140 |
c save qq |
c save qq |
141 |
c save pl,ple,dpres,pkle,pkl |
c save pl,ple,dpres,pkle,pkl |
142 |
|
|
143 |
c common /saver/ lwdt,lwdtclr,swdt,swdtclr,turbu,turbv,turbt,turbq |
common /saver/ lwdt,lwdtclr,swdt,swdtclr,turbu,turbv,turbt,turbq |
144 |
c common /saver/ moistu,moistv,moistt,moistq |
common /saver/ moistu,moistv,moistt,moistq |
145 |
c common /saver/ radswg,swgclr,fdirpar,fdifpar,osr,osrclr,tg0,radlwg |
common /saver/ radswg,swgclr,fdirpar,fdifpar,osr,osrclr,tg0,radlwg |
146 |
c common /saver/ st4,dst4,dlwdtg,rainlsp,raincon,snowfall |
common /saver/ st4,dst4,dlwdtg,rainlsp,raincon,snowfall |
147 |
c common /saver/ cldtot_lw,cldras_lw,cldlsp_lw,lwlz |
common /saver/ cldtot_lw,cldras_lw,cldlsp_lw,lwlz |
148 |
c common /saver/ cldtot_sw,cldras_sw,cldlsp_sw,swlz |
common /saver/ cldtot_sw,cldras_sw,cldlsp_sw,swlz |
149 |
c common /saver/ imstturbsw,imstturblw,qliqavesw,qliqavelw,fccavesw |
common /saver/ imstturbsw,imstturblw,qliqavesw,qliqavelw,fccavesw |
150 |
c common /saver/ fccavelw |
common /saver/ fccavelw |
151 |
c common /saver/ qq |
common /saver/ qq |
152 |
c common /saver/ pl,ple,dpres,pkle,pkl |
common /saver/ pl,ple,dpres,pkle,pkl |
153 |
c common /saver/ nlwcld,nlwlz |
common /saver/ nlwcld,nlwlz |
154 |
c common /saver/ nswcld,nswlz |
common /saver/ nswcld,nswlz |
155 |
c common /saver/ iras |
common /saver/ iras |
156 |
|
|
157 |
C*********************************************************************** |
C*********************************************************************** |
158 |
C Unshadow input arrays (and make 'fizhi theta' from true theta) |
C Unshadow input arrays (and make 'fizhi theta' from true theta) |
159 |
C*********************************************************************** |
C*********************************************************************** |
160 |
|
|
161 |
c if( (nhms.eq.nhms0) .and. (nymd.eq.nymd0) ) then |
Creal if( (nhms.eq.nhms0) .and. (nymd.eq.nymd0) ) then |
162 |
c _BEGIN_MASTER(myid) |
Creal _BEGIN_MASTER(myid) |
163 |
c if(myid.eq.1.and.bi.eq.1) print *,' Initializing fizhi arrays ' |
Creal if(myid.eq.1.and.bi.eq.1) print *,' Initializing fizhi arrays ' |
164 |
c _END_MASTER(myid) |
Creal _END_MASTER(myid) |
165 |
c imstturblw = 0 |
Creal imstturblw = 0 |
166 |
c imstturbsw = 0 |
Creal imstturbsw = 0 |
167 |
c iras = 0 |
Creal iras = 0 |
168 |
c nlwcld = 0 |
Creal nlwcld = 0 |
169 |
c nlwlz = 0 |
Creal nlwlz = 0 |
170 |
c nswcld = 0 |
Creal nswcld = 0 |
171 |
c nswlz = 0 |
Creal nswlz = 0 |
172 |
c do L = 1,Nrphys |
Creal do L = 1,Nrphys |
173 |
c do j = jm1,jm2 |
Creal do j = jm1,jm2 |
174 |
c do i = im1,im2 |
Creal do i = im1,im2 |
175 |
c swlz(i,j,L,bi,bj) = 0. |
Creal swlz(i,j,L,bi,bj) = 0. |
176 |
c lwlz(i,j,L,bi,bj) = 0. |
Creal lwlz(i,j,L,bi,bj) = 0. |
177 |
c qliqavesw(i,j,L,bi,bj) = 0. |
Creal qliqavesw(i,j,L,bi,bj) = 0. |
178 |
c qliqavelw(i,j,L,bi,bj) = 0. |
Creal qliqavelw(i,j,L,bi,bj) = 0. |
179 |
c fccavesw(i,j,L,bi,bj) = 0. |
Creal fccavesw(i,j,L,bi,bj) = 0. |
180 |
c fccavelw(i,j,L,bi,bj) = 0. |
Creal fccavelw(i,j,L,bi,bj) = 0. |
181 |
c cldtot_sw(i,j,L,bi,bj) = 0. |
Creal cldtot_sw(i,j,L,bi,bj) = 0. |
182 |
c cldras_sw(i,j,L,bi,bj) = 0. |
Creal cldras_sw(i,j,L,bi,bj) = 0. |
183 |
c cldlsp_sw(i,j,L,bi,bj) = 0. |
Creal cldlsp_sw(i,j,L,bi,bj) = 0. |
184 |
c cldtot_lw(i,j,L,bi,bj) = 0. |
Creal cldtot_lw(i,j,L,bi,bj) = 0. |
185 |
c cldras_lw(i,j,L,bi,bj) = 0. |
Creal cldras_lw(i,j,L,bi,bj) = 0. |
186 |
c cldlsp_lw(i,j,L,bi,bj) = 0. |
Creal cldlsp_lw(i,j,L,bi,bj) = 0. |
187 |
c lwdt(i,j,L,bi,bj) = 0. |
Creal lwdt(i,j,L,bi,bj) = 0. |
188 |
c swdt(i,j,L,bi,bj) = 0. |
Creal swdt(i,j,L,bi,bj) = 0. |
189 |
c turbt(i,j,L,bi,bj) = 0. |
Creal turbt(i,j,L,bi,bj) = 0. |
190 |
c moistt(i,j,L,bi,bj) = 0. |
Creal moistt(i,j,L,bi,bj) = 0. |
191 |
c turbq(i,j,L,1,bi,bj) = 0. |
Creal turbq(i,j,L,1,bi,bj) = 0. |
192 |
c moistq(i,j,L,1,bi,bj) = 0. |
Creal moistq(i,j,L,1,bi,bj) = 0. |
193 |
c turbu(i,j,L,bi,bj) = 0. |
Creal turbu(i,j,L,bi,bj) = 0. |
194 |
c moistu(i,j,L,bi,bj) = 0. |
Creal moistu(i,j,L,bi,bj) = 0. |
195 |
c turbv(i,j,L,bi,bj) = 0. |
Creal turbv(i,j,L,bi,bj) = 0. |
196 |
c moistv(i,j,L,bi,bj) = 0. |
Creal moistv(i,j,L,bi,bj) = 0. |
197 |
c enddo |
Creal enddo |
198 |
c enddo |
Creal enddo |
199 |
c enddo |
Creal enddo |
200 |
c do j = jm1,jm2 |
Creal do j = jm1,jm2 |
201 |
c do i = im1,im2 |
Creal do i = im1,im2 |
202 |
c rainlsp(i,j,bi,bj) = 0. |
Creal rainlsp(i,j,bi,bj) = 0. |
203 |
c raincon(i,j,bi,bj) = 0. |
Creal raincon(i,j,bi,bj) = 0. |
204 |
c snowfall(i,j,bi,bj) = 0. |
Creal snowfall(i,j,bi,bj) = 0. |
205 |
c enddo |
Creal enddo |
206 |
c enddo |
Creal enddo |
207 |
c endif |
Creal endif |
208 |
c |
Creal |
209 |
c kappa = getcon('KAPPA') |
Creal kappa = getcon('KAPPA') |
210 |
c p0kappa = 1000.0 ** kappa |
Creal p0kappa = 1000.0 ** kappa |
211 |
c S0 = getcon('S0') |
Creal S0 = getcon('S0') |
212 |
c |
Creal |
213 |
c do j = jm1,jm2 |
Creal do j = jm1,jm2 |
214 |
c do i = im1,im2 |
Creal do i = im1,im2 |
215 |
c xlats(i,j) = lats(i,j,bi,bj) |
Creal xlats(i,j) = lats(i,j,bi,bj) |
216 |
c xlons(i,j) = lons(i,j,bi,bj) |
Creal xlons(i,j) = lons(i,j,bi,bj) |
217 |
c enddo |
Creal enddo |
218 |
c enddo |
Creal enddo |
219 |
c |
Creal |
220 |
c call astro ( nymd,nhms, xlats,xlons, im2*jm2, cosz,ra ) |
Creal call astro ( nymd,nhms, xlats,xlons, im2*jm2, cosz,ra ) |
221 |
c do j=jm1,jm2 |
Creal do j=jm1,jm2 |
222 |
c do i=im1,im2 |
Creal do i=im1,im2 |
223 |
c radswt(i,j,bi,bj) = S0*(1.0/ra**2)*cosz(i,j) |
Creal radswt(i,j,bi,bj) = S0*(1.0/ra**2)*cosz(i,j) |
224 |
c enddo |
Creal enddo |
225 |
c enddo |
Creal enddo |
226 |
c |
Creal |
227 |
c if( alarm('moist') .or. alarm('turb') .or. |
Creal if( alarm('moist') .or. alarm('turb') .or. |
228 |
c . alarm('radsw') .or. alarm('radlw') ) then |
Creal. alarm('radsw') .or. alarm('radlw') ) then |
229 |
c |
Creal |
230 |
C compute pressures - all pressure are converted here to hPa |
Crealpute pressures - all pressure are converted here to hPa |
231 |
c do j = jm1,jm2 |
Creal do j = jm1,jm2 |
232 |
c do i = im1,im2 |
Creal do i = im1,im2 |
233 |
c ple(i,j,Nrphys+1,bi,bj) = pephy(i,j,Nrphys+1,bi,bj)/100. |
Creal ple(i,j,Nrphys+1,bi,bj) = pephy(i,j,Nrphys+1,bi,bj)/100. |
234 |
c pkle(i,j,Nrphys+1,bi,bj)=(pephy(i,j,Nrphys+1,bi,bj)/100.) **kappa |
Creal pkle(i,j,Nrphys+1,bi,bj)=(pephy(i,j,Nrphys+1,bi,bj)/100.) **kappa |
235 |
c p(i,j,bi,bj) = pephy(i,j,Nrphys+1,bi,bj)/100. |
Creal p(i,j,bi,bj) = pephy(i,j,Nrphys+1,bi,bj)/100. |
236 |
c sea_ice(i,j) = sice(i,j,bi,bj) |
Creal sea_ice(i,j) = sice(i,j,bi,bj) |
237 |
c enddo |
Creal enddo |
238 |
c enddo |
Creal enddo |
239 |
c do L = 1,Nrphys |
Creal do L = 1,Nrphys |
240 |
c do j = jm1,jm2 |
Creal do j = jm1,jm2 |
241 |
c do i = im1,im2 |
Creal do i = im1,im2 |
242 |
c u(i,j,L) = uphy(i,j,L,bi,bj) |
Creal u(i,j,L) = uphy(i,j,L,bi,bj) |
243 |
c v(i,j,L) = vphy(i,j,L,bi,bj) |
Creal v(i,j,L) = vphy(i,j,L,bi,bj) |
244 |
c t(i,j,L) = thphy(i,j,L,bi,bj)/p0kappa |
Creal t(i,j,L) = thphy(i,j,L,bi,bj)/p0kappa |
245 |
c q(i,j,L,1) = sphy(i,j,L,bi,bj) |
Creal q(i,j,L,1) = sphy(i,j,L,bi,bj) |
246 |
c pl(i,j,L,bi,bj) = (pephy(i,j,L,bi,bj)+pephy(i,j,L+1,bi,bj))/200. |
Creal pl(i,j,L,bi,bj) = (pephy(i,j,L,bi,bj)+pephy(i,j,L+1,bi,bj))/200. |
247 |
c dpres(i,j,L,bi,bj)=(pephy(i,j,L+1,bi,bj)-pephy(i,j,L,bi,bj))/100. |
Creal dpres(i,j,L,bi,bj)=(pephy(i,j,L+1,bi,bj)-pephy(i,j,L,bi,bj))/100. |
248 |
c ple(i,j,L,bi,bj) = pephy(i,j,L,bi,bj)/100. |
Creal ple(i,j,L,bi,bj) = pephy(i,j,L,bi,bj)/100. |
249 |
c if (ple(i,j,L,bi,bj).gt.0.) then |
Creal if (ple(i,j,L,bi,bj).gt.0.) then |
250 |
c pkle(i,j,L,bi,bj) = ple(i,j,L,bi,bj) **kappa |
Creal pkle(i,j,L,bi,bj) = ple(i,j,L,bi,bj) **kappa |
251 |
c else |
Creal else |
252 |
c pkle(i,j,L,bi,bj) = 0. |
Creal pkle(i,j,L,bi,bj) = 0. |
253 |
c endif |
Creal endif |
254 |
c enddo |
Creal enddo |
255 |
c enddo |
Creal enddo |
256 |
c enddo |
Creal enddo |
257 |
c |
Creal |
258 |
c call pkappa (im2,jm2,Nrphys,ple(1,1,1,bi,bj),pkle(1,1,1,bi,bj), |
Creal call pkappa (im2,jm2,Nrphys,ple(1,1,1,bi,bj),pkle(1,1,1,bi,bj), |
259 |
c . pkl(1,1,1,bi,bj)) |
Creal. pkl(1,1,1,bi,bj)) |
260 |
c |
Creal |
261 |
c call fizhi_driver(myid,im2,jm2,Nrphys,bi,bj,ptracer,ntracer,xlats, |
Creal call fizhi_driver(myid,im2,jm2,Nrphys,bi,bj,ptracer,ntracer,xlats, |
262 |
c . xlons,p(1,1,bi,bj),u,v,t,q,pl(1,1,1,bi,bj),ple(1,1,1,bi,bj), |
Creal. xlons,p(1,1,bi,bj),u,v,t,q,pl(1,1,1,bi,bj),ple(1,1,1,bi,bj), |
263 |
c . dpres(1,1,1,bi,bj),pkle(1,1,1,bi,bj),pkl(1,1,1,bi,bj), |
Creal. dpres(1,1,1,bi,bj),pkle(1,1,1,bi,bj),pkl(1,1,1,bi,bj), |
264 |
c . fracland(1,1,bi,bj),landtype(1,1,bi,bj),radswt(1,1,bi,bj), |
Creal. fracland(1,1,bi,bj),landtype(1,1,bi,bj),radswt(1,1,bi,bj), |
265 |
c . phis_var(1,1,bi,bj),tgz(1,1,bi,bj),sea_ice,nchp,chlat(1,bi,bj), |
Creal. phis_var(1,1,bi,bj),tgz(1,1,bi,bj),sea_ice,nchp,chlat(1,bi,bj), |
266 |
c . chlon(1,bi,bj),igrd(1,bi,bj),nchptot(bi,bj),nchpland(bi,bj), |
Creal. chlon(1,bi,bj),igrd(1,bi,bj),nchptot(bi,bj),nchpland(bi,bj), |
267 |
c . chfr(1,bi,bj),ityp(1,bi,bj),tcanopy(1,bi,bj),tdeep(1,bi,bj), |
Creal. chfr(1,bi,bj),ityp(1,bi,bj),tcanopy(1,bi,bj),tdeep(1,bi,bj), |
268 |
c . ecanopy(1,bi,bj),swetshal(1,bi,bj),swetroot(1,bi,bj), |
Creal. ecanopy(1,bi,bj),swetshal(1,bi,bj),swetroot(1,bi,bj), |
269 |
c . swetdeep(1,bi,bj),capac(1,bi,bj),snodep(1,bi,bj), |
Creal. swetdeep(1,bi,bj),capac(1,bi,bj),snodep(1,bi,bj), |
270 |
c . ctmt(1,bi,bj),xxmt(1,bi,bj),yymt(1,bi,bj),zetamt(1,bi,bj), |
Creal. ctmt(1,bi,bj),xxmt(1,bi,bj),yymt(1,bi,bj),zetamt(1,bi,bj), |
271 |
c . xlmt(1,1,bi,bj),khmt(1,1,bi,bj),tke(1,1,bi,bj), |
Creal. xlmt(1,1,bi,bj),khmt(1,1,bi,bj),tke(1,1,bi,bj), |
272 |
c . albvisdr(1,1,bi,bj),albvisdf(1,1,bi,bj),albnirdr(1,1,bi,bj), |
Creal. albvisdr(1,1,bi,bj),albvisdf(1,1,bi,bj),albnirdr(1,1,bi,bj), |
273 |
c . albnirdf(1,1,bi,bj),emiss(1,1,1,bi,bj),alai(1,bi,bj), |
Creal. albnirdf(1,1,bi,bj),emiss(1,1,1,bi,bj),alai(1,bi,bj), |
274 |
c . agrn(1,bi,bj), |
Creal. agrn(1,bi,bj), |
275 |
c . qstr(1,1,1,bi,bj),o3(1,1,1,bi,bj), |
Creal. qstr(1,1,1,bi,bj),o3(1,1,1,bi,bj), |
276 |
c . co2,cfc11,cfc12,cfc22,methane,n2o, |
Creal. co2,cfc11,cfc12,cfc22,methane,n2o, |
277 |
c . lwdt(1,1,1,bi,bj),lwdtclr(1,1,1,bi,bj),swdt(1,1,1,bi,bj), |
Creal. lwdt(1,1,1,bi,bj),lwdtclr(1,1,1,bi,bj),swdt(1,1,1,bi,bj), |
278 |
c . swdtclr(1,1,1,bi,bj),turbu(1,1,1,bi,bj),turbv(1,1,1,bi,bj), |
Creal. swdtclr(1,1,1,bi,bj),turbu(1,1,1,bi,bj),turbv(1,1,1,bi,bj), |
279 |
c . turbt(1,1,1,bi,bj),turbq(1,1,1,1,bi,bj),moistu(1,1,1,bi,bj), |
Creal. turbt(1,1,1,bi,bj),turbq(1,1,1,1,bi,bj),moistu(1,1,1,bi,bj), |
280 |
c . moistv(1,1,1,bi,bj),moistt(1,1,1,bi,bj),moistq(1,1,1,1,bi,bj), |
Creal. moistv(1,1,1,bi,bj),moistt(1,1,1,bi,bj),moistq(1,1,1,1,bi,bj), |
281 |
c . radswg(1,1,bi,bj),swgclr(1,1,bi,bj),fdirpar(1,1,bi,bj), |
Creal. radswg(1,1,bi,bj),swgclr(1,1,bi,bj),fdirpar(1,1,bi,bj), |
282 |
c . fdifpar(1,1,bi,bj),osr(1,1,bi,bj),osrclr(1,1,bi,bj), |
Creal. fdifpar(1,1,bi,bj),osr(1,1,bi,bj),osrclr(1,1,bi,bj), |
283 |
c . tg0(1,1,bi,bj),radlwg(1,1,bi,bj),lwgclr(1,1,bi,bj), |
Creal. tg0(1,1,bi,bj),radlwg(1,1,bi,bj),lwgclr(1,1,bi,bj), |
284 |
c . st4(1,1,bi,bj),dst4(1,1,bi,bj),dlwdtg(1,1,1,bi,bj), |
Creal. st4(1,1,bi,bj),dst4(1,1,bi,bj),dlwdtg(1,1,1,bi,bj), |
285 |
c . rainlsp(1,1,bi,bj),raincon(1,1,bi,bj),snowfall(1,1,bi,bj),iras, |
Creal. rainlsp(1,1,bi,bj),raincon(1,1,bi,bj),snowfall(1,1,bi,bj),iras, |
286 |
c . nlwcld,cldtot_lw(1,1,1,bi,bj),cldras_lw(1,1,1,bi,bj), |
Creal. nlwcld,cldtot_lw(1,1,1,bi,bj),cldras_lw(1,1,1,bi,bj), |
287 |
c . cldlsp_lw(1,1,1,bi,bj),nlwlz,lwlz(1,1,1,bi,bj), |
Creal. cldlsp_lw(1,1,1,bi,bj),nlwlz,lwlz(1,1,1,bi,bj), |
288 |
c . nswcld,cldtot_sw(1,1,1,bi,bj),cldras_sw(1,1,1,bi,bj), |
Creal. nswcld,cldtot_sw(1,1,1,bi,bj),cldras_sw(1,1,1,bi,bj), |
289 |
c . cldlsp_sw(1,1,1,bi,bj),nswlz,swlz(1,1,1,bi,bj), |
Creal. cldlsp_sw(1,1,1,bi,bj),nswlz,swlz(1,1,1,bi,bj), |
290 |
c . imstturbsw,imstturblw,qliqavesw(1,1,1,bi,bj), |
Creal. imstturbsw,imstturblw,qliqavesw(1,1,1,bi,bj), |
291 |
c . qliqavelw(1,1,1,bi,bj),fccavesw(1,1,1,bi,bj), |
Creal. qliqavelw(1,1,1,bi,bj),fccavesw(1,1,1,bi,bj), |
292 |
c . fccavelw(1,1,1,bi,bj),qq(1,1,1,bi,bj)) |
Creal. fccavelw(1,1,1,bi,bj),qq(1,1,1,bi,bj)) |
293 |
c |
Creal |
294 |
c do L = 1,Nrphys |
Creal do L = 1,Nrphys |
295 |
c do j = jm1,jm2 |
Creal do j = jm1,jm2 |
296 |
c do i = im1,im2 |
Creal do i = im1,im2 |
297 |
c duphy(i,j,L,bi,bj) = moistu(i,j,L,bi,bj) + turbu(i,j,L,bi,bj) |
Creal duphy(i,j,L,bi,bj) = moistu(i,j,L,bi,bj) + turbu(i,j,L,bi,bj) |
298 |
c dvphy(i,j,L,bi,bj) = moistv(i,j,L,bi,bj) + turbv(i,j,L,bi,bj) |
Creal dvphy(i,j,L,bi,bj) = moistv(i,j,L,bi,bj) + turbv(i,j,L,bi,bj) |
299 |
c dthphy(i,j,L,bi,bj) = ((moistt(i,j,L,bi,bj)+turbt(i,j,L,bi,bj)+ |
Creal dthphy(i,j,L,bi,bj) = ((moistt(i,j,L,bi,bj)+turbt(i,j,L,bi,bj)+ |
300 |
c . lwdt(i,j,L,bi,bj) + |
Creal. lwdt(i,j,L,bi,bj) + |
301 |
c . dlwdtg(i,j,L,bi,bj) * (tgz(i,j,bi,bj)-tg0(i,j,bi,bj)) + |
Creal. dlwdtg(i,j,L,bi,bj) * (tgz(i,j,bi,bj)-tg0(i,j,bi,bj)) + |
302 |
c . swdt(i,j,L,bi,bj)*radswt(i,j,bi,bj) )*p0kappa ) / p(i,j,bi,bj) |
Creal. swdt(i,j,L,bi,bj)*radswt(i,j,bi,bj) )*p0kappa ) / p(i,j,bi,bj) |
303 |
c dsphy(i,j,L,bi,bj) = (moistq(i,j,L,1,bi,bj)+turbq(i,j,L,1,bi,bj)) |
Creal dsphy(i,j,L,bi,bj) = (moistq(i,j,L,1,bi,bj)+turbq(i,j,L,1,bi,bj)) |
304 |
c . /p(i,j,bi,bj) |
Creal. /p(i,j,bi,bj) |
305 |
c enddo |
Creal enddo |
306 |
c enddo |
Creal enddo |
307 |
c enddo |
Creal enddo |
308 |
c |
Creal |
309 |
c endif |
Creal endif |
310 |
c |
Creal |
311 |
c call fizhi_step_diag(myid,p,uphy,vphy,thphy,sphy,qq,pkl,dpres, |
Creal call fizhi_step_diag(myid,p,uphy,vphy,thphy,sphy,qq,pkl,dpres, |
312 |
c . radswt,radswg,swgclr,osr,osrclr,st4,dst4,tgz,tg0,radlwg,lwgclr, |
Creal. radswt,radswg,swgclr,osr,osrclr,st4,dst4,tgz,tg0,radlwg,lwgclr, |
313 |
c . turbu,turbv,turbt,turbq,moistu,moistv,moistt,moistq, |
Creal. turbu,turbv,turbt,turbq,moistu,moistv,moistt,moistq, |
314 |
c . lwdt,swdt,lwdtclr,swdtclr,dlwdtg, |
Creal. lwdt,swdt,lwdtclr,swdtclr,dlwdtg, |
315 |
c . im1,im2,jm1,jm2,Nrphys,Nsx,Nsy,bi,bj,ntracer) |
Creal. im1,im2,jm1,jm2,Nrphys,Nsx,Nsy,bi,bj,ntracer) |
316 |
|
Creal |
317 |
|
|
318 |
kF=1. _d 0/86400. _d 0 |
kF=1. _d 0/86400. _d 0 |
319 |
sigma_b = 0.7 _d 0 |
sigma_b = 0.7 _d 0 |