Climate Change Impact on Sub-Surface Hydrology of Kaduna River Catchment

Haruna Garba, Abubakar Ismail, Rabia Lawal Batagarawa, Saminu Ahmed, Abdullahi Ibrahim, Faustinus Bayang

Department of Civil Engineering, Nigerian Defence Academy, Kaduna, Nigeria.
Department of Water Resources and Environmental Engineering, Ahmadu Bello University, Zaria, Nigeria..

DOI: 10.4236/ojmh.2013.33015                

Abstract

This paper applied the use of a stochastic weather generator at the site of a hydrological model to simulate the impact of climate change on the sub-surface hydrological response of Kaduna River as a basis for a sustainable ground water development plan. Average time series of rainfall, temperature and gauge height observed readings were downscaled to the watershed flow volume and applied as forcing to simulate the ground water response as spatially lumped, ignoring the heterogeneous nature of the ground water aquifer. Future simulations indicate increase in base flow, ground storage and decrease soil storage throughout the summer and autumn months for the catchment.

Keywords

Climate Change; Simulation; Ground Storage; Soil Storage; Base Flow

Conflicts of Interest

The authors declare no conflicts of interest.

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