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arbcombo -- ARB Research Seminar: Source Speciation of Central Valley GHG Emissions Using In-Situ Measurement of VOCs
Posted: 27 Jul 2016 08:58:44
Allen Goldstein, Ph D University of California, Berkeley and Mark Fischer, Ph D Lawrence Berkeley National Laboratory. Thursday, August 25, 2016 1:30 p.m., PDT (WEBCAST) Sierra Hearing Room, 2nd Floor, Cal/EPA Building 1001 I Street, Sacramento, California Reducing greenhouse gas (GHG) emissions requires knowledge of the sources and activities which emit GHGs. California's Central Valley has a number of agricultural and natural sources of GHGs in addition to urban, anthropogenic sources. This work investigates the seasonal variability of CH4 and N2O source apportionment from year-long measurements of GHGs, CO, and a suite of VOCs in Walnut Grove, about 23 miles south of downtown Sacramento, from summer 2012 through early fall 2013. We apply the statistical technique of positive matrix factorization (PMF) on the combined GHG - VOC data set over seven separate periods that are representative of broad seasonal patterns observed in the region. We also compare our results to inverse modeling estimates at WGC for the same time-period. For more go to the announcement at: http://www.arb.ca.gov/research/seminars/goldstein4/goldstein4.htm Main menu: http://www.arb.ca.gov/research/seminars/seminars.htm Webcast: http://www.calepa.ca.gov/broadcast/?bdo=1 Please send your-e-mail for the Q&A participation to: sierrarm@calepa.ca.gov For more information on this seminar presentation please contact: Ash Lashgari, Ph.D. at (916) 323-1506 or Ash.Lashgari@arb.ca.gov For more information on the ARB Research Seminar Series please contact: Peter Mathews at (916) 323-8711 or Peter.Mathews@arb.ca.gov To receive notices for upcoming Seminars please go to: http://www.arb.ca.gov/listserv/listserv.php and sign up for the seminars list serve. California is in a drought emergency. Visit www.SaveOurH2O.org for water conservation tips. You are receiving this single arbcombo email because you are a subscriber to or have made a public comment to one or more of the following lists: ab32publichealth, ag, agriculture-sp, air-quality-data, air-quality-modeling, biogas, ccms, cc, ceqa, compost, forestry, gas-trans, ghg-rep, ghg-ver, landfills, localaction, manuremgmt, mvac-dismant, natandworkinglands, nla, oil-gas, research, seminars.