Relationship between the inorganic chemical composition of water, precipitation and evaporation in the basin of Rio Grande, Chone, Ecuador
Keywords:chemical processes, mineralization, bicarbonates, calcium
(Received: 2015/01/19 - Accepted: 2015/03/25)
In the Rio Grande basin, the Chone Multi-Purpose dam (PMCH) is built with an investment of approximately $66 million, to irrigate over 7000ha. The marked differences in precipitation could impair the quality of water; therefore the aim of this study was to establish the relationship between the ions and their location in the graph: relationship of ions and mechanisms of chemical processes, water behavior and trend setting. The study was a non-experimental, cross-sectional and descriptive research. 111 samples were collected in the group of channels that form the Rio Grande basin, in 2013 and 2014 during times of drought and rain. The parameters were measured in the sample anions and cations. The processes that control the chemistry of surface water in the studied area during the rainy season have a predisposition to mineralization in equilibrium with rocks. However, in the time of drought, water movement was observed towards the area where evaporation with respect to precipitation predominates, increasing the inorganic chemistry of the waters that, in time, could be extended.
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