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Satellite Remote Sensing and Coastal Sediment Monitoring Approach With NigeriaSat 2

Henry Olatunbosun Odunsi

ABSTRACT: Satellite remote sensing of high-resolution capacity is essential for coastal sediment monitoring. The technique of mapping and monitoring with the satellite requires establishment of ground controls on which the satellite imageries are validated. Coastal sediment monitoring approach with the satellite is vital for assessment of variation in sediment network along the coastal waters. NigeriaSat2 is a very high- resolution imager of 286 kg in mass. Hyper spectral imaging is a satellite remote sensing technique which enables the satellite capture more detailed information of sediment movement. This technique acquires images simultaneously in many narrow, contiguous spectral bands. During monitoring and mapping, different wavelengths of light permeate through the water to differing degrees up to 30 meters in depth. However, the reason for coastal sediment monitoring and mapping with NigeriaSat2 is to ensure conservation of resources that abound in the coastal zone which is the interface between land and sea. This will help in flood and erosion control management along Nigeria’s coastline. Because of the importance of consistent monitoring of sediment dynamics which is a prerequisite for coastal protection, a very high- resolution satellite of NigeriaSat2 capacity is therefore required.