African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007
  • Published Articles: 1126

Full Length Research Paper

Urban climate variability trend in the coastal region of Mombasa Kenya

Innocent Osoro Ngare
  • Innocent Osoro Ngare
  • Department of Postgraduate and Research, Amoud University, Amoud Valley Borama, Somaliland.
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James Kibii Koske
  • James Kibii Koske
  • Department of Environmental Science and Education, Kenyatta University, P. O. Box 43844 -00100 Nairobi, Kenya.
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John Njagi Muriuki
  • John Njagi Muriuki
  • Department of Environmental Science and Education, Kenyatta University, P. O. Box 43844 -00100 Nairobi, Kenya.
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Evelyn Wemali Chitechi
  • Evelyn Wemali Chitechi
  • Department of Environmental Science and Education, Kenyatta University, P. O. Box 43844 -00100 Nairobi, Kenya.
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George Njagi Gathuku
  • George Njagi Gathuku
  • Department of Environmental Science and Education, Kenyatta University, P. O. Box 43844 -00100 Nairobi, Kenya.
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  •  Received: 14 March 2020
  •  Accepted: 28 July 2020
  •  Published: 31 August 2020

Abstract

The world population in global south countries is increasing. This fast growth has heightened urban ecological footprint that contributes to anthropogenic forcing triggering of the climate system. From this study, climate variability trend dynamics in Mombasa County, a coastal urban area in Kenya was examined. A retrospective study was done (1989-2019) to determine the changes in temperature and rainfall in the area of study. The results show that climate variability was experienced in Mombasa with a maximum temperature t=-5.628, df=23, P:0.000 and a minimum of t= -5.401, df=23, P:0.000, total rainfall t=2.025, df=23, P:0.275. The linear regression analysis shows rainfall variation y = -9.588x + 1217.1 and temperature y =0.0258x + 29.888 with an increase of +0.4°C. The annual maximum temperature averages show heterogeneous distribution from kurtosis coefficient with little observed skewness.

 

Key words: Rainfall, temperature, urbanization, retrospective.

Copyright © 2024 Author(s) retain the copyright of this article.

This article is published under the terms of the Creative Commons Attribution License 4.0

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