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has been cited by the following article:

• TITLE: Effects of Natural Processes on Sea Level Change along the West African Coastline

  AUTHORS: Anoumou R. Tano, Sandrine Djakouré, Kouamé J. Koffi, Yves Kouadio, Yao Tchetche, Donatus B. Angnuureng, Angora Aman, François-Xavier B. D. Bouo, Appeaning Addo

  KEYWORDS: Coastal Sea Level, River Discharge, Heat Content, West African Coast

  JOURNAL NAME: Open Journal of Marine Science, Vol.14 No.4, October 29, 2024

  ABSTRACT: Coastal hazards induced by meteo-marine forcing are exacerbated by sea level change along the West African coastline. Changes in sea level are induced by ocean processes such as ocean heat content and river discharge. However, although these processes control largely change in sea level, they remain poorly understood. This study analyzes changes in ocean heat content, river discharge, and sea level and establishes an interconnection between these parameters using several statistical methods over the 1993-2021 period. Results showed a significant correlation between sea level and ocean heat content at 2000 m depth. The yearly minimum value appears in July from Cote d’Ivoire to Benin, whilst this value appears in June in Nigeria. The temporal variability of ocean heat content, river discharge and sea level along the West African coastline exhibits three or four periods interrupted by some breakpoints with unequal duration. The results indicate that the 1993-2000 period was dominated by an increasing ocean heat content along the coastline, while the period after the 2000s exhibits mostly a decreasing trend. Positive and negative trends characterized river discharge and sea level along this coastline. The result of multiple linear regression between sea level, river discharge and ocean heat content is a good approximation of sea level trend along the West African coastline. The results of this study could be used to predict future sea level trends along the coast.