Grain sizeanalysis of sediments and its implicationon erosionalong Qua Iboe River/ Estuary Bank Southeastern Nigeria.
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 1
Abstract
Sixty (60) sediment samples were collected from ten (10) different locations (S1-10) along Qua Iboe River /Estuary Bank in Southeastern Nigeria . Textural grain size analysis was carried out on the different sediments in order to infer the vulnerability of the different areas to erosion. The statistical grain size parameters show that the mean grain size (Mz), ranges from 1.60to 2.73with an average value of 2.06indicating medium to fine grained sand, standard deviation (sorting, σ1) has a mean value of 0.58( ranges from 0.38-0.79) whichinfer well to moderately well sorted sediments, while Skewness(SKI) and kurtosis (KG) have range values of -0.04 - 0.27 and 0.74-1.23 with mean values of 0.04 and 1.00 respectively, which depict coarse skewed to very fine- skewed of Platykurtic – leptokurticsediments. These results suggest that Okoro - Utib and Ukpenekang sediments are medium grain size in nature, deposited in a moderate energy condition and are less venerable to erosional forces.The other investigated areas are dominantly fine grain sediments, deposited in a low energy condition hence more vulnerable to erosion.
Authors and Affiliations
Itam . , A. Essien, Digha . , O Nicholas, Ukot . , Effiong . , M. Peter, Udoaka . , E. Okon
Keywords
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