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Effects of Liquid Water on Secondary Inorganic Aerosol in Central California During a Winter Episode. 1 Planning and Technical Support Division Air Resources Board California Environmental Protection Agency 2 Department of Land, Air and Water Resources University of California at Davis. - PowerPoint PPT Presentation

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  • Effects of Liquid Water on Secondary Inorganic Aerosol in Central California During a Winter Episode 1Planning and Technical Support DivisionAir Resources BoardCalifornia Environmental Protection Agency

    2Department of Land, Air and Water ResourcesUniversity of California at Davis

    Paul Livingstone1, Ajith Kaduwela1,2, Kemal Gurer1, Paul Allen1, and Bruce Jackson1

    5th Annual CMAS Conference

  • DISCLAIMERThe content of this presentation does not necessarily reflect the views and policies of the California Air Resources Board, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.

    5th Annual CMAS Conference

  • OutlineIntroductionModeling ApproachResults and DiscussionsLiquid Water from MM5Simulated SIAEffects of Cloud and RainSummary

    5th Annual CMAS Conference

  • IntroductionMeteorological ParametersDrive the distribution of tracers in the airUsed in key components of CMAQAtmospheric Liquid Water Medium for aqueous-phase reactionsAbsorption, evaporation, depositionEffects of Liquid WaterVisible and invisibleSmall: insoluble gases, O3Large: soluble, H2O2, HCHO, SO2, Sulfate ionSIA (Ammonium ion, nitrate ion, sulfate ion)

    5th Annual CMAS Conference

  • The San Joaquin ValleyOne of the most productive agricultural regions in the world Cadillac DessertMajor goods movement corridorsOil production in the southern ValleyAir Quality: Second most polluted area in the US and second most studied area in the worldOzone pollution in the summer and PM pollution in the winter (but the annual PM standard is more restrictive)

    5th Annual CMAS Conference

  • Major field studies 1970: Project Lo-Jet (identified summertime low-level jet and Fresno eddy)1972: Aerosol Characterization Experiment (ACHEX, first TSP chemical composition and size distributions)1979-1980: Inhalable Particulate Network (first long-term PM2.5 and PM15 mass and elemental measurements in Bay Area, Five Points)1978: Central California Aerosol and Meteorological Study (seasonal TSP elemental composition, seasonal transport patterns)1979-1982: Westside Operators (first TSP sulfate and nitrate compositions in western Kern County)1984: Southern SJV ozone study (first major characterization of O3 and meteorology in Kern County)1986-1988: California Source Characterization Study (quantified chemical composition of source emissions)1988-89: Valley Air Quality Study (first spatially diverse, chemical characterized, annual and 24-hour PM2.5 and PM10 seasonal)Summer 1990: San Joaquin Valley Air Quality Study/Atmospheric Utilities Signatures Predictions and Experiments (SJVAQS/AUSPEX, first central California regional study of O3 and PM2.5) Also known as SARMAP (SJVAQS/AUSPEX Regional Modeling Adaptation Project) Winter 1995: CRPAQS Pilot Study (IMS95, first sub-regional winter study)December 1999 to February 2001: CRPAQS and CCOS (first year-long, regional-scale effort)December 1999 to present: Fresno Supersite (first multi-year experiment with advanced monitoring technology)Prof. John Watson, DRI

    5th Annual CMAS Conference

  • Seasonality of O3 and PM2.5Fresno 1st Street

    5th Annual CMAS Conference

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    8-Hour Ozone Max (ppb)

    Daily PM2.5 (ug/m3)

    Measured Concentration

    PM2.5

    300961/1/0009900DCHT6GRAV

    300961/7/0005300DCHT6GRAV

    300961/13/0003900DCHT6GRAV

    300961/19/0001500DCHT6GRAV

    300961/25/000600DCHT6GRAV

    300961/31/0002000DCHT6GRAV

    300962/6/0002700DCHT6GRAV

    300962/12/000500DCHT6GRAV

    300962/18/0002500DCHT6GRAV

    300962/24/0001700DCHT6GRAV

    300963/1/0002200DCHT6GRAV

    300963/7/0001100DCHT6GRAV

    300963/14/0001700DCHT6GRAV

    300963/19/0001300DCHT6GRAV

    300963/25/0001300DCHT6GRAV

    300963/31/0001200DCHT6GRAV

    300964/6/0001000DCHT6GRAV

    300964/12/0001100DCHT6GRAV

    300964/18/000900DCHT6GRAV

    300964/24/000700DCHT6GRAV

    300964/30/0001000DCHT6GRAV

    300965/6/000600DCHT6GRAV

    300965/12/000500DCHT6GRAV

    300965/18/0001100DCHT6GRAV

    300965/24/000900DCHT6GRAV

    300965/30/000600DCHT6GRAV

    300966/5/000600DCHT6GRAV

    300966/11/000500DCHT6GRAV

    300966/17/000800DCHT6GRAV

    300966/23/0001000DCHT6GRAV

    300966/29/0001000DCHT6GRAV

    300967/5/000600DCHT6GRAV

    300967/12/0001000DCHT6GRAV

    300967/17/000600DCHT6GRAV

    300967/23/000800DCHT6GRAV

    300967/29/0001200DCHT6GRAV

    300968/4/0001200DCHT6GRAV

    300968/10/000700DCHT6GRAV

    300968/16/0001200DCHT6GRAV

    300968/22/0001000DCHT6GRAV

    300968/28/000800DCHT6GRAV

    300969/3/000400DCHT6GRAV

    300969/9/000800DCHT6GRAV

    300969/15/000500DCHT6GRAV

    300969/21/0001000DCHT6GRAV

    300969/27/0001300DCHT6GRAV

    3009610/6/000800DCHT6GRAV

    3009610/13/0001800DCHT6GRAV

    3009610/18/0003800DCHT6GRAV

    3009610/27/000700DCHT6GRAV

    3009611/2/0004200DCHT6GRAV

    3009611/8/0002700DCHT6GRAV

    3009611/14/0001300DCHT6GRAV

    3009611/20/0009400DCHT6GRAV

    3009611/26/0005600DCHT6GRAV

    3009612/2/0007400DCHT6GRAV

    3009612/8/0008700DCHT6GRAV

    3009612/14/0002200DCHT6GRAV

    3009612/24/0005200DCHT6GRAV

    3009612/26/0007700DCHT6GRAV

    FSF_O31H_OUTPUT

    30091/1/0070.034340.02424Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/2/0010.025250.01818Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/3/0020.024240.01818Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/4/0030.016160.0099Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/5/0040.016160.0099Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/6/0050.02200.01414Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/7/0060.028280.01616Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/8/0070.037370.02626Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/9/0010.047470.0330Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/10/0020.042420.02929Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/11/0030.032320.02222Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/12/0040.03300.02424Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/13/0050.034340.02525Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/14/0060.021210.0110Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/15/0070.028280.01212Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/16/0010.032320.02323Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/17/0020.00440.0055Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/18/0030.023230.01717Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/19/0040.018180.01212Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/20/0050.017170.01515Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/21/0060.041410.03131Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/22/0070.024240.01717Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/23/0010.021210.01717Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/24/0020.021210.02222Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/25/0030.026260.0220Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/26/0040.024240.01919Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/27/0050.024240.01313Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/28/0060.024240.01717Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/29/0070.029290.02222Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/30/0010.027270.01919Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30091/31/0020.028280.02222Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/1/0030.037370.02828Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/2/0040.041410.02626Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/3/0050.045450.03838Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/4/0060.03300.02323Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/5/0070.046460.03636Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/6/0010.046460.03535Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/7/0020.04400.02828Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/8/0030.034340.02424Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/9/0040.032320.02424Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/10/0050.035350.0330Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/11/0060.036360.02929Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/12/0070.041410.03636Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/13/0010.038380.03434Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/14/0020.038380.0330Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/15/0030.032320.02626Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/16/0040.035350.02525Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/17/0050.038380.02929Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/18/0060.033330.02727Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/19/0070.032320.02121Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/20/0010.048480.04646Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/21/0020.05500.04141Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/22/0030.033330.02626Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/23/0040.042420.03636Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/24/0050.033330.02323Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/25/0060.042420.03737Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/26/0070.045450.0440Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/27/0010.048480.04242Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/28/0020.039390.03535Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30092/29/0030.03300.02424Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/1/0040.036360.0330Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/2/0050.035350.02525Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/3/0060.038380.02929Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/4/0070.045450.03838Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/5/0010.037370.03636Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/6/0020.047470.04242Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/7/0030.037370.0330Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/8/0040.046460.03838Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/9/0050.047470.04242Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/10/0060.041410.03737Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/11/0070.058580.04545Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/12/0010.047470.03939Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/13/0020.048480.0440Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/14/0030.06600.0550Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/15/0040.05500.0440Fresno-1st Street60190008FresnoSan Joaquin ValleyOzone - Max. 1 hour average concentrationppm

    30093/16/0050.047470.04343Fres...

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