Arid
DOI10.1080/10962247.2016.1153528
Spatial and temporal variability in desert dust and anthropogenic pollution in Iraq, 1997-2010
Chudnovsky, A. Alexandra1,2; Koutrakis, Petros2; Kostinski, Alex3; Proctor, Susan P.4,5,6; Garshick, Eric7,8
通讯作者Chudnovsky, A. Alexandra
来源期刊JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION
ISSN1096-2247
EISSN2162-2906
出版年2017
卷号67期号:1页码:17-26
英文摘要

Satellite imaging has emerged as a method for monitoring regional air pollution and detecting areas of high dust concentrations. Unlike ground observations, continuous data monitoring is available with global coverage of terrestrial and atmospheric components. In this study we test the utility of different sources of satellite data to assess air pollution concentrations in Iraq. SeaWiFS and MODIS Deep Blue (DB) aerosol optical depth (AOD) products were evaluated and used to characterize the spatial and temporal pollution levels from the late 1990s through 2010. The AOD and Angstrom exponent (an indicator of particle size, since smaller Angstrom exponent values reflect a source that includes larger particles) were correlated on 50 x 50 km spatial resolution. Generally, AOD and Angstrom exponent were inversely correlated, suggesting a significant contribution of coarse particles from dust storms to AOD maxima. Although the majority of grid cells exhibited this trend, a weaker relationship in other locations suggested an additional contribution of fine particles from anthropogenic sources. Tropospheric NO2 densities from the OMI satellite were elevated over cities, also consistent with a contribution from anthropogenic sources. Our analysis demonstrates the use of satellite imaging data to estimate relative pollution levels and source contributions in areas of the world where direct measurements are not available.


Implications: The authors demonstrated how satellite data can be used to characterize exposures to dust and to anthropogenic pollution for future health related studies. This approach is of a great potential to investigate the associations between subject-specific exposures to different pollution sources and their health effects in inaccessible regions and areas where ground monitoring is unavailable.


类型Article
语种英语
国家Israel ; USA
收录类别SCI-E
WOS记录号WOS:000392659700003
WOS关键词AEROSOL OPTICAL DEPTH ; PARTICULATE MATTER CONCENTRATIONS ; DAILY EMERGENCY ADMISSIONS ; STORM EVENTS ; HOSPITAL ADMISSIONS ; RESPIRATORY SYMPTOMS ; EXPOSURE ASSESSMENT ; CASE-CROSSOVER ; AIR-POLLUTION ; SAHARAN DUST
WOS类目Engineering, Environmental ; Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Engineering ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200824
作者单位1.Tel Aviv Univ, Dept Geog & Human Environm, Tel Aviv, Israel;
2.Harvard TH Chan Sch Publ Hlth, Dept Environm Hlth, Boston, MA USA;
3.Michigan Technol Univ, Houghton, MI 49931 USA;
4.US Army Res Inst Environm Med, Mil Performance Div, Natick, MA USA;
5.Boston Univ, Sch Publ Hlth, Dept Environm Hlth, Boston, MA USA;
6.VA Boston Healthcare Syst, Res Serv, Boston, MA USA;
7.VA Boston Healthcare Syst, Med Serv, Pulm Allergy Sleep & Crit Care Med Sect, Boston, MA USA;
8.Harvard Med Sch, Brigham & Womens Hosp, Channing Div Network Med, Boston, MA USA
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Chudnovsky, A. Alexandra,Koutrakis, Petros,Kostinski, Alex,et al. Spatial and temporal variability in desert dust and anthropogenic pollution in Iraq, 1997-2010[J],2017,67(1):17-26.
APA Chudnovsky, A. Alexandra,Koutrakis, Petros,Kostinski, Alex,Proctor, Susan P.,&Garshick, Eric.(2017).Spatial and temporal variability in desert dust and anthropogenic pollution in Iraq, 1997-2010.JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION,67(1),17-26.
MLA Chudnovsky, A. Alexandra,et al."Spatial and temporal variability in desert dust and anthropogenic pollution in Iraq, 1997-2010".JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 67.1(2017):17-26.
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