Arregocés Heli A, Rojano Roberto, Angulo Luis, Restrepo Gloria
Grupo de Investigación GISA, Facultad de Ingeniería, Universidad de La Guajira, Riohacha, Colombia.
Grupo Procesos Fisicoquímicos Aplicados, Facultad de Ingeniería, Universidad de Antioquia, Medellín, Colombia.
J Environ Public Health. 2018 Jul 29;2018:8532463. doi: 10.1155/2018/8532463. eCollection 2018.
Intake fraction was determined in this study to provide insight into population exposures to PM that is effectively inhaled due to emissions of an opencast coal mine. We applied the CALPUFF model to a coal mine in Northern Colombia, which has 6 active pits with an annual production of 33.7 million tons. We estimated the intake fractions for 7 towns through the integration of dispersion model results over the population data. The resulting average intake fractions were between 6.13 × 10 and 3.66 × 10 for PM. 62.4% of the intake fractions in the domain were calculated within a 23 km radius from the coal mine and coved 44.3% of the total population in this area. We calculated an estimate point for morbidity impacts using standard epidemiological assumptions. It is estimated that there were annually 105835 restricted activity days and 336832 respiratory symptom cases due to the direct impact of the opencast coal mining. These data also provide a framework for improved understanding of the effect of coal mining in Colombia.
本研究确定了吸入分数，以深入了解因露天煤矿排放而有效吸入颗粒物对人群的暴露情况。我们将CALPUFF模型应用于哥伦比亚北部的一座煤矿，该煤矿有6个活跃矿坑，年产量为3370万吨。我们通过将扩散模型结果与人口数据相结合，估算了7个城镇的吸入分数。颗粒物的最终平均吸入分数在6.13×10至3.66×10之间。该区域62.4%的吸入分数是在距煤矿23公里半径范围内计算得出的，覆盖了该地区44.3%的总人口。我们使用标准的流行病学假设计算了发病率影响的估计点。据估计，由于露天煤矿开采的直接影响，每年有105835个活动受限日和336832例呼吸道症状病例。这些数据也为更好地理解哥伦比亚煤矿开采的影响提供了一个框架。
