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 Earth and Planetary Atmospheres: People
Leigh Fletcher's Picture
Address:
Jet Propulsion Laboratory
M/S 169-237
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.354.3518
Fax:
818.393.4619
Email:

Leigh Fletcher

Education
  • BA (Hons) Natural Sciences (2000-2003), 1st Class, Emmanuel College, University of Cambridge
  • MSci Physics (2003-2004), 1st Class, Emmanuel College, University of Cambridge
  • DPhil Planetary Physics (2004-2007), Jesus College, University of Oxford
Research Interests
  • Remote sensing of outer planet atmospheres
  • Infrared imaging and spectroscopy using ground-based telescopes
  • Radiative transfer and retrievals of atmospheric parameters from the Cassini Composite Infrared Spectrometer and other space-based instruments
  • Extrasolar planet spectra
Projects

Cassini-Huygens Icon Cassini-Huygens
The Cassini-Huygens spacecraft is currently exploring the ringed planet, its mysterious moons, the stunning rings and its complex magnetic environment.

Selected Awards
  • Royal Astronomical Society's Keith Runcorn Prize (2008)
  • Young Scientists Reception, Downing Street (2007)
  • Graduate Scholarship, Jesus College, University of Oxford (2006-2007)
  • Science Communication Award, Researchers in Residence, Research Councils UK (September 2006)
  • Kerslake Senior Scholarship, Emmanuel College, University of Cambridge (2002-2004)
  • Hooper Senior Scholarship, Emmanuel College, University of Cambridge (2001-2002)
Selected Publications
  1. Ulyana A. Dyudina, Andrew P. Ingersoll, Shawn P. Ewald, Ashwin R. Vasavada, Robert A. West, Anthony D. Del Genio, John M. Barbara, Carolyn C. Porco, Richard K. Achterberg, F. Michael Flasar, Amy A. Simon-Miller, L. N. Fletcher, 2008, Dynamics of Saturn's South Polar Vortex, Science 319, 5871, p1801.
  2. A. F. Cheng, A. A. Simon-Miller, H. A. Weaver, K. H. Baines, G. S. Orton, P. A. Yanamandra-Fisher, O. Mousis, E. Pantin, L. Vanzi, L. N. Fletcher, J. R. Spencer, S. A. Stern , J. T. Clarke, M. J. Mutchler, K. S. Noll, 2008, Changing Characteristics of Jupiters Little Red Spot, Astronomical Journal, accepted.
  3. L. N. Fletcher et al., 2008, Phosphine on Jupiter and Saturn from Cassini/CIRS. In preparation.
  4. L. N. Fletcher et al., 2008, Retrievals of Atmospheric Variables on the Gas Giants from Ground-Based Mid-Infrared Imaging. In preparation.
  5. L. N. Fletcher et al. Methane and its Isotopologues on Saturn from Cassini/CIRS Observation, (2008), In preparation.
  6. G. S. Orton, P. A. Yanamandra-Fisher, B. M. Fisher, A. J. Friedson, P. D. Parrish, J. F. Nelson, A. Swenson Bauermeister, L. N. Fletcher, D. Y. Gezari, F. Varosi, A. T. Tokunaga, J. Caldwell, K. H. Baines, J. L. Hora, M. E. Ressler, T. Fujiyoshi, T. Fuse, H. Hagopian, T. Z. Martin, J. T. Bergstralh, C. Howett, W. F. Hoffmann, J. E. Van Cleve, E. Noe, J. D. Adams, M. Kassis, E. Tollestrup. 2008. Semi-annual oscillations in Saturns low-latitude stratospheric temperatures. Nature. In press.
  7. Sanchez-Lavega, G. S. Orton, R. Hueso, E. Garcia-Melendo, S. Perez-Hoyos, A. Simon-Miller, J. F. Rojas, J. M. Gomez, P. Yanamandra-Fisher, L. N. Fletcher, J. Joels, J. Kemerer, J. Hora, E. Karkoschka, I. de Pater, M. H. Wong, P. S. Marcus, N. Pinilla-Alonso and the IOPW team. 2008. Depth of the strongest Jovian jet from a planetary-scale disturbance driven by storms. Nature, 451, Issue 7177, 437-440.
  8. L. N. Fletcher, Irwin, P. G. J., Orton, G. S., Teanby, N. A., Achterberg, R. K., Bjoraker, G. L., Read, P. L., Simon-Miller, A. A., Howett, C., de Kok, R., Bowles, N., Calcutt, S. B., Hesman, B., Flasar, F. M. 2008. Temperature and Composition of Saturns Polar Hot Spots and Hexagon. Science 319, 5859, 79-82.
  9. Irwin, P.G.J., N.A. Teanby, R. de Kok, L. N. Fletcher, C.J.A. Howett, C. Tsang, C. Wilson, S.B. Calcutt, C.A. Nixon, P. Parrish. 2008. The NEMESIS planetary atmosphere radiative transfer and retrieval tool. JQSRT, in press.
  10. Teanby, N. A., Irwin, P. G. J., de Kok, R., Nixon, C. A., Coustenis, A., Royer, E., Calcutt, S. B., Bowles, N. E., L. N. Fletcher, Howett, C., Taylor, F. W. 2008. Global and temporal variations in hydrocarbons and nitriles in Titan's stratosphere for northern winter observed by Cassini/CIRS. Icarus, Volume 193, Issue 2, p. 595-611.
  11. de Kok, R., Irwin, P. G. J., Teanby, N. A., Nixon, C. A., Jennings, D. E., L. N. Fletcher, Howett, C., Calcutt, S. B., Bowles, N. E., Flasar, F. M., Taylor, F. W. 2007. Characteristics of Titan's stratospheric aerosols and condensate clouds from Cassini CIRS far-infrared spectra. Icarus, Volume 191, Issue 1, p. 223-235.
  12. Howett, C. J. A., Irwin, P. G. J., Teanby, N. A., Simon-Miller, A., Calcutt, S. B., L. N. Fletcher, de Kok, R. 2007. Meridional variations in stratospheric acetylene and ethane in the southern hemisphere of the Saturnian atmosphere as determined from Cassini/CIRS measurements. Icarus, Volume 190, Issue 2, p. 556-572.
  13. L. N. Fletcher, Irwin, P. G. J., Teanby, N. A., Orton, G. S., Parrish, P. D., de Kok, R., Howett, C., Calcutt, S. B., Bowles, N., Taylor, F. W. 2007. Characterising Saturn's vertical temperature structure from Cassini/CIRS. Icarus, Volume 189, Issue 2, p. 457-478.
  14. Teanby, N. A., Irwin, P. G. J., de Kok, R., Vinatier, S., Bézard, B., Nixon, C. A., Flasar, F. M., Calcutt, S. B., Bowles, N. E., L. N. Fletcher, Howett, C., Taylor, F. W. 2007. Vertical profiles of HCN, HC3N, and C2H2 in Titan's atmosphere derived from Cassini/CIRS data. Icarus, Volume 186, Issue 2, p. 364-384.
  15. L. N. Fletcher, Irwin, P. G. J., Teanby, N. A., Orton, G. S., Parrish, P. D., Calcutt, S. B., Bowles, N., de Kok, R., Howett, C., Taylor, F. W. 2007. The meridional phosphine distribution in Saturn's upper troposphere from Cassini/CIRS observations. Icarus, Volume 188, Issue 1, p. 72-88.
  16. de Kok, R., Irwin, P. G. J., Teanby, N. A., Lellouch, E., Bézard, B., Vinatier, S., Nixon, C. A., L. N. Fletcher, Howett, C., Calcutt, S. B., Bowles, N. E., Flasar, F. M., Taylor, F. W. 2007. Oxygen compounds in Titan's stratosphere as observed by Cassini CIRS. Icarus, Volume 186, Issue 2, p. 354-363.
  17. Teanby, N. A., L. N. Fletcher, Irwin, P. G. J., Fouchet, T., Orton, G. S. 2007. New upper limits for hydrogen halides on Saturn derived from Cassini-CIRS data.Icarus, Volume 185, Issue 2, p. 466-475.
  18. Teanby, N. A., Irwin, P. G. J., de Kok, R., Nixon, C. A., Coustenis, A., Bézard, B., Calcutt, S. B., Bowles, N. E., Flasar, F. M., L. N. Fletcher, Howett, C., Taylor, F. W. 2006. Latitudinal variations of HCN, HC3N, and C2N2 in Titan's stratosphere derived from Cassini CIRS data. Icarus, Volume 181, Issue 1, p. 243-255.

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