Sedimentary record of the impact of management actions on pollution of Cartagena bay, Colombia

被引：5

作者：

Espinosa-Diaz, Luisa F. ^{[1
]}

Sanchez-Cabeza, Joan-Albert ^{[2
]}

Luis Sericano, Jose ^{[3
]}

Pablo Parra, Juan ^{[4
]}

Ibarra-Gutierrez, Karen P. ^{[1
]}

Antonio Garay-Tinoco, Jesus ^{[1
]}

Mauricio Betancourt-Portela, Julian ^{[1
]}

Alonso-Hernandez, Carlos ^{[5
]}

Carolina Ruiz-Fernandez, Ana ^{[2
]}

Quejido-Cabezas, Alberto ^{[6
]}

Diaz-Asencio, Misael ^{[7
,8
]}

机构：

[1] Inst Marine & Coastal Res Jose Benito Vives Andre, Santa Marta, Colombia

[2] Univ Nacl Autonoma Mexico, Mazatlan Acad Unit, Inst Marine Sci & Limnol, Mazatlan, Mexico

[3] Texas A&M Univ, College Stn, TX USA

[4] Antonio Narino Univ, Bogota, Colombia

[5] IAEA, Environm Labs, Monaco, Monaco

[6] Ctr Energy Environm & Technol Res CIEMAT, Madrid, Spain

[7] Ensenada Ctr Sci Res & Higher Educ, Ensenada, Baja California, Mexico

[8] Ctr Estudios Ambientales Cienfuegos, Carretera Castillo Jagua Km 1-5, Cienfuegos 59350, Cuba

来源：

MARINE POLLUTION BULLETIN | 2021年 / 172卷

关键词：

Contamination; Sediment; Management actions; Cartagena bay; Colombia; COASTAL; HYDROCARBONS; PB-210; CONTAMINATION; MERCURY; CUBA; FISH;

D O I：

10.1016/j.marpolbul.2021.112807

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The reconstruction of pollution in aquatic ecosystems is a useful tool to evaluate the effectiveness of management actions. Cartagena Bay (Colombia, Caribbean Sea) is one of the most impacted coastal zones in Colombia by a wide variety of human activities. A sediment core was dated using Pb-210 and used to reconstruct the historical input of heavy metals, polycyclic aromatic hydrocarbons (PAHs), and organochlorinated pesticides to the bay. The highest pollutant concentrations were observed in the deeper core layers. The maximum mercury concentration (18.76 mu g g(-1)) was observed at 61 cm depth, corresponding to 1967, when a chlor-alkali plant was operating. Since all pollutant concentrations have decreased due to better industrial management policies, their presence is a potential contamination risk through sediment remobilization and pollutant resuspension.

引用

页数：12

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