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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Revuelta, María Aránzazu McIntosh, Gregg Pey, Jorge Pérez, Noemi Querol, Xavier Alastuey, Andrés |
| Spatial Coverage | Spain |
| Description | Country affiliation: Spain Author Affiliation: Revuelta MA ( State Meteorological Agency of Spain (AEMET), c/Leonardo Prieto Castro 8, 28071 Madrid, Spain.); McIntosh G ( Geosciences Institute (IGEO, UCM-CSIC), Geology Faculty, c/ Jose Antonio Navais 2, Ciudad Universitaria, 28040 Madrid, Spain); Pey J ( Institute of Environmental Assessment and Water Research, Spanish Research Council (IDAEA-CSIC), c/Jordi Girona 18-26, 08034 Barcelona, Spain); Pérez N ( Institute of Environmental Assessment and Water Research, Spanish Research Council (IDAEA-CSIC), c/Jordi Girona 18-26, 08034 Barcelona, Spain.); Querol X ( Institute of Environmental Assessment and Water Research, Spanish Research Council (IDAEA-CSIC), c/Jordi Girona 18-26, 08034 Barcelona, Spain.); Alastuey A ( Institute of Environmental Assessment and Water Research, Spanish Research Council (IDAEA-CSIC), c/Jordi Girona 18-26, 08034 Barcelona, Spain.) |
| Abstract | A combined magnetic-chemical study of 15 daily, simultaneous PM10-PM2.5-PM1 urban background aerosol samples has been carried out. The magnetic properties are dominated by non-stoichiometric magnetite, with highest concentrations seen in PM10. Low temperature magnetic analyses showed that the superparamagnetic fraction is more abundant when coarse, multidomain particles are present, confirming that they may occur as an oxidized outer shell around coarser grains. A strong association of the magnetic parameters with a vehicular PM10 source has been identified. Strong correlations found with Cu and Sb suggests that this association is related to brake abrasion emissions rather than exhaust emissions. For PM1 the magnetic remanence parameters are more strongly associated with crustal sources. Two crustal sources are identified in PM1, one of which is of North African origin. The magnetic particles are related to this source and so may be used to distinguish North African dust from other sources in PM1. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 188 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Aerosols Analysis Air Pollutants Environmental Monitoring Atmosphere Chemistry Cities Dust Magnetics Particle Size Particulate Matter Spain Vehicle Emissions Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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