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Comparison of atmospheric transmittance measurements in the 3- to 5-μm and 8- to 12-μm spectral regions with MODTRAN: considerations for long near-horizontal path geometries

Anthony J. Ratkowski, Gail P. Anderson, James H. Chetwynd, RICHARD M. NADILE, Adam D. Devir, T. D. Conley

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Abstract

Radiance measurements conducted during tropospheric operations to detect objects on the Earth's surface from a manned aircraft or from an unmanned airborne vehicle (UAV) will involve long, near-horizontal viewing geometries. The computer code MODTRAN is widely used for the prediction of the propagation of infrared radiation through the lower atmosphere. Consequently, we have undertaken to test the predictions of MODTRAN for the 3 - 5 and 8 - 12 micron spectral regions under mid-Eastern desert conditions.

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Radiance measurements conducted during tropospheric operations to detect objects on the Earth's surface from a manned aircraft or from an unmanned airborne vehicle (UAV) will involve long, near-horizontal viewing geometries. The computer code MODTRAN is widely used for the prediction of the propagation of infrared radiation through the lower atmosphere. Consequently, we have undertaken to test the predictions of MODTRAN for the 3 - 5 and 8 - 12 micron spectral regions under mid-Eastern desert conditions.

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Available abstract

Radiance measurements conducted during tropospheric operations to detect objects on the Earth's surface from a manned aircraft or from an unmanned airborne vehicle (UAV) will involve long, near-horizontal viewing geometries. The computer code MODTRAN is widely used for the prediction of the propagation of infrared radiation through the lower atmosphere. Consequently, we have undertaken to test the predictions of MODTRAN for the 3 - 5 and 8 - 12 micron spectral regions under mid-Eastern desert conditions.

Key concepts: MODTRAN, Radiance, Remote sensing, Atmospheric model, Transmittance, Atmosphere (unit), Atmospheric optics, Troposphere

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Comparison of atmospheric transmittance measurements in the 3- to 5-μm and 8- to 12-μm spectral regions with MODTRAN: considerations for long near-horizontal path geometries — Research Paper | ScholarLens