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Trend Analysis of Reference Evapotranspiration; Case Study of Asaba and Uyo, South-South Nigeria 111
Alabi, Habeeb Adedotun; Ewemoje, Temitayo Abayomi; Umego, Okwunna Maryjane.
Temporal trend analysis of monthly mean RET estimates using FAO-56 PM model was performed using the Non-Parametric Mann-Kendall (MK) and Sen’s test for Asaba and Uyo over the period of 41 and 35 years respectively. In Asaba, reference evapotranspiration (RET or ETo) showed an overall increasing trend ranging from MK Z values of 0.80 to 2.93 except for June (-0.75) and September (-1.16) which declined insignificantly. For Uyo, RET showed an insignificant decreasing trend (P>0.1) with MK Z values ranging from -0.09 to -1.65 except for November (0.91) which insignificantly increased at P>0.1. For detailed evaluation of the trends, RET was separated into aerodynamic and radiation terms and their trend analysis were performed. In Asaba, the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Reference Evapotranspiration (RET); Trends; FAO-56 PM Model; Mann-Kendall; Sen; Meteorological.
Ano: 2020 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5859
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