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Laser methods for the accurate calibration of satellite-derived aerosol and water vapor

Luca Fiorani(1), Michele Aglione(1), Igor Okladnikov(2) and Antonio Palucci(1)

(1) ENEA, Via Enrico Fermi 45, 00044 Frascati, Italy
(2) SCERT, Akademicheskii Avenue 10/3, 634055 Tomsk, Russian Federation

Abstract

Aerosol and water vapor have a twofold importance: from one hand, they are among the critical factor of our climate, from the other hand, they heavily affect satellite imagery. For this reasons, space-borne sensors are devoted to their monitoring or must take them into account for the measurement of other geo-physical parameters: e.g. in ocean color remote sensing marine radiance must be separated from the atmospheric contributions, which typically represent about 80% of the total. In this paper we suggest the development of calibrations/validations of the aerosol and water vapor satellite retrieval relying on the optical radar or lidar. In fact, a differential absorption lidar based on a carbon dioxide laser could accurately profile aerosol and water vapor in the planetary boundary layer, the optically thicker zone of the atmosphere.

 

Full paper

Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry