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Atmospheric correction of ground-based thermal infrared camera through dart model

Yin, T., Kotthaus, S., Gastellu-Etchegorry, J.-P., Morrison, W., Norford, L. K., Grimmond, S., Lauret, N., Chrysoulakis, N., Bitar, A. A. and Landier, L. (2017) Atmospheric correction of ground-based thermal infrared camera through dart model. In: 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 23-28 Jul 2017, Fort Worth, TX, USA, pp. 5885-5888,

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To link to this item DOI: 10.1109/IGARSS.2017.8128348


Abstract: We introduced an approach to simulate and separate atmospheric contribution in ground-based thermal-infrared (TIR) camera measurements. Different from the traditional approach which uses the look-up table built from 1-D radiative transfer model (RTM), this approach directly simulates 3-D ray propagations and interactions in the heterogeneous urban environment by using the Discrete Anisotropic Radiative Transfer (DART) model. The atmospheric turbid cells that occupy every part of the urban scene are created using the vertical constituent distribution and the optical property profiles in the existing databases or from the actual meteorological measurements. The two components of atmospheric effects on the TIR at-sensor radiance are attenuated transmission and path thermal emission. Taking both into account, the at-surface radiance corresponding to the signal emitted only from the urban surface can be derived.

Item Type:Conference or Workshop Item (Paper)
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:76557
Additional Information:Proceedings ISBN: 9781509049516; ISSN: 2153-7003

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