Syowa MPL Observed direction: 2000.1-2007.1 --elv. angle=45 deg. 2007.2- --elv. angle=90 deg. ------------------------------------- (1) Folder: sig Vertical profile of MPL relative backscatter (RB) Monthly file of 18-minute interval Details 1. File names: sig/sig_YYYYMM.txt 2. Data format in files day(1-31)+time(0-1)UT, altitude (km, a.g.l), LOG(RB (const. x photon count x km^2/uJ/us)) ex) Time: 09:30UT => 9/24+30/60/24 = .39583 ex) 2019.6.3 12:00UT => 3.50000 "sig_201906.txt" 3.50000 3.00000E-02 0.00000E+00 3.50000 6.00000E-02 5.17719E-08 3.50000 9.00000E-02 7.73807E-03 3.50000 1.20000E-01 4.77288E-03 3.50000 1.50000E-01 6.95110E-03 3.50000 1.80000E-01 9.42241E-03 3.50000 2.10000E-01 1.28309E-02 3.50000 2.40000E-01 1.66526E-02 3.50000 2.70000E-01 2.07132E-02 3.50000 3.00000E-01 2.44928E-02 3.50000 3.30000E-01 2.90855E-02 3.50000 3.60000E-01 3.47113E-02 3.50000 3.90000E-01 4.03738E-02 3.50000 4.20000E-01 4.60864E-02 ------------------------------------- (2) Folder: cbh Cloud base height (CBH) Monthly file of 3-minute interval Details 1. File names: sig/cbh_YYYYMM.txt 2. Data format in files day(1-31)+time(0-1)UT Time(0-24)UT CBH1 - calculated by the MPL software (km, a.g.l.) CBH2 - recalculated from raw signal (km, a.g.l.) ex) 2019.03 cbh_202005.txt 1.00000 0.0000 1.543 1.530 1.00208 0.0500 1.573 1.530 1.00417 0.1000 1.543 1.530 1.00625 0.1500 1.543 1.530 1.00833 0.2000 1.543 1.530 1.01042 0.2500 1.543 1.530 1.01250 0.3000 -0.500 -0.500 1.01458 0.3500 -0.500 -0.500 1.01667 0.4000 -0.500 -0.500 31.98541 23.6499 1.064 0.750 31.98750 23.6999 1.424 0.690 31.98958 23.7499 1.064 0.720 31.99166 23.7999 1.004 0.990 31.99375 23.8499 0.674 0.990 31.99583 23.8999 0.674 0.990 31.99791 23.9499 0.674 0.960 * CBH=-0.500 : no cloud ------------------------------------- (3) Folder: bsr Aerosol backscater ratio Daily file of 1-hour interval Details 1. File names: bsr/profile_1hour_YYYYMMDD.txt 2. Data format in files Time(0-24)UT, Altitude (km, a.g.l), 1-hour mean Aerosol backscater ratio, Standard deviation of aerosol backscatter ratio for 1-hour, Number of the aerosol backscatter profiles that could calculate up to an altitude of 6 km ex) profile_1hour_20110904.txt 1 0.00000E+00 6.59030E-08 2.47710E-18 3.80000E+01 1 3.00000E-02 6.43482E-08 1.18213E-20 3.80000E+01 1 6.00000E-02 1.53859E+00 1.47189E-03 3.80000E+01 1 9.00000E-02 8.92842E-01 1.59894E-04 3.80000E+01 1 1.20000E-01 7.94916E-01 1.80774E-04 3.80000E+01 1 1.50000E-01 8.23301E-01 2.25796E-04 3.80000E+01 1 1.80000E-01 8.94935E-01 2.04792E-04 3.80000E+01 1 2.10000E-01 9.61644E-01 2.39350E-04 3.80000E+01 1 2.40000E-01 1.01554E+00 2.62289E-04 3.80000E+01 1 2.70000E-01 1.05430E+00 3.22049E-04 3.80000E+01 1 3.00000E-01 1.08434E+00 3.07973E-04 3.80000E+01 1 3.30000E-01 1.09915E+00 2.85239E-04 3.80000E+01 24 5.58000E+00 1.00289E+00 4.20114E-04 3.80000E+01 24 5.61000E+00 9.92243E-01 2.66090E-04 3.80000E+01 24 5.64000E+00 9.96361E-01 5.67176E-04 3.80000E+01 24 5.67000E+00 1.00349E+00 2.90533E-04 3.80000E+01 24 5.70000E+00 9.93120E-01 2.34288E-04 3.80000E+01 24 5.73000E+00 9.90349E-01 2.56350E-04 3.80000E+01 24 5.76000E+00 9.93277E-01 5.56619E-04 3.80000E+01 24 5.79000E+00 9.90859E-01 4.25623E-04 3.80000E+01 24 5.82000E+00 9.88951E-01 5.41140E-04 3.80000E+01 24 5.85000E+00 9.79605E-01 5.18984E-04 3.80000E+01 24 5.88000E+00 9.94287E-01 2.54443E-04 3.80000E+01 24 5.91000E+00 9.97855E-01 4.63304E-04 3.80000E+01 24 5.94000E+00 9.92445E-01 2.31603E-04 3.80000E+01 24 5.97000E+00 1.00089E+00 5.35623E-04 3.80000E+01 ------------------------------------- (4) Folder: fig Quick look images of MPL relative backscatter and cloud base height Daily file -------------------------------------