Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment

G. R. Carmichael, Y. Tang, G. Kurata, I. Uno, D. Streets, J. H. Woo, H. Huang, J. Yienger, B. Lefer, R. Shetter, D. Blake, Elliot L Atlas, A. Fried, E. Apel, F. Eisele, C. Cantrell, M. Avery, J. Barrick, G. Sachse, W. Brune & 8 others S. Sandholm, Y. Kondo, H. Singh, R. Talbot, A. Bandy, D. Thorton, A. Clarke, B. Heikes

Research output: Contribution to journalArticle

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Abstract

Data obtained during the TRACE-P experiment is used to evaluate how well the CFORS/STEM-2K1 regional-scale chemical transport model is able to represent the aircraft observations. Thirty-one calculated trace gas and aerosol parameters are presented and compared to the in situ data. The regional model is shown to accurately predict many of the important features observed. The mean values of all the model parameters in the lowest 1 km are predicted within ±30% of the observed values. The correlation coefficients (R) for the meteorological parameters are found to be higher than those for the trace species. For example, for temperature, R > 0.98. Among the trace species, ethane, propane, and ozone show the highest values (0.8 < R < 0.9), followed by CO, SO2, and NOy, NO and NO2 had the lowest values (R < 0.4). Analyses of pollutant transport into the Yellow Sea by frontal events are presented and illustrate the complex nature of outflow. Biomass burning from SE Asia is transported in the warm conveyor belt at altitudes above ∼2 km and at latitudes below 30N. Outflow of pollution emitted along the east coast of China in the postfrontal regions is typically confined to the lower ∼2 km and results in high concentrations with plume-like features in the Yellow Sea. During these situations the model underpredicts CO and black carbon (among other species). An analysis of ozone production in this region is also presented. In and around the highly industrialized regions of East Asia, where fossil fuel usage dominates, ozone is NMHC-limited. South of ∼30-35N, ozone production is NOx-limited, reflecting the high NMHC/NOx ratios due to the large contributions to the emissions from biomass burning, biogenics sources, and biofuel usage in central China and SE Asia.

Original languageEnglish (US)
JournalJournal of Geophysical Research C: Oceans
Volume108
Issue number21
StatePublished - Nov 16 2003
Externally publishedYes

Fingerprint

Ozone
ozone
biomass burning
Carbon Monoxide
modeling
China
Biomass
outflow
experiment
observation aircraft
Experiments
Soot
meteorological parameters
Propane
fossil fuels
Ethane
Biofuels
propane
ethane
pollutant transport

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Atmospheric Science
  • Geochemistry and Petrology
  • Geophysics
  • Oceanography
  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Carmichael, G. R., Tang, Y., Kurata, G., Uno, I., Streets, D., Woo, J. H., ... Heikes, B. (2003). Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment. Journal of Geophysical Research C: Oceans, 108(21).

Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment. / Carmichael, G. R.; Tang, Y.; Kurata, G.; Uno, I.; Streets, D.; Woo, J. H.; Huang, H.; Yienger, J.; Lefer, B.; Shetter, R.; Blake, D.; Atlas, Elliot L; Fried, A.; Apel, E.; Eisele, F.; Cantrell, C.; Avery, M.; Barrick, J.; Sachse, G.; Brune, W.; Sandholm, S.; Kondo, Y.; Singh, H.; Talbot, R.; Bandy, A.; Thorton, D.; Clarke, A.; Heikes, B.

In: Journal of Geophysical Research C: Oceans, Vol. 108, No. 21, 16.11.2003.

Research output: Contribution to journalArticle

Carmichael, GR, Tang, Y, Kurata, G, Uno, I, Streets, D, Woo, JH, Huang, H, Yienger, J, Lefer, B, Shetter, R, Blake, D, Atlas, EL, Fried, A, Apel, E, Eisele, F, Cantrell, C, Avery, M, Barrick, J, Sachse, G, Brune, W, Sandholm, S, Kondo, Y, Singh, H, Talbot, R, Bandy, A, Thorton, D, Clarke, A & Heikes, B 2003, 'Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment', Journal of Geophysical Research C: Oceans, vol. 108, no. 21.
Carmichael, G. R. ; Tang, Y. ; Kurata, G. ; Uno, I. ; Streets, D. ; Woo, J. H. ; Huang, H. ; Yienger, J. ; Lefer, B. ; Shetter, R. ; Blake, D. ; Atlas, Elliot L ; Fried, A. ; Apel, E. ; Eisele, F. ; Cantrell, C. ; Avery, M. ; Barrick, J. ; Sachse, G. ; Brune, W. ; Sandholm, S. ; Kondo, Y. ; Singh, H. ; Talbot, R. ; Bandy, A. ; Thorton, D. ; Clarke, A. ; Heikes, B. / Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment. In: Journal of Geophysical Research C: Oceans. 2003 ; Vol. 108, No. 21.
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abstract = "Data obtained during the TRACE-P experiment is used to evaluate how well the CFORS/STEM-2K1 regional-scale chemical transport model is able to represent the aircraft observations. Thirty-one calculated trace gas and aerosol parameters are presented and compared to the in situ data. The regional model is shown to accurately predict many of the important features observed. The mean values of all the model parameters in the lowest 1 km are predicted within ±30{\%} of the observed values. The correlation coefficients (R) for the meteorological parameters are found to be higher than those for the trace species. For example, for temperature, R > 0.98. Among the trace species, ethane, propane, and ozone show the highest values (0.8 < R < 0.9), followed by CO, SO2, and NOy, NO and NO2 had the lowest values (R < 0.4). Analyses of pollutant transport into the Yellow Sea by frontal events are presented and illustrate the complex nature of outflow. Biomass burning from SE Asia is transported in the warm conveyor belt at altitudes above ∼2 km and at latitudes below 30N. Outflow of pollution emitted along the east coast of China in the postfrontal regions is typically confined to the lower ∼2 km and results in high concentrations with plume-like features in the Yellow Sea. During these situations the model underpredicts CO and black carbon (among other species). An analysis of ozone production in this region is also presented. In and around the highly industrialized regions of East Asia, where fossil fuel usage dominates, ozone is NMHC-limited. South of ∼30-35N, ozone production is NOx-limited, reflecting the high NMHC/NOx ratios due to the large contributions to the emissions from biomass burning, biogenics sources, and biofuel usage in central China and SE Asia.",
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T1 - Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment

AU - Carmichael, G. R.

AU - Tang, Y.

AU - Kurata, G.

AU - Uno, I.

AU - Streets, D.

AU - Woo, J. H.

AU - Huang, H.

AU - Yienger, J.

AU - Lefer, B.

AU - Shetter, R.

AU - Blake, D.

AU - Atlas, Elliot L

AU - Fried, A.

AU - Apel, E.

AU - Eisele, F.

AU - Cantrell, C.

AU - Avery, M.

AU - Barrick, J.

AU - Sachse, G.

AU - Brune, W.

AU - Sandholm, S.

AU - Kondo, Y.

AU - Singh, H.

AU - Talbot, R.

AU - Bandy, A.

AU - Thorton, D.

AU - Clarke, A.

AU - Heikes, B.

PY - 2003/11/16

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N2 - Data obtained during the TRACE-P experiment is used to evaluate how well the CFORS/STEM-2K1 regional-scale chemical transport model is able to represent the aircraft observations. Thirty-one calculated trace gas and aerosol parameters are presented and compared to the in situ data. The regional model is shown to accurately predict many of the important features observed. The mean values of all the model parameters in the lowest 1 km are predicted within ±30% of the observed values. The correlation coefficients (R) for the meteorological parameters are found to be higher than those for the trace species. For example, for temperature, R > 0.98. Among the trace species, ethane, propane, and ozone show the highest values (0.8 < R < 0.9), followed by CO, SO2, and NOy, NO and NO2 had the lowest values (R < 0.4). Analyses of pollutant transport into the Yellow Sea by frontal events are presented and illustrate the complex nature of outflow. Biomass burning from SE Asia is transported in the warm conveyor belt at altitudes above ∼2 km and at latitudes below 30N. Outflow of pollution emitted along the east coast of China in the postfrontal regions is typically confined to the lower ∼2 km and results in high concentrations with plume-like features in the Yellow Sea. During these situations the model underpredicts CO and black carbon (among other species). An analysis of ozone production in this region is also presented. In and around the highly industrialized regions of East Asia, where fossil fuel usage dominates, ozone is NMHC-limited. South of ∼30-35N, ozone production is NOx-limited, reflecting the high NMHC/NOx ratios due to the large contributions to the emissions from biomass burning, biogenics sources, and biofuel usage in central China and SE Asia.

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