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https://doi.org/10.1002/joc.610

has been cited by the following article:

• TITLE: Assessment of Spatial Distribution and Temporal Trends of Precipitation and Its Extremes over Nigeria

  AUTHORS: Moses Owoicho Audu, Emmanuel Ejembi, Tertsee Igbawua

  KEYWORDS: Climate Indices, Climate Extreme, Climate Change, Spatial Pattern, Temporal Trends, Nigeria

  JOURNAL NAME: American Journal of Climate Change, Vol.10 No.3, September 30, 2021

  ABSTRACT: This study analyzed the spatial distribution and temporal trends of precipitation and its extremes over Nigeria from 1979-2013 using climate indices, in order to assess climatic extremes in the country. Daily precipitation data used in this study were obtained from Nigeria Meteorological Agency (NIMET), Lagos. The study used climate indices developed by the Expert Team on Climate Change Detection (ETCCDI) for assessing extreme precipitation. Sen’s slope estimator and Mann-Kendall trend test were employed in data analysis. Results revealed that precipitation and its extremes varied spatially across Nigeria. Significant negative trends were observed in most of the precipitation indices for the period under study. Furthermore, significant downward trends were observed in the CWD (Consecutive Wet Day) while the CDD (Consecutive Dry Day) showed significant upward trends in all the regions. These spatial and temporal changes indicate that Nigeria’s climate is trending towards a warmer and drier condition, which could be attributed to global warming-induced climate change; which altered historical rainfall patterns thereby leading to extreme events. The findings of this study have provided useful information in understanding the extreme events that are assumed by the general populace to be normal recurrent events in Nigeria. The results of the analysis of yearly and decadal changes in precipitation totals and extreme values for the last 35 years (1979-2013) suggest the likelihood of severe impacts on water resources, agriculture, and water-sensitive economic activities