Aerosol mapping over rugged heterogeneous terrain with imaging spectrometer data

Stephan Bojinski; Daniel Schlaepfer; Michael E. Schaepman; Johannes Keller

doi:10.1117/12.451623

8 November 2002 Aerosol mapping over rugged heterogeneous terrain with imaging spectrometer data

Stephan Bojinski, Daniel Schlaepfer, Michael E. Schaepman, Johannes Keller

Proceedings Volume 4816, Imaging Spectrometry VIII; (2002) https://doi.org/10.1117/12.451623
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

A method for the determination of aerosol optical properties from imaging spectrometer data on a local scale is investigated, making use of the continuous spectral coverage, high spatial resolution, and the well-calibrated radiometry of such data. The method (correlated spectral unmixing) is based on the decomposition of the sensor signal in the short-wave infrared using spectrum database ground spectra, the reconstruction of image ground spectra in the visible, and forward modelling with a radiative transfer code. The sensitivity of the imaging spectrometer signal to different atmospheric condititions is explored, as well as the correlation of spectral reflectances in the visible and short-wave infrared for a variety of surfaces. The potential of the presented method is demonstrated for a scene from the airborne visible and infrared imaging spectrometer AVIRIS over rugged heterogeneous coastal terrain in California, and comparisons to multispectral methods are made.

Citation Download Citation

Stephan Bojinski, Daniel Schlaepfer, Michael E. Schaepman, and Johannes Keller "Aerosol mapping over rugged heterogeneous terrain with imaging spectrometer data", Proc. SPIE 4816, Imaging Spectrometry VIII, (8 November 2002); https://doi.org/10.1117/12.451623

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