Godwin Otunyo Amuchi

Comparative Analysis of Stationary and Non-stationary Rainfall Intensity-Duration-Frequency Using GEV Models for Abakaliki, Ebonyi State, Nigeria

Chimeme Martin Ekwueme, Ify Lawrence Nwaogazie, Godwin Otunyo Amuchi & Jonathan Onyekachi Irokwe · International Journal of Environment and Climate Change · 2025

Several regions in the world are currently experiencing changes in their climatic conditions. However, these changes are not reflected in how the Intensity-Duration-Frequency curve modelling is done, as “stationarity” is still assumed. Stationarity assumes that the statistical pa...

Open access Research Article 10.9734/ijecc/2025/v15i84956

Modeling Rainfall Intensity-Duration-Frequency (IDF) and Establishing Climate Change Existence in Abakaliki-Nigeria Using a Non-Stationary Approach

Chimeme Martin Ekwueme, Ify Lawrence Nwaogazie, Chiedozie Francis Ikebude, Godwin Otunyo Amuchi & Jonathan Onyekachi Irokwe · International Journal of Environment and Climate Change · 2025

Rainfall Intensity Duration Frequency (IDF) models are essential tools for obtaining the rainfall intensity necessary for designing hydraulic structures. Underestimation of rainfall intensities from stationary rainfall models can lead to inadequate designs. Stationary models fail...

Open access Research Article 10.9734/ijecc/2025/v15i44826