SMBsemic.s0gcm specified: values set as zero');
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| 55 | end
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| 56 |
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| 57 | end % }}}
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| 58 | function self = setdefaultparameters(self) % {{{
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| 59 |
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| 60 | self.desfac = -log(2.0)/1000;
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| 61 | self.rlaps = 7.4;
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| 62 | self.rdl = 0.29;
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| 63 |
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| 64 | end % }}}zo
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| 65 | function md = checkconsistency(self,md,solution,analyses) % {{{
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| 66 |
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| 67 | if ismember('MasstransportAnalysis',analyses),
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| 68 | md = checkfield(md,'fieldname','smb.desfac','<=',1,'numel',1);
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| 69 | md = checkfield(md,'fieldname','smb.s0gcm','>=',0,'NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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| 70 | md = checkfield(md,'fieldname','smb.rlaps','>=',0,'numel',1);
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| 71 | md = checkfield(md,'fieldname','smb.rdl','>=',0,'numel',1);
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| 72 | md = checkfield(md,'fieldname','smb.dailysnowfall','timeseries',1,'NaN',1,'Inf',1);
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| 73 | md = checkfield(md,'fieldname','smb.dailyrainfall','timeseries',1,'NaN',1,'Inf',1);
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| 74 | md = checkfield(md,'fieldname','smb.dailydsradiation','timeseries',1,'NaN',1,'Inf',1);
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| 75 | md = checkfield(md,'fieldname','smb.dailydlradiation','timeseries',1,'NaN',1,'Inf',1);
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| 76 | md = checkfield(md,'fieldname','smb.dailywindspeed','timeseries',1,'NaN',1,'Inf',1);
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| 77 | md = checkfield(md,'fieldname','smb.dailypressure','timeseries',1,'NaN',1,'Inf',1);
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| 78 | md = checkfield(md,'fieldname','smb.dailyairdensity','timeseries',1,'NaN',1,'Inf',1);
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| 79 | md = checkfield(md,'fieldname','smb.dailyairhumidity','timeseries',1,'NaN',1,'Inf',1);
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| 80 | md = checkfield(md,'fieldname','smb.dailytemperature','timeseries',1,'NaN',1,'Inf',1);
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| 81 | end
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| 82 | md = checkfield(md,'fieldname','smb.steps_per_step','>=',1,'numel',[1]);
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| 83 | md = checkfield(md,'fieldname','smb.averaging','numel',[1],'values',[0 1 2]);
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| 84 | md = checkfield(md,'fieldname','smb.requested_outputs','stringrow',1);
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| 85 |
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| 86 | end % }}}
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| 87 | function disp(self) % {{{
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| 88 | disp(sprintf(' surface forcings parameters:'));
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| 89 |
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| 90 | 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).'));
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| 91 | disp(sprintf(' The implemented coupling uses daily mean GCM input to calculate yearly mean smb, accumulation, ablation, and surface temperature.'));
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| 92 | disp(sprintf(' smb and temperatures are updated every year'));
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| 93 | disp(sprintf('\n SEMIC parameters:'));
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| 94 | fielddisplay(self,'dailysnowfall','daily surface dailysnowfall [m/s]');
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| 95 | fielddisplay(self,'dailyrainfall','daily surface dailyrainfall [m/s]');
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| 96 | fielddisplay(self,'dailydsradiation','daily downwelling shortwave radiation [W/m2]');
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| 97 | fielddisplay(self,'dailydlradiation','daily downwelling longwave radiation [W/m2]');
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| 98 | fielddisplay(self,'dailywindspeed','daily surface wind speed [m/s]');
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| 99 | fielddisplay(self,'dailypressure','daily surface pressure [Pa]');
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| 100 | fielddisplay(self,'dailyairdensity','daily air density [kg/m3]');
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| 101 | fielddisplay(self,'dailyairhumidity','daily air specific humidity [kg/kg]');
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| 102 | fielddisplay(self,'dailytemperature','daily surface air temperature [K]');
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| 103 | fielddisplay(self,'rlaps','present day lapse rate (default is 7.4 [degree/km]; )Erokhina et al. 2017)');
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| 104 | fielddisplay(self,'desfac','desertification elevation factor (default is -log(2.0)/1000 [1/km]; Vizcaino et al. 2010)');
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| 105 | fielddisplay(self,'rdl','longwave downward radiation decrease (default is 0.29 [W/m^2/km]; Marty et al. 2002)');
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| 106 | fielddisplay(self,'s0gcm','GCM reference elevation; (default is 0) [m]');
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| 107 | fielddisplay(self, 'steps_per_step', 'number of smb steps per time step');
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| 108 | fielddisplay(self, 'averaging', 'averaging methods from short to long steps');
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| 109 | disp(sprintf('%55s 0: Arithmetic (default)');
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| 110 | disp(sprintf('%55s 0: Geometric');
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| 111 | disp(sprintf('%55s 0: Harmonic');
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| 112 | fielddisplay(self,'requested_outputs','additional outputs requested');
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| 113 | end % }}}
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| 114 | function marshall(self,prefix,md,fid) % {{{
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| 115 |
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| 116 | WriteData(fid,prefix,'name','md.smb.model','data',12,'format','Integer');
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| 117 |
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| 118 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','desfac','format','Double');
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| 119 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','s0gcm','format','DoubleMat','mattype',1);
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| 120 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','rlaps','format','Double');
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| 121 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','rdl','format','Double');
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| 122 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailysnowfall','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 123 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailyrainfall','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 124 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailydsradiation','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 125 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailydlradiation','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 126 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailywindspeed','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 127 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailypressure','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 128 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailyairdensity','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 129 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailyairhumidity','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 130 | WriteData(fid,prefix,'object',self,'class','smb','fieldname','dailytemperature','format','DoubleMat','mattype',1,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
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| 131 | WriteData(fid, prefix, 'object', self, 'fieldname', 'steps_per_step', 'format', 'Integer');
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| 132 | WriteData(fid, prefix, 'object', self, 'fieldname', 'averaging', 'format', 'Integer');
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| 133 | %process requested outputs
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| 134 | outputs = self.requested_outputs;
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| 135 | pos = find(ismember(outputs,'default'));
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| 136 | if ~isempty(pos),
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| 137 | outputs(pos) = []; %remove 'default' from outputs
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| 138 | outputs = [outputs defaultoutputs(self,md)]; %add defaults
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| 139 | end
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| 140 | WriteData(fid,prefix,'data',outputs,'name','md.smb.requested_outputs','format','StringArray');
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| 141 |
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| 142 | end % }}}
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| 143 | end
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| 144 | end
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