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ORSL » Atmospheric Research » Shadowband NetCDF Processed Data ArchiveFile structure & processing notes »

These data sets were obtained from the MFR-7 Shadowband instruments located at several remote sites. The MFR-7 (MFRSR) makes precise simultaneous measurements of the solar direct normal and diffuse horizontal irradiances at six wavelengths (nominally 415, 500, 615, 673, 870, and 940 nm) at short intervals averaged to a minute for all sites throughout the day. Time series of spectral optical depth are derived from these measurements. Besides water vapor at 940 nm, the other gaseous absorbers within the MFRSR channels are NO2 (at 415, 500, and 615 nm) and ozone (at 500, 615, and 670 nm). Aerosols and Rayleigh scattering contribute atmospheric extinction in all MFRSR channels. Our recently updated MFRSR data analysis algorithm, NASA-GISS, allows us to partition the spectral aerosol optical depth into fine and coarse modes and to retrieve the fine mode effective radius. In this approach we rely on climatologically amounts of NO2 from SCIAMACHY satellite retrievals and use daily ozone columns from TOMS. The format presented here is HDF/NetCDF format processed data. These data are presented here for your ease of access and use.


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Program Code Copyright © Thomas Legbandt 2010 - 2016


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