Soil Quality Modeling of a Highly Acidic Eutric-tropofluvent Soil

Uzoije, Atulegwu Patrick; Onunkwo, A.A.

doi:10.3923/ijss.2011.164.175

Cited by 5 publications

(5 citation statements)

References 7 publications

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“…While working on soil characteristics affected by long term application of sewage waste water. These values are below the range with the values reported by Ikwa et al, (2008), but higher than the values reported by Uzoije and Onunkwo, (2011) who reported the pH values of all the soil samples analysed from the two towns were close, ranging from 7.01 to 7.99.…”

Section: Resultscontrasting

confidence: 72%

Effects of effluent discharge on man and soil ecosystem in Calabar, south southern Nigeria

Umoh¹,

Ikwa²,

Uchendu³

2019

Journal of Applied Sciences and Environmental Management

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The impact of Flour Mill Effluent (FME) on soil physicochemical properties at Ekorinim in Calabar, Cross River State, Nigeria, were analyzed at the depths of 0-15cm and 15-30cm. Conventional analytical methods were employed for the determination of these physicochemical parameters. The results of the physicochemical analysis showed that the Bulk density in polluted soil ranged from the mean SD 1.23 ± 1.45mg/dm 3 and the mean value of non-contaminated soil was 7.4.1±1.20 (mg/dm 3), the porosity of polluted soil 0.48 ± 0.55(mg/dm 3) and non-polluted soil 0.48 ± 0.33mg/dm 3. The pH values in all the sites ranged from 5.01 to 5.70, indicating acidity of the soils. The Soil Organic Carbon concentration values ranged from of O.57%-2.39% in both polluted and non-polluted soils, indicating presence of some organic matter and microbiological activities in the soil samples. The Electrical Conductivity of contaminated soil is extremely saline, while the one of non-polluted soil is very saline indicating significant presence of some soluble inorganic salts in soils studied. Minerals such as Nitrogen, Phosphorus and Potassium recorded highest concentration in soil with effluent discharged. CEC in polluted and non-polluted soil have mean standard deviation of 2.15 ± 0.74 cmol kg-¹, 1.79 ± 0.74 cmol kg¯¹ respectively, lower than the critical limit of <0.6 cmol kg¯¹ which is low in nature. Significant differences in the levels of manganese, iron, chromium, magnesium, nitrate, clay and sand, temperature, conductivity pH, and CEC across the different Sampling locations and the topsoil of Flour Mill Effluent were observed (ANOVA, p ≤ 0.05) Overall results indicated that, Flour Mill Effluent can add nutrients to the soils if properly harnessed to eliminate heavy metals which constitute a major health risk to the local population through pollution.

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Section: Resultscontrasting

confidence: 72%

Effects of effluent discharge on man and soil ecosystem in Calabar, south southern Nigeria

Umoh¹,

Ikwa²,

Uchendu³

2019

Journal of Applied Sciences and Environmental Management

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“…In order to establish the relationship between soil and the environment, in science and engineering, many forms of models have been used, such as they are: the Philip model, the Richard equation, the Hortonn model [43].…”

Section: Figurementioning

confidence: 99%

“…Three models (linear, logarithmic, polynomial, and quadratic models) have often been developed to test their adequacy to experimental data correlated to heavy metals [43,44]. Validation of these models by direct analysis and comparison of the experimental data with the precise ones, indicates the percentage deviation (DV), determined with the relation (Eq.…”

Section: Figurementioning

confidence: 99%

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Evaluate the Impact of Soil Contamination on Vegetables and Fruits

Pruteanu¹

2023

Heavy Metals - Recent Advances

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In the chapter will be presented: scientific substantiation on the models used worldwide to evaluate the contamination of soil, respectively vegetables and fruits; development of theoretical models to evaluate the impact of soil contamination by heavy metals on vegetables and fruits; testing of theoretical models in real conditions based on data obtained from laboratory; development of mathematical models to evaluate the impact on soil contamination on vegetables and fruits and thus on consumers health. The research presented in the chapter aim to develop some original models on the correlation between the level of soil contamination, respectively the remanence of heavy metal in vegetables and fruits harvested for consumption in fresh state. The statistical mathematical models elaborated by the interpolation of the experimental data are models with practical applications in both scientific research and agricultural management.

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“…Also, [10] utilized resistivity data and local geology to evaluate the groundwater potential in a deltaic plain deposit. Furthermore, researchers such as [11] [12] and [13] also used the resistivity method in their studies within the Ajali Formation, however, the identification of aquitard units within the formation by [14] and failure of boreholes in some of the area prompted the use of SP logs to validate the results from the resistivity technique. [15] investigated the groundwater occurrence at Obollo Affor, southeastern Nigeria using integrated geophysical methods, essentially electrical resistivity and Self-potential (SP) well log and got a highly confident result as the borehole (SP log) helped to identify the saturated zone despite the presence of some clay beds which had resistivity values close to that of water.…”

Section: Introductionmentioning

confidence: 99%

Integrated Geological and Geophysical Mapping for Groundwater Potential Studies at Ekwegbe-Agu and Environs, Enugu State, Nigeria

Ugbor,

Ogbodo,

Eze

2024

OJG

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The study integrates both the geological and geophysical mapping techniques for groundwater potential studies at Ekwegbe-Agu and the environs, Enugu state, Nigeria for optimal citing of borehole. Located in the Anambra Basin between latitudes 6˚43'N and 6˚47'N and longitudes 7˚28'E and 7˚32'E, it is stratigraphycally underlain by, from bottom to top, the Enugu/Nkporo, Mamu and Ajali Formation respectively, a complex geology that make citing of productive borehole in the area problematic leading to borehole failure and dry holes due to inadequate sampling. The study adopted a field and analytic sampling approach, integrating field geological, electrical resistivity and self-potential methods. The software, SedLog v3.1, InterpexIx1Dv.3, and Surfer v10 were employed for the data integration and interpretation. The result of the geological field and borehole data shows 11 sedimentary facies consisting of sandstone, shales and heterolith of sandstone/shale, with the aquifer zone mostly prevalent in the more porous sand-dominated horizons. Mostly the AK and HK were the dominant curve types. An average of 6 geo-electric layers were delineated across all transects with resistivity values ranging from 25. 42 -105.85 Ωm, 186.38 -3383.3 Ωm, and 2992 -6286.4 Ωm in the Enugu, Mamu and Ajali Formations respectively. The resistivity of the main aquifer layer ranges from 1 to 500 Ωm. The aquifer thickness within the study area varies between 95 and 140 m. The western and northwestern part of the study area which is underlain mainly by the Ajali Formation showed the highest groundwater potential in the area and suitable for citing productive boreholes.

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Soil Quality Modeling of a Highly Acidic Eutric-tropofluvent Soil

Cited by 5 publications

References 7 publications

Effects of effluent discharge on man and soil ecosystem in Calabar, south southern Nigeria

Effects of effluent discharge on man and soil ecosystem in Calabar, south southern Nigeria

Evaluate the Impact of Soil Contamination on Vegetables and Fruits

Integrated Geological and Geophysical Mapping for Groundwater Potential Studies at Ekwegbe-Agu and Environs, Enugu State, Nigeria

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