Comparison of directional and non-directional filter techniques for lineament extraction using landsat-8 OLI to study active tectonics in parts of Northwestern HFT
- 1Department of Applied Sciences, PEC (Deemed to be University), Sector-12, Chandigarh-160012, India
- 2Department of Applied Sciences, PEC (Deemed to be University), Sector-12, Chandigarh-160012, India
Res. J. Recent Sci., Volume 8, Issue (2), Pages 31-37, April,2 (2019)
Himalayan Frontal Thrust (HFT), states the present day physiographic and tectonic frontier amongst the Indian plate and the Himalayan orogeny. It illustrates seismically active faults and connected upliftment which represents a zone of active tectonics between the Siwalik Hills and the Indo-Gangetic Plain. In the foothills of Siwalik along HFT, numerous active fractures have caused several major and destructive earthquakes, it lies under seismic zone IV. The north-western part of Sub-Himalaya is a well-populated area like Chandigarh and small towns and villages near Pinjore dun. A moderate earthquake might produce extensive damages so, the mapping of such seismogenic areas are crucial for mitigation of seismic risk. Lineament mapping with remote sensing data by image processing techniques is a most useful method for the mapping of the structural and tectonic setting of the area. The lineaments are a very good geological and structural indicator to assess general and local trends of deformation and fracture zones in the rocks. Filtering is an image enhancement technique, which is used for edge enhancement of the image. In this work, a comparison of directional and non-directional filtering technique has been made to extract lineaments in parts of northwestern HFT adjacent Ghaggar river. In non-directional filter technique Laplacian filter is used for the linear feature analysis. The filter is a technique of altering/enhancing an image to emphasize certain features or suppress other features. The analysis is carried out by using band 6 of Landsat-8 data, which is automatically processed in LINE component of PCI Geomatica to extract the lineaments. Lineaments extracted by both filter techniques are verified from the,manually digitized geological map. The results observed that lineament extraction with directional filtering gives a better result than non-directional filter techniques.
- Malik J.N., Nakata T., Philip G., Suresh N. and Virdi N.S. (2008)., Active fault and paleoseismic investigation: evidence of historic earthquake along Chandigarh Fault in the frontal Himalayan zone, NW India., Himalayan Geology, 29(2), 109-117.
- Kumahara Y. and Jayangondaperumal R. (2013)., Paleoseismic evidence of a surface rupture along the northwestern Himalayan Frontal Thrust (HFT)., Geomorphology, 180, 47-56.
- Thakur V.C., Jayangondaperumal R. and Suresh N. (2009)., Late Quaternary-Holocene fold and landform generated by morphogenic earthquakes in Chandigarh anticlinal ridge in Punjab Sub Himalaya., Himalayan Geology, 30, 103-113.
- Thakur V.C. (2013)., Active tectonics of Himalayan frontal fault system., International Journal of Earth Sciences, 102(7), 1791-1810.
- Mukul M. and Singh V. (2016)., Active Tectonics and Geomorphological Studies in India during 2012-2016., Proceedings of the Indian National Science Academy, 82(3), 727-735.
- Malik J.N. and Mohanty C. (2007)., Active tectonic influence on the evolution of drainage and landscape: geomorphic signatures from frontal and hinterland areas along the Northwestern Himalaya, India., Journal of Asian Earth Sciences, 29(5-6), 604-618.
- Kumar S., Wesnousky S.G., Rockwell T.K., Briggs R.W., Thakur V.K. and Jayangondaperumal R. (2005)., The Himalayan Frontal Thrust of India is not blind., J. Geophys. Res., 1-70.
- Philip G. and Virdi N.S. (2007)., Active faults and neotectonic activity in the Pinjaur Dun, northwestern Frontal Himalaya., Current Science, 92(4), 532-542.
- Philip G., Suresh N. and Bhakuni S.S. (2014)., Active tectonics in the northwestern outer Himalaya: evidence of large-magnitude palaeoearthquakes in Pinjaur Dun and the Frontal Himalaya., Current Science, 106(2), 211-222.
- Goswami P.K. (2012)., Geomorphic evidences of active faulting in the northwestern Ganga Plain, India: implications for the impact of basement structures., Geosciences Journal, 16(3), 289-299.
- Abdullah A., Nassr S. and Ghaleeb A. (2013)., Landsat ETM-7 for lineament mapping using automatic extraction technique in the SW part of Taiz Area, Yemen., Global Journal of Human-Social Science Research, 13(3), 35-38.
- Sedrette S. and Rebaï N. (2016)., Automatic extraction of lineaments from Landsat Etm+ images and their structural interpretation: Case Study in Nefza region (North West of Tunisia)., Journal of Research in Environmental and Earth Sciences, 4, 139-145.
- Thannoun R.G. (2013)., Automatic extraction and geospatial analysis of lineaments and their tectonic significance in some areas of Northern Iraq using remote sensing techniques and GIS., International Journal of Enhanced Research Technology & Engineering, 2(2), 1-11.
- Makandar A. and Halalli B. (2015)., Image enhancement techniques using highpass and lowpass filters., International Journal of Computer Applications, 109(14), 12-15.