{"id":21508,"date":"2015-03-30T14:43:06","date_gmt":"2015-03-30T18:43:06","guid":{"rendered":"http:\/\/www.fondriest.com\/news\/?p=21508"},"modified":"2021-11-10T16:41:19","modified_gmt":"2021-11-10T20:41:19","slug":"winter-campaign-captures-colds-effects-on-air-pollution","status":"publish","type":"post","link":"https:\/\/www.fondriest.com\/news\/winter-campaign-captures-colds-effects-on-air-pollution.htm","title":{"rendered":"WINTER campaign captures cold\u2019s effects on air pollution"},"content":{"rendered":"<p>As atmospheric research goes, a lot of time is spent studying the airborne chemistry that happens in the summer. Things like ozone production and levels of particulate matter get plenty of attention during the warm season. But few investigations have captured the effects that winter has on air pollution.<\/p>\n<p>Scientists at the University of Washington helped to lead an air monitoring campaign to look deeper into the effects of cold conditions on air pollution. Their research flights, which took place in a C-130, canvassed parts of the Ohio River Valley, U.S. Northeast and the Mid-Atlantic states.<\/p>\n<p>\u201cThe northeast U.S. is a densely populated region with relatively large emissions of pollutants from a variety of sources of interest to air quality and climate policy,\u201d said Joel Thornton, professor of atmospheric sciences at the University of Washington and a principal investigator on the Wintertime Investigation of Transport, Emissions and Reactivity campaign.  \u201cThe highly urbanized regions of New York City, Philadelphia, Washington, D.C., are all within close proximity to the coal-fired power plants that are located throughout the Ohio River Valley and the oil and gas extraction sites in Pennsylvania, Ohio and West Virginia.\u201d<\/p>\n<p>Studying in these regions is also valuable because of the vast differences they hold in land use and position. For example, data collected over urban areas to the north can be compared to those taken near agricultural lands and smaller cities to the south, and scientists can get a grasp on the meteorological contrasts each region sees during the same season. Working off the Atlantic coast gives them another advantage: They can follow air pollution as it flows far offshore, sometimes days downwind of its original source, and see how pollution transforms as it becomes part of global cycles.<\/p>\n<div id=\"attachment_21500\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-21500\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2015\/03\/winter_pollution_map.jpg\" alt=\"A satellite map shows particulate matter over the Northeast urban corridor, Ohio River Valley and Mid-Atlantic states. (Credit: A. Rockwell, National Center for Atmospheric Research)\" width=\"600\" height=\"400\" class=\"size-full wp-image-21500\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2015\/03\/winter_pollution_map.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2015\/03\/winter_pollution_map-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-21500\" class=\"wp-caption-text\">A satellite map shows particulate matter over the Northeast urban corridor, Ohio River Valley and Mid-Atlantic states. (Credit: A. Rockwell, National Center for Atmospheric Research)<\/p><\/div>\n<p>The C-130, a flying laboratory maintained by the National Center for Atmospheric Research, chipped in to help scientists take measurements of trace gases and particulate levels at speeds hitting 200 nautical miles per hour. It also carried scientists as they did some tricky maneuvers to capture hard-to-reach measurements. <\/p>\n<p>Since air pollution tends to stay close to the ground in winter, researchers had to conduct \u201cmissed approach\u201d flight patterns \u2014 coming close to landing about 100 feet from runways and then surging skyward \u2014 while taking measurements.<\/p>\n<p>\u201cThis campaign was both exciting, as no other campaign quite like it has been conducted before in the wintertime,\u201d said Thornton. \u201cSo every flight we made seemed to lead to some new insight.\u201d<\/p>\n<p>Some of those were gained during long nighttime flights, as well as during the unusually active winter weather over the East Coast in early 2015. <\/p>\n<div id=\"attachment_21501\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-21501\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2015\/03\/winter_pollution_cockpit.jpg\" alt=\"A view from the cockpit as scientists fly over Long Island to sample nighttime pollution from New York City. (Credit: Joel Thornton)\" width=\"600\" height=\"400\" class=\"size-full wp-image-21501\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2015\/03\/winter_pollution_cockpit.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2015\/03\/winter_pollution_cockpit-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-21501\" class=\"wp-caption-text\">A view from the cockpit as scientists fly over Long Island to sample nighttime pollution from New York City. (Credit: Joel Thornton)<\/p><\/div>\n<p>\u201cThe combination of the very busy airspace, stormy weather and needs for instrument and crew rest made planning and executing all of our research flights in a timely manner quite difficult, but we succeeded in the end on time,\u201d said Thornton.<\/p>\n<p>Findings from the work are not yet available, but Thornton and others expect that the speed at which air pollutants transform into secondary pollutants, like ozone, will be much lower in the winter than in summer. More intense sunlight and higher temperatures drive chemical reactions in the summer, converting emissions sometimes as quickly as a day, which keeps them close to their source.<\/p>\n<p>\u201cOur understanding of what happens to these same pollutants when emitted in the winter is much more limited, but we expect that their transformation timescales are much longer, and therefore are spread over greater distances before being removed, with implications beyond local and regional scales out to the global atmosphere,\u201d said Thornton.<\/p>\n<p>The University of Washington team was joined by others at the University of Colorado, University of California, Berkeley, Georgia Institute of Technology and the National Oceanic and Atmospheric Administration. Support for the C-130 is provided by the National Science Foundation. <\/p>\n<p><em><span style=\"color: #808080;\">Top image:\u00a0The C-130 research aircraft after a flight from New York City to the Atlantic Ocean to measure air pollution. (Credit: Joel Thornton)<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Led by the University of Washington, a team of researchers combined expertise to study effects winter has on air pollution across the eastern U.S.<\/p>\n","protected":false},"author":13,"featured_media":21499,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,5],"tags":[128,345,60,123,136,206],"class_list":["post-21508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-atmosphere","category-featured-articles","tag-air-quality","tag-earth-atmosphere","tag-featured","tag-mobile-research","tag-pollution","tag-university-of-washington"],"remote_post_permalink":false,"remote_post_featured_image":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WINTER campaign captures cold\u2019s effects on air pollution<\/title>\n<meta name=\"description\" content=\"Led by the University of Washington, a team of researchers combined expertise to study effects winter has on air pollution across the eastern U.S.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fondriest.com\/news\/winter-campaign-captures-colds-effects-on-air-pollution.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WINTER campaign captures cold\u2019s effects on air pollution\" \/>\n<meta property=\"og:description\" content=\"Led by the University of Washington, a team of researchers combined expertise to study effects winter has on air pollution across the eastern U.S.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fondriest.com\/news\/winter-campaign-captures-colds-effects-on-air-pollution.htm\" \/>\n<meta property=\"og:site_name\" content=\"Environmental Monitor\" \/>\n<meta property=\"article:published_time\" content=\"2015-03-30T18:43:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-10T20:41:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2015\/03\/winter_pollution_plane.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"420\" \/>\n\t<meta property=\"og:image:height\" content=\"470\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel Kelly\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Kelly\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/winter-campaign-captures-colds-effects-on-air-pollution.htm#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/winter-campaign-captures-colds-effects-on-air-pollution.htm\"},\"author\":{\"name\":\"Daniel Kelly\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/#\\\/schema\\\/person\\\/847643ff7cab0510299c8b13d204eac7\"},\"headline\":\"WINTER campaign captures cold\u2019s effects on air pollution\",\"datePublished\":\"2015-03-30T18:43:06+00:00\",\"dateModified\":\"2021-11-10T20:41:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/winter-campaign-captures-colds-effects-on-air-pollution.htm\"},\"wordCount\":722,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/winter-campaign-captures-colds-effects-on-air-pollution.htm#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/news.fondriest.com\\\/wp-content\\\/uploads\\\/2015\\\/03\\\/winter_pollution_plane.jpg\",\"keywords\":[\"air quality\",\"Earth &amp; 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