Abstract
The study is an attempt to detect shoreline and land use change with a view to determining the trend and nature of the change in Ibeno, Akwa Ibom State, Nigeria. Landsat and Ikonos imageries and GIS techniques were utilized in capturing these changes over a period of 22 years (1986 to 2008) using 3 time periods. The result of the analysis indicated that there were more eroding than accretion portion in the shoreline of the study area. The study recommended monitoring of the shoreline change from time to time, establishment and enforcement of development setbacks, implementation of development control measures as well as the introduction of integrated coastal zone planning and management within the Niger Delta region to reduce hazards and protect the beautiful sand beaches.
Highlights
The coastal area is a highly dynamic environment with many physical processes such as tidal flooding, sea level rise, land subsidence and erosion/sedimentation
The study area was classified into five land use/cover change classes: compound farmland, bush fallow, imperfectly drained farmland, forest and open water
Despite the marginal increase detected in the area covered by open water it has been the most stable expanding by 4 km2 in 17 years with 0.24 km2 of change per year
Summary
The coastal area is a highly dynamic environment with many physical processes such as tidal flooding, sea level rise, land subsidence and erosion/sedimentation. These physical processes play an important role in shoreline change and development of the coastal landscape. Shorelines are one of the most dynamic areas of the coastal environment. Shoreline is a line of contact between the land and the body of water [1]. In other words, it is the intersection of the land with the water surface.
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