{"id":476,"date":"2017-11-24T10:38:57","date_gmt":"2017-11-24T15:38:57","guid":{"rendered":"https:\/\/carleton.ca\/methanesymposium\/?page_id=476"},"modified":"2024-03-12T15:09:13","modified_gmt":"2024-03-12T19:09:13","slug":"videos-johnson","status":"publish","type":"page","link":"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/","title":{"rendered":"Videos &#8211; Matthew Johnson"},"content":{"rendered":"<h4><strong>Methane Emissions for Two Oil and Gas Regions of Alberta<br \/>\n<em>Prof. Matthew Johnson<\/em><\/strong><\/h4>\n<p><iframe loading=\"lazy\" frameborder=\"0\" height=\"360\" src=\"https:\/\/player.vimeo.com\/video\/244697316\" width=\"640\"><\/iframe><\/p>\n<p><strong>Abstract:<\/strong><\/p>\n<p>Methane is an important short-lived greenhouse gas that is many times more potent that carbon dioxide, especially in the near term.\u00a0 Reducing methane emissions is globally recognized as an important, near-term opportunity for mitigating climate change and meeting international climate commitments.\u00a0 The oil and gas industry is the largest sector source of methane emissions in Canada, and current federal and provincial regulatory efforts are focussed on reducing these emissions by 40-45%.\u00a0 However, many sources of methane in the oil and gas sector (especially so-called fugitive sources) are difficult to quantify and the national greenhouse gas inventory is consequently based on a combination of reported and estimated data.\u00a0 Especially important questions for the success of proposed regulations include the accuracy of the assumed baseline methane emission estimates, the accuracy and completeness of current reporting, and the nature and distribution of sources.\u00a0 This presentation will discuss a recent peer-reviewed study designed to directly compare \u201ctop-down\u201d airborne methane measurements with updated region-specific \u201cbottom-up\u201d inventories utilizing current industry-reported flaring and venting volumes (reported data) and quantitative estimates of unreported venting and fugitive sources. \u00a0For a 50 \u00d7 50 km measurement region near Red Deer, Alberta, characterized by natural gas and light oil production, measured methane fluxes were more than 17 times greater than that derived from directly reported data but consistent with our region-specific bottom-up inventory-based estimate. \u00a0For a 60 \u00d7 60 km measurement region near Lloydminster, characterized by significant cold heavy oil production with sand (CHOPS), airborne measured methane fluxes were five times greater than directly reported emissions from venting and flaring and four times greater than our region-specific bottom up inventory-based estimate. \u00a0The methodological comparison has implications both for understanding the accuracy and completeness of current emission reporting, and for evaluating the effectiveness of current federal and provincial regulatory efforts aimed at reducing methane emissions in this sector.<\/p>\n<p><strong>References:<\/strong><\/p>\n<ul>\n<li>M.R. Johnson, D.R. Tyner, S. Conley, S. Schwietzke, D. Zavala-Araiza (2017)\u00a0<a href=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.est.7b03525\">Comparisons of Airborne Measurements and Inventory Estimates of Methane Emissions in the Alberta Upstream Oil and Gas Sector<\/a>,\u00a0<em>Environmental Science &amp; Technology<\/em>, 51(21):13008-13017. (doi:\u00a0<a href=\"http:\/\/dx.doi.org\/10.1021\/acs.est.7b03525\">10.1021\/acs.est.7b03525<\/a>)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Methane Emissions for Two Oil and Gas Regions of Alberta Prof. Matthew Johnson Abstract: Methane is an important short-lived greenhouse gas that is many times more potent that carbon dioxide, especially in the near term.\u00a0 Reducing methane emissions is globally recognized as an important, near-term opportunity for mitigating climate change and meeting international climate commitments.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":494,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Videos - Matthew Johnson - EERL Methane Symposium<\/title>\n<meta name=\"description\" content=\"Methane Emissions for Two Oil and Gas Regions of Alberta Prof. Matthew Johnson Abstract: Methane is an important short-lived greenhouse gas that is many\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/\",\"url\":\"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/\",\"name\":\"Videos - Matthew Johnson - EERL Methane Symposium\",\"isPartOf\":{\"@id\":\"https:\/\/carleton.ca\/methanesymposium\/#website\"},\"datePublished\":\"2017-11-24T15:38:57+00:00\",\"dateModified\":\"2024-03-12T19:09:13+00:00\",\"description\":\"Methane Emissions for Two Oil and Gas Regions of Alberta Prof. Matthew Johnson Abstract: Methane is an important short-lived greenhouse gas that is many\",\"breadcrumb\":{\"@id\":\"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/carleton.ca\/methanesymposium\/videos\/videos-johnson\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/carleton.ca\/methanesymposium\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Presentation Videos\",\"item\":\"https:\/\/carleton.ca\/methanesymposium\/videos\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Videos &#8211; 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