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    Rights statement: Copyright 1997 by the American Geophysical Union

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Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers

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Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers. / Jacob, DJ; Prather, MJ; Rasch, PJ et al.
In: Journal of Geophysical Research: Atmospheres, Vol. 102, No. D5, 20.03.1997, p. 5953-5970.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Jacob, DJ, Prather, MJ, Rasch, PJ, Shia, RL, Balkanski, YJ, Beagley, NV, Bergmann, DJ, Blackshear, WT, Brown, M, Chiba, M, Chipperfield, MP, deGrandpre, J, Dignon, JE, Feichter, J, Genthon, C, Grose, WL, Kasibhatla, PS, Kohler, J, Kritz, MA, Law, K, Penner, JE, Ramonet, M, Reeves, CE, Rotman, DA, Stockwell, DZ, VanVelthoven, PFJ, Verver, G, Wild, O, Yang, H & Zimmermann, P 1997, 'Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers', Journal of Geophysical Research: Atmospheres, vol. 102, no. D5, pp. 5953-5970. https://doi.org/10.1029/96JD02955

APA

Jacob, DJ., Prather, MJ., Rasch, PJ., Shia, RL., Balkanski, YJ., Beagley, N. V., Bergmann, DJ., Blackshear, WT., Brown, M., Chiba, M., Chipperfield, MP., deGrandpre, J., Dignon, JE., Feichter, J., Genthon, C., Grose, WL., Kasibhatla, PS., Kohler, J., Kritz, MA., ... Zimmermann, P. (1997). Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers. Journal of Geophysical Research: Atmospheres, 102(D5), 5953-5970. https://doi.org/10.1029/96JD02955

Vancouver

Jacob DJ, Prather MJ, Rasch PJ, Shia RL, Balkanski YJ, Beagley NV et al. Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers. Journal of Geophysical Research: Atmospheres. 1997 Mar 20;102(D5):5953-5970. doi: 10.1029/96JD02955

Author

Jacob, DJ ; Prather, MJ ; Rasch, PJ et al. / Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers. In: Journal of Geophysical Research: Atmospheres. 1997 ; Vol. 102, No. D5. pp. 5953-5970.

Bibtex

@article{e7eddadcc7b54b0088637aff60f984cd,
title = "Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers",
abstract = "Simulations of Rn-222 and other short-lived tracers are used to evaluate and intercompare the representations of convective and synoptic processes in 20 global atmospheric transport models. Results show that most established three-dimensional models simulate vertical mixing in the troposphere to within the constraints offered by the observed mean Rn-222 concentrations and that subgrid parameterization of convection is essential for this purpose. However, none of the models captures the observed variability of Rn-222 concentrations in the upper troposphere, and none reproduces the high Rn-222 concentrations measured at 200 hPa over Hawaii. The established three-dimensional models reproduce the frequency and magnitude of high- Rn-222 episodes observed at Crozet Island in the Indian Ocean, demonstrating that they can resolve the synoptic-scale transport of continental plumes with no significant numerical diffusion. Large differences between models are found in the rates of meridional transport in the upper troposphere (interhemispheric exchange, exchange between tropics and high latitudes). The four two-dimensional models which participated in the intercomparison tend to underestimate the rate of vertical transport from the lower to the upper troposphere but show concentrations of Rn-222 in the lower troposphere that are comparable to the zonal mean values in the three-dimensional models.",
keywords = "ZONALLY AVERAGED CIRCULATION, SEASONAL-VARIATION, NONGEOSTROPHIC THEORY, GENERAL-CIRCULATION MODEL, TROPOSPHERIC OZONE, 3-DIMENSIONAL SIMULATION, ODD NITROGEN, TWO-DIMENSIONAL MODEL, CLIMATE MODEL, MIDDLE ATMOSPHERE",
author = "DJ Jacob and MJ Prather and PJ Rasch and RL Shia and YJ Balkanski and Beagley, {[No Value]} and DJ Bergmann and WT Blackshear and M Brown and M Chiba and MP Chipperfield and J deGrandpre and JE Dignon and J Feichter and C Genthon and WL Grose and PS Kasibhatla and J. Kohler and MA Kritz and K Law and JE Penner and M Ramonet and CE Reeves and DA Rotman and DZ Stockwell and PFJ VanVelthoven and G Verver and O Wild and H Yang and P Zimmermann",
note = "Copyright 1997 by the American Geophysical Union",
year = "1997",
month = mar,
day = "20",
doi = "10.1029/96JD02955",
language = "English",
volume = "102",
pages = "5953--5970",
journal = "Journal of Geophysical Research: Atmospheres",
issn = "0747-7309",
publisher = "Wiley-Blackwell Publishing Ltd",
number = "D5",

}

RIS

TY - JOUR

T1 - Evaluation and intercomparison of global atmospheric transport models using Rn-222 and other short-lived tracers

AU - Jacob, DJ

AU - Prather, MJ

AU - Rasch, PJ

AU - Shia, RL

AU - Balkanski, YJ

AU - Beagley, [No Value]

AU - Bergmann, DJ

AU - Blackshear, WT

AU - Brown, M

AU - Chiba, M

AU - Chipperfield, MP

AU - deGrandpre, J

AU - Dignon, JE

AU - Feichter, J

AU - Genthon, C

AU - Grose, WL

AU - Kasibhatla, PS

AU - Kohler, J.

AU - Kritz, MA

AU - Law, K

AU - Penner, JE

AU - Ramonet, M

AU - Reeves, CE

AU - Rotman, DA

AU - Stockwell, DZ

AU - VanVelthoven, PFJ

AU - Verver, G

AU - Wild, O

AU - Yang, H

AU - Zimmermann, P

N1 - Copyright 1997 by the American Geophysical Union

PY - 1997/3/20

Y1 - 1997/3/20

N2 - Simulations of Rn-222 and other short-lived tracers are used to evaluate and intercompare the representations of convective and synoptic processes in 20 global atmospheric transport models. Results show that most established three-dimensional models simulate vertical mixing in the troposphere to within the constraints offered by the observed mean Rn-222 concentrations and that subgrid parameterization of convection is essential for this purpose. However, none of the models captures the observed variability of Rn-222 concentrations in the upper troposphere, and none reproduces the high Rn-222 concentrations measured at 200 hPa over Hawaii. The established three-dimensional models reproduce the frequency and magnitude of high- Rn-222 episodes observed at Crozet Island in the Indian Ocean, demonstrating that they can resolve the synoptic-scale transport of continental plumes with no significant numerical diffusion. Large differences between models are found in the rates of meridional transport in the upper troposphere (interhemispheric exchange, exchange between tropics and high latitudes). The four two-dimensional models which participated in the intercomparison tend to underestimate the rate of vertical transport from the lower to the upper troposphere but show concentrations of Rn-222 in the lower troposphere that are comparable to the zonal mean values in the three-dimensional models.

AB - Simulations of Rn-222 and other short-lived tracers are used to evaluate and intercompare the representations of convective and synoptic processes in 20 global atmospheric transport models. Results show that most established three-dimensional models simulate vertical mixing in the troposphere to within the constraints offered by the observed mean Rn-222 concentrations and that subgrid parameterization of convection is essential for this purpose. However, none of the models captures the observed variability of Rn-222 concentrations in the upper troposphere, and none reproduces the high Rn-222 concentrations measured at 200 hPa over Hawaii. The established three-dimensional models reproduce the frequency and magnitude of high- Rn-222 episodes observed at Crozet Island in the Indian Ocean, demonstrating that they can resolve the synoptic-scale transport of continental plumes with no significant numerical diffusion. Large differences between models are found in the rates of meridional transport in the upper troposphere (interhemispheric exchange, exchange between tropics and high latitudes). The four two-dimensional models which participated in the intercomparison tend to underestimate the rate of vertical transport from the lower to the upper troposphere but show concentrations of Rn-222 in the lower troposphere that are comparable to the zonal mean values in the three-dimensional models.

KW - ZONALLY AVERAGED CIRCULATION

KW - SEASONAL-VARIATION

KW - NONGEOSTROPHIC THEORY

KW - GENERAL-CIRCULATION MODEL

KW - TROPOSPHERIC OZONE

KW - 3-DIMENSIONAL SIMULATION

KW - ODD NITROGEN

KW - TWO-DIMENSIONAL MODEL

KW - CLIMATE MODEL

KW - MIDDLE ATMOSPHERE

U2 - 10.1029/96JD02955

DO - 10.1029/96JD02955

M3 - Journal article

VL - 102

SP - 5953

EP - 5970

JO - Journal of Geophysical Research: Atmospheres

JF - Journal of Geophysical Research: Atmospheres

SN - 0747-7309

IS - D5

ER -