source: issm/trunk-jpl/src/m/classes/SMBpdd.m@ 18950

Last change on this file since 18950 was 18950, checked in by lemorzad, 10 years ago

minor changes to PDD method
File size: 7.9 KB
Line 
1%SMBpdd Class definition
2%
3% Usage:
4% SMBpdd=SMBpdd();
5
6classdef SMBpdd
7 properties (SetAccess=public)
8 precipitation = NaN;
9 monthlytemperatures = NaN;
10 desfac = 0;
11 s0p = 0;
12 s0t = 0;
13 rlaps = 0;
14 rlapslgm = 0;
15 Pfac = NaN;
16 Tdiff = NaN;
17 sealev = NaN;
18 isdelta18o = 0;
19 delta18o = NaN;
20 delta18o_surface = NaN;
21 temperatures_presentday = NaN;
22 temperatures_lgm = NaN;
23 precipitations_presentday = NaN;
24 precipitations_lgm = NaN;
25 end
26 methods
27 function obj = SMBpdd(varargin) % {{{
28 switch nargin
29 case 0
30 obj=setdefaultparameters(obj);
31 otherwise
32 error('constructor not supported');
33 end
34 end % }}}
35 function self = extrude(self,md) % {{{
36
37 self.precipitation=project3d(md,'vector',self.precipitation,'type','node');
38 self.monthlytemperatures=project3d(md,'vector',self.monthlytemperatures,'type','node');
39 if(self.isdelta18o),self.temperatures_lgm=project3d(md,'vector',self.temperatures_lgm,'type','node');end
40 if(self.isdelta18o),self.temperatures_presentday=project3d(md,'vector',self.temperatures_presentday,'type','node');end
41 if(self.isdelta18o),self.precipitations_presentday=project3d(md,'vector',self.precipitations_presentday,'type','node');end
42 if(self.isdelta18o),self.precipitations_lgm=project3d(md,'vector',self.precipitations_lgm,'type','node');end
43
44
45 end % }}}
46 function self = initialize(self,md) % {{{
47
48 if isnan(self.precipitation),
49 self.precipitation=zeros(md.mesh.numberofvertices,1);
50 disp(' no SMBpdd.precipitation specified: values set as zero');
51 end
52
53 end % }}}
54 function obj = setdefaultparameters(obj) % {{{
55
56 obj.isdelta18o = 0;
57 obj.desfac = 0.5;
58 obj.s0p = 0;
59 obj.s0t = 0;
60 obj.rlaps = 6.5;
61 obj.rlapslgm = 6.5;
62
63 end % }}}
64 function md = checkconsistency(obj,md,solution,analyses) % {{{
65
66 if ismember(MasstransportAnalysisEnum(),analyses),
67 md = checkfield(md,'fieldname','surfaceforcings.desfac','<=',1,'numel',1);
68 md = checkfield(md,'fieldname','surfaceforcings.s0p','>=',0,'numel',1);
69 md = checkfield(md,'fieldname','surfaceforcings.s0t','>=',0,'numel',1);
70 md = checkfield(md,'fieldname','surfaceforcings.rlaps','>=',0,'numel',1);
71 md = checkfield(md,'fieldname','surfaceforcings.rlapslgm','>=',0,'numel',1);
72 md = checkfield(md,'fieldname','surfaceforcings.Pfac','NaN',1,'size',[2,NaN]);
73 md = checkfield(md,'fieldname','surfaceforcings.Tdiff','NaN',1,'size',[2,NaN]);
74 md = checkfield(md,'fieldname','surfaceforcings.sealev','NaN',1,'size',[2,NaN]);
75 if(obj.isdelta18o==0)
76 md = checkfield(md,'fieldname','surfaceforcings.monthlytemperatures','forcing',1,'NaN',1);
77 md = checkfield(md,'fieldname','surfaceforcings.precipitation','forcing',1,'NaN',1);
78 else
79 md = checkfield(md,'fieldname','surfaceforcings.delta18o','NaN',1);
80 md = checkfield(md,'fieldname','surfaceforcings.delta18o_surface','NaN',1);
81 md = checkfield(md,'fieldname','surfaceforcings.temperatures_presentday','size',[md.mesh.numberofvertices+1 12],'NaN',1);
82 md = checkfield(md,'fieldname','surfaceforcings.temperatures_lgm','size',[md.mesh.numberofvertices+1 12],'NaN',1);
83 md = checkfield(md,'fieldname','surfaceforcings.precipitations_presentday','size',[md.mesh.numberofvertices+1 12],'NaN',1);
84 md = checkfield(md,'fieldname','surfaceforcings.precipitations_lgm','size',[md.mesh.numberofvertices+1 12],'NaN',1);
85 end
86 end
87 end % }}}
88 function disp(obj) % {{{
89 disp(sprintf(' surface forcings parameters:'));
90
91 disp(sprintf('\n PDD and deltaO18 parameters:'));
92 fielddisplay(obj,'isdelta18o','is temperature and precipitation delta18o parametrisation activated (0 or 1, default is 0)');
93 fielddisplay(obj,'desfac','desertification elevation factor (between 0 and 1, default is 0.5) [m]');
94 fielddisplay(obj,'s0p','should be set to elevation from precip source (between 0 and a few 1000s m, default is 0) [m]');
95 fielddisplay(obj,'s0t','should be set to elevation from temperature source (between 0 and a few 1000s m, default is 0) [m]');
96 fielddisplay(obj,'rlaps','present day lapse rate [degree/km]');
97 fielddisplay(obj,'rlapslgm','LGM lapse rate [degree/km]');
98 fielddisplay(obj,'Pfac','time interpolation parameter for precipitation, 1D(year)');
99 fielddisplay(obj,'Tdiff','time interpolation parameter for temperature, 1D(year)');
100 fielddisplay(obj,'sealev','sea level [m], 1D(year)');
101 fielddisplay(obj,'monthlytemperatures',['CURRENTLY NOT USED monthly surface temperatures [K], required if pdd is activated and delta18o not activated']);
102 fielddisplay(obj,'precipitation',['CURRENTLY NOT USED monthly surface precipitation [m/yr water eq]']);
103 fielddisplay(obj,'temperatures_presentday','monthly present day surface temperatures [K], required if pdd is activated and delta18o activated');
104 fielddisplay(obj,'temperatures_lgm','monthly LGM surface temperatures [K], required if pdd is activated and delta18o activated');
105 fielddisplay(obj,'precipitations_presentday','monthly surface precipitation [m/yr water eq], required if pdd is activated and delta18o activated');
106 fielddisplay(obj,'precipitations_lgm','monthly surface precipitation [m/yr water eq], required if pdd is activated and delta18o activated');
107 fielddisplay(obj,'delta18o','delta18o, required if pdd is activated and delta18o activated');
108 fielddisplay(obj,'delta18o_surface','surface elevation of the delta18o site, required if pdd is activated and delta18o activated');
109
110 end % }}}
111 function marshall(obj,md,fid) % {{{
112
113 yts=365.0*24.0*3600.0;
114
115 WriteData(fid,'enum',SurfaceforcingsEnum(),'data',SMBpddEnum(),'format','Integer');
116
117 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','precipitation','format','DoubleMat','mattype',1,'scale',1./yts,'forcinglength',md.mesh.numberofvertices+1);
118 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','desfac','format','Double');
119 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','s0p','format','Double');
120 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','s0t','format','Double');
121 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','rlaps','format','Double');
122 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','rlapslgm','format','Double');
123 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','Pfac','format','DoubleMat','mattype',1);
124 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','Tdiff','format','DoubleMat','mattype',1);
125 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','sealev','format','DoubleMat','mattype',1);
126 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','isdelta18o','format','Boolean');
127 if obj.isdelta18o
128 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','temperatures_presentday','format','DoubleMat','mattype',1);
129 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','temperatures_lgm','format','DoubleMat','mattype',1);
130 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','precipitations_presentday','format','DoubleMat','mattype',1);
131 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','precipitations_lgm','format','DoubleMat','mattype',1);
132 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','delta18o_surface','format','DoubleMat','mattype',1);
133 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','delta18o','format','DoubleMat','mattype',1);
134 else
135 WriteData(fid,'object',obj,'class','surfaceforcings','fieldname','monthlytemperatures','format','DoubleMat','mattype',1,'forcinglength',md.mesh.numberofvertices+1);
136 end
137 end % }}}
138 end
139end
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