Download - Testable sensitivities of CTM simulations to meteorological fields Yuhang Wang Georgia Tech
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Testable sensitivities of CTM simulations to meteorological fields
Yuhang Wang
Georgia Tech
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Models
• GEOS-CHEM: Used in some comparisons; provides chemical boundary conditions.
• Polar MM5 driven regional CTM: Boundary layer sensitivities
• MM5 driven RCTM (REAM): spring-summer transition
• MM5 and WRF driven REAM: convection and lightning in summer – INTEX-NA
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Default ETA MYJ 2.5-order closure
Modified ETA
(Zeng et al., 2006)
Arctic surface ozone depletion
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Modified ETA
Default ETA
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Boundary layer height at the South Pole, 2003
(Wang et al., 2007)
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(Choi et al, 2007)
Spring-summer transition:Trop NO2 column retrievals for February-May, 2000
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Surface O3 concentrations and afternoon mixing heights February-May, 2000
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(Zhao et al., 2007)
MM5: Grell schemeWRF: new K-F scheme
Summer time convection and lightning
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Lightning impact on NO2 columnWRF-REAM
MM5-REAM
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Lightning impact on NO2 at 500 hpa
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Convective scavenging of HNO3
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Surface O3 simulations