NASA Logo Jet Propulsion Laboratory California Institute of Technology View the NASA Portal
NASA Banner
NASA Banner
NASA Banner
JPL HOME EARTH SOLAR SYSTEM STARS & GALAXIES SCIENCE & TECHNOLOGY
NASA Banner
JPL Science
JPL Science Division Home
Planetary Science Planetary Science
Astrophysics & Space Science Astrophysics & Space Science
Climate, Oceans and Solid Earth Science Climate, Oceans and Solid Earth Science
Earth Atmospheric Science Earth Atmospheric Science
Tropospheric Emission Spectrometry
Microwave Atmospheric Science
Aerosol and Cloud Science
Atmospheric Observations
People
Lab Studies and Modeling
Table Mountain Facility
Table Mountain Facility Table Mountain Facility
Open Postdoc Positions Open Postdoc Positions
 Atmospheric Observations: People
Lance Christensen's Picture
Address:
Jet Propulsion Laboratory
M/S 183-401
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.354.0521
Fax:
818.354.5148
Email:

Lance Christensen

Education
  • B.S. Chemistry with honors, University of Chicago (1996)
  • Ph.D. Physical Chemistry, California Institute of Technology (2002)
    Research Interests
    • Measurements of species in planetary atmospheres using in situ instrumentation
    • Isotopic fractionation to determine sources and sinks of carbon dioxide, methane, and water
    • Reaction kinetics and dynamics
    • Thermodynamics of hydrogen-bonded complexes
    Professional Experience
    • Jet Propulsion Laboratory - Atmospheric Laser Spectroscopy Group (2003 - present)
    • The California Institute of Technology - Teaching Assistant, Department. of Chemistry (1997-2002)
    • 3M, Maplewood, MN - Research Technician, Medical Products Division (1996-1997)
    Selected Publications
    1. L.E. Christensen, B. Brunner, K.N. Truong, R.E. Mielke, C.R. Webster, M. Coleman, “Measurement of sulfur isotope compositions by tunable laser spectroscopy of SO2”, Analytical Chemistry, 10.1021/ac071040p (2007).
    2. I. Gensch, et al. “Supersaturations, Microphysics and Nitric Acid Partitioning in a Cold Cirrus observed during CR-AVE 2006: An Observation-Modeling Intercomparison Study”, J. Geophys. Res., 113, D15S25 (2008).
    3. Christensen, L. E.; Webster, C. R.; Yang, R. Q., "In Situ Measurements of Gas-Phase Methane, Methane Isotopes, and Hydrochloric Acid Using an Interband Cascade Laser", Applied Optics, 46, 1132-1138 (2007)
    4. Christensen, L. E.; Okumura, M.; Hansen, Sander, S. P.; J. C.; Francisco, J. S., "Experimental and ab Initio Study of the HO2-CH3OH Complex: Thermodynamics and Kinetics of Formation," J. Phys. Chem. A, doi 10.1021/jp056579a (2006)
    5. Froidevaux, L.; et al., "Early Validation Analysis of Atmospheric Profiles from EOS MLS on the Aura Satellite," IEEE Transactions on Geoscience and Remote Sensing, 44 (2006)
    6. D. E. Hagan, C. R. Webster, C. B. Farmer, R. D. May, L. E. Christensen, L. Lait and P. Newman; "Validating AIRS Upper Atmosphere Water Vapor Retrievals Using Aircraft and Balloon In Situ Measurements," GRL, 31, Art. No. L21103 (2004)
    7. Christensen, L. E.; Sander, S. P.; Okumura, M.; Friedl, R. F.; Miller, C. E.; Sloan, J. J., "Measurements of the Rate Constant of HO2 + NO2 + N2 → HO2NO2 + N2 Using Infrared Wavelength-Modulation Spectroscopy and UV-Visible Absorption Spectroscopy," J. Phys. Chem. A, 108 (2004)
    8. Christensen, L. E.; Sander, S. P.; Okumura, M.; Salawitch, R. J.; Toon, G. C.; Sen, B.; Blavier, J.-F.; Jucks, K. W., "Kinetics of HO2 + HO2 → H2O2 + O2: Implications for Stratospheric H2O2," GRL, 29, Art. No. 1299 (2002)

    Group Home Page
    People in this Group
    JPL Privacy Statement Sitemap Email Contact Form
    FIRST GOV NASA Home Page   Site Manager: Mona Jasnow
      Webmaster: David Martin
      Privacy/Copyright