Contaminants in the coastal karst aquifer system along the Caribbean coast of the Yucatan Peninsula, Mexico

被引:134
作者
Metcalfe, Chris D. [1 ]
Beddows, Patricia A. [2 ]
Gold Bouchot, Gerardo [3 ]
Metcalfe, Tracy L. [1 ]
Li, Hongxia [1 ]
Van Lavieren, Hanneke [4 ]
机构
[1] Trent Univ, Worsfold Water Qual Ctr, Peterborough, ON K9J 7B8, Canada
[2] Northwestern Univ, Dept Earth & Planetary Sci, Evanston, IL USA
[3] CINVESTAV Unidad Merida, Dept Recursos Mar, Yucatan, Mexico
[4] UNU INWEH, Hamilton, ON, Canada
关键词
Passive sampling; Pharmaceuticals; Herbicide; Karst; Coastal aquifers; Yucatan; Caribbean; Meso-American Barrier Reef System; POLYBROMINATED DIPHENYL ETHERS; CHEMICAL INTEGRATIVE SAMPLERS; MEMBRANE DEVICES SPMDS; LOWER GREAT-LAKES; WASTE-WATER; ORGANIC CONTAMINANTS; DEGRADATION-PRODUCTS; SPATIAL-PATTERNS; SYNTHETIC MUSKS; GOLF-COURSES;
D O I
10.1016/j.envpol.2010.11.031
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Intensive land development as a result of the rapidly growing tourism industry in the "Riviera Maya" region of the Yucatan Peninsula, Mexico may result in contamination of groundwater resources that eventually discharge into Caribbean coastal ecosystems. We deployed two types of passive sampling devices into groundwater flowing through cave systems below two communities to evaluate concentrations of contaminants and to indicate the possible sources. Pharmaceuticals and personal care products accumulated in the samplers could only have originated from domestic sewage. PAHs indicated contamination by runoff from highways and other impermeable surfaces and chlorophenoxy herbicides accumulated in samplers deployed near a golf course indicated that pesticide applications to turf are a source of contamination. Prevention and mitigation measures are needed to ensure that expanding development does not impact the marine environment and human health, thus damaging the tourism-based economy of the region. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:991 / 997
页数:7
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