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Influence of the Covid-19 Crisis on Global PM2.5 Concentration and Related Health Impacts. SUSTAINABILITY 2020. [DOI: 10.3390/su12135297] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The decrease in human activities following the COVID-19 pandemic caused an important change in PM2.5 concentration, especially in the most polluted areas in the world: China (44.28 and 18.88 µg/m3 in the first quarters of 2019 and 2020, respectively), India (49.84 and 31.12, respectively), and Nigeria (75.30 and 34.31, respectively). In this study, satellite observations from all around the world of PM2.5 concentration were collected on the grid scale with a high resolution of 0.125° (about 15km). Population data for 2020 were also collected on the same scale. Statistical data from the World Health Organization (WHO) concerning the diseases caused by air pollution (e.g., stroke) were obtained for each country to determine the change in mortality between the first quarter of 2019 and the first quarter of 2020. Expressed in disability-adjusted life years (DALY), it was found that the largest reductions were observed for China (−13.9 million DALY), India (−6.3 million DALY), and Nigeria (−2.3 million DALY).
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Graney JR, Edgerton ES, Landis MS. Using Pb isotope ratios of particulate matter and epiphytic lichens from the Athabasca Oil Sands Region in Alberta, Canada to quantify local, regional, and global Pb source contributions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 654:1293-1304. [PMID: 30841402 DOI: 10.1016/j.scitotenv.2018.11.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 11/03/2018] [Accepted: 11/04/2018] [Indexed: 06/09/2023]
Abstract
Ambient air particulate matter (PM) was collected at the Wood Buffalo Environmental Association Bertha Ganter Fort McKay monitoring station in the Athabasca Oil Sand Region (AOSR) in Alberta, Canada from February 2010 to July 2011 as part of an air quality source assessment study. Daily 24-hour duration fine (PM2.5) and coarse (PM10-2.5) PM was collected using a sequential dichotomous sampler. 100 pairs of PM2.5 and PM10-2.5 were selected for lead (Pb) concentration and isotope analysis. Pb isotope and concentration results from 250 epiphytic lichen samples collected as far as 160 km from surface mining operations in 2008, 2011, and 2014 were analyzed to examine longer term spatial variations in Pb source contributions. A key finding was recognition of thorogenic 208Pb from eastern Asia in the springtime in the PM2.5 in 2010 and 2011. 206Pb/207Pb and 208Pb/207Pb isotope ratios were used in a three-component mixing model to quantify local, regional, and global Pb sources in the PM and lichen data sets. 47 ± 3% of the Pb in the PM2.5 at AMS-1 was attributed to sources from eastern Asia. Combined results from PM10-2.5 and PM2.5 indicate PM2.5 Pb contributions from eastern Asia (34%) exceed local AOSR sources of PM2.5 Pb (20%), western Canada sources of PM2.5 Pb (19%), and PM10-2.5 Pb from fugitive dust including oil sands (14%), tailings (10%), and haul roads (3%). The lichen analysis indicates regional sources contribute 46% of the Pb, local sources 32%, and global sources 22% over the 2008-2014 timeframe. Local sources dominate atmospheric Pb deposition to lichens at near field sites (0-30 km from mining operations) whereas regional Pb sources are prevalent at distal sites (30-160 km). The Pb isotope methodology successfully quantified trans-Pacific transport of Pb to the AOSR superimposed over the aerosol footprint of the world's largest concentration of bitumen mining and upgrading facilities.
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Affiliation(s)
- Joseph R Graney
- Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY, USA.
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Ngo NS, Zhong N, Bao X. The effects of transboundary air pollution following major events in China on air quality in the U.S.: Evidence from Chinese New Year and sandstorms. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 212:169-175. [PMID: 29428651 DOI: 10.1016/j.jenvman.2018.01.057] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 01/19/2018] [Accepted: 01/21/2018] [Indexed: 06/08/2023]
Abstract
Transboundary air pollution is a global environmental and public health problem including in the U.S., where pollution emissions from China, the largest emitter of anthropogenic air pollution in the world, can travel across the Pacific Ocean and reach places like California and Oregon. We examine the effects of transboundary air pollution following major events in China, specifically sandstorms, a natural-occurring source of air pollution, and Chinese New Year, a major 7-day holiday, on background air quality in the U.S. We focus on high elevation sites on the west coast between 2000 and 2013. We use regression analysis and a natural experiment to exploit the variation in the timing of these events in China, which are plausibly uncorrelated to other factors that affect air quality in China and the U.S. We find that sandstorms are associated with statistically significant increases in background coarse and fine particulate matter (PM) in the U.S., representing between 16 and 39% of average weekly PM levels. We also find Chinese New Year is associated with modest reductions in background air quality in the U.S., representing between 0.4 and 2.5% of PM levels. Findings are robust to different models and falsification tests. These results suggest that regression analysis could be a powerful tool to complement other, more widely used techniques in the environmental sciences that study this problem. This also has important implications for policymakers, who could track major sandstorms in China and prepare for possible increased foreign pollution emissions in the U.S.
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Affiliation(s)
- N S Ngo
- School of Planning, Public Policy, and Management, University of Oregon, USA.
| | - N Zhong
- Wang Yanan Institute for Studies in Economics, Xiamen University, China
| | - X Bao
- Wang Yanan Institute for Studies in Economics, Xiamen University, China
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Understanding Long-Term Variations in Surface Ozone in United States (U.S.) National Parks. ATMOSPHERE 2018. [DOI: 10.3390/atmos9040125] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Long-term surface ozone observations at 25 National Park Service sites across the United States were analyzed for processes on varying time scales using a time scale decomposition technique, the Ensemble Empirical Mode Decomposition (EEMD). Time scales of interest include the seasonal cycle, large-scale climate oscillations, and long-term (>10 years) trends. Emission reductions were found to have a greater impact on sites that are nearest major urban areas. Multidecadal trends in surface ozone were increasing at a rate of 0.07 to 0.37 ppbv year−1 before 2004 and decreasing at a rate of −0.08 to −0.60 ppbv year−1 after 2004 for sites in the East, Southern California, and Northwestern Washington. Sites in the Intermountain West did not experience a reversal of trends from positive to negative until the mid- to late 2000s. The magnitude of the annual amplitude (=annual maximum–minimum) decreased at eight sites, two in the West, two in the Intermountain West, and four in the East, by 5–20 ppbv and significantly increased at three sites; one in Alaska, one in the West, and one in the Intermountain West, by 3–4 ppbv. Stronger decreases in the annual amplitude occurred at a greater proportion of sites in the East (4/6 sites) than in the West/Intermountain West (4/19 sites). The date of annual maximums and/or minimums has changed at 12 sites, occurring 10–60 days earlier in the year. There appeared to be a link between the timing of the annual maximum and the decrease in the annual amplitude, which was hypothesized to be related to a decrease in ozone titration resulting from NOx emission reductions. Furthermore, it was found that a phase shift of the Pacific Decadal Oscillation (PDO), from positive to negative, in 1998–1999 resulted in increased occurrences of La Niña-like conditions. This shift had the effect of directing more polluted air masses from East Asia to higher latitudes over the North American continent. The change in the Pacific Decadal Oscillation (PDO)/El Niño Southern Oscillation (ENSO) regime influenced surface ozone at an Alaskan site over its nearly 30-year data record.
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Landis MS, Patrick Pancras J, Graney JR, White EM, Edgerton ES, Legge A, Percy KE. Source apportionment of ambient fine and coarse particulate matter at the Fort McKay community site, in the Athabasca Oil Sands Region, Alberta, Canada. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 584-585:105-117. [PMID: 28147291 DOI: 10.1016/j.scitotenv.2017.01.110] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 01/16/2017] [Accepted: 01/16/2017] [Indexed: 04/14/2023]
Abstract
An ambient air particulate matter sampling study was conducted at the Wood Buffalo Environmental Association (WBEA) AMS-1 Fort McKay monitoring station in the Athabasca Oil Sand Region (AOSR) in Alberta, Canada from February 2010 to July 2011. Daily 24h integrated fine (PM2.5) and coarse (PM10-2.5) particulate matter was collected using a sequential dichotomous sampler. Over the duration of the study, 392 valid daily dichotomous PM2.5 and PM10-2.5 sample pairs were collected with concentrations of 6.8±12.9μgm-3 (mean±standard deviation) and 6.9±5.9μgm-3, respectively. A subset of 100 filter pairs was selected for element analysis by energy dispersive X-ray fluorescence and dynamic reaction cell inductively coupled plasma mass spectrometry. Application of the U.S. EPA positive matrix factorization (PMF) receptor model to the study data matrix resolved five PM2.5 sources explaining 96% of the mass including oil sands upgrading (32%), fugitive dust (26%), biomass combustion (25%), long-range Asian transport lead source (9%), and winter road salt (4%). An analysis of historical PM2.5 data at this site shows that the impact of smoke from wildland fires was particularly high during the summer of 2011. PMF resolved six PM10-2.5 sources explaining 99% of the mass including fugitive haul road dust (40%), fugitive oil sand (27%), a mixed source fugitive dust (16%), biomass combustion (12%), mobile source (3%), and a local copper factor (1%). Results support the conclusion of a previous epiphytic lichen biomonitor study that near-field atmospheric deposition in the AOSR is dominated by coarse fraction fugitive dust from bitumen mining and upgrading operations, and suggest that fugitive dust abatement strategies targeting the three major sources of PM10-2.5 (e.g., oil sand mining, haul roads, bulk material stockpiles) would significantly reduce near-field atmospheric deposition gradients in the AOSR and reduce ambient PM concentrations in the Fort McKay community.
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Affiliation(s)
| | | | - Joseph R Graney
- Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY, USA
| | | | | | - Allan Legge
- Biosphere Solutions, Calgary, Alberta, Canada
| | - Kevin E Percy
- Air Quality Effects Consulting Ltd., Fredericton, New Brunswick, Canada
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Improving Heat-Related Health Outcomes in an Urban Environment with Science-Based Policy. SUSTAINABILITY 2016. [DOI: 10.3390/su8101015] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chakraborty T, Beig G, Dentener FJ, Wild O. Atmospheric transport of ozone between Southern and Eastern Asia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 523:28-39. [PMID: 25847313 DOI: 10.1016/j.scitotenv.2015.03.066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 03/15/2015] [Accepted: 03/17/2015] [Indexed: 06/04/2023]
Abstract
This study describes the effect of pollution transport between East Asia and South Asia on tropospheric ozone (O3) using model results from the Task Force on Hemispheric Transport of Air Pollution (TF HTAP). Ensemble mean O3 concentrations are evaluated against satellite-data and ground observations of surface O3 at four stations in India. Although modeled surface O3 concentrations are 1020ppb higher than those observed, the relative magnitude of the seasonal cycle of O3 is reproduced well. Using 20% reductions in regional anthropogenic emissions, we quantify the seasonal variations in pollution transport between East Asia and South Asia. While there is only a difference of 0.05 to 0.1ppb in the magnitudes of the regional contributions from one region to the other, O3 from East Asian sources affects the most densely populated parts of South Asia while Southern Asian sources only partly affect the populated parts of East Asia. We show that emission changes over East Asia between 2000 and 2010 had a larger impact on populated parts of South Asia than vice versa. This study will help inform future decisions on emission control policy over these regions.
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Affiliation(s)
- T Chakraborty
- Indian Institute of Tropical Meteorology, Pune, India
| | - G Beig
- Indian Institute of Tropical Meteorology, Pune, India.
| | - F J Dentener
- European Commission, Joint Research Centre, Institute for Environment and Sustainability, Ispra, Italy
| | - O Wild
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
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Abstract
China is the world's largest emitter of anthropogenic air pollutants, and measurable amounts of Chinese pollution are transported via the atmosphere to other countries, including the United States. However, a large fraction of Chinese emissions is due to manufacture of goods for foreign consumption. Here, we analyze the impacts of trade-related Chinese air pollutant emissions on the global atmospheric environment, linking an economic-emission analysis and atmospheric chemical transport modeling. We find that in 2006, 36% of anthropogenic sulfur dioxide, 27% of nitrogen oxides, 22% of carbon monoxide, and 17% of black carbon emitted in China were associated with production of goods for export. For each of these pollutants, about 21% of export-related Chinese emissions were attributed to China-to-US export. Atmospheric modeling shows that transport of the export-related Chinese pollution contributed 3-10% of annual mean surface sulfate concentrations and 0.5-1.5% of ozone over the western United States in 2006. This Chinese pollution also resulted in one extra day or more of noncompliance with the US ozone standard in 2006 over the Los Angeles area and many regions in the eastern United States. On a daily basis, the export-related Chinese pollution contributed, at a maximum, 12-24% of sulfate concentrations over the western United States. As the United States outsourced manufacturing to China, sulfate pollution in 2006 increased in the western United States but decreased in the eastern United States, reflecting the competing effect between enhanced transport of Chinese pollution and reduced US emissions. Our findings are relevant to international efforts to reduce transboundary air pollution.
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Zhang Y, Liu H, Crawford JH, Considine DB, Chan C, Oltmans SJ, Thouret V. Distribution, variability and sources of tropospheric ozone over south China in spring: Intensive ozonesonde measurements at five locations and modeling analysis. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2012jd017498] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Hsu NC, Li C, Krotkov NA, Liang Q, Yang K, Tsay SC. Rapid transpacific transport in autumn observed by the A-train satellites. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2011jd016626] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Lin M, Fiore AM, Horowitz LW, Cooper OR, Naik V, Holloway J, Johnson BJ, Middlebrook AM, Oltmans SJ, Pollack IB, Ryerson TB, Warner JX, Wiedinmyer C, Wilson J, Wyman B. Transport of Asian ozone pollution into surface air over the western United States in spring. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2011jd016961] [Citation(s) in RCA: 201] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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12
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Liu JJ, Jones DBA, Zhang S, Kar J. Influence of interannual variations in transport on summertime abundances of ozone over the Middle East. ACTA ACUST UNITED AC 2011. [DOI: 10.1029/2011jd016188] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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13
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Brown-Steiner B, Hess P. Asian influence on surface ozone in the United States: A comparison of chemistry, seasonality, and transport mechanisms. ACTA ACUST UNITED AC 2011. [DOI: 10.1029/2011jd015846] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Cheng T, Han Z, Zhang R, Du H, Jia X, Wang J, Yao J. Black carbon in a continental semi-arid area of Northeast China and its possible sources of fire emission. ACTA ACUST UNITED AC 2010. [DOI: 10.1029/2009jd013523] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Yang Q, Cunnold DM, Choi Y, Wang Y, Nam J, Wang HJ, Froidevaux L, Thompson AM, Bhartia PK. A study of tropospheric ozone column enhancements over North America using satellite data and a global chemical transport model. ACTA ACUST UNITED AC 2010. [DOI: 10.1029/2009jd012616] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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16
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Fischer EV, Jaffe DA, Reidmiller DR, Jaeglé L. Meteorological controls on observed peroxyacetyl nitrate at Mount Bachelor during the spring of 2008. ACTA ACUST UNITED AC 2010. [DOI: 10.1029/2009jd012776] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Liu JJ, Jones DBA, Worden JR, Noone D, Parrington M, Kar J. Analysis of the summertime buildup of tropospheric ozone abundances over the Middle East and North Africa as observed by the Tropospheric Emission Spectrometer instrument. ACTA ACUST UNITED AC 2009. [DOI: 10.1029/2008jd010993] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wang K, Zhang Y, Jang C, Phillips S, Wang B. Modeling intercontinental air pollution transport over the trans-Pacific region in 2001 using the Community Multiscale Air Quality modeling system. ACTA ACUST UNITED AC 2009. [DOI: 10.1029/2008jd010807] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Fiore AM, Dentener FJ, Wild O, Cuvelier C, Schultz MG, Hess P, Textor C, Schulz M, Doherty RM, Horowitz LW, MacKenzie IA, Sanderson MG, Shindell DT, Stevenson DS, Szopa S, Van Dingenen R, Zeng G, Atherton C, Bergmann D, Bey I, Carmichael G, Collins WJ, Duncan BN, Faluvegi G, Folberth G, Gauss M, Gong S, Hauglustaine D, Holloway T, Isaksen ISA, Jacob DJ, Jonson JE, Kaminski JW, Keating TJ, Lupu A, Marmer E, Montanaro V, Park RJ, Pitari G, Pringle KJ, Pyle JA, Schroeder S, Vivanco MG, Wind P, Wojcik G, Wu S, Zuber A. Multimodel estimates of intercontinental source-receptor relationships for ozone pollution. ACTA ACUST UNITED AC 2009. [DOI: 10.1029/2008jd010816] [Citation(s) in RCA: 390] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Zhang L, Ma J, Venkatesh S, Li YF, Cheung P. Modeling evidence of episodic intercontinental long-range transport of lindane. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2008; 42:8791-8797. [PMID: 19192799 DOI: 10.1021/es801271b] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Two global atmospheric transport models for persistent toxic substances were employed to quantify the intercontinental atmospheric transport of lindane in 2005 using a recently constructed global lindane emission inventory. The focus of this numerical investigation was to identify, on an intercontinental scale, the major sources of lindane that contributed to the contamination of North America and the Arctic. Both models simulated several strong episodic trans-Pacific atmospheric transport events of lindane from its sources in Asia to the western seaboard of North America. Modeling results also detected, forthe firsttime, an important atmospheric pathway for persistent toxic substances from Western Africa/Western Europe to the Caribbean, the southern United States, and the eastern seaboard of North America. Several episodic lindane transAtlantic atmospheric transport events were found from May to October. These events were associated primarily with the easterly trade winds and the African easterly wave that extends from the subtropical eastern Atlantic to the Caribbean. This atmospheric pathway for toxic chemicals has a substantial implication for the level of toxic substances in North America. Atmospheric mechanisms contributing to these transport events are briefly discussed. Multiple modeling scenarios were studied to assess the contribution of lindane sources in Europe, Asia, and North America to its fate in the Arctic. Results show that these continental contributions are season-dependent with the highest contribution from Europe in the spring.
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Affiliation(s)
- Lisheng Zhang
- Lamu Environment, 41 Mountfield Crescent, Thornhill, Ontario L4J 7E9, Canada
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22
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Holzer M, Hall TM. Tropospheric transport climate partitioned by surface origin and transit time. ACTA ACUST UNITED AC 2008. [DOI: 10.1029/2007jd009115] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Choi Y, Vay SA, Vadrevu KP, Soja AJ, Woo JH, Nolf SR, Sachse GW, Diskin GS, Blake DR, Blake NJ, Singh HB, Avery MA, Fried A, Pfister L, Fuelberg HE. Characteristics of the atmospheric CO2signal as observed over the conterminous United States during INTEX-NA. ACTA ACUST UNITED AC 2008. [DOI: 10.1029/2007jd008899] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Dickerson RR, Li C, Li Z, Marufu LT, Stehr JW, McClure B, Krotkov N, Chen H, Wang P, Xia X, Ban X, Gong F, Yuan J, Yang J. Aircraft observations of dust and pollutants over northeast China: Insight into the meteorological mechanisms of transport. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2007jd008999] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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25
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Sawa Y, Tanimoto H, Yonemura S, Matsueda H, Wada A, Taguchi S, Hayasaka T, Tsuruta H, Tohjima Y, Mukai H, Kikuchi N, Katagiri S, Tsuboi K. Widespread pollution events of carbon monoxide observed over the western North Pacific during the East Asian Regional Experiment (EAREX) 2005 campaign. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd008055] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Wuebbles DJ, Lei H, Lin J. Intercontinental transport of aerosols and photochemical oxidants from Asia and its consequences. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2007; 150:65-84. [PMID: 17714840 DOI: 10.1016/j.envpol.2007.06.066] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2007] [Accepted: 06/22/2007] [Indexed: 05/16/2023]
Abstract
The intercontinental transport of aerosols and photochemical oxidants from Asia is a crucial issue for air quality concerns in countries downwind of the significant emissions and concentrations of pollutants occurring in this important region of the world. Since the lifetimes of some important pollutants are long enough to be transported over long distance in the troposphere, regional control strategies for air pollution in downwind countries might be ineffective without considering the effects of long-range transport of pollutants from Asia. Field campaigns provide strong evidence for the intercontinental transport of Asian pollutants. They, together with ground-based observations and model simulations, show that the air quality over parts of North America is being affected by the pollutants transported from Asia. This paper examines the current understanding of the intercontinental transport of gases and aerosols from Asia and resulting effects on air quality, and on the regional and global climate system.
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Affiliation(s)
- Donald J Wuebbles
- Department of Atmospheric Sciences, University of Illinois at Urbana-Champaign, 105 S. Gregory Street, Urbana, IL 61802, USA.
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Sudo K, Akimoto H. Global source attribution of tropospheric ozone: Long-range transport from various source regions. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd007992] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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28
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Liang Q, Jaeglé L, Hudman RC, Turquety S, Jacob DJ, Avery MA, Browell EV, Sachse GW, Blake DR, Brune W, Ren X, Cohen RC, Dibb JE, Fried A, Fuelberg H, Porter M, Heikes BG, Huey G, Singh HB, Wennberg PO. Summertime influence of Asian pollution in the free troposphere over North America. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd007919] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Hadley OL, Ramanathan V, Carmichael GR, Tang Y, Corrigan CE, Roberts GC, Mauger GS. Trans-Pacific transport of black carbon and fine aerosols (D< 2.5μm) into North America. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd007632] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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30
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Auvray M, Bey I, Llull E, Schultz MG, Rast S. A model investigation of tropospheric ozone chemical tendencies in long-range transported pollution plumes. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd007137] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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31
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Weiss-Penzias P, Jaffe DA, Swartzendruber P, Dennison JB, Chand D, Hafner W, Prestbo E. Observations of Asian air pollution in the free troposphere at Mount Bachelor Observatory during the spring of 2004. ACTA ACUST UNITED AC 2006. [DOI: 10.1029/2005jd006522] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Peter Weiss-Penzias
- Interdisciplinary Arts and Sciences Department; University of Washington; Bothell Washington USA
| | - Daniel A. Jaffe
- Interdisciplinary Arts and Sciences Department; University of Washington; Bothell Washington USA
| | - Philip Swartzendruber
- Interdisciplinary Arts and Sciences Department; University of Washington; Bothell Washington USA
| | - James B. Dennison
- Interdisciplinary Arts and Sciences Department; University of Washington; Bothell Washington USA
| | - Duli Chand
- Interdisciplinary Arts and Sciences Department; University of Washington; Bothell Washington USA
| | - William Hafner
- Interdisciplinary Arts and Sciences Department; University of Washington; Bothell Washington USA
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Heald CL, Jacob DJ, Park RJ, Alexander B, Fairlie TD, Yantosca RM, Chu DA. Transpacific transport of Asian anthropogenic aerosols and its impact on surface air quality in the United States. ACTA ACUST UNITED AC 2006. [DOI: 10.1029/2005jd006847] [Citation(s) in RCA: 172] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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33
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Kunhikrishnan T, Lawrence MG, von Kuhlmann R, Wenig MO, Asman WAH, Richter A, Burrows JP. Regional NOxemission strength for the Indian subcontinent and the impact of emissions from India and neighboring countries on regional O3chemistry. ACTA ACUST UNITED AC 2006. [DOI: 10.1029/2005jd006036] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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34
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Ma J, Li YF. Interannual variation of persistent organic pollutants over the Great Lakes induced by tropical Pacific sea surface temperature anomalies. ACTA ACUST UNITED AC 2006. [DOI: 10.1029/2005jd006014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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35
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Ma J, Venkatesh S, Li YF, Cao Z, Daggupaty S. Tracking toxaphene in the North American Great Lakes basin. 2. A strong episodic long-range transport event. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2005; 39:8132-41. [PMID: 16294846 DOI: 10.1021/es050946e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
In this paper we examine the modeled daily toxaphene air concentrations from September 9 to 13, 2000, during which air concentration levels were 2-3 orders of magnitude higher than those derived from in situ measurements around the Great Lakes during the same year and during the 1990s. Meteorological conditions revealed that a typical deformation flow system associated with a high-pressure system extending from the east coast of Canada to the southern United States was one of the critical elements that enabled the transport of toxaphene to the Great Lakes. Cloud bands seen on satellite imagery and the rain band predicted by an atmospheric forecast model indicate that the system also delivered warm and humid air from the Gulf of Mexico and the southern United States to the Great Lakes. This resulted in strong wet deposition of toxaphene to the lakes. Substantial increase in the air concentration of toxaphene over the Great Lakes in this short period contributed greatly to raising the annual average daily air concentration for all of 2000. The results suggest that such an episodic event could be a major pathway for atmospheric transport of toxaphene from the southern United States to the Great Lakes.
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Affiliation(s)
- Jianmin Ma
- Air Quality Research Branch, Meteorological Service of Canada, 4905 Dufferin Street, Toronto, Ontario M3H 5T4, Canada.
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36
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Auvray M. Long-range transport to Europe: Seasonal variations and implications for the European ozone budget. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004jd005503] [Citation(s) in RCA: 140] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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37
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Huntrieser H. Intercontinental air pollution transport from North America to Europe: Experimental evidence from airborne measurements and surface observations. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004jd005045] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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38
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Cooper OR. A springtime comparison of tropospheric ozone and transport pathways on the east and west coasts of the United States. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004jd005183] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Guttikunda SK. Impacts of Asian megacity emissions on regional air quality during spring 2001. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004jd004921] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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40
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Liang Q. Meteorological indices for Asian outflow and transpacific transport on daily to interannual timescales. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2005jd005788] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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41
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Holzer M, Hall TM, Stull RB. Seasonality and weather-driven variability of transpacific transport. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2005jd006261] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Liu J. Analysis of seasonal and interannual variability in transpacific transport. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004jd005207] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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43
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Hudman RC, Jacob DJ, Cooper OR, Evans MJ, Heald CL, Park RJ, Fehsenfeld F, Flocke F, Holloway J, Hübler G, Kita K, Koike M, Kondo Y, Neuman A, Nowak J, Oltmans S, Parrish D, Roberts JM, Ryerson T. Ozone production in transpacific Asian pollution plumes and implications for ozone air quality in California. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2004jd004974] [Citation(s) in RCA: 178] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- R. C. Hudman
- Division of Engineering and Applied Science; Harvard University; Cambridge Massachusetts USA
| | - D. J. Jacob
- Division of Engineering and Applied Science; Harvard University; Cambridge Massachusetts USA
| | - O. R. Cooper
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - M. J. Evans
- Division of Engineering and Applied Science; Harvard University; Cambridge Massachusetts USA
| | - C. L. Heald
- Department of Earth and Planetary Sciences; Harvard University; Cambridge Massachusetts USA
| | - R. J. Park
- Division of Engineering and Applied Science; Harvard University; Cambridge Massachusetts USA
| | - F. Fehsenfeld
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - F. Flocke
- Atmospheric Chemistry Division; National Center for Atmospheric Research; Boulder Colorado USA
| | - J. Holloway
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - G. Hübler
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - K. Kita
- Department of Environmental Science; Ibaraki University; Mito Japan
| | - M. Koike
- Department of Earth and Planetary Sciences; University of Tokyo; Tokyo Japan
| | - Y. Kondo
- Research Center for Advanced Science and Technology; University of Tokyo; Tokyo Japan
| | - A. Neuman
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - J. Nowak
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - S. Oltmans
- Climate Monitoring and Diagnostics Laboratory; National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - D. Parrish
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - J. M. Roberts
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
| | - T. Ryerson
- Aeronomy Laboratory, National Oceanic and Atmospheric Administration; Boulder Colorado USA
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44
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Oshima N, Koike M, Nakamura H, Kondo Y, Takegawa N, Miyazaki Y, Blake DR, Shirai T, Kita K, Kawakami S, Ogawa T. Asian chemical outflow to the Pacific in late spring observed during the PEACE-B aircraft mission. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2004jd004976] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- N. Oshima
- Department of Earth and Planetary Science, Graduate School of Science; University of Tokyo; Tokyo Japan
| | - M. Koike
- Department of Earth and Planetary Science, Graduate School of Science; University of Tokyo; Tokyo Japan
| | - H. Nakamura
- Department of Earth and Planetary Science, Graduate School of Science; University of Tokyo; Tokyo Japan
| | - Y. Kondo
- Research Center for Advanced Science and Technology; University of Tokyo; Tokyo Japan
| | - N. Takegawa
- Research Center for Advanced Science and Technology; University of Tokyo; Tokyo Japan
| | - Y. Miyazaki
- Research Center for Advanced Science and Technology; University of Tokyo; Tokyo Japan
| | - D. R. Blake
- Department of Chemistry; University of California; Irvine California USA
| | - T. Shirai
- Earth Observation Research and Application Center; Japan Aerospace Exploration Agency; Tokyo Japan
| | - K. Kita
- Department of Environmental Sciences, Faculty of Science; Ibaraki University; Ibaraki Japan
| | - S. Kawakami
- Earth Observation Research and Application Center; Japan Aerospace Exploration Agency; Tokyo Japan
| | - T. Ogawa
- Earth Observation Research and Application Center; Japan Aerospace Exploration Agency; Tokyo Japan
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45
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Roberts JM, Flocke F, Chen G, de Gouw J, Holloway JS, Hübler G, Neuman JA, Nicks DK, Nowak JB, Parrish DD, Ryerson TB, Sueper DT, Warneke C, Fehsenfeld FC. Measurement of peroxycarboxylic nitric anhydrides (PANs) during the ITCT 2K2 aircraft intensive experiment. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2004jd004960] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- James M. Roberts
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Frank Flocke
- Atmospheric Chemistry Division, National Center for Atmospheric Research; Boulder Colorado USA
| | - Gao Chen
- NASA Langley Research Center; Hampton Virginia USA
| | - Joost de Gouw
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - John S. Holloway
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Gerd Hübler
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - J. Andrew Neuman
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Dennis K. Nicks
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - John B. Nowak
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - David D. Parrish
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Thomas B. Ryerson
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Donna T. Sueper
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Carsten Warneke
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
| | - Fred C. Fehsenfeld
- NOAA/Environmental Research Laboratory Aeronomy Laboratory and Cooperative Institute for Research in the Environmental Sciences; University of Colorado; Boulder Colorado USA
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46
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Hogrefe C, Lynn B, Civerolo K, Ku JY, Rosenthal J, Rosenzweig C, Goldberg R, Gaffin S, Knowlton K, Kinney PL. Simulating changes in regional air pollution over the eastern United States due to changes in global and regional climate and emissions. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2004jd004690] [Citation(s) in RCA: 191] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- C. Hogrefe
- Atmospheric Sciences Research Center; State University of New York at Albany; Albany New York USA
| | - B. Lynn
- Center for Climate Systems Research; Columbia Earth Institute of Columbia University, Columbia University; New York New York USA
| | - K. Civerolo
- New York State Department of Environmental Conservation; Bureau of Air Quality Analysis and Research; Albany New York USA
| | - J.-Y. Ku
- New York State Department of Environmental Conservation; Bureau of Air Quality Analysis and Research; Albany New York USA
| | - J. Rosenthal
- Mailman School of Public Health; Columbia University; New York New York USA
| | - C. Rosenzweig
- NASA Goddard Institute for Space Studies; New York New York USA
| | - R. Goldberg
- NASA Goddard Institute for Space Studies; New York New York USA
| | - S. Gaffin
- Center for Climate Systems Research; Columbia Earth Institute of Columbia University, Columbia University; New York New York USA
| | - K. Knowlton
- Mailman School of Public Health; Columbia University; New York New York USA
| | - P. L. Kinney
- Mailman School of Public Health; Columbia University; New York New York USA
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47
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Weiss-Penzias P, Jaffe DA, Jaeglé L, Liang Q. Influence of long-range-transported pollution on the annual and diurnal cycles of carbon monoxide and ozone at Cheeka Peak Observatory. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2004jd004505] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Peter Weiss-Penzias
- Interdisciplinary Arts and Sciences; University of Washington; Bothell Washington USA
| | - Daniel A. Jaffe
- Interdisciplinary Arts and Sciences; University of Washington; Bothell Washington USA
| | - Lyatt Jaeglé
- Department of Atmospheric Sciences; University of Washington; Seattle Washington USA
| | - Qing Liang
- Department of Atmospheric Sciences; University of Washington; Seattle Washington USA
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48
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Liang Q, Jaeglé L, Jaffe DA, Weiss-Penzias P, Heckman A, Snow JA. Long-range transport of Asian pollution to the northeast Pacific: Seasonal variations and transport pathways of carbon monoxide. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2003jd004402] [Citation(s) in RCA: 229] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qing Liang
- Department of Atmospheric Sciences; University of Washington; Seattle Washington USA
| | - Lyatt Jaeglé
- Department of Atmospheric Sciences; University of Washington; Seattle Washington USA
| | - Daniel A. Jaffe
- Interdisciplinary Arts and Sciences; University of Washington; Bothell Washington USA
| | - Peter Weiss-Penzias
- Interdisciplinary Arts and Sciences; University of Washington; Bothell Washington USA
| | - Anna Heckman
- Interdisciplinary Arts and Sciences; University of Washington; Bothell Washington USA
| | - Julie A. Snow
- Science Department; United States Coast Guard Academy; New London Connecticut USA
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49
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Tang Y, Carmichael GR, Horowitz LW, Uno I, Woo JH, Streets DG, Dabdub D, Kurata G, Sandu A, Allan J, Atlas E, Flocke F, Huey LG, Jakoubek RO, Millet DB, Quinn PK, Roberts JM, Worsnop DR, Goldstein A, Donnelly S, Schauffler S, Stroud V, Johnson K, Avery MA, Singh HB, Apel EC. Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2004jd004513] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Youhua Tang
- Center for Global and Regional Environmental Research; University of Iowa; Iowa City Iowa USA
| | - Gregory R. Carmichael
- Center for Global and Regional Environmental Research; University of Iowa; Iowa City Iowa USA
| | - Larry W. Horowitz
- Geophysical Fluid Dynamics Laboratory, NOAA; Princeton New Jersey USA
| | - Itsushi Uno
- Research Institute for Applied Mechanics; Kyushu University; Fukuoka Japan
| | - Jung-Hun Woo
- Center for Global and Regional Environmental Research; University of Iowa; Iowa City Iowa USA
| | - David G. Streets
- Decision and Information Sciences Division; Argonne National Laboratory; Argonne Illinois USA
| | - Donald Dabdub
- Department of Mechanical and Aerospace Engineering; University of California; Irvine California USA
| | - Gakuji Kurata
- Department of Ecological Engineering; Toyohashi University of Technology; Toyohashi Japan
| | - Adrian Sandu
- Department of Computer Science; Virginia Polytechnic Institute and State University; Blacksburg Virginia USA
| | - James Allan
- Department of Physics; University of Manchester Institute of Science and Technology; Manchester UK
| | - Elliot Atlas
- National Center for Atmospheric Research; Boulder Colorado USA
| | - Franck Flocke
- National Center for Atmospheric Research; Boulder Colorado USA
| | - Lewis Gregory Huey
- School of Earth and Atmospheric Sciences; Georgia Institute of Technology; Atlanta Georgia USA
| | | | - Dylan B. Millet
- Department of Environmental Science, Policy, and Management; University of California; Berkeley California USA
| | - Patricia K. Quinn
- Pacific Marine Environmental Laboratory, NOAA; Seattle Washington USA
| | | | | | - Allen Goldstein
- Department of Environmental Science, Policy, and Management; University of California; Berkeley California USA
| | | | - Sue Schauffler
- National Center for Atmospheric Research; Boulder Colorado USA
| | - Verity Stroud
- National Center for Atmospheric Research; Boulder Colorado USA
| | - Kristen Johnson
- National Center for Atmospheric Research; Boulder Colorado USA
| | | | | | - Eric C. Apel
- National Center for Atmospheric Research; Boulder Colorado USA
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50
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Goldstein AH, Millet DB, McKay M, Jaeglé L, Horowitz L, Cooper O, Hudman R, Jacob DJ, Oltmans S, Clarke A. Impact of Asian emissions on observations at Trinidad Head, California, during ITCT 2K2. ACTA ACUST UNITED AC 2004. [DOI: 10.1029/2003jd004406] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Allen H. Goldstein
- Department of Environmental Science, Policy, and Management; University of California; Berkeley California USA
| | - Dylan B. Millet
- Department of Environmental Science, Policy, and Management; University of California; Berkeley California USA
| | - Megan McKay
- Department of Environmental Science, Policy, and Management; University of California; Berkeley California USA
| | - Lyatt Jaeglé
- Department of Atmospheric Science; University of Washington; Seattle Washington USA
| | - Larry Horowitz
- National Oceanic and Atmospheric Administration; Geophysical Fluid Dynamics Laboratory; Princeton New Jersey USA
| | - Owen Cooper
- Cooperative Institute for Research in Environmental Sciences; University of Colorado; Boulder Colorado USA
- National Oceanic and Atmospheric Administration; Aeronomy Laboratory; Boulder Colorado USA
| | - Rynda Hudman
- Division of Engineering and Applied Sciences and Department of Earth and Planetary Sciences; Harvard University; Cambridge Massachusetts USA
| | - Daniel J. Jacob
- Division of Engineering and Applied Sciences and Department of Earth and Planetary Sciences; Harvard University; Cambridge Massachusetts USA
| | - Sam Oltmans
- National Oceanic and Atmospheric Administration; Aeronomy Laboratory; Boulder Colorado USA
| | - Andrew Clarke
- National Oceanic and Atmospheric Administration; Aeronomy Laboratory; Boulder Colorado USA
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