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CERES Aerosol Property Interpolation



CERES aerosol property interpolation example

  Hour
01020304 05060708 09101112 13141516 17181920 21222324
D
a
y
1 I I I I I I I I I M I I I I I I I I I I I I I I
2 I I I I I I I I I M I I I I I I I I I I I I I I
3 I I I I I I I I I M I I I I I I I I I I I I I I
... I I I I I I I I I M I I I I I I I I I I I I I I
31 I I I I I I I I I M I I I I I I I I I I I I I I
M=MODIS measurement
I=Linearly interpolated between MODIS measurements
Hour bins are defined as 01 is between local time 0-1AM, hour2 is 1-2AM, hour24 is 23-24PM
  • Aerosol properties are temporally interpolated into 24 hour increments for the day. Aerosol properties are retrieved only during the day
  • For example day 2, hour increment 5 is linearly interpolated from day 1 hour 10 and day 2 hour 10.
  • If no aerosol property was retrieved due to clouds it is not used, hourly interpolation would proceed between the previous day and following day observation
  • Monthly or daily aerosol property mean is the average of all hourly increments
  • No GEO derived aerosols are used
  • Aerosol optical depth is averaged in terms of log optical depth

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