Center for Environmental Science
A Cooperative Center operated by The University of Chicago
and Argonne National Laboratory

V. R. Kotamarthi

Argonne National Laboratory
Environmental Research Division  Bldg. 203
9700 S. Cass Avenue
Argonne, Illinois, 60439

(630) 252-7164
FAX:  (630) 252-5498
E-mail: vrkotamarthi@anl.gov

EDUCATION

  • University of Iowa, Iowa City
    Ph.D., Chemical Engineering 1991

  • Indian Institute of Science, India
    M.E., Chemical Engineering, 1986

  • Osmania University, India
    B.S., Chemical Engineering, 1984

PROFESSIONAL EXPERIENCE

  • Apr. 2000-Present: Meteorologist, Environmental Research Division, Argonne National Laboratory
  • Oct. 1998-Apr. 2000: Meteorologist, Environmental Research, Argonne National Laboratory; and Visiting Research Fellow at the Department of Atmospheric Sciences, University of Illinois, Urbana-Champaign
  • Nov. 1996-Oct. 1998: Special Term Appointee, Environmental Research Division, Argonne National Laboratory; and Visiting Research Fellow at the Department of Atmospheric Sciences, University of Illinois, Urbana-Champaign
  • Feb. 1991–Nov. 1996: Staff Scientist at Atmospheric and Environmental Research, Inc., Cambridge, MA.
  • Feb. 1991- Aug. 1994: Senior Research Associate, Atmospheric and Environmental Research, Inc., Cambridge, MA

MEMBERSHIP IN PROFESSIONAL SOCIETIES

  • American Geophysical Union

SELECTED PROFESSIONAL ACTIVITIES

1994            Participant in the WMO and IPCC box chemistry model intercomparison

1994            Participant in the WMO intercomparison of global scale CTMs

1996            On-site modeling support for the PEM-TROPICS mission conducted by NASA under the GTE program.

  • Science team member PEM-TROPICS B conducted by NASA

1999             Conducted a workshop on atmospheric chemistry modeling at the GCIP training sessions held at UC, Davis and organized by the DOE.

  • Science team member PEM-TROPICS
  • Science team member PEM-TROPICS

 

HONORS AND AWARDS

  • Selected as one of the ACCESS 1(Atmospheric Chemistry Colloquium for Emerging Senior Scientists) participants, MIT, Cambridge, June, 1991.
  • University Grants Commission Fellowship, India, 1984–1986.
  • National Merit Scholarship, India, 1978–1984.

 PUBLICATIONS

  • Kotamarthi, V.R. and G.R.Carmichael, The Long Range Transport of Pollutants in the Pacific Rim Region, Atmos. Environ., 24A:1521–1534, 1990.

  • Datta, R. and V.R. Kotamarthi, Electrokinetic Dispersion in Capillary Electrophoresis, AIChE Journal, 36: 916–926,1990.

  • Kotamarthi, V.R., Y. Sunwoo, G.R. Carmichael, H. Ueda and H. Kurita, Long Range Transport of Trace Gases and Aerosols in the Northeast Pacific Rim, In Air Pollution and its Application VIII, edited by H. van Dop and D. G. Steyn, Plenum Press, New York, 1991.

  • Sunwoo, Y., V.R. Kotamarthi and G.R. Carmichael, The Regional Distribution of Tropospheric Ozone in East Asia from Satellite-Based Measurements, J. Atmos. Chem., 14: 285–295,1992.

  • Sunwoo, Y., V.R. Kotamarthi and G.R. Carmichael, Characteristics of Tropospheric Ozone Production and Transport in East Asia, In Air Pollution and its Application IX, edited by H. van Dop and G. Kallos, Plenum Press, New York, 1992.

  • Shia, R.L., M. K. W. Ko, M. Zou and V.R. Kotamarthi, Cross-Tropopause Transport of Excess 14C in a Two-Dimensional Model, J. Geophys. Res., 98:18,599–18,606,1993.

  • Kotamarthi, V.R. and G.R. Carmichael, A Modeling Study of the Long Range Transport of Kosa using Particle Trajectory Methods, Tellus, 45B:426–441,1993.

  • Yang Zhang, Young Sunwoo, V.R. Kotamarthi and G.R. Carmichael, Photochemical Oxidant Processes in the Presence of Dust: An Evaluation of the Impact of Dust on Ozone, Nitrate and Free Radical Formation, J. Appl. Meteor., 33:33,813–824,1994.

  • Kotamarthi, V.R., M.K.W. Ko, D.K. Weisenstein, J.M. Rodriguez and N.D. Sze, The Effect of Lightning on the Concentration of Odd Nitrogen Species in the Lower Stratosphere: An Update, J. Geophys. Res., 99:8167–8173,1994.

  • Olson J., M. Prather et al., Results from the Intergovernmental panel on Climatic Change Photochemical Model Intercomparison (PhotoComp), J. Geophys. Res., 102:5979–5991,1997.

  • Kotamarthi, V.R., J.M. Rodriguez, N.D. Sze, Y. Kondo, R. Pueschel, G. Ferry, S. Sandholm, G. Gregory, D. Davis and S. Liu. Evidence of Heterogeneous Chemistry on Sulfate Aerosols in Stratospheric Air Masses Measured in PEM-West B, J. Geophys. Res., 102:28,425–28,436, 1997.

  • Kotamarthi, V.R., J.M. Rodriguez, M.K.W. Ko, T. K. Tromp, N. D. Sze and M. J. Prather, Triflouoroacetic Acid from the Degradation of HCFC and HFCs: A Three-Dimensional Modeling Study, J. Geophys. Res., 103, 5747–5758,1998.

  • Wuebbles, D.J., A. Jain, R. Kotamarthi, V. Naik, and K.O. Patten, Replacements for CFCs and Halons and Their Effects on Stratospheric Ozone, In Recent Advances in Stratospheric Processes, T. R. Nathan and E. Cordero, editors, 1998.

  • Wuebbles, D.J., R. Kotamarthi, K.O. Patten: Updated Evaluation of Ozone Depletion Potentials for Chlorobromomethane (CH2ClBr) and 1-Bromo-Propane (CH2BrCH2CH3), Atmospheric Environment, 33:1641-1643,1999.

  • Kotamarthi, V. R., D. J. Wuebbles, and R.A. Reck, Effects of Non-methane Hydrocarbons on Lower Stratospheric and Upper Tropospheric 2-D Zonal Average Model Climatology, J. Geophys. Res., 1999, 104: 21,537-21,547,1999.

  • Kheshgi, H.S., A.K. Jain, V.R. Kotamarthi and D.J. Wuebbles, Future Atmospheric Methane Concentrations in the Context of the Stabilization of Greenhouse Gas Concentrations, J. Geophys. Res., 104,191,183-19,190, 1999.

  • Doskey, P. V., J. Rudolph and V. R. Kotamarthi. Measurements of nonmnethane hydrocarbons in Phoenix, Arizona, Preprints, Symposium on Atmospheric Chemistry, Issues in the 21st Century, Long Beach, CA, AMS, 30-32, 9-14 January, 2000.

  • Wuebbles, D. J., A.S. Hayhoe, and V.R. Kotamarthi, Methane in the Global Environment, 304-341 in Atmospheric Methane, M.A.K. Khalil, editor, Springer-Verlag, New York, 2000.

  • Wuebbles, D. J., K. O. Patten, M. T. Johnson, and R. Kotamarthi, New method for Ozone Depletion Potentials of short-lived compounds:  n-Propyl bromide as an example, J. Geophys. Res., 106, 14551-14571, 2001.

  • Kotamarthi, V. R., J. S. Gaffney, N. A. Marley, and P. V. Doskey, Heterogeneous NOx chemistry in the polluted PBL Atmospheric Environment, 35, 4489-4498, 2001.

  • Gaffney, J. S., N. A. Marley, P. J. Drayton, P. V. Doskey, V. R. Kotamarthi, M. M. Cunningham, J. C. Baird, J. Dintaman, and H. L. Hart, Field observations of regional and urban impacts of NO2, ozone, UV-B and Nitrate Radical production rates in the Phoenix air basin. Atmospheric Environment, 36, 825-833, 2002.

  • Wei, C. F., V. R. Kotamarthi, O. J. Ogunsola, D. J. Wuebbles, M. A. Avery, D. R. Blake, E. V. Browell, G. W. Sachse, and S. T. Sandholm, Seasonal variability of ozone mixing ratios and budgets in the tropical southern Pacific:  A GCTM perspective. In press J. Geophys. Res., PEM-TB special issue, 2002.

PRESENTATIONS AND ABSTRACTS

  • Carmichael, G. R., V. R. Kotamarthi, Y. Sunwoo, Long range transport of radiatively biologically, and photochemically important trace species in the Pacific Rim region. American Institute of Chemical Engineers 1990 Summer National Meeting, San Diego, CA, 19-22, August 1990.

  • Carmichael, G, R,, Y. Sunwoo, V. R. Kotamarthi, H. Kurita, H. Ueda, Regional distribution of radiatively, biologically and photochemically important trace species in the Pacific Rim region. 7th International Symposium of the Commission on Atmospheric Chemistry and Global Pollution, Chamrousse (France), 5-11 Sep 1990.

  • Kotamarthi, V. R. and G. R. Carmichael. The long range transport and chemistry of trace gases and aerosols in the western Pacific Rim. ACCESS I, MIT, Cambridge, MA, 13–15, June 1991.

  • Kotamarthi, V. R., G. R. Carmichael and J. M. Rodriguez. Transport and chemistry of trace gases and aerosols in the western Pacific rim. Summer National Meeting of the American Institute of Chemical Engineers, Pittsburgh, PA, 18–21, August 1991.

  • Rodriguez, J. M., V. R. Kotamarthi, M. K. W. Ko, and J. T. Merrill. Photochemistry along air –parcel trajectories: Implications for PEM-West measurements. Paper No. A41A-1, AGU Western Pacific Geophysics Meeting, Hong Kong, 1992.

  • Kotamarthi, V. R., J. M. Rodriguez, M. K. W. Ko, C. W. Heisey, T. Tromp, N. D. Sze and M. J. Prather. A coarse grid global scale 3-D simulation of trifluoro acetic acid (TFA) formation and deposition. Paper No. A41E-13, AGU Fall Meeting, 5–9 December, San Francisco, CA, 1994.

  • Kotamarthi, V. R., J. M. Rodriguez and M. K. W. Ko. Upper tropospheric NOx and ozone budgets: Results from the AER-2-D model. PEM WEST-B Workshop, Hampton, VA, 14–17, November 1994.

  • Kotamarthi, V. R., J. M. Rodriguez, M. K. W. Ko and N. D. Sze. The role of atmospheric processes in the global distribution of some persistent organochlorines. The 5th International Atmospheric sciences and Applications to Air Quality Conference, Seattle, WA, 18–20, June, 1996.

  • Kotamarthi, V. R., N. D. Sze, M. K. W. Ko and J. M. Rodriguez, Global and hemispheric distributions of some persistent organochlorines: Comparison of model results and observations. Third Conference on Atmospheric Chemistry, American Meteorological Society, Long Beach, CA, February 2–7, 1997.

  • Kotamarthi, V. R., J. S. Gaffney, N. A. Marley, and P.V. Doskey, Heterogeneous NOx Chemistry in the Polluted PBL, Atmospheric Chemistry Program Annual Science Meeting, February 23-25, 1999, Vienna, VA.

  • Kotamarthi, V. R., O. J. Ogunsola and D. J. Wuebbles. A systematic approach for quantifying the uncertainties in photochemical air-parcel trajectory calculations. Poster presented at the PEM-TROPICS B first data workshop, October 18-21, Hampton, Va, 1999.

  • Kotamarthi, V.R., Wei, Chu-Feng, Ogunsola, O. J., and Wuebbles, D. J. Examination of the tropical Southern-Pacific ozone mixing ratios and budgets in the MOZART2. 3-D CTM. Paper submitted for the proceedings of the Quadrennial Ozone Symposium, Sapporo, Japan, July 3 -July 8, 2000.

  • Wuebbles, D. J., K. O. Patten, M. T. Johnson, and R. Kotamarthi. Effects of short-lived chemicals on stratospheric ozone. Proceedings of the Quadrennial Ozone Symposium, Sopporo, Japan, July 3-8, 2000.

  • Wei, C-F, V. R. Kotamarthi, O.J. Ogunsola, D. J. Wuebbles, G. Brassuer, D. Blake, W. Brune, E. Browell, M. Owens, G. Sachse and S. Sandholm. Seasonal variability in the tropical Southern-Pacific ozone mixing ratios and budgets: Presentation at the PEM-TROPICS B first data workshop, May 15-17, Hampton, Va, 2000.

  • Wei, C-F, V. R. Kotamarthi, O.J. Ogunsola, D. J. Wuebbles, G. Brassuer, D. Blake, W. Brune, E. Browell, M. Owens, G. Sachse and S. Sandholm. Seasonal variability in the tropical Southern-Pacific ozone mixing ratios and budgets: A GCTM perspective, Paper No. A41B-13, AGU Spring National Meeting, Baltimore, MD, 2000.

  • Wuebbles, D. J., V.R. Kotamarthi, and C. F. Wei. Significance of long-range transport from continental locations in determining oxidant mixing ratios and budgets over the tropical Pacific Ocean, Paper presented at the International Symposium on Measurement of Toxics and Related Air pollutants, Air and Waste Management Association and U.S. Environmental Protection Agency, Research Triangle Park, North Carolina,, Sept. 13, 2000.

  • Guttikonda, S., S. Y. Cho, V. R. Kotamarthi, G. Calori and G. R. Carmichael. Regional scale modeling of aerosols and trace gases in the southwest during the DOE:/Phoenix field study period.  Presented at the NARSTO 2000 Symposium on Aerosol Science, Tropospheric Aerosols: Science and Decisions in an International Community, Queretaro, Mexico, 25 October, 2000.

  • Doskey, P. V., V. R. Kotamarthi and W. Lonnemann. NMOC measurements in Downtown Nashville, EOS Trans., AGU 81(48), Fall Meet. Suppl., Abstract A11B-31, 2000.

  • Wei, C. F., V. R. Kotamarthi, O. J. Ogunsola and D. J. Wuebbles. Analysis of Ozone and its Precursors in Atmospheric Long-Range Transport to the Eastern Pacific. Presented at the 8th Scientific Assembly of International Association of Meteorology and Atmospheric Sciences, Innsbruck, Austria, 11 July, 2001.

  • Hayhoe, K., A. Jain, and V. R. Kotamarthi. An analysis of key feedbacks between the chemistry of the atmospheric methane and future climate change. Paper No. GC22B-10, AGU Fall Meeting, San Francisco, CA, 2001.

  • Kotamarthi, V. R., P. V. Doskey, Y. Xu, M. L. Wesely, W. Lonneman, and K. Olsyzna. Diurnal variation of NMHCs at a downtown site in Nashville: Model and Measurements. Preprints, Fourth Conference on Atmospheric Chemistry, Orlando, FL, AMS, pp 94-96, January, 2002.

  • Kotamarthi, V. R. and M. L. Wesely. Effects of fast chemical reactions on estimated emission fluxes of NOx from soil. Preprints, Fourth Conference on Atmospheric Chemistry, Orlando, FL, AMS, pp 103-106, January, 2002.

  • Wesely, M. L. and V. R. Kotamarthi. Vertical mass flux variation associated with rapid chemical reactions above vegetation. Paper No. A51E-07, AGU Spring National Meeting, Washington, D.C., 2002.