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ORGANIZER;CN=SOCAAR:MAILTO:[log in to unmask]
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN="SOCAAR-l:
Southern Ontario Centre for Atmospheric Aerosol Research":MAILTO:SOCAAR-L@l
istserv.utoronto.ca
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN=Chris Capp
a:MAILTO:[log in to unmask]
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN=Jennifer M
urphy:MAILTO:[log in to unmask]
ATTACH:CID:[log in to unmask]
DESCRIPTION;LANGUAGE=en-US:Hi Everyone\,\n\nSOCAAR is pleased to announce t
he Seminar for October 2019\,\n\n\nWednesday\, October 9\, 2019\n3:00 - 4:
00PM\nWallberg Building\, 200 College Street\, Room 215\n\nProf. Chris Cap
pa\nPROFESSOR\nDepartment of Civil and Environmental Engineering\nUCDAVIS\
n\n\nLIGHT ABSORPTION BY ATMOSPHERIC PARTICLES: CONNECTING SOURCES\, CHEMI
CAL PROCESSING AND IMPACTS THROUGH LAB EXPERIMENTS\n\nAn important process
through which atmospheric particles exert an influence on regional and gl
obal climate is the absorption of solar radiation. Three classes of partic
les contribute most of the absorption: black carbon (BC)\, absorbing organ
ic carbon (aka “brown” carbon\, or BrC) and dust. Absorption by BC and
BrC can contribute nearly as much to global radiative forcing as CO2. How
ever\, the uncertainties in the absolute and relative BC and BrC contribut
ions are substantial. In this seminar\, new results from two CA field stud
ies and a laboratory study focused on biomass burning emissions will be us
ed to understand the atmospheric variability in observed BC and BrC proper
ties. The field studies\, in wintertime Fresno and summertime Fontana\, CA
\, provide context for understanding seasonal and regional differences in
how sources and chemical processing impact the relationship between partic
le composition and absorptivity. The “FIREX” lab study\, at the US For
est Service Fire Lab\, provides a comprehensive look at how chemical proce
ssing in smoke plumes alters the absorption by biomass burning-derived par
ticles\, and how this depends on the fuel burned. Together\, these studies
provide new constraints for representing the atmospheric variability evol
ution of BC and BrC in models.\n\n\n\nPlease join our meeting from your co
mputer\, tablet or smartphone.\nhttps://global.gotomeeting.com/join/451413
069\n\nYou can also dial in using your phone.\nCanada: +1 (647) 497-9391\n
- One-touch: tel:+16474979391\,\,451413069#
\n\nAccess Code: 451-413-069\n\nNew to GoToMeeting? Get the app now and be
ready when your first meeting starts: https://global.gotomeeting.com/inst
all/451413069\n\n───────────────────
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SUMMARY;LANGUAGE=en-US:SOCAAR Seminar - Prof. Chris Cappa - Oct 9\, 2019
DTSTART;TZID=Eastern Standard Time:20191009T150000
DTEND;TZID=Eastern Standard Time:20191009T160000
CLASS:PUBLIC
PRIORITY:5
DTSTAMP:20190926T152534Z
TRANSP:OPAQUE
STATUS:CONFIRMED
SEQUENCE:0
LOCATION;LANGUAGE=en-US:WB215\, 200 College Street
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