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 Atmospheric Observations: People
Bhaswar Sen's Picture
Address:
Jet Propulsion Laboratory
M/S 183-601
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.393.8204
Fax:
818.354.5148
Email:

Bhaswar Sen

Education
  • B.Sc.., Physics, Delhi University (1984)
  • M.S., Astrophysics, RiceUniversity (1988)
  • Ph.D., Physics, University of Houston (1992)
Research Interests
  • High-resolution infrared spectrometry to characterize the composition of the Earths atmosphere and understand the relationship between climate and atmospheric chemistry.
  • High performance computing and its application for the analysis of large atmospheric data sets.
Projects

OCO - Orbiting Carbon Observatory Icon OCO - Orbiting Carbon Observatory
The Orbiting Carbon Observatory (OCO) is a mission designed to make precise, time-dependent global measurements of atmospheric carbon dioxide (CO2) from an Earth orbiting satellite.

Professional Experience
  • Jet Propulsion Laboratory (1992-Present)
    • Research Scientist, Atmospheric Chemistry (2002-Present)
    • Scientist, Atmospheric Chemistry (1997-2002)
    • Post-Doctoral Fellow (1994-1994)
    • National Research Council Resident Research Associate, (1992-1994)
Selected Awards
  • NASA Group Achievement Award: SOLVE Campaign, Sweden (2000)
  • NASA Group Achievement Award: MkIV Interferometer Team (2000)
  • NASA Group Achievement Award: POLARIS Campaign, Alaska (1997)
  • National Research Council Postdoctoral Fellowship (1992-1994)
Selected Publications
  1. Khosrawi, F., et al., Validation of CFC-12 measurements from the Improved Limb Atmospheric Spectrometer (ILAS) with the version 6.0 retrieval algorithm, J. Geophys. Res., 109 (D6), doi: 10.1029/2003JD004325 (2004)
  2. Kanzawa, H., et al., Validation and data characteristics of nitrous oxide and methane profiles observed by the Limb Atmospheric Spectrometer (ILAS) and processed with Version 5.20 algorithm, J. Geophys. Res., 108 (D16), 8003, doi:10.1029/2002JD002458 (2003)
  3. Steele, H.M., et al., Retrieval of Stratospheric Aerosol Size and Composition Information from Solar Infrared Transmission Spectra, Appl. Opt., 42 (12), 2140-2154 (2003)
  4. Rinsland, C.P., et al., Long-term trends of inorganic chlorine from ground-based infrared solar spectra: Past increases and evidence of stabilization, J. Geophys. Res., 108 (D8), 4252, doi:10.1029/2002JD003001 (2003)
  5. Kawa, S.R., et al., The Interaction Between Dynamics and Chemistry of Ozone in the Set-up Phase of the Northern Hemisphere Polar Vortex, J. Geophys. Res., 108 (D5), 8310, doi: 10.1029/2001JD001527 (2003)
  6. Irion, F.W., et al., Atmospheric Trace Molecule Spectroscopy (ATMOS) Experiment Version 3 data retrievals, Appl. Opt., 41 (33), 6968-6979 (2002)
  7. Kahn, B.H., et al., Cloud identification in Atmospheric Trace Molecule Spectroscopy infrared occultation measurements, Appl. Opt., 41 (15), .2768-2780 (2002)
  8. Toon, G.C., et al., Comparison of ILAS and MkIV profiles of atmospheric trace gases measured above Alaska in May 1997, J. Geophys. Res., 107 (D24), 8211, doi:10.1029/2001JD000640 (2002)
  9. Salawitch, R.J., et al., Near IR photolysis of HO2NO2: Implications for HOx, Geophys. Res. Lett., 29 (16), doi:10.1029/2002GL015006 (2002)
  10. Salawitch, R.J., et al., Chemical loss of ozone during the Arctic winter of 1999-2000: An analysis based on balloon borne observations, J. Geophys. Res., 107 (D20), 8269, doi:10.1029/2001JD000620 (2002)
  11. Mellqvist, J., et al., Ground-based FTIR observations of chlorine activation and ozone depletion inside the Arctic vortex during the winter of 1999/2000, J. Geophys. Res., 107 (D20), doi:10.1029/2001JD001080 (2002)
  12. Kanzawa, H., et al., Validation and data characteristics of water vapor profiles observed by the Improved Limb Atmospheric Spectrometer (ILAS) and processed with the Version 5.20 algorithm, J. Geophys. Res., 107 (D24), 8217, doi:10.1029/2001JD000881 (2002)
  13. Irie, H., et al., Validation of NO2 and HNO3 measurements from the Improved Limb Atmospheric Spectrometer (ILAS) with the version 5.20 retrieval algorithm, J. Geophys. Res., 107 (D24), 8206, doi:10.1029/2001JD001304 (2002)
  14. Greenblatt, J.B., et al., Tracer-based determination of vortex descent in the 1999-2000 Arctic winter, J. Geophys. Res., 107 (D20), 8279, doi:10.1029/2001JD000937 (2002)
  15. Rex, M., et al., Chemical Loss of Arctic Ozone, J. Geophys. Res., 107 (D20), 8276, doi:10.1029/2001JD000533 (2002)
  16. Lumpe, J.D., et al., Comparison of POAM III ozone measurements with correlative aircraft and balloon data during SOLVE, J. Geophys. Res., 108 (D5), 8316, doi:10.1029/2001JD000472 (2002)
  17. Sen, B., et al., Report on the Workshop on Molecular Spectroscopy for Atmospheric Sensing, SPARC Newsletter No. 19, (May 2002)
  18. Christensen, L.E., et al., Kinetics of HO2 + HO2 --> H2O2 + O2: Implications for stratospheric H2O2, Geophys. Res. Lett., 29 (10.1029/2001GL0114525) (2002)

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