TITLE

Automated and manual Lineaments extraction and geospatial analysis using remote sensing techniques and GIS Case Study: Gabal Shabrawet area, south Ismailia, Egypt

AUTHOR(S)
Hassan, Safaa M.; Mahmoud, Abdel Aziz A.; El-Mahdy, Munir; El kazzaz, Yahia A.
PUB. DATE
July 2014
SOURCE
Australian Journal of Basic & Applied Sciences;Jul2014, Vol. 8 Issue 10, p110
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Geological structural features such as lineaments have been took much interest in the geological studies, because it is considers as a very important structural and geological indicator to determine general and local tectonic trends and fractures zones in the rocks. Objective: The purposes of this study are to extract lineaments from satellite images in order to contribute to the understanding of the faults. Panchromatic Landsat ETM+ image with spatial resolution 15 m is used for the analysis which is processed for both automated and manual extraction. Three geospatial analyses are applied in order to evaluate the extracted lineaments, these are: length, density and orientation analysis. Results: The results have indicated that, the Lineaments in the area have two main trends with high density NE-SW & NW-SE trend. Geospatial analyses of lineaments give a good correspondence with the arrangement of the main tectonic forces of the studied area. Conclusion: The accuracy of the automatic lineaments extracted map is different from the manually extracted map by about 30%, so the best way for the identification of the lineaments of the area is by the correlation between the lineaments extracted by both the manual & automatic techniques.
ACCESSION #
97368468

 

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