Preprint Article Version 1 This version is not peer-reviewed

Study of the Water Quality of a Tropical Reservoir

Version 1 : Received: 26 December 2018 / Approved: 28 December 2018 / Online: 28 December 2018 (06:47:30 CET)

A peer-reviewed article of this Preprint also exists.

Quevedo-Castro, A.; Lopez, J.L.; Rangel-Peraza, J.G.; Bandala, E.; Bustos-Terrones, Y. Study of the Water Quality of a Tropical Reservoir. Environments 2019, 6, 7. Quevedo-Castro, A.; Lopez, J.L.; Rangel-Peraza, J.G.; Bandala, E.; Bustos-Terrones, Y. Study of the Water Quality of a Tropical Reservoir. Environments 2019, 6, 7.

Journal reference: Environments 2019, 6, 7
DOI: 10.3390/environments6010007

Abstract

A study of the water quality of the Adolfo López Mateos Reservoir (ALMD) was developed through different indicators from a spatial and seasonal perspective. Variables related to the general characteristics of water quality, trophic level and ecological risk were assessed through the water Quality Index (WQINSF-BROWN), Trophic State Index (TSICARLSON) and the Ecological Risk Index (RIHAKANSON). Using data from physical, chemical and biological parameters obtained from four sampling points in the ALMD, the water quality was assessed in each model used. The results indicated that the reservoir presents a water quality classified as “medium” (WQINSF-BROWN = 70), where significant variations in the concentrations of some parameters are observed. The reservoir showed a general trophic state classified as “Mesotrophic” (TSIGENERAL-AVERAGE = 43.04). The ecological risk analysis achieved the best classification of the methodology, discarding contamination by heavy metals in surface waters. Through this type of applied methodologies will help as decision making tools in the dam, as well as for application in other dams in the region.

Subject Areas

tropical reservoir; water quality index (WQI); trophic state index (TSI); ecological risk index (ERI); ecological risk assessment (ERA)

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