Applying the OSS radiative transfer method to MODTRAN

Hilary E. Snell; Thomas Connor; Svetlan Bzenic; T. Scott Zaccheo

doi:10.1117/12.666082

4 May 2006 Applying the OSS radiative transfer method to MODTRAN

Hilary E. Snell, Thomas Connor, Svetlan Bzenic, T. Scott Zaccheo

Proceedings Volume 6233, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XII; 62331G (2006) https://doi.org/10.1117/12.666082
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

The Optimal Spectral Sampling (OSS) method models band averaged radiances as weighted sums of monochromatic radiances. The method is fast and accurate and has the advantage over other existing techniques that it is directly applicable to scattering atmospheres. Other advantages conferred by the method include flexible handling of trace species and ability to select variable species at run time without having to retrain the model, and the possibility of large speed gains by specializing the model for a particular application. The OSS method is used in the CrIS and CMIS retrieval algorithms and it is currently being implemented in the Joint Center for Satellite Assimilation (JCSDA) Community Radiative Transfer Model (CRTM). A version of OSS is currently under development for direct inclusion within MODTRAN^TM, as an alternative to the current band models. This paper discusses the OSS interface to MODTRAN^TM, presents model results, and identifies new developments applicable to narrowband and broadband radiative transfer modeling across the spectrum and the training of OSS for scattering atmospheres.

Citation Download Citation

Hilary E. Snell, Thomas Connor, Svetlan Bzenic, and T. Scott Zaccheo "Applying the OSS radiative transfer method to MODTRAN", Proc. SPIE 6233, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XII, 62331G (4 May 2006); https://doi.org/10.1117/12.666082

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