PM2.5 Soil/Crustal Sensitivity Runs

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Presentation transcript:

PM2.5 Soil/Crustal Sensitivity Runs

PM2.5 Crustal/Soil Emissions baseD+ at 1PM PM2.5 Crustal/Soil Emissions baseD+ w/MDM at 1PM baseD+ w/MDM at 12AM

Dust Modification

Dust Modification

Diurnal Profile Ammonia Sensitivities PM2.5 Nitrate Diurnal Profile Ammonia Sensitivities

Ammonia Sensitivity Runs Using default confined animal operations temporal profiles, monthly fertilizer, and including all pets and human ammonia emissions Sensitivities: Improved temporal profiles for confined animal operations No pets, humans, or deer ammonia emissions

PM2.5 Nitrate PM2.5 Ammonium

PM2.5 Nitrate PM2.5 Ammonium

1) Cut low level SO2 emissions 2) No aqueous phase chemistry PM2.5 Sulfate 1) Cut low level SO2 emissions 2) No aqueous phase chemistry

Cut Low Level SO2 Emissions by 50% (area, on-road, off-road only) PNO3 PSO4 SO2

Cut Low Level SO2 Emissions by 50%

St. Louis Super Site - Sulfate BASE E no clouds

Pittsburgh Super Site - Sulfate BASE E no clouds

Mammoth Cave, KY PM 2.5 Sulfate

PM2.5 Carbon Removed forest fires Double PM2.5 primary emissions from motor vehicles

PM2.5 Primary Organic Carbon Difference Plot Winter <–> Summer

Double PM2.5 Emissions for Onroad Mobile Sector OC EC

Ammonia Sensitivities

PNO3 PNH4

PNO3 PNH4

Episode Average Spatial Differences Jan-Feb 2000 NH3(ppb) NH4(ug/m3) NO3(ug/m3)

Episode Average Spatial Differences August-Sept 1999 NH3(ppb) NH4(ug/m3) NO3(ug/m3)

MRPO Dust Modification Landuse category specific reductions Urban 20% Agriculture 30% Range 0% Decid. Forest 50% Conif. Forest 50% Mixed Forest 50% Barren 0% Wetlands 40% Mixed Agro/Range 10% Rocky 0% Diurnal reductions 50% overnight, 0% during the day transition periods between 0 and 50%

Livonia, IN PM 2.5 Sulfate