Abstract: Nigeria as a nation suffers the effect of climate change in one way or the other such as the inundation and erosion of coastal shorelines and river banks. Dredged material has been used in various instances to nourish the beach, dune stabilization with fences and vegetation like the Nypa palm and Rhizophora plants for the protection of shorelines or bank against erosion/inundation. This study analyzed the spatio-temporal analysis of River bank inundation/recession along the Nypa palm and Rhizophora front in selected areas of dominance within Rivers state Nigeria. Landsat images for 1986, 2000 and 2018 were derived from the Global Land Cover Facility data. Spatial analysis and processes of the derived data were thereafter carried out in the ArcGIS 10.4 environment The findings revealed that erosion and accretion rates differ significantly between Nypa palm and Rhizophora dominated River banks. From the analysis a total of 1,075.311sq.m of land retreated within the mangrove/Rhizophora dominated river banks while a total of 75,232.216sq.mof land area advanced within the mangrove/Rhizophora dominated area. Also from the analysis, it is obvious that within the mangrove area, there were more recordings of bank advanced(accretion) than retreat(erosion).In the Nipa palm dominated area, the total areas of the land retreat were recorded at 860,571.1sq.mwhile that of advanced was record at 365,311.2sq.mindicating that there were dominating influence of land retreat (erosion) than land advanced (accretion) over Nipa palm dominated area. It is therefore recommended that improved mangrove species capable of withstanding advance river turbulence should be encouraged within the banks and shorelines.
Keywords: Erosion, Inundation, Mangrove, Species, Rhizophora, Nypa-palm, accretion.
Title: SPATIO-TEMPORAL ANALYSIS OF RIVER BANK INUNDATION/RECESSION ALONG THE NYPA PALM ANDRHIZOPHORA FRONT IN RIVERS STATE
Author: Mark Ogoro, Omatosan Jochebed Amanoritsewo, Gabriel-Job Chimgozirim Joyce
International Journal of Social Science and Humanities Research
ISSN 2348-3156 (Print), ISSN 2348-3164 (online)
Research Publish Journals
