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Proceedings Paper

Integration of geographic information system data for atmospheric turbulence modeling
Author(s): P. Shubert; J. Garnham; R. Pierson
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Paper Abstract

Detailed geographic data, such as digital elevation models (DEM) and land use/land cover (LULC) information is incorporated into an atmospheric turbulence code to provide detailed modeling of the refractive index structure constant, Cn2, in the surface layer and convective boundary layer (CBL) along an optical path. Optical turbulence in these layers is important in the evaluation of terrestrial free space optical communications systems. Turbulence in these layers is driven by surface heating and decreases rapidly with optical path height above the terrain. Detailed models have been developed by several authors, which estimate the Cn2 profile as a function of various surface and meteorological parameters. Implementation of these models requires the user to estimate the surface parameters, which may be variable along the path, for each specific application. Incorporation of geographic data into the models simplifies the inputs required and provides a more detailed and specific analysis of terrestrial free space optical communications systems.

Paper Details

Date Published: 24 February 2017
PDF: 9 pages
Proc. SPIE 10096, Free-Space Laser Communication and Atmospheric Propagation XXIX, 100961A (24 February 2017); doi: 10.1117/12.2251674
Show Author Affiliations
P. Shubert, Applied Technology Associates (United States)
J. Garnham, Applied Technology Associates (United States)
R. Pierson, Applied Technology Associates (United States)

Published in SPIE Proceedings Vol. 10096:
Free-Space Laser Communication and Atmospheric Propagation XXIX
Hamid Hemmati; Don M. Boroson, Editor(s)

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