Dalton Research Group Log In
 
David Scott

6911 Puddingstone Lane
Silverdale, WA   98383
(206)616-0413   scott@chem.washington.edu


A photograph of the launch preparation at the 
rocket range in Kiruna, Sweden (David at center)

A picture taken by the pilot of the U-2 spy 
plane of our scanning laser spectrometers at 
68,000 ft. over Sweden

"First" hyper-Rayleigh spectrum of Dispersed Red 1 (a molocule) recorded in the 
Dalton Laser Laboratory at the University of Washington

 

Education

1986    University of Colorado at Boulder:  B.A. Chemistry
            Graduation with distinction; 3.75 GPA

1993    University of Southern California:  Ph.D. Chemical Physics
            Thesis:  Reactions of Atomic Carbon Studied Using Pulsed Molecular Beams

Professional Experience

2002 – Present    Director Dalton Laser Laboratory, University of Washington
2000 – 2002       Senior Staff, California Institute of Technology Jet Propulsion Laboratory
1994 – 2000       Research Scientist, California Institute of Technology Jet Propulsion Laboratory
1988 – 1993       Graduate Research Assistant, University of Southern California
1987 – 1988       Research Scientist, Imperial Chemical Industries
1985 – 1987       Plant Manager, Sakata Institute of Technology

Professional Activities

  • Director Dalton Laser Laboratory, (2002Present) University of Washington

  • Lead Central Processor (20012002) JPL Microdevices Laboratory

  • Co-Investigator (19932001) JPL/NASA Aircraft Laser Infrared Absorption Spectrometer (ALIAS) for the ER-2 Aircraft

  • Co-PI (19942001) JPL/NASA Airborne Laser Infrared Absorption Spectrometer (ALIAS-II) for the Observations from the Middle Stratosphere (OMS) balloon payload

  • Plant Manger, Sakata Institute of Technology, (19851987)

Honors and Awards

  •  NASA Group Achievement Award for the Fourth Convection and Moisture Experiment (CAMEX 4) Jacksonville, Florida (2001).

  • NASA Group Achievement Award for the SAGE III Ozone Loss and Validation Experiment (SOLVE) Kiruna, Sweden (2000).

  • NASA Group Achievement Award for making the first atmospheric measurements using a quantum-cascade laser, (2000).

  • NASA Group Achievement Award for the Photochemistry of Ozone Loss in the Arctic Region in Summer (POLARIS) campaigns using the NASA ER-2 plane (1997).

  • NASA Group Achievement Award for the build and operation of the Airborne Laser Infrared Absorption Spectrometer (ALIAS-II) (1997).

  • JPL NOVA Award for quality work in atmospheric chemistry, (1996).

  • NASA Group Achievement Award for Airborne Southern Hemisphere Ozone Experiment/Measurements for Assessing the Effects of Stratospheric Aircraft (ASHOE/MAESA), (1995).

  • USC department of chemistry award for excellence in teaching, (1989).

  • U.S. department of education fellowship for graduate assistance in areas of national need, (1990-1993).

  • Graduation with distinction, University of Colorado, (1986).

  • Phi Beta Kappa, Alpha Chapter, University of Colorado, (1984).

  •  Dean's Scholarships for academic excellence, University of Colorado, (1981-1986).

 

Publications

“Reactions of C(1D) with H2 and HCl:  product state excitations, L-doublet propensities and branching ratios,” D. C. Scott, J. de Juan, D. C. Robie, D. Schwartz-Lavi and H. Reisler, J. Phys. Chem. 96, 2509 (1992).

 

“A crossed molecular beams study of the reaction of C(3P) with N2O:  energy partitioning between the NO(X2P) and CN(X2S) products,” S. A. Reid, F. Winterbottom, D. C. Scott, J. de Juan and H. Reisler, Chem. Phys. Lett. 189, 430 (1992).

 

“Kinetic energy effects on product state distributions in the C(3P) + N2O reaction.  energy partitioning between the NO(X2P) and CN(X2S) products,” D. C. Scott, F. Winterbottom, M. R. Scholefield, S. Goyal, and H. Reisler, Chem. Phys. Lett. 222, 471 (1994).

 

“Time and temperature dependencies of fractional HCl abundances from airborne data in the southern hemisphere during 1994, atmospheric chemistry:  measurements, mechanisms and models,” A. F. Tuck, C. R. Webster, R. D. May, D. C. Scott, S. J. Hovde, J. W. Elkins, and K. R. Chan, Faraday Discussions, 100, 389-410 (1995).

 

“Evolution and stoichiometry of heterogeneous processing in the Antarctic stratosphere,” L. Jaeglé, C. R. Webster, R. D. May, D. C. Scott, R. M. Stimpfle, D. W. Kohn, P. O. Wennberg, T. F. Hanisco, R. C. Cohen, D. W. Fahey, M. H. Proffitt, K. K. Kelly, J. Elkins, D. Baumgardner J. E. Dye, J. C. Wilson, R. F. Pueschel, K. R. Chan, R. J. Salawitch, A. F. Tuck, S. J. Hovde, and Y. L. Yung, J. Geophys. Res. 102, 13,235-13,253 (1997).

 

“Evolution of HCl concentrations in the lower stratosphere from 1991 to 1996 following the eruption of Mt. Pinatubo,” C. R. Webster, R. D. May, H. A. Michelsen, D. C. Scott, J. C. Wilson, H. H. Jonsson, C. A. Brock, J. E. Dye, D. Baumgardner, R. M. Stimpfle, J. P. Koplow, J. J. Margitan, M. H. Proffitt, L. Jaeglé, R. L. Herman, H. Hu, G. J. Flesch, and M. Loewenstein, Geophys. Res. Lett. 20, 995-998 (1998).

 

“Tropical entrainment time scales inferred from stratospheric N2O and CH4 observations,” R. L. Herman, D. C. Scott, C. R. Webster, R. D. May, E. J. Moyer, R. J. Salawitch, Y. L. Yung, G. C. Toon, B. Sen, J. J. Margitan, K. H. Rosenlof, H. A. Michelsen, and J. W. Elkins, Geophys. Res. Letters, 25, 2781-2784 (1998).

 

“Airborne Laser Infrared Absorption Spectrometer (ALIAS-II) for in situ atmospheric measurements of N2O, CH4, CO, HCl, and NO2 from balloon or remotely piloted aircraft platforms,” D. C. Scott, R. L. Herman, C. R. Webster, R. D. May, G. J. Flesch, and E. J. Moyer, Applied Optics, 38, 4609-4622 (1999).


“NOy partitioning from measurements of nitrogen and hydrogen radicals in the upper troposphere,” E. R. Keim, S. A. McKeen, R. S. Gao, S. G. Donnelly, R. C. Wamsley, L. A. Del Negro, D. W. Fahey, T. F. Hanisco, E. L. Lanzendorf, M. H. Proffitt, J. J. Margitan, E. J. Hintsa, L. Jaeglé, C. R. Webster, R. D. May, D. C. Scott, R. J. Salawitch, J. C. Wilson, C. T. McElroy, E. L. Atlas, F. Flocke, and T. P. Bui, J. Geophys. Res. 26, 51-54 (1999).

 

“Closure of the total hydrogen budget of the northern extratropical lower stratosphere,” D. F. Hurst, G. S. Dutton, P. A. Romashkin, P. R. Wamsley, F. L. Moore, J. W. Elkins, E. J. Hintsa, E. M. Weinstock, R. L. Herman, E. J. Moyer, D. C. Scott, R. D. May, and C. R. Webster, J. Geophys. Res., 104, 8,191-200 (1999).

 

“Measurements of CO in the upper troposphere and lower stratosphere,” R. L. Herman, C. R. Webster, R. D. May, D. C. Scott, H. Hu, E. J. Moyer, P. O. Wennberg, T. F. Hanisco, E. J. Lanzendorf, R. J. Salawitch, Y. L. Yung, J. J. Margitan and T. P. Bui, Chemosphere: Global Change Science, 1, 173-83 (1999).

 

“Subsidence, mixing and denitrification of arctic polar vortex air measured during POLARIS,” M. Rex, R. J. Salawitch, G. C. Toon, B. Sen, J. J. Margitan, G. B. Osterman, J.­F. Blavier, R. S. Gao, S. Donnelly, E. Keim, J. Neuman, D. W. Fahey, C. R. Webster, D. C. Scott, R. L. Herman, R. D. May, E. J. Moyer, M. R. Gunson, F. W. Irion, A. Y. Chang, C. P. Rinsland, and T. P. Bui, J. Geophys. Res., 104, 26,611-24 (1999).

 

“An examination of chemistry and transport processes in the tropical lower stratosphere using observations of long-lived and short-lived compounds obtained during STRAT and POLARIS,” F. Flocke, R. L. Herman, R. J. Salawitch, E. Atlas, C. R. Webster, S. M. Schauffler, R. A. Lueb, R. D. May, E. J. Moyer, K. H. Rosenlof, D. C. Scott, D. R. Blake, and T. P. Bui, J. Geophys. Res., 104, 26,625-42 (1999).

 

“Maintenance of High HCl/ Cly and NOx/NOy in the antarctic vortex:  A chemical signature of confinement during spring,” H. A. Michelsen, C. R. Webster, G. L. Manney, D. C. Scott, J. J. Margitan, R. D. May, F. W. Irion, M. R. Gunson, J. M. Russell III, and C. M. Spivakovsky, J. Geophys. Res., 104, 26,419-436 (1999).

 

“Inorganic chlorine partitioning in the summer lower stratosphere:  Modeled and measured [ClONO2]/[HCl] during POLARIS,” P. B. Voss, R. M. Stimpfle, R. C. Cohen, T. F. Hanisco, G. P. Bonne, K. K. Perkins, E. J. Lanzendorf, J. G. Anderson, R. J. Salawitch,C. R. Webster, D. C. Scott, R. D. May, P.O. Wennberg, P. A. Newman, L. R. Lait, J. W. Elkins, and T. P. Bui, J. Geophys. Res., 106, 1713-1732 (2001).

 

“Quantum cascade laser measurements of stratospheric methane (CH4) and nitrous oxide (N2O),” C. R. Webster, G. J. Flesch, D. C. Scott, J. E. Swanson, R. D. May, W. S. Woodward, C. Gmachl, F. Capasso, D. L. Sivco, J. N. Baillargeon, A. L. Hutchinson, A. Y. Cho, Applied Optics, 40, 321-326 (2001).

 

“Chemical depletion of Arctic ozone in winter 1999/2000,” M. Rex, R. J. Salawitch, N. R. P. Harris, P. von der Gathen, G. O. Braathen, A. Schulz, H. Deckelman, M. Chipperfield, B. M. Sinnhuber, E. Reimer, R. Alfier, R. Bevilacqua, K. Hoppel, M. Fromm, J. Lumpe, H. Küllmann, A. Kleinböhl, H. Bremer, M. von König, K. Künzi, D. Toohey, H. Vömel, E. Richard, K. Aikin, H. Jost, J. B. Greenblatt, M. Loewenstein, J. R. Podolske, C. R. Webster, G. J. Flesch, D. C. Scott, R. L. Herman, J. W. Elkins, E. A. Ray, F. L. Moore, D. F. Hurst, P. Romashkin, G. C. Toon, B. Sen, J. J. Margitan, P. Wennberg, R. Neuber, M. Allart, M. Alpers, B. R. Bojkov, J. Cisneros, H. Claude, J. Davies, W. Davies, H. De Backer, H. Dier, V. Dorokhov, H. Fast, S. Godin, B. Johnson, Y. Kondo, E. Kyrö, Z. Litynska, I. S. Mikkelsen, M. J. Molyneux, E. Moran, G. Murphy, T. Nagai, H. Nakane, C. Parrondo, F. Ravegnani, F. J. Schmidlin, P. Skrivankova, C. Varotsos, C. Vialle, P. Viatte, V. Yushkov, and C. Zerefos, submitted to JGR, 2001.

 

“The construction of a unified, high-resolution nitrous oxide data set for ER-2 flights during SOLVE,” Dale F. Hurst, Sue M. Schauffler, Jeffery B. Greenblatt, Hansjürg Jost, Robert L. Herman, James W. Elkins, Pavel A. Romashkin, Elliot L. Atlas, Stephen G. Donnelly, James R. Podolske, Max Loewenstein, Christopher R. Webster, Gregory J. Flesch, and David C. Scott, submitted to JGR, 2001.

 

“Mean ages of stratospheric air derived from in situ observations of CO2, CH4 and N2O,” A. E. Andrews, K. A. Boering, B. C. Daube, S. C. Wofsy, M. Loewnstein, H. Jost, J. R. Podolske, C. R. Webster, R. L. Herman, D. C. Scott, G. J. Flesch, E. J. Moyer, J. W. Elkins, G. S. Dutton, D. F. Hurst, F. L. Moore, E. A. Ray, P. A. Romashkin, P. R. Wamsley , and S. E. Strahan, J. Geophys. Res., 106, 32,295-314 (2001)


Presentations

“The reactions of C(1D) with H2 and HCl,” D. C. Scott, D. C. Robie, J. de Juan, D. Schwartz-Lavi and H. Reisler, XIXth Informal Conference on Photochemistry, June (1990).

 

“A crossed molecular beams study of the reaction of C(3P) with N2O,” F. Winterbottom, S. A. Reid, D. C. Scott and H. Reisler, XIVth International Symposium on Molecular Beams, June (1992).

 

“Detection of ground state carbon atoms via two photon laser induced fluorescence,” M. Scholefield, F. Winterbottom, D. C. Scott and H. Reisler, American Chemical Society  Conference, April (1993).

 

“Airborne in situ measurements of trace species N2O, CH4, and CO from the 1994 ASHOE/MAESA campaign,” H. Hu, C. R. Webster, R. D. May, D. C. Scott, R. J. Salawitch, P. O. Wennberg, D. W. Fahey, E. Woodbridge, M. H. Proffitt, J. J. Margitan, American Geophysical Union, Fall Meeting (1994).

 

“Chlorine chemistry of the lower stratosphere:  Aircraft (ALIAS, ER-2) and balloon (BLISS) in situ measurements of HCl, NO2, and N2O, for testing heterogeneous chemistry,” C. R. Webster, R. D. May, L. Jaeglé, H. Hu, D. C. Scott, R. M. Stimpfle, R. J. Salawitch, D. W. Fahey, E. Woodbridge, M. H. Proffitt, and J. J. Margitan, American Geophysical Union, Fall Meeting (1994).

 

“Airborne in situ measurements of trace species N2O, CH4, and CO from the 1994 ASHOE/MAESA campaign,” H. Hu, C. R. Webster, R. D. May, D. C. Scott, R. J. Salawitch, P. O. Wennberg, D. W. Fahey, E. Woodbridge, M. H. Proffitt, J. J. Margitan, American Geophysical Union, Fall Meeting (1994).

 

“The temperature dependence of stratospheric CO abundances: an indicator for global change?” H. Hu, C. R. Webster, R. D. May, D. C. Scott, R. J. Salawitch, P. O. Wennberg, R. M. Stimpfle, D. W. Fahey, M. H. Proffitt, Y. L. Yung, American Geophysical Union, Fall Meeting (1994).

 

“Airborne Laser Infrared Absorption Spectrometer (ALIAS-II) for in situ stratospheric measurements of N2O, CH4, CO, HCl, and NO2,” D. C. Scott, R. L. Herman, C. R. Webster, R. D. May, and G. J. Flesch, ASHOE/MAESA Science Team Meeting, (1995).

 

“The temperature dependence of hydrogen chloride loss during ASHOE/MAESA,” A. F. Tuck, C. R. Webster, R. D. May, D. C. Scott, and S. J. Hovde, IUGG Meeting (1995).

 

“ALIAS in situ measurements of CO and CH4 in the lower stratosphere and upper troposphere,” R. L. Herman, Y. L. Yung, C. R. Webster, R. D. May, D. C. Scott, H. Hu, R. J. Salawitch, G. C. Toon, M. R. Gunson, American Geophysical Union, Fall Meeting (1995).

 

“Stratospheric mean ages from in situ measurements of carbon dioxide from aircraft and high-altitude balloons,” A. E. Andrews, K. A. Boering, S. C. Wofsy, B. C. Daube, M. Loewenstein, J. R. Podolske, H. Jost, C. R. Webster, R. D. May, R. L. Herman, D. C. Scott, J. W. Elkins, F. L. Moore, P. A. Romashkin, D. F. Hurst, E. A. Ray, American Geophysical Union, Spring Meeting (1998).

 

“Closure of the total hydrogen budget of the northern extratropical lower stratosphere,” D. F. Hurst, G. S. Dutton, P. A. Romashkin, P. R. Wamsley, F. L. Moore, J. W. Elkins, E. J. Hintsa, E. M. Weinstock, C. R. Webster, R. D. May, R. L. Herman, E. J. Moyer, and D. C. Scott, American Geophysical Union, Spring Meeting (1998).

 

“Chlorine partitioning in the summer lower stratosphere: POLARIS observations support known gas-phase photochemistry,” P. B. Voss, R. M. Stimpfle, G. P. Bonne, K. K. Perkins, T. F. Hansico, E. J. Lanzendorf, J. G. Anderson, R. C. Cohen, L. C. Koch, C. R. Webster, D. C. Scott, R. D. May, R. J. Salawitch, J. J. Margitan, P. O. Wennberg, R. S. Gao, T. P. Bui, P. A. Newman, L. R. Lait, American Geophysical Union, Fall Meeting (1998).

 

“An examination of the inorganic chlorine budget in the lower stratosphere,” G. P. Bonne, R. M. Stimpfle, P. B. Voss, K. K. Perkins, R. C. Cohen, L. C. Koch, C. R. Webster, D. C. Scott, R. D. May, R. J. Salawitch, J. J. Margitan, J. W. Elkins, R. E. Dunn, G. S. Dutton, D. F. Hurst, F. L. Moore, P. Romashkin, M. Loewenstein, J. R. Podolske, T. P. Bui, D. W. Fahey, R. Gao, L. A. DelNegro, E. R. Keim, S. G. Donnelly, M. H. Proffitt, J. C. Wilson, C. A. Brock, B. Gandrud, D. Baumgardner, American Geophysical Union, Fall Meeting (1998).

 

“WISP (Water Isotope SPectrometer): a tunable diode laser spectrometer for measurement of upper tropospheric/lower stratospheric water vapor isotopic composition,” E. J. Moyer, C. R. Webster, R. D. May, D. C. Scott, R. L. Herman, and Y. L. Yung, American Geophysical Union, Fall Meeting (1998).

 

“An examination of chemistry and transport processes in the tropical lower stratosphere using observations of long-lived and short-lived compounds obtained during STRAT and POLARIS,” F. Flocke, R. L. Herman, R. J. Salawitch, E. Atlas, C. R. Webster, S. M. Schauffler, R. A. Lueb, R. D. May, E. J. Moyer, K. H. Rosenlof, D. C. Scott, D. R. Blake, and T. P. Bui, American Geophysical Union, Fall Meeting (1998).

 

“Sources, sinks, and the distribution of HOx in the lower stratosphere,” T. F. Hanisco, E. J. Lanzendorf, R. M. Stimpfle, G. P. Bonne, K. K. Perkins, P. B. Voss, J. G. Anderson, P. O. Wennberg, R. C. Cohen, L. C. Koch, D. W. Fahey, R. Gao, E. R. Keim, S. G. Donnelly, L. A. DelNegro, R. J. Salawitch, C. R. Webster, R. D. May, R. L. Herman, D. C. Scott, J. J. Margitan, and T. P. Bui, American Geophysical Union, Fall Meeting (1998).

 

“Chlorine partitioning in the summer lower stratosphere: observations made during POLARIS support known gas-phase photochemistry,” P. B. Voss, R. M. Stimpfle, G. P. Bonne, K. K. Perkins, T. F. Hanisco, E. J.  Lanzendorf, J. G. Anderson, R. C. Cohen, L. C. Koch, C. R. Webster, D. C. Scott, R. D. May, R. J. Salawitch, J. J. Margitan,

P. O. Wennberg, R. S. Gao, T. P. Bui, P. A. Newman, and L. R. Lait, American Geophysical Union, Fall Meeting (2000).

 

“Estimates of transport timescales from in-situ observations of CO2 and other tracers in the Arctic vortex during SOLVE,” A. Andrews, B. Daube, C. Gerbig, S. Wofsy, J. Elkins, D. Hurst, F. Moore, P. Romashkin, E. Ray, J. Greenblatt, H. Jost, M. Loewenstein, J. Podolske, G. Flesch, R. Herman, K. Modarress, D. Scott, and C. Webster, American Geophysical Union, Fall Meeting (2000).

 

“The construction of a unified, high-resolution nitrous oxide data set for ER-2 flights during SOLVE,” D. Hurst, S. Schauffler, H. Jost, C. Webster, S. Wofsy, J. Elkins, P. Romashkin, E. Atlas, S. Donnelly, J. Podolske, M. Loewenstein, J. Greenblatt, G. Flesch, D. Scott, A. Andrews, C. Gerbig, and B. Daube, American Geophysical Union, Fall Meeting (2000).

 

In situ observations of irreversible denitrification in the 1999/2000 Arctic winter stratosphere,” P. J. Popp, R. S. Gao, J. C. Holecek, M. J. Northway, D. W. Fahey, D. F. Hurst, P. A. Romashkin, J. W. Elkins, C. R. Webster, G. J. Flesch, D. C. Scott, R. J. Salawitch, G. C. Toon, R. L. Herman, H. Jost, M. Lowenstein, B. J. Greenblatt, J. Grose, J. R. Podolske, S. C. Wofsy, A. E. Andrews, B. C. Daube, C. Gerbig, P. A. Newman, and L. R. Lait, American Geophysical Union, Fall Meeting (2000).

 
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