A space-based, high-resolution view of notable changes in urban NOx pollution around the world (2005–2014)

Journal of Geophysical Research

Volumn 121, Issue 2, 2016, Pages 976-996

  Duncan, Bryan N ^a   Lamsal, Lok N ^a,b   Thompson, Anne M ^a   Yoshida, Yasuko ^a,c   Lu, Zifeng ^d   Streets, David G ^d   Hurwitz, Margaret M ^a,e   Pickering, Kenneth E ^a  

^a NASA GODDARD SPACE FLIGHT CENTER   (United States)

^b UNIVERSITIES SPACE RESEARCH ASSOCIATION   (United States)

^c SCIENCE SYSTEMS AND APPLICATIONS INC   (United States)

^d ARGONNE NATIONAL LABORATORY   (United States)

^e MORGAN STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AIRBORNE SURVEY; AURA (SATELLITE); EMISSION; EMISSION CONTROL; GLOBAL CHANGE; GREENHOUSE GAS; MONITORING SYSTEM; NITROGEN OXIDES; POLLUTANT SOURCE; POLLUTANT TRANSPORT; POLLUTION MONITORING; URBAN POLLUTION;

CHINA; WORLD;

EID: 84958186190     PISSN: 01480227     EISSN: 21562202     Source Type: Journal    
DOI: 10.1002/2015JD024121     Document Type: Article

References (110)

1. Akimoto, H., Y. Mori, K. Sasaki, H. Nakanishi, T. Ohizumi, and Y. Itano (2015), Analysis of monitoring data of ground-level ozone in Japan for long-term trend during 1990-2010: Causes of temporal and spatial variation, Atmos. Environ., 102, 302–310, doi:10.1016/j.atmosenv.2014.12.001.
2. Balashov, N. V., A. M. Thompson, S. J. Piketh, and K. E. Langerman (2014), Surface ozone variability and trends over the South African Highveld from 1990 to 2007, J. Geophys. Res. Atmos., 119, 4323–4342, doi:10.1002/2013JD020555.
3. Blanchard, B., and D. Stanway (2015), “China to “declare war” on pollution, premier says”, Reuters News Agency. [Available at http://www. reuters.com/article/2014/03/05/us-china-parliament-pollution-idUSBREA2405W20140305.]
4. 2 (DOMINO) data product v2.0: HE5 data file user manual”. [Available at http://www.temis.nl/docs/OMI_NO2_HE5_2.0_2011.pdf.]
5. Bowman, K. W. (2013), Toward the next generation of air quality monitoring: Ozone, Atmos. Environ., 80, 571–583, doi:10.1016/j.atmosenv.2013.07.007.
6. 2 from nadir-viewing satellite instruments: Applications to OMI, Atmos. Meas. Tech., 6, 2607–2626, doi:10.5194/amt-6-2607-2013.
7. Castellanos, P., and F. Boersma (2012), Reductions in nitrogen oxides over Europe driven by environmental policy and economic recession, Sci. Rep., 265, doi:10.1038/srep00265.
8. Chan, C. K., and X. Yao (2008), Air pollution in mega cities in China, Atmos. Environ., 42, 1–42, doi:10.1016/j.atmosenv.2007.09.003.
9. Chinese Assoc. of Auto. Manuf. (2014), Chinese Association of Automobile Manufacturers. [Available at http://www.caam.org.cn/english/.]
10. CIA (2015), The World Factbook. [Available at https://www.cia.gov/library/publications/resources/the-world-factbook/.]
11. Dickerson, R. R., M. O. Andreae, T. Campos, O. L. Mayol-Bracero, C. Neusuess, and D. G. Streets (2002), Analysis of black carbon and carbon monoxide observed over the Indian Ocean: Implications for emissions and photochemistry, J. Geophys. Res., 107(D19), 8017, doi:10.1029/2001JD000501.
12. Dobber, M., R. Voors, R. Dirksen, Q. Kleipool, and P. Levelt (2008), The high-resolution solar reference spectrum between 250 and 550 nm and its application to measurements with the ozone monitoring instrument, Solar Phys., 249, 281–291, doi:10.1007/s11207-008-9187-7.
13. Duncan, B., R. Martin, A. Staudt, R. Yevich, and J. Logan (2003), Interannual and seasonal variability of biomass burning emissions constrained by satellite observations, J. Geophys. Res., 108(D2), 4040, doi:10.1029/2002JD002378.
14. x emission controls on power plants in the United States: 2005–2011, Atmos. Environ., 81, 102–111, doi:10.1016/jatmosenv.2013.08.068.
15. Duncan, B., et al. (2014), Satellite data of atmospheric pollution for U.S. air quality applications: Examples of applications, summary of data end-user resources, answers to FAQs, and common mistakes to avoid, Atmos. Environ., 98, 647–662, doi:10.1016/j.atmosenv.2014.05.061.
16. Eskom (2014), 2014 Integrated Report. [Available at http://integratedreport.eskom.co.za/pdf/full-integrated.pdf.]
17. Euro (2007), Regulation (EC) No 715/2007 of the European Parliament and of the Council of 20 June 2007 on type approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information 29.6.2007, Official Journal of the European Union L 171/1.
18. Fang, M., C. K. Chan, and X. Yao (2009), Managing air quality in a rapidly developing nation: China, Atmos. Environ., 43,79–83, doi:10.1016/j.atmosenv.2008.09.064.
19. FEZ (2003), Free Economic Zones in Korea: The future of Northeast Asia, Planning Office of Free Economic Zone Ministry of Finance and Economy, Foreign Press and Public Relations Division, Ministry of Finance and Economy. [Available at http://unpan1.un.org/intradoc/groups/public/documents/apcity/unpan018745.pdf.]
20. FEZ (2015). [Available at http://www.fez.go.kr/en/incheon-fez-overview.jsp.]
21. Financial Mail (2015), “South Africa’s energy crisis, 2008–2015”, Financial Mail, Times Media Books. [Available at http://cdn.bdlive.co.za/ebooks/Eskom%20and%20the%20SA%20energy%20crisis.pdf.]
22. Fishman, J., et al. (2008), Remote sensing of tropospheric pollution from space, Bull. Am. Meteorol. Soc., 89, 805–821, doi:10.1175/2008BAMS2526.1.
23. Gardner, D. K. (2015), China’s “Silent Spring” moment? Why “Under the Dome” found a ready audience in China, New York Times, 18 Mar. [Available at http://www.nytimes.com/2015/03/19/opinion/why-under-the-dome-found-a-ready-audience-in-china.html?_r=0.]
24. 2 over India, J. Geophys. Res., 113, D20305, doi:10.1029/2007JD009615.
25. x concentration in India during the past decade as observed from space, Int. J. Remote Sens., 32, 3, doi:10.1098/01431161.2010.517797.
26. x emission trends over China: Regional and seasonal variations, Environ. Sci. Technol., 47, 12,912–12,919, doi:10.1021/es401727e.
27. Guttikunda, S. K., and P. Jawahar (2014), Atmospheric emissions and pollution from the coal-fired thermal power plants in India, Atmos. Environ., 92, 449–460, doi:10.1016/j.atmosenv.2014.04.057.
28. Guttikunda, S. K., R. Goel, and P. Pant (2014), Nature of air pollution, emission sources, and management in the Indian cities, Atmos. Environ., 95, 501–510, doi:10.1016/j.atmosenv.2014.07.006.
29. Heue, K.-P., T. Wagner, S. P. Broccardo, D. Walter, S. J. Piketh, K. E. Ross, S. Beirle, and U. Platt (2008), Direct observation of two dimensional trace gas distributions with an airborne Imaging DOAS instrument, Atmos. Chem. Phys., 8(22), 6707–6717, doi:10.5194/acp-8-6707-2008.
30. 2 over megacities derived from multiple satellite instruments, Atmos. Chem. Phys., 13, 4145–4169, doi:10.5194/acp-13-4145-2013.
31. Hillger, D., et al. (2013), First-light imagery from suomi npp viirs, Bull. Am. Meteorol. Soc., 94, 1019–1029, doi:10.1175/BAMS-D-12-00097.1.
32. Jaars, K., et al. (2014), Ambient aromatic hydrocarbon measurements at Welgegund, South Africa, Atmos. Chem. Phys., 14, 7075–7089, doi:10.5194/acp-14-7075-2014.
33. Jacobson, M. Z., S. V. Nghiem, A. Sorichetta, and N. Whitney (2015), Ring of impact from the mega-urbanization of Beijing between 2000 and 2009, J. Geophys. Res. Atmos., 120, 5740–5756, doi:10.1002/2014JD023008.
34. Jin, H. (2013), Korea’s Incheon Airport embarks on $4.6 bln expansion, Reuters, 26 Sept. [Available at http://www.reuters.com/article/2013/09/26/incheon-airport-idUSL4N0HK0ZE20130926.]
35. Jin, X., and T. Holloway (2015), Spatial and temporal variability of ozone sensitivity over China observed from the Ozone Monitoring Instrument, J. Geophys. Res. Atmos., 120, 7229–7246, doi:10.1002/2015JD023250.
36. x emission reductions and their impact on air quality, Geophys. Res. Lett., 33, L22812, doi:10.1029/2006GL027749.
37. 2 pollution changes from 2005 to 2014, Atmos. Chem. Phys. Discuss., 15, 26,555–26,607, doi:10.5194/acpd-15-26555-2015.
38. Kurokawa, J., T. Ohara, T. Morikawa, S. Hanayama, G. Janssens-Maenhout, T. Fukui, K. Kawashima, and H. Akimoto (2013), Emissions of air pollutants and greenhouse gases over Asian regions during 2000–2008: Regional Emission inventory in ASia (REAS) version 2, Atmos. Chem. Phys., 13, 11,019–11,058, doi:10.5194/acp-13-11019-2013.
39. 2 pollution and urban population size: A satellite perspective, Environ. Sci. Technol., 47(14), 7855–7861, doi:10.1021/es400744g.
40. 2 observations, Atmos. Chem. Phys., 14, 11,587–11,609, doi:10.5194/acp-14-11587-2014.
41. 2 trends (2005–2013): EPA Air Quality System (AQS) data versus improved observations from the Ozone Monitoring Instrument (OMI), Atmos. Environ., 110, 130–143, doi:10.1016/j.atmosenv.2015.03.055.
42. x in East Asia identified by satellite and in situ measurements and Lagrangian particle dispersion model simulations, J. Geophys. Res. Atmos., 119, 2574–2596, doi:10.1002/2013JD021185.
43. Lee, J.-W., and K. Hong (2012), Economic growth in East Asia: Determinants and prospects, Jpn. World Econ., 24, 101–113, doi:10.1016/j.japwor.2012.01.005.
44. Lei, Y., Q. Zhang, K. B. He, and D. G. Streets (2011), Primary anthropogenic aerosol emission trends for China, 1990–2005, Atmos. Chem. Phys., 11, 931–954, doi:10.5194/acp-11-931-2011.
45. Lelieveld, J., S. Beirle, C. Hörmann, G. Stenchikov, and T. Wagner (2015), Abrupt recent trend changes in atmospheric nitrogen dioxide over the Middle East, Sci. Adv., 1(7), e1500498, doi:10.1126/sciadv.1500498.
46. Li, C., Q. Zhang, N. A. Krotkov, D. G. Streets, K. He, S.-C. Tsay, and J. F. Gleason (2010), Recent large reduction in sulfur dioxide emissions from Chinese power plants observed by the Ozone Monitoring Instrument, Geophys. Res. Lett., 37, L08807, doi:10.1029/2010GL042594.
47. Li, R., and G. Leung (2012), Coal consumption and economic growth in China, Energy Policy, 40, 438–443, doi:10.1016/j.enpol.2011.10.034.
48. Lin, J.-T., D. Pan, and R.-X. Zhang (2013), Trend and interannual variability of Chinese air pollution since 2000 in association with economic development: A brief overview, Atmos. Oceanic Sci. Lett., 6(2), 84–89, doi:10.1080/16742834.2013.11447061.
49. Liousse, C., E. Assamoi, P. Criqui, C. Granier, and R. Rosset (2014), Explosive growth in African combustion emissions from 2005 to 2030, Environ. Res. Lett., 9, 035003, 10, doi:10.1088/1748-9326/9/3/035003
50. Liu, F., Q. Zhang, D. Tong, B. Zheng, M. Li, H. Huo, and K. B. He (2015a), High-resolution inventory of technologies, activities, and emissions of coal-fired power plants in China from 1990 to 2010, Atmos. Chem. Phys. Discuss., 15, 13,299–13,317, doi:10.5194/acpd-15-18787-2015.
51. Liu, Z., et al. (2015b), Reduced carbon emission estimates from fossil fuel combustion and cement production in China, Nature, 524, 335–338, doi:10.1038/nature14677.
52. 2 hotspot over the South African Highveld, S. Afr. J. Sci., 108, 1146, doi:10.4102/sajs.v108i11/12.1146.
53. x Emissions from Indian thermal power plants during 1996–2010: Unit-based inventories and multisatellite observations, Environ. Sci. Technol., 46(14), 7463–7470, doi:10.1021/es300831w.
54. Lu, Z., D. G. Streets, Q. Zhang, S. Wang, G. R. Carmichael, Y. F. Cheng, C. Wei, M. Chin, T. Diehl, and Q. Tan (2010), Sulfur dioxide emissions in China and sulfur trends in East Asia since 2000, Atmos. Chem. Phys., 10, 6311–6331, doi:10.5194/acp-10-6311-2010.
55. Lu, Z., Q. Zhang, and D. G. Streets (2011), Sulfur dioxide and primary carbonaceous aerosol emissions in China and India, 1996–2010, Atmos. Chem. Phys., 11, 9839–9864, doi:10.5194/acp-11-9839-2011.
56. McFarlane, S. (2009), Air Quality Regulations and Odour Management in Australia and New Zealand, 78 pp., Clean Air Society of Australia and New Zealand, Olinda, Vic. Aust.
57. Min. Coal (2014), Provisional Coal Statistics 2013–14, Ministry of Coal, Government of India, p. 82. [Available at http://coal.nic.in/sites/upload_files/coal/files/coalupload/provisional1314_0.pdf.]
58. Min. Environ (2015), 2014 Environmental Statistics Yearbook, p. 710. [Available at http://eng.me.go.kr/eng/web/index.do.]
59. Min. Ind. Pol. and Prom (2015), Annual Report 2014–15, Ministry of Industrial Policy and Promotion, Government of India, p. 248. [Available at http://dipp.nic.in/English/Publications/Annual_Reports/AnnualReport_Eng_2014-15.pdf.]
60. Min. Petrol. and Natural Gas (2015), Annual Report 2014–15, Ministry of Petroleum and Natural Gas, Government of India, p. 172. [Available at http://petroleum.nic.in/docs/Annual_Report/AR14-15.pdf.]
61. Min. Power (2015), Annual Report 2014–15, Ministry of Power, Government of India, p. 252. [Available at http://powermin.nic.in/upload/pdf/Annual_Report_2014-15_English.pdf.]
62. Min. Urb. Develop (2015), Annual Report 2014–15, Ministry of Urban Development, Government of India, p. 311. [Available at http://moud.gov.in/sites/upload_files/moud/files/English%20Annual%20Report.pdf.]
63. Mohammadi, H., D. Cohen, M. Babazadeh, and L. Rokni (2012), The effects of atmospheric processes on Tehran smog forming, Iran J. Public Health, 41(5), 1–12.
64. Nepstad, D., et al. (2014), Slowing Amazon deforestation through public policy and interventions in beef and soy supply chains, Science, 344(6188), 1118–1123, doi:10.1126/science.1248525.
65. Nugroho, S. B., A. Fujiwara, and J. Zhang (2005), Evaluating the effects of a new vehicle emission standard on urban air quality in Jakarta City, J. Int. Dev. Coop., 11(2), 11–30.
66. OPEC (2015), Organization of the Petroleum Exporting Countries (OPEC) Monthly Oil Market Report, Editor: O. S. Abdul-Hamid, 13 July. [Available at http://www.opec.org/opec_web/static_files_project/media/downloads/publications/MOMR_July_2015.pdf.]
67. 2 column over India, Environ. Monit. Assess., 184, 1891–1907, doi:10.1007/s10661-011-2087-6.
68. PRDAIR (2014), Guangdong-Hong Kong-Macao Pearl River Delta Regional Air Quality Monitoring Network: A report of monitoring results in 2014, Report Number: PRDAIR-2014-5. [Available at http://www.epd.gov.hk/epd/sites/default/files/epd/english/resources_pub/publications/files/PRD_2014_report_en.pdf.]
69. 2 over India observed by SCIAMACHY: Identification of hot spots, Atmos. Poll. Res., 4, 354–361, doi:10.5094/APR.2013.040.
70. Randel, W. J., and J. B. Cobb (1994), Coherent variations of monthly mean total ozone and lower stratospheric temperature, J. Geophys. Res., 99, 5433–5447, doi:10.1029/93JD03454.
71. Richter, A., J. P. Burrows, H. Nüß, C. Granier, and U. Niemeier (2005), Increase in tropospheric nitrogen dioxide over China observed from space, Nature, 437, 129–132, doi:10.1038/nature04092.
72. 2 column densities from OMI: method and evaluation, Atmos. Chem. Phys., 11, 8543–8554, doi:10.5194/acp-11-8543-2011.
73. 2 observations over the United States: Effects of emission control technology and the economic recession, Atmos. Chem. Phys., 12(24), 12,197–12,209.
74. Schneider, P., and R. J. van der A (2012), A global single-sensor analysis of 2002–2011 tropospheric nitrogen dioxide trends observed from space, J. Geophys. Res., 117, D16309, doi:10.1029/2012JD017571.
75. Schneider, P., W. Lahoz, and R. van der A (2015), Recent satellite-based trends of tropospheric nitrogen dioxide over large urban agglomerations worldwide, Atmos. Chem. Phys., 15, 1205–1220, doi:10.5194/acp-15-1205-2015.
76. SEB (2012), Shanghai Environmental Bulletin. [Available at http://www.sepb.gov.cn/fa/cms/shhj/file/2013bulletin/en/eh_0001.html.]
77. Shin, H., K. Cho, J. Han, J. Kim, and Y. Kim (2012), The effects of precursor emission and background concentration changes on the surface ozone concentration over Korea, AerosolAir Qual., 12, 93–103, doi:10.4209/aaqr.2011.09.0141.
78. Stoddard, E. (2014), South Africa miners return to work after longest platinum strike, Reuters, 25 June. [Available at http://www.reuters.com/article/2014/06/25/us-safrica-mining-idUSKBN0F00DC20140625.]
79. Streets, D., et al. (2013), Emissions estimation from satellite retrievals: A review of current capability, Atmos. Environ., 77, 1011–1042, doi:10.1016/j.atmosenv.2013.05.051.
80. 2 at Okinawa Island, Japan caused by rapid air-mass transport from China as observed by MAX-DOAS, Atmos. Environ., 45(15), 2593–2597, doi:10.1016/j.atmosenv.2010.10.055.
81. Technology, A. (2015), Incheon International Airport (ICA/RKSI), South Korea. [Available at http://www.airport-technology.com/projects/incheon-international-airport/.]
82. x trends over large cities in the United States during the great recession: Comparison of satellite retrievals, ground observations, and emission inventories, Atmos. Environ., 107, 70–84, doi:10.1016/j.atmosenv.2015.01.035.
83. Total (2015). [Available at http://www.total.com/en/energies-expertise/oil-gas/refining-petrochemicals/projects-achievements/total-invests-upgrade-daesan-south-korea?%FFbw=kludge1%FF.]
84. 2 variability over Pakistan using OMI data, Atmos. Pollut. Res., 5, 709–720, doi:10.5094/APR.2014.080.
85. UNESC (2005), United Nations Economic and Social Council, Distr. GENERAL TRANS/WP.29/GRPE/50, Informal document No. GRPE-50-20 (50th GRPE, 30 May–3 June 2005, agenda item 8.), Republic of South Africa: Recently Gazetted and imminent vehicle emission legislation: GRPE June 2005.
86. UNHCRa (2014), UNHR Global Appeal Update, Jordan, United Nations High Commissioner for Refugees. [Available at http://www.unhcr.org/5461e6070.html.]
87. UNHCRa (2015), UNHR Global Appeal Update, Syrian Arab Republic, United Nations High Commissioner for Refugees. [Available at http://www.unhcr.org/5461e60716.html.]
88. UNHCRb (2014), UNHR Global Appeal Update, Turkey, United Nations High Commissioner for Refugees. [Available at http://www.unhcr.org/5461e60c52.html.]
89. UNHCRb (2015), UNHR global trends, forced displacement in 2014, United Nations High Commissioner for Refugees, 18 June. [Available at http://www.unhcr.org/556725e69.html.]
90. United Nations (2013). [Available at https://www.un.org/en/development/desa/news/population/un-report-world-population-projected-to-reach-9-6-billion-by-2050.html.]
91. USBLS (2012), BLS spotlight on statistics, The Recession of 2007–2009. [Available at http://www.bls.gov/spotlight/2012/recession/pdf/recession_bls_spotlight.pdf.]
92. USEIA (2013), U.S. Energy Information Administration, 12 July. [Available at http://www.eia.gov/todayinenergy/detail.cfm?id=12071.]
93. USEIA (2015a), U.S. Energy Information Administration“Independent Statistics & Analysis, Drilling Productivity Report”, 13, July. [Available at http://www.eia.gov/petroleum/drilling/pdf/dpr-full.pdf.]
94. USEIA (2015b), India, International energy data and analysis, U.S. Energy Information Administration, p. 23. [Available at http://www.eia.gov/beta/international/analysis_includes/countries_long/India/india.pdf.]
95. USEIA (2015c), China, International energy data and analysis, U.S. Energy Information Administration, p. 36. [Available at http://www.eia.gov/beta/international/analysis_includes/countries_long/China/china.pdf.]
96. USEIA (2015d), South Africa, International energy data and analysis, U.S. Energy Information Administration, p. 11. [Available at http://www. eia.gov/beta/international/analysis_includes/countries_long/South_Africa/south_africa.pdf.]
97. Wakamatsu, S., T. Morikawa, and A. Ito (2013), Air pollution trends in Japan between 1970 and 2012 and impact of urban air pollution countermeasures, Asian J. Atmos. Environ., 7–4, 177–190, doi:10.5572/ajae.2013.7.4.177.
98. x emissions from power plants in Northern China, Environ. Res. Lett., 5, 044007, doi:10.1088/1748-9326/5/4/044007.
99. x emissions from power plants in China: Bottom-up estimates and satellite observations, Atmos. Chem. Phys., 12, 4429–4447, doi:10.5194/acp-12-4429-2012.
100. Wang, S. X., et al. (2014), Emission trends and mitigation options for air pollutants in East Asia, Atmos. Chem. Phys., 14, 6571–6603, doi:10.5194/acp-14-6571-2014.
101. WHO (2014), Ambient (outdoor) air pollution in cities database 2014. [Available at http://www.who.int/phe/health_topics/outdoorair/databases/cities/en/.]
102. 2 feature during the 2008 Beijing Summer Olympics: Implications for ozone production sensitivity, Atmos. Environ., 45, 3103–3111, doi:10.1016/jatmosenv.2011.03.015.
103. World Bank (2015), World Data Bank of the World Bank. [Available at http://databank.worldbank.org/data/.]
104. World Dev. Ind (2015), World Development Indicators, The World Bank. [Available at http://data.worldbank.org/data-catalog/world-development-indicators.]
105. Yan, F., E. Winijkul, D. G. Streets, Z. Lu, T. C. Bond, and Y. Zhang (2014), Global emission projections for the transportation sector using dynamic technology modeling, Atmos. Chem. Phys., 14, 5709–5733, doi:10.5194/acp-14-5709-2014.
106. Yue, M. (2014), Joint effort to fight Delta pollution, Shanghai Daily Newspaper, 8 Jan. [Available at http://www.shanghaidaily.com/Metro/environment/Joint-effort-to-fight-Delta-pollution/shdaily.shtml.]
107. x emission trends for China, 1995–2004: The view from the ground and the view from space, J. Geophys. Res., 112, D22306, doi:10.1029/2007JD008684.
108. Zhang, Q., D. G. Streets, and K. He (2009), Satellite observations of recent power plant construction in Inner Mongolia, China, Geophys. Res. Lett., 36, L15809, doi:10.1029/2009GL038984.
109. Zhong, L., P. K. K. Louie, J. Zheng, K. M. Wai, J. W. K. Ho, Z. Yuan, A. K. H. Lau, D. Yue, and Y. Zhou (2013), The Pearl River Delta Regional Air Quality Monitoring Network—Regional Collaborative Efforts on Joint Air Quality Management, Aerosol Air Qual. Res., 13, 1582–1597, doi:10.4209/aaqr.2012.10.0276.
110. 2 columns over Europe from 2004 to 2009 and the influence of meteorological variability, Atmos. Environ., 46, 482–495, doi:10.1016/j.atmosenv.2011.09.024.