ORIGINAL RESEARCH
Seasonal Trend Indicators and Return Periods
of Meteorological Drought in the Northern States
of Mexico
Omar Llanes Cárdenas1, Héctor J. Peinado Guevara2, Jorge Montiel Montoya1,
Mariano Norzagaray Campos1, Héctor A. González Ocampo1,
Samuel Campista León3
Pol. J. Environ. Stud. 2017;26(4):1471-1484