(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° Cyear− 1 for the last
40 years with predicted differences as high as 8° C for the year 2050. The Regional
Atmospheric Model System (RAMS) was used to validate the presence of this UHI and to
simulate and compare three different land use scenarios consisting of potential natural …