Regional Hydrogeochemical Evolution of Groundwater in the Ring of Cenotes, Yucatán (Mexico): An Inverse Modelling Approach

The Ring of Cenotes (RC) extends along the edge Chicxulub crater, in limestone platform Yucatan Peninsula (YP), where groundwater shows two preferential flow paths toward coast near Celestun and Dzilam Bravo towns. objectives this study were to describe regional hydrogeochemical evolution RC, its association with dissolution/precipitation minerals present pathway ocean. These results obtained by: (a) characterizing hydrogeochemistry; (b) calculating calcite, dolomite, gypsum saturation indexes area; (c) developing a model using PHREEQC (U. S. Geological Survey) inverse modelling approach. predictions confirmed that there are pathways consistent suggested previous regionalization RC. On western path, flows towards Celestun, marine intrusion influences processes represents risk for freshwater. eastern Bravo, rainfall has an important effect on processes, evidenced by higher concentration sulfates during droughts than rainy periods. Then, monitoring phases dissolution RC is highly recommended.