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This paper documents the preliminary Aerosol Optical Thickness (AOT) and Surface Reflectance validation of the Combined Inversion of Surface and AeRosols (CISAR) algorithm, a novel and versatile algorithm for the joint surface reflectance and aerosol optical thickness applied to PROBA-V observations. The algorithm's methodology and application is described by [3]. The AOT at 0.55 µm and surface reflectance...
CISAR, a novel and versatile algorithm for the joint retrieval of surface reflectance and aerosol properties, has been applied on PROBA-V observations from years 2014–2015 in the framework of the Advanced Land, Aerosol and Coastal products for PROBA-V (PV-LAC) ESA project. This algorithm allows a continuous variation of the surface and atmospheric state variables in the solution space as it solves...
This paper presents the improvements of an absolute calibration reference system based on simulated TOA BRF time series over bright desert targets. The current work highlights a case study performed over Libya4 demonstrating that it is possible to achieve a mean accuracy of 3% when simulation are compared with calibrated observations. This activity is part of VITO contribution to CEOS/WGCV/IVOS calibration...
The devastating drought in the Sahel during the 70s and the 80s is among the most undisputed and largest recent climate event recognized by the research community. This dramatic climate event has generated numerous sensitivity analyses on land-atmosphere feedback mechanisms with contradicting conclusions on surface albedo response to precipitation changes. Recent improvements in the calibration and...
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