Format of theVPoutput file
November 11, 2015
Hitoshi Irie
1. File name
vp_yyyymmdd.txt:
yyyy:year
mm:month
dd:day
2. Format
Year:year
Month:month
Day:day
Hour:hour
DN:day number
SZA(deg):solar zenith angle in degrees
CI:mean color index I500nm/I380nm for off-axis measurements in 30 min.
sd:standard deviation of CI
MeanI:mean intensity I between 380 and 500 nm for off-axis measurements
CI0:mean color index I500nm/I380nm for reference measurements in 30 min.
sd:standard deviation of CI0
MeanI0:mean intensity I between 380 and 500 nm for reference measurements
Maxcnt:maximum count in the fitting window for O4
MeanO4:mean O4 DSCD
MeanRelRdc:mean relative radiance
RMS_res(O4SCD):RMS of residuals of O4 DSCD
RMS_res(Relrdc):RMS of residuals of relative radiance
RMS_res(gasSCD):RMS of residuals of trace gas DSCD
RelRes(O4):relative residual of O4 DSCD
RelRes(Relrdc):relative residual of relative radiance
Nitr1:# of iteration for the aerosol retrieval
Nitr2:# of iteration for the trace gas retrieval
FO4:(dummy)
Frelrdc:(dummy)
AODstar:(dummy)
AOD:aerosol optical depth
er:error in AOD
VCD(cm-2):vertical column density of trace gas
er:error in VCD
VCD1:VCD, retrieved with AOD biased low by 30%(476nm) or 50% (354nm).
VCD2:VCD, retrieved with AOD biased high by 30%(476nm) or 50% (354nm).
GasSCDmax:maximum trace gas DSCD
SCDer:mean error in gas DSCD
N2:# of parameters used for gas retrievals
Z1(km):altitude above sea level in km
Z2(km):altitude above surface in km
AEC(km-1)aerosol extinction coefficient in km-1 (for each 100 m)
er(km-1)error in AEC (for each 100 m)
Gas(cm-3)number density of trace gas in molecules cm-3(for each100 m)
er(cm-3):error in trace gas number density (for each 100 m)
Gas1:trace gas number density, retrieved with AOD biased low (for each 100 m)
Gas2:trace gas number density, retrieved with AOD biased high (for each 100 m)
VMR:volume mixing ratio of trace gas (for each 100 m)
er:error in VMR (for each 100 m)
VMR1:VMR, retrieved with AOD biased low (for each 100 m)
VMR2:VMR, retrieved with AOD biased high (for each 100 m)
AEC_lyr(km-1)aerosol extinction coefficient in km-1 (for each 1 km)
er(km-1)error in AEC_lyr(for each 1 km)
Gas_lyr(cm-3)number density of trace gas in molecules cm-3(for each 1 km)
er(cm-3):error in trace gas number density (for each 1 km)
Gas1_lyr:trace gas number density, retrieved with AOD biased low (for each 1 km)
Gas2_lyr:trace gas number density, retrieved with AOD biased high (for each 1 km)
VMR_lyr:volume mixing ratio of trace gas (for each 1 km)
er:error in VMR_lyr (for each 1 km)
VMR1_lyr:VMR, retrieved with AOD biased low (for each 1 km)
VMR2_lyr:VMR, retrieved with AOD biased high (for each 1 km)
Horiz_d(km):horizontal distance of measured air mass within a 1-km layer
Horiz_d_accum(km): accumulated horizontal distance from the surface
DAMFmax:maximum AMF
Fa1:a priori of F1 for aerosol retrieval
Fa2:a priori of F2 for aerosol retrieval
Fa3:a priori of F3 for aerosol retrieval
Fg1:a priori of f1 for gas retrieval
Fg2:a priori of f2 for gas retrieval
Fg3:a priori of f3 for gas retrieval
apAOD:a priori AOD
er:error in a priori AOD
apVCD:a priori VCD
er:error in a priori VCD
apAEC:a priori AEC (for each 100 m)
er:error in a priori AEC (for each 100 m)
apGas:a priori trace gas number density (for each 100 m)
er:error in a priori trace gas number density (for each 100 m)
apVMR:a priori VMR (for each 100 m)
er:error in a apriori (for each 100 m)
apAEC_lyr:a priori AEC (for each 1 km)
er:error in a priori AEC (for each 1 km)
apGas_lyr:a priori trace gas number density (for each 1 km)
er:error in a priori trace gas number density (for each 1 km)
apVMR_lyr:a priori VMR (for each 1 km)
er:error in a priori (for each 1 km)
ds1:degree of freedom for aerosol retrieval
ds2:degree of freedom for trace gas retrieval
RelRes(gasDSCD)relative residual of O4 DSCD
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