• 1466 Citations
  • 21 h-Index
1988 …2021
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Research Output 1988 2018

44 Citations (Scopus)

A carbon isotope challenge to the snowball Earth

Sansjofre, P., Ader, M., Trindade, R. I. F., Elie, M., Lyons, J., Cartigny, P. & Nogueira, A. C. R., Oct 6 2011, In : Nature. 478, 7367, p. 93-96 4 p.

Research output: Contribution to journalArticle

Oxygen Isotopes
Carbon Isotopes
Planets
Boron
Carbonates
5 Citations (Scopus)

A light carbon isotope composition for the Sun

Lyons, J., Gharib-Nezhad, E. & Ayres, T. R., Dec 1 2018, In : Nature Communications. 9, 1, 908.

Research output: Contribution to journalArticle

Carbon Isotopes
carbon isotopes
isotope ratios
Solar System
Carbon Monoxide
39 Citations (Scopus)

An ab initio study of the low-lying electronic states of S 3

Peterson, K. A., Lyons, J. & Francisco, J. S., Sep 8 2006, In : Journal of Chemical Physics. 125, 8, 084314.

Research output: Contribution to journalArticle

Electronic states
Ground state
electronics
Thermochemistry
Potential energy surfaces
27 Citations (Scopus)
Sulfur
Vapors
Vapor pressure
Atmospheric temperature
Gases
2 Citations (Scopus)
atlas
spectroscopy
high resolution
energy
molecular spectroscopy
55 Citations (Scopus)

Atmospherically-derived mass-independent sulfur isotope signatures, and incorporation into sediments

Lyons, J., Sep 30 2009, In : Chemical Geology. 267, 3-4, p. 164-174 11 p.

Research output: Contribution to journalArticle

Sulfur Isotopes
sulfur isotope
Sulfur
Sediments
Fractionation
8 Citations (Scopus)

ATMOSPHERIC CHEMISTRY for ASTROPHYSICISTS: A SELF-CONSISTENT FORMALISM and ANALYTICAL SOLUTIONS for ARBITRARY C/O

Heng, K., Lyons, J. & Tsai, S. M., Jan 10 2016, In : Astrophysical Journal. 816, 2, 96.

Research output: Contribution to journalArticle

formalism
Gibbs free energy
oxygen
carbon
coefficients
25 Citations (Scopus)
carbon dioxide
hydrogen
atmospheres
atmosphere
carbon monoxide
21 Citations (Scopus)

Chapter 5 Photolysis of Long-Lived Predissociative Molecules as a Source of Mass-Independent Isotope Fractionation: The Example of SO2

Lyons, J., May 6 2008, Applications of Theoretical Methods to Atmospheric Science. Goodsite, M. & Johnson, M. (eds.). p. 57-74 18 p. (Advances in Quantum Chemistry; vol. 55).

Research output: Chapter in Book/Report/Conference proceedingChapter

Photolysis
Fractionation
fractionation
Isotopes
photolysis

CO isotopologue ratios in the solar photosphere

Lyons, J., Gharib-Nezhad, E. & Ayres, T. R., Jan 1 2015, In : Proceedings of the International Astronomical Union. 11, A29A, p. 307-308 2 p.

Research output: Contribution to journalArticle

photosphere
dipole moments
isotope ratios
isotope
meteorite
14 Citations (Scopus)

Comment on "Experimental Test of Self-Shielding in Vacuum Ultraviolet Photodissociation of CO"

Lyons, J., Lewis, R. S. & Clayton, R. N., Jun 19 2009, In : Science. 324, 5934

Research output: Contribution to journalComment/debate

Carbon Monoxide
Vacuum
47 Citations (Scopus)

Contribution of isotopologue self-shielding to sulfur mass-independent fractionation during sulfur dioxide photolysis

Ono, S., Whitehill, A. R. & Lyons, J., Mar 16 2013, In : Journal of Geophysical Research Atmospheres. 118, 5, p. 2444-2454 11 p.

Research output: Contribution to journalArticle

Sulfur Dioxide
sulfur dioxides
photolysis
Photolysis
sulfur dioxide
240 Citations (Scopus)

CO self-shielding as the origin of oxygen isotope anomalies in the early solar nebula

Lyons, J. & Young, E. D., May 19 2005, In : Nature. 435, 7040, p. 317-320 4 p.

Research output: Contribution to journalArticle

Oxygen Isotopes
Carbon Monoxide
Aluminum
Isotopes
Calcium
12 Citations (Scopus)

Early inner solar system origin for anomalous sulfur isotopes in differentiated protoplanets

Antonelli, M. A., Kim, S. T., Peters, M., Labidi, J., Cartigny, P., Walkera, R. J., Lyons, J., Hoek, J. & Farquhar, J., Dec 16 2014, In : Proceedings of the National Academy of Sciences of the United States of America. 111, 50, p. 17749-17754 6 p.

Research output: Contribution to journalArticle

iron meteorite
sulfur isotope
solar system
isotope
achondrite
2 Citations (Scopus)

Finite difference time domain solution of electromagnetic scattering on the hypercube

Calaio, R. H., Lyons, J. & Imbriale, W. A., Jan 3 1989, Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988. Fox, G. (ed.). Association for Computing Machinery, Inc, Vol. 2. p. 1088-1100 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Finite difference time domain method
Electromagnetic fields
Scattering
Propulsion
Data storage equipment
10 Citations (Scopus)

Flash heating on the early earth

Lyons, J. & Vasavada, A. R., Mar 1 1999, In : Origins of Life and Evolution of the Biosphere. 29, 2, p. 123-138 16 p.

Research output: Contribution to journalArticle

bolides
early Earth
impactors
flash
heating
60 Citations (Scopus)

Formation of methane on Mars by fluid-rock interaction in the crust

Lyons, J., Manning, C. & Nimmo, F., Jul 16 2005, In : Geophysical Research Letters. 32, 13, p. 1-4 4 p.

Research output: Contribution to journalArticle

mars
Mars
dike
crusts
methane
1 Citation (Scopus)

Fourier-transform-spectroscopic photoabsorption cross sections and oscillator strengths for the S2 B Σ u - 3 - X Σ g - 3 system

Stark, G., Herde, H., Lyons, J., Heays, A. N., De Oliveira, N., Nave, G., Lewis, B. R. & Gibson, S. T., Jun 28 2018, In : Journal of Chemical Physics. 148, 24, 244302.

Research output: Contribution to journalArticle

photoabsorption
oscillator strengths
Fourier transforms
Vapors
cross sections
4 Citations (Scopus)

Fourier-transform spectroscopy of 13C17O and deperturbation analysis of the A1Π (υ=0–3) levels

Hakalla, R., Niu, M. L., Field, R. W., Heays, A. N., Salumbides, E. J., Stark, G., Lyons, J., Eidelsberg, M., Lemaire, J. L., Federman, S. R., de Oliveira, N. & Ubachs, W., Mar 1 2017, In : Journal of Quantitative Spectroscopy and Radiative Transfer. 189, p. 312-328 17 p.

Research output: Contribution to journalArticle

Spectrometers
Fourier transforms
Orbits
Spectroscopy
Synchrotrons
26 Citations (Scopus)

High-level ab initio studies of the structure, vibrational spectra, and energetics of S 3

Francisco, J. S., Lyons, J. & Williams, I. H., Sep 5 2005, In : Journal of Chemical Physics. 123, 5, 054302.

Research output: Contribution to journalArticle

Vibrational spectra
Fractionation
Sulfur
fractionation
vibrational spectra

High resolution molecular spectroscopy with the imperial college UV FT spectrometer

Blackie, D., Pickering, J. C., Rufus, J., Thorne, A., Stark, G., Lyons, J., Blackwell-Whitehead, R. & Smith, P. L., Dec 1 2011, Fourier Transform Spectroscopy, FTS 2011.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Molecular spectroscopy
Ultraviolet spectrometers
molecular spectroscopy
spectrometers
high resolution
19 Citations (Scopus)

High-resolution oscillator strength measurements of the v′ = 0,1 bands of the B-X, C-X, and E-X systems in five isotopologues of carbon monoxide

Stark, G., Heays, A. N., Lyons, J., Smith, P. L., Eidelsberg, M., Federman, S. R., Lemaire, J. L., Gavilan, L., De Oliveira, N., Joyeux, D. & Nahon, L., Jun 10 2014, In : Astrophysical Journal. 788, 1, 67.

Research output: Contribution to journalArticle

photolysis
carbon monoxide
oscillator strengths
fractionation
wavelength
14 Citations (Scopus)

High-resolution study of 13C16O A-X(v' = 0-9) bands using the VUV-FTS at SOLEIL: Revised term values

Gavilan, L., Lemaire, J. L., Eidelsberg, M., Federman, S. R., Stark, G., Heays, A. N., Fillion, J. H., Lyons, J. & De Oliveira, N., Oct 3 2013, In : Journal of Physical Chemistry A. 117, 39, p. 9644-9652 9 p.

Research output: Contribution to journalArticle

Spectrometers
Fourier transforms
spectrometers
high resolution
Synchrotrons
29 Citations (Scopus)

High-resolution study of oscillator strengths and predissociation rates for 12C 16O: W-X bands and Rydberg complexes between 92.9 and 93.4 nm

Eidelsberg, M., Lemaire, J. L., Federman, S. R., Stark, G., Heays, A. N., Sheffer, Y., Gavilan, L., Fillion, J. H., Rostas, F., Lyons, J., Smith, P. L., De Oliveira, N., Joyeux, D., Roudjane, M. & Nahon, L., Jul 2 2012, In : Astronomy and Astrophysics. 543, A69.

Research output: Contribution to journalArticle

superhigh frequencies
oscillator strengths
high resolution
photochemistry
absorption spectrum
12 Citations (Scopus)

High-resolution study of oscillator strengths and predissociation rates for 13C16O and 12C18O: W - X bands and Rydberg complexes in the 92.5-97.5 nm range

Eidelsberg, M., Lemaire, J. L., Federman, S. R., Stark, G., Heays, A. N., Gavilan, L., Lyons, J., Smith, P. L., De Oliveira, N. & Joyeux, D., Jan 1 2014, In : Astronomy and Astrophysics. 566, A96.

Research output: Contribution to journalArticle

superhigh frequencies
oscillator strengths
perturbation
high resolution
photochemistry
4 Citations (Scopus)

High-resolution study of oscillator strengths and predissociation rates for 13 C 18 O: W-X bands and Rydberg complexes between 92.9 and 93.5 nm

Eidelsberg, M., Lemaire, J. L., Federman, S. R., Heays, A. N., Stark, G., Lyons, J., Gavilan, L. & De Oliveira, N., Jun 1 2017, In : Astronomy and Astrophysics. 602, A76.

Research output: Contribution to journalArticle

photochemistry
absorption spectrum
superhigh frequencies
oscillator strengths
Fourier transform
22 Citations (Scopus)

Is Mars alive?

Allen, M., Sherwood Lollar, B., Runneggar, B., Oehler, D. Z., Lyons, J., Manning, C. E. & Summers, M. E., Oct 10 2006, In : Eos. 87, 41

Research output: Contribution to journalArticle

Martian atmosphere
Mars
methane
15 Citations (Scopus)

Is the sun lighter than the earth? Isotopic co in the photosphere, viewed through the lens of three-dimensional spectrum synthesis

Ayres, T. R., Lyons, J., Ludwig, H. G., Caffau, E. & Wedemeyer-Böhm, S., Mar 1 2013, In : Astrophysical Journal. 765, 1, 46.

Research output: Contribution to journalArticle

oxygen isotopes
photosphere
fractionation
oxygen isotope
sun
71 Citations (Scopus)
sulfur isotopes
sulfur isotope
fractionation
photodissociation
isotopes
33 Citations (Scopus)

Metal ions in the atmosphere of Neptune

Lyons, J., Jan 1 1995, In : Science. 267, 5198, p. 648-651 4 p.

Research output: Contribution to journalArticle

Atmosphere
Metals
Ions
Meteoroids
Planets

Numerical algorithms for the hypercube concurrent processor

Patterson, J. E., Manshadi, F., Calalo, R. H., Liewer, P. C., Imbriale, W. A. & Lyons, J., Jan 1 1988, In : Mathematical and Computer Modelling. 11, C, p. 55-57 3 p.

Research output: Contribution to journalArticle

Parallel architectures
Maxwell equations
Method of moments
Hypercube
Numerical Algorithms
10 Citations (Scopus)

Observation of a new electronic state of CO perturbing W1Π (v=1)

Heays, A. N., Eidelsberg, M., Stark, G., Lemaire, J. L., Gavilan, L., Federman, S. R., Lewis, B. R., Lyons, J., De Oliveira, N. & Joyeux, D., Jan 1 2014, In : Journal of Chemical Physics. 141, 14, 144311.

Research output: Contribution to journalArticle

Electronic states
Carbon Monoxide
Linewidth
photoabsorption
Synchrotron radiation
29 Citations (Scopus)

Oxygen isotope anomalies of the sun and the original environment of the solar system

Lee, J. E., Bergin, E. A. & Lyons, J., Jan 1 2008, In : Meteoritics and Planetary Science. 43, 8, p. 1351-1362 12 p.

Research output: Contribution to journalArticle

oxygen isotopes
solar system
oxygen isotope
sun
meteorites
11 Citations (Scopus)

Oxygen isotope anomaly observed in water vapor from Alert, Canada and the implication for the stratosphere

Lin, Y., Clayton, R. N., Huang, L., Nakamura, N. & Lyons, J., Sep 24 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 39, p. 15608-15613 6 p.

Research output: Contribution to journalArticle

Oxygen Isotopes
Steam
Canada
Water
Oceans and Seas
8 Citations (Scopus)
solar nebula
photodissociation
photolysis
dissociation
wavelength
1 Citation (Scopus)
13 Citations (Scopus)

Room temperature photoabsorption cross section measurements of CO2 between 91,000 and 115,000cm-1

Archer, L. E., Stark, G., Smith, P. L., Lyons, J., De Oliveira, N., Nahon, L., Joyeux, D. & Blackie, D., Mar 1 2013, In : Journal of Quantitative Spectroscopy and Radiative Transfer. 117, p. 88-92 5 p.

Research output: Contribution to journalArticle

photoabsorption
Earth atmosphere
Spectral resolution
cross sections
room temperature
1 Citation (Scopus)

Solar carbon monoxide: Poster child for 3D effects

Ayres, T. R., Lyons, J., Ludwig, H. G., Caffau, E. & Wedemeyer-Böhm, S., Jan 1 2013, In : Memorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society. 24, p. 85-95 11 p.

Research output: Contribution to journalConference article

Posters
Carbon Monoxide
Carbon monoxide
carbon monoxide
Oxygen
7 Citations (Scopus)

Solar control of the upper atmosphere of Triton

Lyons, J., Yung, Y. L. & Allen, M., Jan 1 1992, In : Science. 256, 5054, p. 204-206 3 p.

Research output: Contribution to journalArticle

Atmosphere
Chemical Phenomena
Electrons
Physical Phenomena
Radiation
33 Citations (Scopus)

The atmosphere of Neptune: Results of radio occultation measurements with the Voyager 2 spacecraft

Lindal, G. F., Lyons, J., Sweetnam, D. N., Eshleman, V. R., Hinson, D. P. & Tyler, G. L., Jan 1 1990, In : Geophysical Research Letters. 17, 10, p. 1733-1736 4 p.

Research output: Contribution to journalArticle

Voyager 2 spacecraft
radio occultation
Neptune (planet)
Neptune
occultation
7 Citations (Scopus)

The kinetics study of the S + S2 → S3 reaction by the chaperone mechanism

Du, S., Germann, T. C., Francisco, J. S., Peterson, K. A., Yu, H. G. & Lyons, J., Apr 21 2011, In : Journal of Chemical Physics. 134, 15, 154508.

Research output: Contribution to journalArticle

Rate constants
Molecules
Kinetics
kinetics
Sulfur
43 Citations (Scopus)

Timescales for the evolution of oxygen isotope compositions in the solar nebula

Lyons, J., Bergin, E. A., Ciesla, F. J., Davis, A. M., Desch, S., Hashizume, K. & Lee, J. E., Sep 1 2009, In : Geochimica et Cosmochimica Acta. 73, 17, p. 4998-5017 20 p.

Research output: Contribution to journalArticle

Oxygen Isotopes
Shielding
oxygen isotope
Carbon Monoxide
timescale
5 Citations (Scopus)

Toward Consistent Modeling of Atmospheric Chemistry and Dynamics in Exoplanets: Validation and Generalization of the Chemical Relaxation Method

Tsai, S. M., Kitzmann, D., Lyons, J., Mendonca, J., Grimm, S. L. & Heng, K., Jul 20 2018, In : Astrophysical Journal. 862, 1, 31.

Research output: Contribution to journalArticle

atmospheric chemistry
atmospheric dynamics
chemical method
extrasolar planets
molecular relaxation
102 Citations (Scopus)

Transfer of mass-independent fractionation in ozone to other oxygen-containing radicals in the atmosphere

Lyons, J., Sep 1 2001, In : Geophysical Research Letters. 28, 17, p. 3231-3234 4 p.

Research output: Contribution to journalArticle

fractionation
ozone
atmospheres
oxygen
atmosphere
124 Citations (Scopus)

Triple oxygen isotope evidence for elevated CO2 levels after a Neoproterozoic glaciation

Bao, H., Lyons, J. & Zhou, C., May 22 2008, In : Nature. 453, 7194, p. 504-506 3 p.

Research output: Contribution to journalArticle

Oxygen Isotopes
Barium Sulfate
Atmosphere
Carbon Dioxide
Methane
11 Citations (Scopus)

Triton: Topside ionosphere and nitrogen escape

Yung, Y. L. & Lyons, J., Jan 1 1990, In : Geophysical Research Letters. 17, 10, p. 1717-1720 4 p.

Research output: Contribution to journalArticle

ionospheres
escape
ionosphere
nitrogen
ion
24 Citations (Scopus)

Unique Hg stable isotope signatures of compact fluorescent lamp-sourced Hg

Mead, C., Lyons, J., Johnson, T. M. & Anbar, A., Mar 19 2013, In : Environmental Science and Technology. 47, 6, p. 2542-2547 6 p.

Research output: Contribution to journalArticle

Fluorescent lamps
Isotopes
stable isotope
Fractionation
fractionation
6 Citations (Scopus)

VIS and VUV spectroscopy of 12C17O and deperturbation analysis of the A1Π, ν = 1-5 levels

Hakalla, R., Niu, M. L., Field, R. W., Salumbides, E. J., Heays, A. N., Stark, G., Lyons, J., Eidelsberg, M., Lemaire, J. L., Federman, S. R., Zachwieja, M., Szajna, W., Kolek, P., Piotrowska, I., Ostrowska-Kopeć, M., Kepa, R., De Oliveira, N. & Ubachs, W., Jan 1 2016, In : RSC Advances. 6, 38, p. 31588-31606 19 p.

Research output: Contribution to journalArticle

Ultraviolet spectroscopy
Orbits
Vacuum
Equilibrium constants
Synchrotrons
150 Citations (Scopus)

Voyager radio science observations of Neptune and Triton

Tyler, G. L., Sweetnam, D. N., Anderson, J. D., Borutzki, S. E., Campbell, J. K., Eshleman, V. R., Gresh, D. L., Gurrola, E. M., Hinson, D. P., Kawashima, N., Kursinski, E. R., Levy, G. S., Lindal, G. F., Lyons, J., Marouf, E. A., Rosen, P. A., Simpson, R. A. & Wood, G. E., Jan 1 1989, In : Science. 246, 4936, p. 1466-1473 8 p.

Research output: Contribution to journalArticle

Neptune (planet)
ionospheres
methane
occultation
mixing ratios
17 Citations (Scopus)

VULCAN: An Open-source, Validated Chemical Kinetics Python Code for Exoplanetary Atmospheres

Tsai, S. M., Lyons, J., Grosheintz, L., Rimmer, P. B., Kitzmann, D. & Heng, K., Feb 1 2017, In : Astrophysical Journal, Supplement Series. 228, 2, 20.

Research output: Contribution to journalArticle

reaction kinetics
quenching
disequilibrium
atmospheres
acetylene