F-Hydra Index for Evaluating Groundwater Vulnerability in Data Scarce Regions

Kabo-bah, Amos T.; Appiah-Sefah, Gloria; Anornu, G. K.; Kyereh, Boateng

doi:10.5296/jee.v5i1.5361

Cited by 2 publications

(4 citation statements)

References 19 publications

(16 reference statements)

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“…The F-hydra model employs the objective as well as the subjective based vulnerability models. The F-hydra model was developed by Kabo-bah et al (2014), which considers 3 core parameters as critical in the determination of the extent of vulnerability of the aquifer to contamination. The main condition in the use of the F-hydra model is to understand the basic parameters, namely flow accumulation (fa), hydraulic conductivity (hyd), and landcover (lan).…”

Section: The F-hydra Modelmentioning

confidence: 99%

“…In general, the fa parameter is used to define the drainage pattern of terrain and provides information about the potential availability of groundwater recharge from rainfall. The hyd parameter is a function of the recharge rate, aquifer thickness, and the length of effective groundwater drainage, while the lan parameter, on the other hand, is a function of the soil type, rock formation and slope (Kabo-bah et al, 2014). 6 and Table 3.…”

Section: The F-hydra Modelmentioning

confidence: 99%

“…The F-hydra model has not been applied widely in aquifer vulnerability studies. Kabo-bah et al (2014), utilized this newly developed F-hydra index to evaluate the pollution potential of the Densu Basin. The results indicated that more than 65% of the entire landmass is highly susceptible to pollution once they occur while less than 2% of the total areas were classified as low.…”

Section: Instance(s) Of F-hydra Model Application and Limitationsmentioning

confidence: 99%

“…Notwithstanding, the F-hydra as compared to other models has certain practical constraints. Several drawbacks of the F-hydra model include: 1) Lateral flow of contaminant in the saturated zone is not considered (Kabo-bah et al, 2014); 2) Complexity in updating maps (Gogu & Dassargues, 2000); and; 3) Inaccurate in predicting the extent of pollution or vulnerability to some degree in the subsurface region (Kabo-bah et al, 2014).…”

Section: Instance(s) Of F-hydra Model Application and Limitationsmentioning

confidence: 99%

See 3 more Smart Citations

Integration of GIS and F-Hydra Model for Aquifer Vulnerability Monitoring in the Afram Plains, Ghana

Agyare¹,

Kabo-bah²,

Bayel³

et al. 2021

GEP

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Aquifer vulnerability is a critical issue across the entire globe due to the depletion of groundwater and escalation of pollution levels, which poses a detrimental effect on the natural environment. To ascertain this contamination risk, an extensive study has been conducted to assess the aquifer vulnerability by using the F-hydra model. This paper presents the vulnerability technique for the theory and application of flow accumulation, land-use and hydraulic conductivity. The model was applied to a shallow aquifer in eastern Ghana's Volta River Basin, with the results being compared to the standardised DRASTIC model. The model follows the aquifer vulnerability assessment concept of the source pathway receptor where flow accumulation represents the ponding areas with downward percolation of contaminant to the water table, land-use represents the human activities at the land surface, and hydraulic conductivity represents the driving force leading to the movement of contaminant. The results reveal that the moderate vulnerability region covers 51.55% (2598.12 km 2 ) of the entire area. The high and low vulnerability regions cover a significant percentage of the area 1.13% (56.52 km 2 ) and 47.32% (2384.93 km 2 ), respectively. The final vulnerability index was largely influenced by the removal of the hydraulic conductivity and land-use parameters. The model was validated with nitrate concentration in drilled wells in the study area. The maps produced in this study could be utilised as a guide to vulnerability by policymakers, groundwater manager and planners aimed at preserving the integrity of this vulnerable resource.

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Section: The F-hydra Modelmentioning

confidence: 99%

Section: The F-hydra Modelmentioning

confidence: 99%

Section: Instance(s) Of F-hydra Model Application and Limitationsmentioning

confidence: 99%

Section: Instance(s) Of F-hydra Model Application and Limitationsmentioning

confidence: 99%

See 2 more Smart Citations

Integration of GIS and F-Hydra Model for Aquifer Vulnerability Monitoring in the Afram Plains, Ghana

Agyare¹,

Kabo-bah²,

Bayel³

et al. 2021

GEP

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Green Cimahi watershed for balancing water supply and flood control

Safarina

Karnisah

Permana

et al. 2019

IOP Conf. Ser.: Mater. Sci. Eng.

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Lack and damage of clean water and also flooding occurred in Cimahi river basin. Water sources polluted by industry and human activities. The purpose of this study was to design the water balance model of the Cimahi watershed as a Green Watershed. The study locations were the Cimahi river, Cilember river, Cibeureum river and Cisangkan river, which flow through the city of Cimahi. The method used is the analysis of the rainfall runoff model with the hydrograph of convolution method in the four watersheds, land use analysis, runoff coefficient analysis, dilution model analysis, groundwater analysis and demographic analysis. The results of this study is Design Green Cimahi Watershed that re-functioning local drainage to maintain the hydrological storage capacity of all watersheds in the city of Cimahi, normalizing Cilember river to reach the width of the river by 5.6 m from the previous width of 1.5 m, and the river capacity which was 4.8 m3 / s to 42.37 m3 / s so that enough to accommodate Q50 flood discharge, enforcing the rule that every industry must process its waste through a waste processing plant, building Pasirkaliki retention ponds that can function for groundwater conservation, flood control and clean water needs.

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F-Hydra Index for Evaluating Groundwater Vulnerability in Data Scarce Regions

Cited by 2 publications

References 19 publications

Integration of GIS and F-Hydra Model for Aquifer Vulnerability Monitoring in the Afram Plains, Ghana

Integration of GIS and F-Hydra Model for Aquifer Vulnerability Monitoring in the Afram Plains, Ghana

Green Cimahi watershed for balancing water supply and flood control

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