El clima durante el Plioceno en la región de Santa María Amajac, Hidalgo, México

The climate in which the Pliocene plant community of Santa María Amajac, Hidalgo, developed, was inferred using Climate Leaf Analysis Multivariate Program (CLAMP), which correlates leaf morphology with climate. The environmental parameters calculated were: mean annual temperature: 16.7 1.2C; warmest month mean temperature: 26.4 1.6C; coldest month mean temperature: 7C; growing season length: 9.2 months; mean growing season precipitation: 72 mm; three wettest months: 280 mm; three driest months: 62 mm: mean annual precipitation: 650 120 mm; relative humidity: 58%; specific humidity: 7.8 g/kg, and enthalpy: 309.5. These values suggest that the climate was a subhumid, temperate one, Ca(w)(w0)(e’).