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18-Jan-2022   
Path: RAMI-IV : EXPERIMENTS : ACTUAL CANOPIES : OFENPASS WINTER PINESTAND : Total canopy absorption
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Total canopy absorption (foliage and wood): fabs_tot

This is the fraction of radiation - entering the canopy via the reference plane at the top-of-canopy - that has been absorbed by scatterers in the canopy, where scatterers refers to all objects (turbid or discrete) that are associated with the foliage or woody components of the canopy. fabs_tot thus excludes absorption events by the background surface.

Within RAMI-IV this measurement applies only to a selection of canopy scenes:

    Formatting of results-file content:

    Content total canopy absorption standard deviation of fabs_tot estimate*
    Format real real
    *: if not available set to −1.000000.

    A real is defined as having 6 digits after the decimal point, e.g., 1.000000.

    Example output:

    0.123456	-1.000000
    

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