| 1 |
clear all |
| 2 |
close all |
| 3 |
clc |
| 4 |
|
| 5 |
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 6 |
% Read in and reshape files |
| 7 |
fid = fopen('pickup.OLD.data','r','b'); |
| 8 |
pickupold = fread(fid,inf,'real*8'); |
| 9 |
fclose(fid); |
| 10 |
|
| 11 |
fid = fopen('pload.OLD.jmd95z','r','b'); |
| 12 |
ploadold = fread(fid,inf,'real*8'); |
| 13 |
fclose(fid); |
| 14 |
|
| 15 |
fid = fopen('shelftopo.OLDPIG.bin','r','b'); |
| 16 |
pigold=fread(fid,inf,'real*8'); |
| 17 |
fclose(fid); |
| 18 |
|
| 19 |
fid = fopen('shelftopo.OLDROUND.bin','r','b'); |
| 20 |
shelftopoold=fread(fid,inf,'real*8'); |
| 21 |
fclose(fid); |
| 22 |
|
| 23 |
nx=1; |
| 24 |
ny=200; |
| 25 |
nz=100; |
| 26 |
|
| 27 |
delz=10; |
| 28 |
|
| 29 |
dz = delz*ones(1,nz); |
| 30 |
zgp1 = [0,cumsum(dz)]; |
| 31 |
zc = .5*(zgp1(1:end-1)+zgp1(2:end)); |
| 32 |
zg = zgp1(1:end-1); |
| 33 |
dz = diff(zgp1); |
| 34 |
|
| 35 |
s3=nx*ny*nz; |
| 36 |
s2=nx*ny; |
| 37 |
|
| 38 |
olduvel=reshape(pickupold(1:s3),[nx ny nz]); |
| 39 |
oldvvel=reshape(pickupold(1+(1*s3):2*s3),[nx ny nz]); |
| 40 |
oldtheta=reshape(pickupold(1+2*s3:3*s3),[nx ny nz]); |
| 41 |
oldsalt=reshape(pickupold(1+3*s3:4*s3),[nx ny nz]); |
| 42 |
oldgunm1=reshape(pickupold(1+4*s3:5*s3),[nx ny nz]); |
| 43 |
oldgvnm1=reshape(pickupold(1+5*s3:6*s3),[nx ny nz]); |
| 44 |
oldetan=reshape(pickupold(1+6*s3:(6*s3)+(1*s2)),[nx ny]); |
| 45 |
olddetahdt=reshape(pickupold(1+6*s3+(1*s2):(6*s3)+(2*s2)),[nx ny]); |
| 46 |
oldetah=reshape(pickupold(1+6*s3+(2*s2):(6*s3)+(3*s2)),[nx ny]); |
| 47 |
|
| 48 |
shelftopoold=reshape(shelftopoold,[nx ny]); |
| 49 |
ploadold=reshape(ploadold,[nx ny]); |
| 50 |
pigold=reshape(pigold,[nx ny]); |
| 51 |
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 52 |
%Find where eta indicates a change in ice shelf topo above threshold. |
| 53 |
%Change eta, iceshelf topo and r0surfto reflect change in mesh |
| 54 |
|
| 55 |
threshold=5; |
| 56 |
[etax,etay] =find(oldetan>threshold); |
| 57 |
|
| 58 |
%Change single, not all cells >threshold |
| 59 |
%etax=etax(3); |
| 60 |
%etay=etay(3); |
| 61 |
|
| 62 |
for i = 1:size(etax,1) |
| 63 |
etaz(i)=((shelftopoold(etax(i),etay(i)))/10*-1)+1; |
| 64 |
end |
| 65 |
|
| 66 |
OLDX=etax; |
| 67 |
OLDY=etay; |
| 68 |
OLDZ=etaz; |
| 69 |
NEWZ=etaz-1; |
| 70 |
|
| 71 |
shelftoponew=shelftopoold; |
| 72 |
pignew=pigold; |
| 73 |
shelftoponew(etax,etay)=shelftopoold(etax,etay)+delz; |
| 74 |
pignew(etax,etay)=pigold(etax,etay)+delz; |
| 75 |
|
| 76 |
newetan=oldetan; |
| 77 |
newetan(etax,etay)=oldetan(etax,etay)-delz; |
| 78 |
|
| 79 |
newdetahdt=olddetahdt; |
| 80 |
%newetah=oldetah; |
| 81 |
newetah=newetan; |
| 82 |
|
| 83 |
ploadnew=ploadold; |
| 84 |
rhoConst = 1030; |
| 85 |
talpha = 2e-4; |
| 86 |
sbeta = 7.4e-4; |
| 87 |
gravity = 9.81; |
| 88 |
k=1; |
| 89 |
dzm = abs([zg(1)-zc(1) .5*diff(zc)]); |
| 90 |
dzp = abs([.5*diff(zc) zc(end)-zg(end)]); |
| 91 |
p = abs(zc)*gravity*rhoConst*1e-4; |
| 92 |
dp = p; |
| 93 |
kp = 0; |
| 94 |
eos = 'jmd95z'; |
| 95 |
T_sfc = -1.9; |
| 96 |
T_bottom = 2; |
| 97 |
del_T = (T_bottom - T_sfc)/(59*delz); |
| 98 |
|
| 99 |
for iz = 1:nz; |
| 100 |
|
| 101 |
|
| 102 |
tref(iz) = T_sfc + del_T*((iz-30)*delz); |
| 103 |
if iz<=30; |
| 104 |
tref(iz)=-1.9; |
| 105 |
end |
| 106 |
if iz>=90 |
| 107 |
tref(iz) =2; |
| 108 |
end |
| 109 |
end |
| 110 |
|
| 111 |
S_sfc = 34.2050; |
| 112 |
S_bottom = 34.6967; |
| 113 |
del_S = (S_bottom - S_sfc)/(59*delz); |
| 114 |
|
| 115 |
for iz = 1:nz; |
| 116 |
|
| 117 |
|
| 118 |
sref(iz) = S_sfc + del_S*((iz-30)*delz); |
| 119 |
if iz<=30; |
| 120 |
sref(iz)=34.2; |
| 121 |
end |
| 122 |
if iz>=90 |
| 123 |
sref(iz) =34.7; |
| 124 |
end |
| 125 |
end |
| 126 |
|
| 127 |
t = tref; |
| 128 |
|
| 129 |
s = sref; |
| 130 |
|
| 131 |
|
| 132 |
while rms(dp) > 1e-13 |
| 133 |
phiHydF(k) = 0; |
| 134 |
p0 = p; |
| 135 |
kp = kp+1; |
| 136 |
for k = 1:nz |
| 137 |
switch eos |
| 138 |
case 'linear' |
| 139 |
drho = rhoConst*(1-talpha*(t(k)-tref(k))+sbeta*(s(k)-sref(k)))-rhoConst; |
| 140 |
case 'jmd95z' |
| 141 |
drho = densjmd95(s(k),t(k),p(k))-rhoConst; |
| 142 |
case 'mdjwf' |
| 143 |
drho = densmdjwf(s(k),t(k),p(k))-rhoConst; |
| 144 |
otherwise |
| 145 |
error(sprintf('unknown EOS: %s',eos)) |
| 146 |
end |
| 147 |
phiHydC(k) = phiHydF(k) + dzm(k)*gravity*drho/rhoConst; |
| 148 |
phiHydF(k+1) = phiHydC(k) + dzp(k)*gravity*drho/rhoConst; |
| 149 |
end |
| 150 |
switch eos |
| 151 |
case 'mdjwf' |
| 152 |
p = (gravity*rhoConst*abs(zc) + phiHydC*rhoConst)/gravity/rhoConst; |
| 153 |
end |
| 154 |
dp = p-p0; |
| 155 |
end |
| 156 |
|
| 157 |
|
| 158 |
for ix=1:nx |
| 159 |
for iy=1:ny |
| 160 |
k=max(find(abs(zg)<abs(pignew(ix,iy)))); |
| 161 |
if isempty(k) |
| 162 |
k=0; |
| 163 |
end |
| 164 |
if k>0 |
| 165 |
|
| 166 |
dr = -zg(k) - pignew(ix,iy); |
| 167 |
|
| 168 |
if (dr>=delz/2) |
| 169 |
ploadnew(ix,iy) = phiHydF(k) + (delz-dr) * (phiHydC(k)-phiHydF(k))/(delz/2); |
| 170 |
else |
| 171 |
ploadnew(ix,iy) = phiHydC(k) + (delz/2-dr) * (phiHydF(k+1)-phiHydC(k))/(delz/2); |
| 172 |
end |
| 173 |
|
| 174 |
end |
| 175 |
end |
| 176 |
end |
| 177 |
|
| 178 |
|
| 179 |
|
| 180 |
|
| 181 |
newsalt=oldsalt; |
| 182 |
newtheta=oldtheta; |
| 183 |
newuvel=olduvel; |
| 184 |
newvvel=oldvvel; |
| 185 |
newgunm1=oldgunm1; |
| 186 |
newgvnm1=oldgvnm1; |
| 187 |
|
| 188 |
|
| 189 |
|
| 190 |
for i=1:size(OLDX) |
| 191 |
newsalt(OLDX(i),OLDY(i),NEWZ(i))=oldsalt(OLDX(i),OLDY(i),OLDZ(i)); |
| 192 |
newtheta(OLDX(i),OLDY(i),NEWZ(i))=oldtheta(OLDX(i),OLDY(i),OLDZ(i)); |
| 193 |
|
| 194 |
newuvel(OLDX(i),OLDY(i),NEWZ(i))=olduvel(OLDX(i),OLDY(i),OLDZ(i)); |
| 195 |
%newuvel(OLDX(i)+1,OLDY(i),NEWZ(i))=olduvel(OLDX(i)+1,OLDY(i),OLDZ(i)); |
| 196 |
newvvel(OLDX(i),OLDY(i),NEWZ(i))=oldvvel(OLDX(i),OLDY(i),OLDZ(i)); |
| 197 |
newvvel(OLDX(i),OLDY(i)+1,NEWZ(i))=oldvvel(OLDX(i),OLDY(i)+1,OLDZ(i)); |
| 198 |
|
| 199 |
newgunm1(OLDX(i),OLDY(i),NEWZ(i))=0; |
| 200 |
%newgunm1(OLDX(i)+1,OLDY(i),NEWZ(i))=0; |
| 201 |
newgvnm1(OLDX(i),OLDY(i),NEWZ(i))=0; |
| 202 |
newgvnm1(OLDX(i),OLDY(i)+1,NEWZ(i))=0; |
| 203 |
|
| 204 |
end |
| 205 |
|
| 206 |
|
| 207 |
|
| 208 |
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 209 |
% % %Write out pickup file |
| 210 |
uvel=reshape(newuvel,[1 nx*ny*nz]); |
| 211 |
vvel=reshape(newvvel,[1 nx*ny*nz]); |
| 212 |
theta=reshape(newtheta,[1 nx*ny*nz]); |
| 213 |
salt=reshape(newsalt,[1 nx*ny*nz]); |
| 214 |
gunm1=reshape(newgunm1,[1 nx*ny*nz]); |
| 215 |
gvnm1=reshape(newgvnm1,[1 nx*ny*nz]); |
| 216 |
etan=reshape(newetan,[1 nx*ny]); |
| 217 |
detahdt=reshape(newdetahdt,[1 nx*ny]); |
| 218 |
etah=reshape(newetah,[1 nx*ny]); |
| 219 |
|
| 220 |
pickupnew=[uvel,vvel,theta,salt,gunm1,gvnm1,etan,detahdt,etah]; |
| 221 |
pickupnew=pickupnew'; |
| 222 |
|
| 223 |
shelftoponew=reshape(shelftoponew,[nx*ny 1]); |
| 224 |
ploadnew=reshape(ploadnew,[nx*ny 1]); |
| 225 |
|
| 226 |
|
| 227 |
fid = fopen('pickup.0000025920.data','w','b'); fwrite(fid,pickupnew,'real*8'); fclose(fid); |
| 228 |
fid = fopen('pload.pig.jmd95z','w','b'); fwrite(fid,ploadnew,'real*8'); fclose(fid) |
| 229 |
fid = fopen('shelftopo.round.bin','w','b'); fwrite(fid,shelftoponew,'real*8'); fclose(fid) |
| 230 |
|
| 231 |
|
| 232 |
|
| 233 |
% |
| 234 |
|
| 235 |
|
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