Research Papers

Lineaments extraction and analysis in Eljufra area, Libya

[+] Author Affiliations
Nureddin M. Saadi, Koichiro Watanabe

Earth Resources, Kyushu University, 744 Motooka, Fukuoka, Fukuoka 819-0395 Japan

J. Appl. Remote Sens. 2(1), 023538 (September 17, 2008). doi:10.1117/1.2994727
History: Received February 23, 2008; Revised September 4, 2008; Accepted September 11, 2008; September 17, 2008; Online September 17, 2008
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Abstract

Several image processing techniques have been separately and simultaneously applied to data obtained from Landsat ETM+, ERS-2 SAR, and Digital Elevation Models (DEM) to evaluate the performance of different satellite sensors for extracting and mapping geological lineaments in the Eljufra area of northwest Libya. Herein, hundreds of new lineaments in various trends have been identified in comparison to previous results obtained from geological maps. Visible and near infrared color composite of Landsat ETM+ overlaid on shaded relief maps enhanced the ability of extracting and mapping geological lineaments. Analysis and interpretation of the extracted lineaments provided information about the tectonic evolution of the investigated area. A gravity survey was performed to explore the subsurface structure of the study area. Euler deconvolution was applied to the gravity data to estimate the depths and locations of gravity source anomalies. A comparison of results obtained from remote sensing and gravity data indicates that the origin of most lineaments is structural.

© 2008 Society of Photo-Optical Instrumentation Engineers

Citation

Nureddin M. Saadi and Koichiro Watanabe
"Lineaments extraction and analysis in Eljufra area, Libya", J. Appl. Remote Sens. 2(1), 023538 (September 17, 2008). ; http://dx.doi.org/10.1117/1.2994727


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