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Relevant bibliographies by topics / River Orashi

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Academic literature on the topic 'River Orashi'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "River Orashi"

1

Benjamin Eze Benson and Lawremce Hart. "Modeling of some hydrodynamics characteristics of Orashi River in the Southern Region of Nigeria." World Journal of Advanced Engineering Technology and Sciences 11, no. 2 (2024): 113–26. http://dx.doi.org/10.30574/wjaets.2024.11.2.0073.

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The dynamic nature of rivers and its effect on the inhabitants and its surroundings is of fundamental concern to Hydro Scientists, Coastal Engineers, and Surveyors. These changes have remained unpredicted and hence the focus of this study. The aim of this study is to develop a geo-model of the dynamics of Orashi River in Ogba/ Egbema/ Ndoni Local Government Area of Rivers State. The objectives are to determine the river dynamics parameters, to develop a functional multiple regression model of Orashi River dynamics and to determine the percentage contributions of each of the independent variabl

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Ekpete, O. A., E. C. Nwochigoziri, and F. Kpee. "Assessment of Phenolic Compounds in Surface Waters from New Calabar River and Orashi River in the Niger Delta Region of Nigeria." Journal of Applied Sciences and Environmental Management 27, no. 9 (2023): 2029–34. http://dx.doi.org/10.4314/jasem.v27i9.20.

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Phenolic compounds are hazardous with diverse health implications. The presence of phenolic compounds in rivers is triggered by several activities including petroleum products. The Niger Delta is one of the world’s major hydrocarbon provinces with several health hazards created by oil exploration and exploitation and slow in action to oil spillages. Therefore this paper assessed phenolic compounds in surface waters from New Calabar River and Orashi River in the Niger Delta Region of Nigeria using GC/MS technique (Agilent 6890N Gas agilent 5975 mass selective Detector). Data obtained reveal tha

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3

Oborie, Ebiegberi, and Eteh Desmond Rowland. "Flood influence using GIS and remote sensing based morphometric parameters: A case study in Niger delta region." Journal of Asian Scientific Research 13, no. 1 (2023): 1–15. http://dx.doi.org/10.55493/5003.v13i1.4719.

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This study delineates morphometric parameters for determining flood influence on river catchments in the Niger Delta Region using geospatial techniques. Data from the United States Geological Survey; Shuttle radar topographic mission was processed using ArcGIS 10.6 software. The results of the hydrological data analysis, compound factors, and weighted overlay approach demonstrate that early peak flows from the River Niger cause flooding along the riverbanks, as evidenced by the stream frequency findings. The Ikoli River's catchments consistently provide the River Niger with its peak discharge

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Douye, Wodu, Pere–Ere. "Geographical Assessment and Correlations between Flood Vulnerability Levels and Morphometric Parameters in the Lower Orashi River, Niger Delta Region, Nigeria." Journal of Global Ecology and Environment 21, no. 3 (2025): 139–58. https://doi.org/10.56557/jogee/2025/v21i39430.

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Flood is an important natural disaster type that needs to be studied better to reduce its impact on human life.The study examined the correlations between flood vulnerability levels and morphometric parameters in the lower Orashi River, Niger Delta Region, Nigeria To achieve this, the river course was divided into 30 segments whereby the information for morphometric parameters such as width, depth, velocity, cross sectional area and discharge are generated using standard methods. The flood vulnerability data were obtained using UNION method from ArcGIS platform and the point segment was overla

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5

Seiyaboh, EI, WE Alagha, and TCN Angaye. "Sedimentary Assessment of Basic River in the Niger Delta: A Case Study of Orashi River in the Eastern Niger Delta of Nigeria." Greener Journal of Geology and Earth Sciences 4, no. 3 (2016): 51–55. https://doi.org/10.15580/GJGES.2016.3.122116218.

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Ecosystem in the Niger Delta has become a sanctuary for most endangered species, including mangrove and several forest reserve. The ketstone role of River Orashi in the Niger Delta is remarkable. The quality of River sediment very key in defining the bioavailability of aquatic system. The sedimentary assessment of River Orashi was carried out in six sampling stations (Mbiama, Agbo, Akiogbologbo, Okaki and Okparaki), in both Dry and wet seasons. Result showed that; pH ranged from 6.53 - 7.05, while Electrical Conductivity ranged from 124.31 – 590.01 μS/cm. While nit

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6

Bisong, Andy Etta, Willabo Miepamo, Wike Princewill Ndinyenma, and Wodu Pere-Ere Douye. "Assessment of Flood Vulnerability Levels in the Lower Orashi River, Niger Delta Region, Nigeria." Journal of Geography, Environment and Earth Science International 28, no. 5 (2024): 87–106. http://dx.doi.org/10.9734/jgeesi/2024/v28i5772.

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Flooding is one of the most frequent and widespread of all environmental hazards and of various types and sizes. This study investigated the flood vulnerability levels in the lower Orashi River, Niger Delta Region, Nigeria. The study considered the landuse, soil texture, elevation, slope, stream power index (SPI), rainfall, drainage density and proximity to river channels as factors determining flood. The components of these factors were reclassified as lowly, moderately and highly vulnerable areas with assigned numbers 1, 2 and 3 respectively. All the maps were overlaid using the UNION module

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7

Clinton, Aloni. "The effects of lithological formations of the monotonous landscape in the Niger delta region." Open Access Journal of Science 5, no. 1 (2022): 108–9. http://dx.doi.org/10.15406/oajs.2022.05.00183.

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The Niger Delta is an area criss-crossed by network of Rivers and streams, its distributaries flood, erode transport and shape their channels, thereby determining the surrounding land-use and soil characteristics, as well as the lithological formations. The physical characteristics of the region is classified into five ecological zones of mangrove forest and coastal vegetation, freshwater swamp forest zone, lowland rainforest, derived savannah zone. Its geomorphologic factors are composed of sediment deposits washed from the inland and the flood plain of the region has river channels such as O

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8

Enetimi, Idah Seiyaboh, and Precious Kolawole Ebiotu. "Diversity and Levels of Bacteriological Contamination in Orashi River, Mbiama Community, River State, Nigeria." Journal of Advances in Microbiology 4, no. 3 (2017): 1–6. https://doi.org/10.9734/JAMB/2017/34671.

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This study evaluated the level and diversity bacteria contamination in River Orashi in Mbiama community, Rivers state of Nigeria. Triplicate samples were obtained from three stations viz: upstream, downstream and midstream. Standard bacteriological methods were employed for the analysis. Total heterotrophic bacteria, total coliform and fecal coliform ranged from 3.00 to 7.00 x 10<sup>6 </sup>cfu/ml, 12.00 to 15.67 MPN/100 ml and 7.00 to 14.00 MPN/100 ml respectively. Analysis of variance showed that there were no significance difference (P>0.05) among the various location apart from total h

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E S, Edori, Edori O S, and Bekee D. "Total Petroleum Hydrocarbons Contamination of the Surface Water and Sediments of Orashi River, Engenni, Ahoada West, Rivers State, Nigeria." Asian Review of Environmental and Earth Sciences 8, no. 1 (2021): 68–76. http://dx.doi.org/10.20448/journal.506.2021.81.68.76.

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The level of contamination of Orashi River by total petroleum hydrocarbons were investigated through the collection of surface water samples and sediment samples from four locations along the river. Determination of the level of contamination was done with the use of gas chromatography-flame ionization detector after following laid down clean-up procedures. The results obtained showed that total petroleum hydrocarbons in the surface water were 10.913±2.2022mg/L, 7.645±2.683mg/L, 9.074±2.1654mg/L and 12.212±3.3034mg/L for stations 1, 2, 3 and 4 respectively with a mean value of 9.961±2.5885mg/L

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10

Bisong, A. E., H. B. Oku, M. Willabo, P. D. Wodu, P. N. Wike, and E. S. Okara. "Morphometric Characteristics of the Lower Orashi River, Niger Delta Region, Nigeria." Journal of Applied Sciences and Environmental Management 28, no. 4 (2024): 1305–14. http://dx.doi.org/10.4314/jasem.v28i4.32.

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The study examined the spatial analysis of the morphometric characteristics of the Lower Orashi River, Niger Delta Region, Nigeria. The river course was segmented into 30 equal distances of 4.8m from each other and at each point, the morphometric parameters like width, depth, and flow velocity. The discharge was measured from these parameters. Descriptive and inferential statistics were employed for data analysis while results are presented using tables and graphs. Results showed that width of the river ranged from 77.90m to 2788.00m with the mean width of 318.83m. The depth ranged from 2.10 t

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Books on the topic "River Orashi"

1

Izeogu, Chukudi V. Drainage Characteristics and Flooding Problems in Ahoada West/East and Ogba-Egbema Ndoni Local Government Areas of Orashi-Sombreiro Plains of Rivers State, Nigeria. Outskirts Press, Incorporated, 2021.

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Book chapters on the topic "River Orashi"

1

George E.A.J., Thomas L., and Oko C. "Geotechnical characteristics of the meander belt soils of Niger Delta in Nigeria." In Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2005. https://doi.org/10.3233/978-1-61499-656-9-369.

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Three main sedimentary environments are distinguishable in the Niger Delta in Nigeria. These are the continental, transitional, and marine environments. The continental environment comprises the upper and lower flood plain environments made up of the braided streams and the meander belt systems. The area enclosed by the Orashi River in the east and the Forcados River and Ase River in the west and the mangrove swamps in the south form the meander belt of the Niger Delta. A significant proportion of the Niger Delta lies within the meander zone where the area is filled with sedimentary sand depos

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