Impact of the global economic crisis on metal levels in particulate matter (PM) at an urban area in the Cantabria Region (Northern Spain)

被引：37
作者：
Arruti, A. [1 ]
Fernandez-Olmo, I. [1 ]
Irabien, A. [1 ]
机构：
[1] Univ Cantabria, Dep Ingn Quim & Quim Inorgan, E-39005 Santander, Cantabria, Spain
来源：
ENVIRONMENTAL POLLUTION | 2011年 / 159卷 / 05期
关键词：
Urban air pollution; Trace metals; Particulate matter; Economic crisis; SOURCE APPORTIONMENT; CHEMICAL-CHARACTERIZATION; INDUSTRIAL SITES; RECEPTOR MODELS; TRACE-ELEMENTS; AMBIENT PM10; AIR; EMISSION;
D O I：
10.1016/j.envpol.2011.02.008
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Air pollution by particulate matter is well linked with anthropogenic activities; the global economic crisis that broke out in the last year may be a proper indicator of this close relationship. Some economic indicators show the regional effects of the crisis on the Cantabria Region. The present work aims to evaluate the impact of the economic crisis on PM10 levels and composition at the major city of the region, Santander. Some metals linked to anthropogenic activities were measured at Santander and studied by Positive Matrix Factorization; this statistical analysis allowed to identify three main factors: urban background, industrial and molybdenum-related factor. The main results show that the temporal trend of the levels of the industrial tracers found in the present study are well agree with the evolution of the studied economic indicators; nevertheless, the urban background tracers and PM10 concentration levels are not well correlated with the studied economic indicators. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1129 / 1135
页数：7
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