Servicio Mareográfico de la UNAM http://www.mareografico.unam.mx/portal/ accesado el 8/feb/2019.
Abstract
UNAM's Mareographic Service protects, documents and analyzes tidal data from more than 50 years of measurements in more than 30 locations, and maintains sea level monitoring at various sites in the country. The measurement of sea level at UNAM represents one of the pioneering and most important efforts to monitor environmental variables in an operational way in Mexico.