Monitoring of Atrazine Pollution and its Spatial-Seasonal Variation on Surface Water Sources of an Agricultural River Basin

被引:42
作者
Bachetti, Romina A. [1 ]
Urseler, Noelia [1 ]
Morgante, Veronica [2 ,3 ]
Damilano, Gabriela [4 ]
Porporatto, Carina [5 ]
Agostini, Elizabeth [6 ]
Morgante, Carolina [1 ]
机构
[1] Univ Nacl Villa Maria, IAP Ciencias Basicas & Aplicadas, A Jauretche 1555, RA-5900 Villa Maria, Cordoba, Argentina
[2] Univ Tecnol Metropolitana, Programa Inst Fomento Invest Desarrollo & Innovac, Ignacio Valdivieso 2409, Santiago 8940577, Chile
[3] Univ Bernardo OHiggins, Ctr Invest Recursos Nat & Sustentabilidad CIRENYS, Ave Viel 1497, Santiago 8370993, Chile
[4] Univ Nacl Rio Cuarto, Fac Ciencias Humanas, Dept Educ, Ruta Nacl 36 Km 601, RA-5800 Rio Cuarto, Cordoba, Argentina
[5] Univ Nacl Villa Maria, CONICET, Ctr Invest & Transferencia Villa Maria, Cordoba, Argentina
[6] Univ Nacl Rio Cuarto, Inst Biotecnol Ambiental & Salud, Fac Ciencias Exactas, INBIAS CONICET,Dept Biol Mol, Ruta Nacl 36 Km 601, RA-5800 Rio Cuarto, Cordoba, Argentina
关键词
Atrazine; Surface water; Pollution; Spatial-seasonal distribution; Herbicide persistence; PESTICIDES; SOILS; GLYPHOSATE; BEHAVIOR;
D O I
10.1007/s00128-021-03264-x
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Surface water sources are greatly impacted in areas with major agricultural land use. The atrazine quantification in surface waters as well as the spatial-temporal patterns of this herbicide was studied to detect pollution hotspots and to understand the putative factors responsible of its occurrence at the Ctalamochita river basin. The samples were collected on the aeolian fluvial plain of the river basin during five consecutive years. The results showed the high ubiquity of this compound and several sites with hazardous concentration (exceeding 0.1 mu g/L international guidelines). The frequencies of quantification range from 67 to 100% in spring and 33%-67% in autumn. The atrazine content in surface water increased during the warm-rainy season, as consequence of atrazine application events (coinciding to the prevalent crop type). Overall, the study highlights the factors that could have favored atrazine pollution in the river basin such as land use, transport by runoff processes and atmospheric deposition.
引用
收藏
页码:929 / 935
页数:7
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