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Proceedings Paper

Simulation of polarized radiative transfer in the atmosphere with spatially inhomogeneous cloudiness using CUDA parallel programming technology
Author(s): Tatiana Russkova
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Paper Abstract

The parallel Monte Carlo algorithms developed for numerical simulation of the polarized radiative transfer in the Earth’s atmosphere are discussed. The results of their testing in the aerosol atmosphere and cloud layer as well as the results of calculation of the Stokes vector in an environment with spatially inhomogeneous clouds are presented. Problems of improving the efficiency of the Monte Carlo simulation by transition from sequential CPU computations to parallel GPU computations are discussed. The acceleration rate of the radiation codes achieved by parallelizing computational algorithms on a graphics processor is given. It is shown that the changeover of computing from conventional PCs to the architecture of graphics processors gives remarkable increase in performance and fully reveals the capabilities of the technology used.

Paper Details

Date Published: 13 December 2018
PDF: 8 pages
Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108331H (13 December 2018); doi: 10.1117/12.2504318
Show Author Affiliations
Tatiana Russkova, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)

Published in SPIE Proceedings Vol. 10833:
24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Gennadii G. Matvienko; Oleg A. Romanovskii, Editor(s)

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