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Urban heat island effect analysis for San Juan, Puerto Rico

A climatological analysis of the differences of air temperature between rural and urban areas (dT(U–R)) corroborates the existence of an urban heat island (UHI) in the tropical coastal city of San Juan, Puerto Rico that has been increasing at a rate of 0.06 °C year−1 for the last 40 years with predicted differences as high as 8 °C for the year 2050.

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