Unidad de Química Sisal, Facultad de Química, Universidad Nacional Autónoma de México, Puerto de Abrigo Sisal, 97355, Sisal, Yucatán, Mexico.
Centro de Investigaciones Regionales, Universidad Autónoma de Yucatán, 97000, Mérida, Yucatán, Mexico.
Bull Environ Contam Toxicol. 2022 Jan;108(1):37-42. doi: 10.1007/s00128-021-03212-9. Epub 2021 Apr 15.
Surface water samples from the Perdido study area presented Cd and V concentrations similar to those reported internationally for waters with: (1) fossil fuel extraction, processing and burning, and (2) sites polluted by anthropogenic wastewater. Results showed an order of magnitude increase in time for Cd, therefore, no general average value was established. For V, however, results of this study suggest a general average value of 1.4 µg L for the area. The observed spatial variation of concentrations could be the result of: (1) temporal variation of external inputs to the area, and coincide with previously reported hydrodynamic patterns of dispersion related to significant river contributions and accumulation areas indicative of eddy circulation or fronts. The Perdido area showed Cd and V concentrations in surface water reflective of anthropogenic impacts, while its spatial and temporal variation could depend significantly on the hydrodynamics of the area.
(1)化石燃料的开采、加工和燃烧,以及(2)受人为废水污染的地点。结果表明,镉的浓度随时间呈数量级增加,因此,未建立一般平均值。然而,对于钒,本研究的结果表明该地区的一般平均值为 1.4μg/L。所观察到的浓度空间变化可能是:(1)该地区外部输入的时间变化,与先前报道的与主要河流贡献和表明涡流或锋面的积累区有关的分散的水动力模式相吻合。皮迪多地区的地表水呈现出受人为影响的镉和钒浓度,而其时空变化可能在很大程度上取决于该地区的水动力。