Inverted data format » History » Version 3

David PICARD, 03/09/2021 11:22 AM

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h1. Inverted data format
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Sample inverted file for an CN aerosol size distribution :
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<pre>
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#libszdist version : 0.9.0
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#format name : rawstd
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#format version : 4
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#yr    mo      dy      hr      mn      sc      Pex     Tex     RHsh    TGrad   nb      Dbeg    Dend    concTotal       conc...
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#UTC                                           hPa     K       %       K       ul      nm      nm      #/cm3          #/cm3...
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2012    01      01      00      01      15      843.8   297.0   20.0    -99.9   162      3.0    995.0   8.3788e+001     0       0       0...
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2012    01      01      00      03      45      843.1   297.0   20.0    -99.9   162      3.0    995.0   9.6096e+001     0       0       0...
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2012    01      01      00      06      15      843.9   297.0   20.0    -99.9   162      3.0    995.0   9.3573e+001     0       0       0...
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</pre>
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- yr : 4-digit year (UTC)
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- mo : 2-digit month (UTC)
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- dy : 2-digit day (UTC)
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- hr : 2-digit hours (UTC)
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- mn : 2-digit minutes (UTC)
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- sc : 2-digit seconds (UTC)
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- Pex : absolute pressure in the DMA loop (hPa)
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- Tex : temperature in the DMA loop (K)
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- RHsh : relative humidity in the DMA loop (%)
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- TGrad : non used
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- nb : number of bins (unitless)
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- Dbeg : particle diameter of the first bin of the scan (nm)
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- Dend : particle diameter of the last bin of the scan (nm)
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- concTotal : total concentration (#/cm ^3^ )
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- conc : nb columns of size concentration for each bin, dN/dLog format (#/cm ^3^ )
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The diameters are logathmically distributed. As a consequence, it is not necessary to save the full diameter list since it is easy to [[Build_the_list_of_diameters]].