3SDW test case at NPS/CIRA
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Transcript of 3SDW test case at NPS/CIRA
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3SDW test case at NPS/CIRA
Mike BarnaNPS-ARD5/29/13
National Park ServiceU.S. Department of the Interior
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Intro
• “first test case” CAMx run at NPS/CIRA a few weeks ago
• July 2008 (with 10 day spin-up)
• 36/12km domains (no 4 km domain)
• ~3 days wall clock time on 3GHz ‘westmere’ cpu’s w/OMP and hyperthreading
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36/12/4 km domains
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Process
• Copied CAMx inputs to local storage
• Built CAMx 5.41 w/OMP support
• Created python run script
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Hiccups
• Some configuration of CAM v.5.41
• Only one ‘initial condition’ file
• A little tedious to convert csh to python…would be easier to have CAMx.in
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Results
• Appears to be good match w/ ‘primary’ species (NO, NH3)
• Some mismatch w/ozone• NPS O3 concentrations generally higher• Probably not due to initial conditions…persist to
end of simulation
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Example O3 difference (July 31, 2008)
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Pilot study – NPS intermountain domain• Emission sectors:
• O&G• EGU’s• Mobile• Area• Biogenic
• Perform in-house at NPS/CIRA
• Use CAMx DDM
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WestJump and NPS policy issues
• WestJump is an ideal platform to ask questions about western US air quality:
• “where are the problem areas?” • Base case run
• “who is contributing to the problem?”• Source apportionment run
• “how would the problem respond to changing emissions?”• DDM run
• “what will this look like in the future?”• Future base case run
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Total N deposition
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PSAT tracers
Sulfur (2 Tracers)
o SO2i Primary SO2 emissions o PS4i Particulate sulfate ion from primary emissions plus secondarily formed sulfate
Nitrogen (7 Tracers)
o RGNi Reactive gaseous nitrogen including primary NOx (NO + NO2) emissions plus nitrate radical (NO3), nitrous acid (HONO) and dinitrogen pentoxide (N2O5).
o TPNi Gaseous peroxyl acetyl nitrate (PAN) plus peroxy nitric acid (PNA) o NTRi Organic nitrates (RNO3) o HN3i Gaseous nitric acid (HNO3) o PN3i Particulate nitrate ion from primary emissions plus secondarily formed nitrate o NH3i Gaseous ammonia (NH3) o PN4i Particulate ammonium (NH4)
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Wish list
• Complete set of inputs• CAMx.in• Initial conditions
• 4km met & emissions
• More details regarding CAMx build
• Pre-merged SMOKE files
• Ancillary tools(?)• Collected obs (CASTNet, NADP, IMPROVE, etc)• UAM to netCDF conversion