James Podolske

Affiliation: Staff, NASA Ames Research Center (ARC)

Branch: Atmospheric Science Branch (SGG)

Email: james.r.podolske@nasa.gov

Phone: (650) 604-4853

Education

Ph.D., Physical Chemistry, 1981 
University of California, Berkeley

A.B., Chemistry, 1974 
Cornell University, Ithaca, NY

Professional Experience

1985-Present: NASA-Ames Research Center, Moffett Field, CA
Atmospheric Scientist, Earth Science and Space Science Divisions
1983-1985: Visiting Scientist, Universities Space Research Association
1981-1983: Postdoctoral Research Associate, National Research Council

University of California, Berkeley, CA 
1974-1981-Research and Teaching Assistant, Dept. of Chemistry 

Awards & Others

2005 ·  NASA Group Achievement Award, SOLVE-II DC-8 Science Team
2005 ·  NASA Group Achievement Award, INTEX-NA Science Team
2004 ·  NASA Group Achievement Award, SOLVE-II Science Team
2003 ·  NASA Group Achievement Award, CRYSTAL-FACE Science Team
2001 ·  NASA Group Achievement Award, SOLVE Science Team
1998 ·  NASA Group Achievement POLARIS Project Team
1998 ·  NASA Group Achievement Award, DC-8 Aircraft SONEX Team
1995 ·  NASA Group Achievement Award, Airborne Southern Hemispheric Ozone Experiment/Measurements for Assessing the Effects of Stratospheric Aircraft Team
1994 ·  NASA Group Achievement Award, Stratospheric Photochemistry, Aerosols and Dynamics Expedition Team
1989 ·  NASA Group Achievement Award- Airborne Antarctic Ozone Experiment Team
1987 ·  NASA Sustained Superior Performance Award

Selected Publications

• Provencal, R., M. Gupta, T. G. Owano,  D. S. Baer, K. N. Ricci, A. O’Keefe, and J. R. Podolske.  2005.  Cavity-enhanced quantum-cascade laser-based instrument for carbon monoxide measurements. Appl. Opt. 44: 6712-6717.-
• Pfister, L., H. B. Selkirk, E. J. Jensen, J. Podolske, G. Sachse, M. Avery, M. R. Schoeberl, M. J. Mahoney, and E. Richard.  2003.  Processes controlling water vapor in the winter Arctic tropopause region.  J. Geophys. Res., 108(D5): 8314, doi:10.1029/2001JD001067. –
• Podolske, J. R., G. W. Sachse, and G. S. Diskin.  2003.  Calibration and data retrieval algorithms for the NASA Langley/Ames Diode Laser Hygrometer for the NASA Transport and Chemical Evolution Over the Pacific (TRACE-P) mission.  J. Geophys. Res., 108(D20): 8792, doi:10.1029/2002JD003156. –
• Jost, H. J., M. Loewenstein, J. B. Greenblatt, J. R. Podolske, T. P. Bui, D. F. Hurst, J. W. Elkins, R. L. Herman, C. R. Webster, S. M. Schauffler, E. L. Atlas, P. A. Newman, L. R. Lait, and S. C. Wofsy. 2002. Mixing events revealed by anomalous tracer relationships in the Arctic vortex during winter 1999/2000. J. Geophys. Res., 107(D20): 4795, doi:10.1029/2002JD002380. –
• Andrews, A. E., K. A. Boering, B. C. Daube, S. C. Wofsy, M. Loewenstein, H. Jost, J. R. Podolske, C. R. Webster, R. L. Herman, D. C. Scott, G. J. Flesch, E. J. Moyers, J. W. Elkins, G. S. Dutton, D. F. Hurst, F .L. Moore, E. A. Ray, P. A. Romashkin, and S. E. Strahan. 2001. Mean ages of stratospheric air derived from in situ observations of CO2, CH4, and N2O. J. Geophys. Res. 106(D23): 32295-32314. –
• Faloona, I., J. B. Simpas, W. Brune, J. Olson, J. Crawford, M. Avery, G. Sachse, S. Vay, S. Sandholm, H.-W. Guan, T. Vaughn, J. Mastromarino, B. Heikes, J. Snow, J. Podolske, and H. Singh. 2001. OH and HO2 in the tropical Pacific: Results form PEM-Tropics B. J. Geophys. Res. 106(D23): 32667-32681. –
• Ferrare, R. A., S. Ismail, E. V. Browell, J. D. Barrick, G. W. Sachse, S. A. Kooi, L. A. Heilman, M. B. Clayton, V. Brackett, M. J. Mahoney, R. Herman, R. M. Bevilacqua, and J. Podolske. 2001. LASE measurements of water vapor, aerosols, and clouds during SOLVE. Optical Remote Sensing of the Atmosphere, Trends Opt. Photonics, 52: 23-25. –
• Weinstock, E. M., E. J. Hinstsa, D. B. Kirk-Davidoff, J. G. Anderson, A. E. Andrews, R. L. Herman, C. R. Webster, M. Loewenstein, J. R. Podolske, and T. P. Bui. 2001. Constraints on the seasonal cycle of stratospheric water vapor using in situ measurements from the ER-2 and a CO photochemical clock. 2001. J. Geophys. Res., 106(D19): 22707-22724. –
• Strahan, S. E., M. Loewenstein, and J. R. Podolske. 1999. Climatology and small scale structure of lower stratospheric N2O based on in situ observations. J. Geophys. Res., 104: 2195-2208. 

First Author Publications

• Podolske, J., and M. Loewenstein (1993), Airborne tunable diode laser spectrometer for trace-gas measurement in the lower stratosphere, Appl. Opt., 32, 5324-5333.
• Podolske, J., et al. (1993), Northern Hemisphere Nitrous Oxide Morphology During the 1989 AASE and the 1991-1992 AASE II Campaigns, Geophys. Res. Lett., 20, 2535-2538.
• Podolske, J., et al. (1989), Stratospheric Nitrous Oxide Distribution in the Southern Hemisphere, J. Geophys. Res., 94, 16,767-16.
• Podolske, J. (1989), A Chemical Definition of the Boundary of the Antarctic Ozone Hole, J. Geophys. Res., 94, 11,347-11.

Co-Authored Publications

• Dupuy, E., et al. (2016), Comparison of XH2O Retrieved from GOSAT Short-Wavelength Infrared Spectra with Observations from the TCCON Network, Remote Sens., 8, 414, doi:10.3390/rs8050414.
• Kawakami, S., et al. (2015), A Compact Automated FTS at the Desert Playa for Satellite Validation of the Total Column CO2 and CH4, OSA Fourier Transform Spectroscopy 2015 Proceedings, doi:10.1364/FTS.2015.FW3A.2.
• Loewenstein, M., et al. (2015), New Observations of the NOy/N2O Correlation in the Lower Stratosphere, Geophys. Res. Lett., 1993, 2531-2534 (manuscript in preparation).
• Rollins, A., et al. (2014), Evaluation of UT/LS hygrometer accuracy by intercomparison during the NASA MACPEX mission, J. Geophys. Res., 119, doi:10.1002/2013JD020817.
• Klonecki, A., et al. (2012), Assimilation of IASI satellite CO fields into a global chemistry transport model for validation against aircraft measurements, Atmos. Chem. Phys., 12, 4493-4512, doi:10.5194/acp-12-4493-2012.
• McHaughton, C. S., et al. (2011), Absorbing aerosols in the troposphere of the Western Arctic during the 2008 ACTAS/ARCPAC airborne field campaigns, Atmos. Chem. Phys., 11, 7561-7582, doi:10.5194/acp-11-7515-2011.
• McNaughton, C. S., et al. (2011), Absorbing aerosol in the troposphere of the Western Arctic during the 2008 ARCTAS/ARCPAC airborne field campaigns, Atmos. Chem. Phys., 11, 7561-7582, doi:10.5194/acp-11-7561-2011.
• Pfister, G., et al. (2011), CO source contribution analysis for California during ARCTAS-CARB., Atmos. Chem. Phys., 11, 7515-7532, doi:10.5194/acp-11-7515-2011.
• Pommier, M. K., et al. (2010), IASI carbon monoxide validation over Arctic during POLARCAT spring and summer campaigns, Atmos. Chem. Phys. Discuss., 10, 14445-14494.
• Tilmes, S., et al. (2010), An aircraft-based upper troposphere lower stratosphere O3, CO and H2O climatology for the Northern Hemisphere, J. Geophys. Res. (submitted).
• Fried, A., et al. (2008), Role of convection in redistributing formaldehyde to the upper troposphere over North America and the North Atlantic during the summer 2004 INTEX campaign, J. Geophys. Res., 113, D17306, doi:10.1029/2007JD009760.
• Livingston, J. M., et al. (2008), Comparison of Water Vapor Measurements by Airborne Sun Photometer and Diode Laser Hygrometer on the NASA DC-8, J. Atmos. Oceanic Technol., 25, 1733-1743, doi:10.1175/2008JTECHA1047.1.
• Gamblin, B., et al. (2006), Nitric acid condensation on ice: 1. Non-HNO3 constituent of NOY condensing cirrus particles on upper tropospheric, J. Geophys. Res., 111, D21203, doi:10.1029/2005JD006048.
• Eisele, F., et al. (2003), Summary of measurement intercomparisons during TRACE-P, J. Geophys. Res., 108, 8791, doi:10.1029/2002JD003167.
• Pfister, L., et al. (2003), Processes controlling water vapor in the winter Arctic tropopause region, J. Geophys. Res., 108, 8314, doi:10.1029/2001JD001067.
• Greenblatt, J. B., et al. (2002), Defining the polar vortex edge from an N2O potential temperature correlation, J. Geophys. Res., 107, 8268, doi:10.1029/2001JD000575.
• Greenblatt, J. B., et al. (2002), Tracer-based determination of vortex descent in the 1999-2000 Arctic winter, J. Geophys. Res., 107, 8279, doi:10.1029/2001JD000937.
• Hurst, D., et al. (2002), The construction of a unified, high-resolution nitrous oxide data set for ER-2 flights during SOLVE, J. Geophys. Res., 107, 8271, doi:10.1029/2001JD000417.
• Jost, H., et al. (2002), Mixing events revealed by anomalous tracer relationships in the Arctic vortex during winter 1999/2000, J. Geophys, Res., 107, 4795, doi:10.1029/2002JD002380.
• Andrews, A. E., et al. (2001), Mean ages of stratospheric air derived from in situ observations of CO2, CH4, and N2O, J. Geophys. Res., 106, 32.
• Andrews, A. E., et al. (2001), Empirical age spectra for the midlatitude lower stratosphere from in situ observations of CO2: quantitative evidence for a subtropical “barrier” to horizontal transport, J. Geophys. Res., 106, 10257-10274.
• Ferrare, R., et al. (2001), LASE measurements of water vapor, aerosols, and clouds during SOLVE, Trends Opt. Photonics, 52, 23-25.
• Newman, P., et al. (2001), Chance encounter with a stratospheric kerosene rocket plume from Russia over California, Geophys. Res. Lett., 28, 959-962.
• Weinstock, E., et al. (2001), Constraints on the seasonal cycle of stratospheric water vapor using in situ measurements from the ER-2 and a CO photochemical clock, J. Geophys. Res., 106, 22707-22734, doi:2000JD000047.
• Hurst, D., et al. (2000), Comparison of in situ N2O and CH4 measurements in the upper troposphere and lower stratosphere during STRAT and POLARIS, J. Geophys. Res., 105, 19811-19822.
• Vay, S. A., et al. (2000), Tropospheric water vapor measurements over the North Atlantic during the Subsonic Assessment Ozone and Nitrogen Oxide Experiment (SONEX), J. Geophys. Res., 105, 3745-3755.
• Strahan, S., M. Loewenstein, and J. Podolske (1999), Climatologyand small-scalestructureof lower stratosphericNzO based on in situ observations, J. Geophys. Res., 104, 2195-2208.
• Blake, T. A., C. Chackerian, and J. Podolske (1996), Prognosis for a mid-infrared magnetic rotation spectrometer for the in situ detection of atmospheric free-radicals, Appl. Opt., 35, 973-985.
• Boering, K. A., et al. (1996), Stratospheric mean ages and transport rates from observations of carbon-dioxide and nitrous-oxide, Science, 274, 1340-1343.
• Chang, A. Y., et al. (1996), A comparison of measurements from ATMOS and instruments aboard the ER-2 aircraft: Halogenated gases, Geophys. Res. Lett., 23, 2393-2396.
• Chang, A. Y., et al. (1996), A comparison of measurements from ATMOS and instruments aboard the ER-2 aircraft: Tracers of atmospheric transport, Geophys. Res. Lett., 23, 2389-2392.
• Dye, J. E., et al. (1996), In-situ observations of an Antarctic polar stratospheric cloud: Similarities with Arctic observations, Geophys. Res. Lett., 23, 1913-1916.
• Keim, E. R., et al. (1996), Observations of large reductions in the NO/NOy ratio near the mid-latitude tropopause and the role of heterogeneous chemistry, Geophys. Res. Lett., 23, 3223-3226.
• Minschwaner, K., et al. (1996), Bulk properties of isentropic mixing into the tropics in the lower stratosphere, J. Geophys. Res., 101, 9433-9439.
• Newchurch, M., et al. (1996), Stratospheric NO and NO2 abundances from atmos solar-occultation measurements, Geophys. Res. Lett., 23, 2373-2376.
• Newman, P., et al. (1996), Measurements of polar vortex air in the midlatitudes, J. Geophys. Res., 101, 12,879-12.
• Volk, C. M., et al. (1996), Quantifying transport between the tropical and mid-latitude lower stratosphere, Science, 272, 1763-1768.
• Woodbridge, E. L., et al. (1995), Estimates of total organic and inorganic chlorine in the lower stratosphere from in situ and flask measurements during AASE II, J. Geophys. Res., 100.D2, 3057-3064.
• Boering, K. A., et al. (1994), Tracer-tracer Relationships and Lower Stratosphere Dynamics: CO2 and N2O Correlations During SPADE, Geophys. Res. Lett., 21, 2567-2570.
• Hintsa, E., et al. (1994), SPADE H2O Measurements and the Seasonal Cycle of Stratospheric Water Vapor, Geophys. Res. Lett., 21, 2559-2562.
• Salawitch, R., et al. (1994), The Diurnal Variation of Hydrogen, Nitrogen, and Chlorine Radicals: Implications for the Heterogeneous Production of HNO2, Geophys. Res. Lett., 21, 2551-2554.
• Salawitch, R., et al. (1994), The Distribution of Hydrogen, Nitrogen, and Chlorine Radicals in the Lower Stratosphere: Implications for Changes in O3 Due to Emission of NOy from Supersonic Aircraft, Geophys. Res. Lett., 21, 2547-2550.
• Stimpfle, R., et al. (1994), The Response of ClO Radical Concentrations to Variations in NO2 Radical Concentrations in the Lower Stratosphere, Geophys. Res. Lett., 21, 2543-2546.
• Strahan, S., et al. (1994), Evolution of the 1991-1992 Arctic Vortex and Comparison with the Geophysical Fluid-Dynamics Laboratory Skyhi General-Circulation Model, J. Geophys. Res., 99, 20,713-20.
• Tuck, A. F., et al. (1994), Spread of Denitrification From 1987 Antarctic and 1988-1989 Arctic Stratospheric Vortices, J. Geophys. Res., 99, 20,573-20.
• Waugh, D., et al. (1994), Fine-Scale Poleward Transport of Tropical Air During AASE 2, Geophys. Res. Lett., 21, 2603-2606.
• Wennberg, P., et al. (1994), Removal of Stratospheric O3 by Radicals: In Situ Measurements of OH, HO2, NO, NO2, ClO, and BrO, Science, 266, 398-404.
• Wofsy, S. C., et al. (1994), Vertical Transport Rates in 1993 From Observations of CO2, N2O and Ch4, Geophys. Res. Lett., 21, 2571-2574.
• Browell, E., et al. (1993), Ozone and aerosol changes observed during the 1991-92 Airborne Arctic Stratospheric Expedition, Science, 261, 1155-1158.
• Fahey, D., et al. (1993), In Situ Measurements Constraining the Role of Sulphate Aerosols in Mid-Latitude Ozone Depletion, Nature, 363, 509-514.
• Proffitt, M., et al. (1993), Ozone Loss Inside the Northern Polar Vortex During the 1991-1992 Winter, Science, 261, 1150-1154.
• Salawitch, R., et al. (1993), Chemical Loss of Ozone in the Arctic Polar Vortex in the Winter of 1991-1992, Science, 261, 1146-1149.
• Weaver, A., et al. (1993), Effects of Pinatubo Aerosol on Stratospheric Ozone at Mid-Latitudes, Geophys. Res. Lett., 20, 2515-2518.
• Wilson, J., et al. (1993), In Situ Observations of Aerosol and Chlorine Monoxide After the 1991 Eruption of Mount Pinatubo: Effect of Reactions on Sulfate Aerosol, Science, 261, 1140-1143.
• Bacmeister, J., et al. (1992), An Estimate of the Relative Magnitude of Small-Scale Tracer Fluxes, Geophys. Res. Lett., 19, 1101-1104.
• Tuck, A. F., et al. (1992), Polar Stratospheric Cloud Processed Air and Potential Vorticity in the Northern Hemisphere Lower Stratosphere at Mid-Latitudes During Winter, J. Geophys. Res., 97, 7883-7904.
• Douglass, A., et al. (1990), Global Three-Dimensional Constituent Fields Derived From Profile Data, Geophys. Res. Lett., 17, 525-528.
• Fahey, D., et al. (1990), A Diagnostic for Denitrification in the Winter Polar Stratosphere, Nature, 345, 698-702.
• Kelley, K. K., et al. (1990), A Comparison of ER-2 Measurements of Stratospheric Water Vapor Between the 1987 Antarctic and 1989 Arctic Airborne Missions, Geophys. Res. Lett., 17, 465-468.
• Lait, L. R., et al. (1990), Reconstruction of O3 and N2O fields from ER-2, DC-8, and Balloon Observations, Geophys. Res. Lett., 17, 521-524.
• Loewenstein, M., J. Podolske, and S. Strahan (1990), ATLAS Instrument Characterization: Accuracy of the AASE and AAOE Nitrous Oxide Data Sets, Geophys. Res. Lett., 17, 481-484.
• Loewenstein, M., et al. (1990), N2O as a Dynamical Tracer in the Arctic Vortex, Geophys. Res. Lett., 17, 477-480.
• Proffitt, M., et al. (1990), Ozone Loss in the Arctic Polar Vortex Inferred from High-Altitude Aircraft Measurements, Nature, 347, 31-36.
• Salawitch, R., et al. (1990), Loss of Ozone in the Polar Vortex for the Winter of 1989, Geophys. Res. Lett., 17, 561-164.
• Schoeberl, M. R., et al. (1990), Stratospheric Constituent Trends from ER-2 Profile Data, Geophys. Res. Lett., 17, 469-472.
• Hartmann, et al. (1989), Potential Vorticity Estimates in the South Polar Vortex from ER-2 Data, J. Geophys. Res., 94, 11,625-11.
• Hartmann, D. L., et al. (1989), Transport into the South Polar Vortex in Early Spring, J. Geophys. Res., 94, 16,779-16.
• Loewenstein, M., et al. (1989), Nitrous Oxide as a Dynamical Tracer in the 1987 Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 11,589-11.
• Loewenstein, M., et al. (1989), Evidence for Diabatic Cooling and Poleward Transport Within and Around the 1987 Antarctic Ozone Hole, J. Geophys. Res., 94, 16,797-16.
• Murphy, D. M., et al. (1989), Indicators of Transport and Vertical Motion from Corrections between In Situ Measurements of the Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 11,669-11.
• Strahan, S., et al. (1989), Correlation of N2O and Ozone in the Southern Polar Vortex During the Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 16,749-16.