Application of Landsat imagery for landuse/landcover analyse | 16654
International Research Journals

International Research Journal of Geology and Mining

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Application of Landsat imagery for landuse/landcover analyses in the Afikpo sub-basin of Nigeria


Chukwu G. U., Ijeh B. I. and Olunwa K. C.

Lately, several remote sensing data types are now available for geological and environmental studies. The variety has increased as many nations including some African countries invest in satellite remote sensing. However, each data type has its own peculiar features that may limit or enhance its relevance to capture data for specific range of information. This study used geo-information techniques based on the Landsat imagery to enhance the utilization of images with coarser resolutions in land use analysis in Afikpo sub-basin which lies within the Benue Trough of Nigeria. The objective of the study is to evaluate the lineament analysis, structural interpretation and variations in land use characterization with the satellite data source in Afikpo sub-basin which is located within latitude 60 00’ and 50 30’N and longitude 70 30’ and 80 00’E. The remotely sensed data sets used are the Landsat imagery of NigeriaSat-2 2012 satellite. Several GIS software which includes the ILWIS 3.2, SURFER 10, ERDAS, and DIGIER 5.0 were used to analyze the data sets. It was found that the Mamu Formation in the sub-basin could be a potential site for mineral exploration with high lands up to 277 meters above mean sea level and also the Asu River Group Formation could be a possible hydrocarbon reservoir. Ajali Formation was also discovered to be prone to severe tectonic activities.

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