Year 2020, Volume 7 , Issue 2, Pages 184 - 190 2020-08-15

Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria

Amara Ethel UZOR-TOTTY [1] , Charles Uwadiae OYEGUN [2]


Soil and water are the two main natural resources that sustain human existence on earth. Proper monitoring and maintenance of these resources are done on basin level.  The IRB drains an area of 7,951.03 km2. The basin has a mean annual discharge of 120m3/sec and generates significant surface runoff and sediment. The study aim was to evaluate the sediment yield across IRB using the Soil and Water Assessment Tool (SWAT) model. SWAT is a watershed-based, semi-distributed hydrologic model for simulating hydrological processes at different spatial scales. The model utilized digital elevation model DEM to extract the river network, basin delineation, and sub-basin division. The sub-basins were further divided into hydrological response unit HRU at a threshold of 5% slope, 5% the land use and 5% soil.   Harmonized soil data and two land-use data of 1995 and 2010 were used to simulate the sediment yield across IRB.  The study result shows an increase in sediment yield of 0.73 t/ha from1995 to 2010. Sub-basin 10 has the highest sediment yield during the two periods; September and October are the months with the highest sediment yield. 

River basin, SWAT model, Sediment yield
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Primary Language en
Journal Section Research Articles
Authors

Orcid: 0000-0001-5249-7707
Author: Amara Ethel UZOR-TOTTY (Primary Author)
Institution: University of Port Harcourt
Country: Nigeria


Author: Charles Uwadiae OYEGUN
Institution: Gebze Technical University, Department of Geomatics Engineering
Country: Turkey


Dates

Publication Date : August 15, 2020

Bibtex @research article { ijegeo645611, journal = {International Journal of Environment and Geoinformatics}, issn = {}, eissn = {2148-9173}, address = {}, publisher = {Cem GAZİOĞLU}, year = {2020}, volume = {7}, pages = {184 - 190}, doi = {10.30897/ijegeo.645611}, title = {Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria}, key = {cite}, author = {Uzor-totty, Amara and Oyegun, Charles Uwadiae} }
APA Uzor-totty, A , Oyegun, C . (2020). Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria . International Journal of Environment and Geoinformatics , 7 (2) , 184-190 . DOI: 10.30897/ijegeo.645611
MLA Uzor-totty, A , Oyegun, C . "Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria" . International Journal of Environment and Geoinformatics 7 (2020 ): 184-190 <https://dergipark.org.tr/en/pub/ijegeo/issue/54146/645611>
Chicago Uzor-totty, A , Oyegun, C . "Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria". International Journal of Environment and Geoinformatics 7 (2020 ): 184-190
RIS TY - JOUR T1 - Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria AU - Amara Uzor-totty , Charles Uwadiae Oyegun Y1 - 2020 PY - 2020 N1 - doi: 10.30897/ijegeo.645611 DO - 10.30897/ijegeo.645611 T2 - International Journal of Environment and Geoinformatics JF - Journal JO - JOR SP - 184 EP - 190 VL - 7 IS - 2 SN - -2148-9173 M3 - doi: 10.30897/ijegeo.645611 UR - https://doi.org/10.30897/ijegeo.645611 Y2 - 2020 ER -
EndNote %0 International Journal of Environment and Geoinformatics Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria %A Amara Uzor-totty , Charles Uwadiae Oyegun %T Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria %D 2020 %J International Journal of Environment and Geoinformatics %P -2148-9173 %V 7 %N 2 %R doi: 10.30897/ijegeo.645611 %U 10.30897/ijegeo.645611
ISNAD Uzor-totty, Amara , Oyegun, Charles Uwadiae . "Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria". International Journal of Environment and Geoinformatics 7 / 2 (August 2020): 184-190 . https://doi.org/10.30897/ijegeo.645611
AMA Uzor-totty A , Oyegun C . Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria. International Journal of Environment and Geoinformatics. 2020; 7(2): 184-190.
Vancouver Uzor-totty A , Oyegun C . Spatio-Temporal Dynamics of Sediment yield across the Imo River Basin South- East Nigeria. International Journal of Environment and Geoinformatics. 2020; 7(2): 184-190.