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AIRPHOTON / GRASP Earth.
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  5. GRASP Earth - Version Lidar + Sun/Sky - ...

GRASP Earth - Version Lidar + Sun/Sky -Radiometer Software

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Grasp algorithm provides the possibility state-of-the-art synergetic retrievals inverting simultaneously sun/sky radiometer and lidar ground-based observations. Specifically, the following of these synergetic retrievals can be outlined:

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  • Inverting simultaneously radiometer and lidar measurements, GRASP allows to provide the detailed retrieval of columnar–integrated properties (particles’ size distribution, complex refractive index, sphericity fraction, AOD and absorption) together with the information about aerosol vertical distribution.
  • Synergy of radiometer and lidar data allows the retrieval to distinguish between fine and coarse mode and to provide information that is not available when using only radiometer or lidar data, for example characterization of vertical distribution of aerosol absorption or single scattering albedo.
  • GRASP can process observations even from rather complex lidar systems measure non-elastic Raman and polarized scattering of atmospheric layers. Using synergy of observations by such lidar and sun-photometers significantly enhances the retrieval accuracy.
  • GRASP retrieval can utilize multi-temporal a priori constraints on variability of aerosol properties that allow for realizing synergy retrieval even for the not fully co-incident and/or simultaneous observations.