Examination of spaceborne imaging spectroscopy data utility for stratigraphic and lithologic mapping

Dadon, Alon; Ben-Dor, Eyal; Beyth, Michael; Karnieli, Arnon

doi:doi:10.1117/1.3553234

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Journal of Applied Remote Sensing / Volume 5 / Research Papers

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Examination of spaceborne imaging spectroscopy data utility for stratigraphic and lithologic mapping

J. Appl. Remote Sens. 5, 053507 (Mar 16, 2011); http://dx.doi.org/10.1117/1.3553234

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Abstract

References (54)

Alon Dadon and Arnon Karnieli

The Remote Sensing Laboratory, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boker Campus 84990, Israel

Eyal Ben-Dor

The Remote Sensing and GIS laboratory, Geography and Human Environment Department, Tel-Aviv University, Israel

Michael Beyth

Geological Survey of Israel, Jerusalem, Israel

Due to the increasing development of image spectroscopy techniques, airborne and spaceborne hyperspectral images have in recent years become readily available for use in geological applications. One of the prominent advantages of imaging spectroscopy is its high spectral resolution, producing detailed spectral information in each pixel. The current study aims at exploring the feasibility of the Earth-Observing-1 Hyperion imaging spectrometer to map the geology arena over the Dana Geology National Park, Jordan. After overcoming the common preprocessing difficulties (e.g., smile effect), a classification scheme of two levels was applied. The first level resulted in a stratigraphic classification product of eleven classes and the second level in a lithologic classification product of six classes. The overall accuracy of the stratigraphic product was 57%, while that of the lithologic product was 79%. Mismatches in classification were mostly related to terrestrial cover of the lower topography formation by rock and sand debris. In addition, low accuracy values can be attributed to Hyperion's high sensitivity, leading to recognition of different mineral compositions as different classes within a rock formation, while the conventional geology-stratigraphic map generalizes these different classes into one formation. The methods practiced in the current research can advance the Hyperion's classification capabilities and therefore can be applied in different geological settings and additional disciplines such as penology, agriculture, ecology, forestry, urban, and other environmental studies.

History

Received Mar 24, 2010
Accepted Dec 20, 2010
Revised Oct 28, 2010
Published online Mar 16, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3553234

Citation

Alon Dadon, Eyal Ben-Dor, Michael Beyth and Arnon Karnieli, "Examination of spaceborne imaging spectroscopy data utility for stratigraphic and lithologic mapping", J. Appl. Remote Sens. 5, 053507 (Mar 16, 2011); http://dx.doi.org/10.1117/1.3553234