/
iced_data_process.pro
executable file
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/
iced_data_process.pro
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pro iced_data_process, profnum, verbose=verbose
; Fernald processing with 2 lidar ratios
; ICE-D processing parameters
d_lr = 12 ; LR uncertainty
d_ref_rel = 0.5 ; Relative uncertainty on Fernald reference
d_ref_abs = 30E-6 ; Absolute uncertainty on Fernald reference
;lr_dust = 41 ; LR for upper layer (dust) - now defined in .lay file
lr_pbl = 20 ; LR for lower layer (marine)
bound_layer = 0 ; determine LR boundary using saved layer 0
bound_l_idx = 0 ; determine LR boundary using index 0 for saved layer
transition = 1000.0 ; depth of LR transition (will be made gradual)
; Note: Lidar ratio saved in the layers file will not
; be used, and the layers data will not be changed
@lid_settings.include
openw, lgf, logfln, /get_lun, /append
printf, lgf, '--> ICED_DATA_PROCESS
openw, info, infofln, /get_lun, /append
printf, info, ''
if (n_elements(nprofiles) NE 1 || nprofiles LE 0L) then $
message, 'No data. lid_data_read must be called first.'
info_str = string(lr_pbl, format='(%"ICE-D processing ' $
+ 'with variable LR. Dust: LAY FILE. Salt: %4.1f.")')
if (n_elements(profnum) EQ 0) then begin
first = 0
last = nprofiles-1
endif else if (n_elements(profnum) EQ 1) then begin
first = profnum
last = profnum
endif else begin
first = profnum[0]
last = profnum[1]
endelse
if (first LT 0 || last GE nprofiles) then $
message, 'Profiles selected are out of range.'
info_str += string(format='(%" Profiles: %d-%d")', first, last)
printf, lgf, info_str
printf, info, info_str
if (keyword_set(verbose)) then print, info_str
info_str = string(format='(%"Cross-talk computation: ' $
+ 'Tp=%0.4f Ts=%0.4f Rs=%0.4f Rp=%0.4f")', crosstalk_tp, $
crosstalk_ts, crosstalk_rs, crosstalk_rp)
printf, lgf, info_str
printf, info, info_str
if (keyword_set(verbose)) then print, info_str
info_str = string(format='(%"Extinction uncertainties: ' $
+ 'delta_LR=%0.1f, delta_REF=%dMm-1(abs),%d%%(rel)")', $
d_lr, round(1D6*d_ref_abs), round(d_ref_rel*100.0))
printf, lgf, info_str
printf, info, info_str
if (keyword_set(verbose)) then print, info_str
for p=first, last do begin
pinfo = profinfo[p]
if (~pinfo.aerok) then continue
prof = profile[p]
p_norm = 0.0D
klid = 0.0D
tau = 0.0D
iter = 0
depolyes = 0
aeryes = 0
depolflag = '-'
aerflag = '-'
okflag = '-'
lr_dust = pinfo.f_lidratio
pinfo.totdep = 0
pinfo.aerosol = 0
pinfo.aerdep = 0
if (pinfo.p_idx[0] GE ovl && pinfo.p_idx[1] GE pinfo.p_idx[0] $
&& pinfo.p_cal NE 0.0D) then begin
lid_voldepol, pinfo, prof, voldep=totdepol, $
pr2tot=pr2tot, p_norm=p_norm
prof.totdepol = totdepol
prof.pr2tot = pr2tot
pinfo.p_norm = p_norm
pinfo.totdep = 1
depolyes = 1
depolflag = 'P'
endif
if (pinfo.totdep) then begin
afterdep = 1
pr2 = reform(prof.pr2tot)
endif else begin
afterdep = 0
pr2 = reform(prof.pr2[*,0])
endelse
if (pinfo.f_idx[0] GE ovl && pinfo.f_idx[1] GE pinfo.f_idx[0] $
&& pinfo.f_br NE 0.0D && pinfo.f_lidratio NE 0.0D) then begin
; set LR profile
l_def = (pinfo.layer_idx[1,*] NE 0L $
AND pinfo.layer_idx[1,*] GE pinfo.layer_idx[0,*])
if (~l_def[bound_layer]) then begin
message, string(bound_layer, p, format='(%"Layer ' $
+ '%d undefined for profile %d.")')
endif
bound_z = prof.height[pinfo.layer_idx[bound_l_idx,bound_layer]]
if (bound_z GT 0) then begin
bound_z1 = min([prof.height[0], bound_z+transition/2.0])
bound_z2 = max([prof.height[maxaltitudes-1], $
bound_z-transition/2.0])
b_z = [prof.height[0], bound_z1, bound_z2, $
prof.height[maxaltitudes-1]]
b_lr = [lr_dust, lr_dust, lr_pbl, lr_pbl]
endif else begin
b_z = [prof.height[0], prof.height[maxaltitudes-1]]
b_lr = [lr_dust, lr_dust]
endelse
lr = interpol(b_lr, b_z, prof.height)
; lr_ref = lr[mean([pinfo.f_idx])]
lr_ref = mean(lr[pinfo.f_idx[0]:pinfo.f_idx[1]])
; apply Fernald or slope method
rayleigh, prof.height, beta=prof.mol_beta, $
cos_offnadir=pinfo.con, tau=taumol, /use_existing_beta
f_mol = prof.mol_beta[mean([pinfo.f_idx])]
if (abs(pinfo.f_br-1.0D) LT 1D-6) then begin
f_br = 1.0D
slo = 0
endif else begin
slo = 1
slope_method, prof.range, prof.pr2[*,0], taumol, $
prof.mol_beta, alpha=alphaslope, sample=50
f_alpha = $
mean(alphaslope[pinfo.f_idx[0]:pinfo.f_idx[1]])
f_br = 1.0D + f_alpha / (lr_ref * f_mol)
endelse
fernald_var, prof.height, pr2, prof.mol_beta, pinfo.f_idx, $
f_br-1.0D, lr, cos_offnadir=pinfo.con, $
beta=beta, alpha=alpha
prof.beta = beta
prof.alpha = alpha
pinfo.inv_type = _fern_
pinfo.after_dep = afterdep
pinfo.aerosol = 1
aerflag = 'F'
aeryes = 1
d_alpha = dblarr(maxaltitudes, 4)
extref = (slo ? f_alpha : 0.0)
d_ref = max([d_ref_abs, d_ref_rel*extref])
extref0 = extref + d_ref * [-1, 1, 0, 0]
if (extref0[0] LT 0.0D) then extref0[0] = 0.0D
br0 = extref0 / (lr_ref * f_mol)
lr0 = dblarr(maxaltitudes, 4)
for i=0, maxaltitudes-1 do lr0[i,*] = lr[i] + d_lr*[0, 0, -1, 1]
for k=0, 3 do begin
fernald_var, prof.height, pr2, prof.mol_beta, $
pinfo.f_idx, br0[k], lr0[*,k], $
cos_offnadir=pinfo.con, $
alpha=alpha0
d_alpha[*,k] = alpha0 - alpha
endfor
for i=0, maxaltitudes-1 do $
prof.d_alpha[i] = max(abs(d_alpha[i,*]))
pinfo.unc_aerosol = 1
endif
if (pinfo.totdep && pinfo.aerosol && pinfo.after_dep) then begin
lid_aerdepol, pinfo, prof, aerdep=aerdepol
prof.aerdepol = aerdepol
pinfo.aerdep = 1
endif
if (aeryes) then begin
lid_atm_compute, p, pinfo, prof
klid = pinfo.klid[0]
tau = pinfo.tot_aod
endif
if (pinfo.aerok) then okflag = '+'
info_str = string(p, hhmmss(pinfo.start), hhmmss(pinfo.stop), $
round(pinfo.alt), round(pinfo.mx_ofn), depolflag, aerflag, $
okflag, p_norm, klid, iter, lr, tau, format = $
'(%"%5d) %s-%s %4dm %2dº %s%s%s %9.2E %7.1f %2d %5.1f %6.3f")')
printf, lgf, info_str
if (keyword_set(verbose) && verbose GE 2) then print, info_str
profile[p] = prof
profinfo[p] = pinfo
endfor
free_lun, info
free_lun, lgf
end