Article

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

Universidad de Cantabria, Dep. Ingeniería Química y Química Inorgánica, Avda. Los Castros s/n, 39005 Santander, Cantabria, Spain.
Environmental Pollution (Impact Factor: 3.9). 03/2011; 159(5):1129-35. DOI: 10.1016/j.envpol.2011.02.008
Source: PubMed

ABSTRACT 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.

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    • "reduction in manufacturing, which has halved the production to levels similar to those experienced in 1995 (Celades et al. 2012). This is consistent with a recent study which documented that levels of PM 10 followed a similar trend of economic indicators (Arruti et al. 2011). To assess the degree of compliance in the area of study for the period 2006–2010, the PM 10 and PM 2.5 concentrations measured were compared with the guidelines given in the European Directive 2004/107 "
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    • "Indeed, this economic crisis has been most severely felt in the peripheral economic states of Europe such as Spain and Portugal, and Europe's fourth largest economy, Italy. A study performed by Arruti et al. (2011) has observed a direct link between levels of industrial trace elements and some economic indicators in northern Spain from 2008–2009. However , the study did not discover any direct relationship between the economic downturn and ambient PM levels. "
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    • "the marine aerosol contribution to PM 10 values at coastal areas . The PM 10 levels in the Cantabria region are in the range of the levels reported in other European cities ( Putaud et al . 2010 ) . Taking into account the EU regulation , the PM 10 annual limit was not exceeded and neither did the maximum number of 24 - h limit value exceedances ( Arruti et al . 2011 ) ."
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