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This paper illustrates a procedure for the retrieval of tropospheric profiles (temperature, pressure, and humidity) using only refractivity profiles coming from Global Positioning System (GPS)-low-Earth-orbit radio occultation, without the constraint of independent knowledge of atmospheric parameters at each GPS occultation. In order to achieve this goal, we have used an approach based on neural networks...
This paper describes a validation study performed by comparing the AVHRR-based Climate-SAF Surface Albedo Product (SAL) to ground truth observations over Greenland (Greenland Climate Network) and the ice-covered Arctic Ocean (Tara floating ice station) over Arctic summer 2007. The AVHRR dataset consists of 2755 overpasses. The SAL algorithm derives the surface broadband albedo from AVHRR channels...
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