Benibo et al
Greener Journal of Geology and Earth Sciences Vol. 4 (2), pp. 023-039, August 2016.
ISSN: 2354-2268 © 2015 Greener Journals
Research Paper
Manuscript Number: 030116049
(DOI: http://doi.org/10.15580/GJGES.2016.2.030116049)
Lineament Mapping Using Remote Sensing Techniques for Geologic CO2 Sequestration Site Characterization, in Gbaran, Bayelsa State Nigeria
Benibo Tekena1*, Abayomi Alaga1, Ogbole John1, Benibo Irene2
1Cooperative Information Network, National Space Research and Development Agency, Obafemi Awolowo University, Ile-Ife.
2National Centre for Remote Sensing, Jos, Nigeria.
Abstract
The increase in CO2 in the atmosphere due to hydrocarbon exploitation, gas flaring, human activities has led to global warming and adverse environmental effect.
Geologic carbon sequestration is one of the environmental mitigation measures for CO2 reduction and storage in the subsurface. Gbaran in Bayelsa state, is located within the Niger Delta sedimentary Basin, with formations such as depleted oil and gas wells that abound there which could be suitable for geosequestration.
In line with this, geospatial technique was done for lineament mapping in the study area to infer the subsurface structures where faults are located to prevent selecting areas unsuitable for such projects in the future.
Multiple satellite image processing and interpretation techniques were done on false color composite (FCC) band combinations of LANDSAT 8 (OLI) for precise lineament extraction (both manual and automated) as well as spatial analysis. Softwares used include ERDAS, ArcGIS10.3, PCI Geomatica, and Rockwork.
Lineament density maps rose diagram plots, and spatially correlated lineament density maps were produced for various FCC images, showing areas with varying degree of lineament concentration.
The spatial correlated lineament map produced could provide a base line data for geosequestration site characterization in the study area.
Keywords: Geologic Sequestration, CO2, Lineaments, Geospatial.
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