Publications

Selected publications:

Kok, J. F., D. A. Ridley, Q. Zhou, R. L. Miller, C. Zhao, C. L. Heald, D. S. Ward, S. Albani, and K. Haustein (2017), Smaller desert dust cooling effect estimated from analysis of dust size and abundance, Nature Geoscience, 10, 274-8. Link. Commentary.

Martin, R. L., and J. F. Kok (2017), Wind-invariant saltation heights imply linear scaling of aeolian saltation flux with shear stress, Science Advances, 3, e1602569. PDF.

Ridley, D. A., C. L. Heald, J. F. Kok, and C. Zhao (2016), An Observationally-Constrained estimate of Global Dust AOD, Atmospheric Chemistry and Physics, 16, 15,097-117. Link.

Kok, J. F., S. Albani, N. M. Mahowald, and D. S. Ward (2014), An improved dust emission model – Part 2: Evaluation in the Community Earth System Model, with implications for the use of dust source functions, Atmospheric Chemistry and Physics, 14, 13,043-61. Link.

Kok, J. F., N. M. Mahowald, G. Fratini, J. A. Gillies, M. Ishizuka, J. Leys, M. Mikami, M.-S. Park, S.-U. Park, R. S. Van Pelt, and T. M. Zobeck (2014), An improved dust emission model – Part 1: Model description and comparison against measurements, Atmospheric Chemistry and Physics, 14, 13,023-41. Link.

Kok, J. F., E. J. R. Parteli, T. I. Michaels, and D. Bou Karam (2012), The physics of wind-blown sand and dust, Reports on Progress in Physics, 75, 106901 (72 pp). PDF.

Kok, J. F. (2011), A scaling theory for the size distribution of emitted dust aerosols suggests climate models underestimate the size of the global dust cycle, Proceedings of the National Academy of Sciences (PNAS), 108(3), 1016-21. PDF.

Kok, J. F. (2010), Difference in wind speeds required for initiation versus continuation of sand transport on Mars: Implications for dunes and dust storms, Physical Review Letters, 104, 074502. PDF.

Kok, J. F., and N. O. Renno (2009), A comprehensive numerical model of steady-state saltation (COMSALT), Journal of Geophysical Research – Atmospheres, 114, D17204. PDF.

Kok, J. F., and N. O. Renno (2008), Electrostatics in wind-blown sand, Physical Review Letters, 100, 014501. (This paper was the subject of a “News & Views” article in Nature, 451, 773-4, 2008PDF.

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All publications (postdocs, (visiting) graduate students):

51. Martin, R. L., and J. F. Kok, Equal susceptibility and size-selective mobility in aeolian saltation, arXiv:1707.09964, in review. PDF.

50. Martin, R. L., J. F. Kok, C. H. Hugenholtz, T. E. Barchyn, M. Chamecki, and J. T. Ellis, High-frequency measurements of aeolian saltation flux: Field-based methodology and applications, arXiv:1609.08707, in review. PDF.

49. Martin, R. L., and J. F. Kok, Field measurements demonstrate distinct initiation and cessation thresholds governing aeolian sediment transport flux, arXiv:1610.10059, in review. PDF.

48. Sullivan, R., and J. F. Kok, Aeolian saltation on Mars at low wind speeds, Journal of Geophysical Research – Planets, doi:10.1002/2017JE005275, Link.

47. Martin, R. L., and J. F. Kok (2017), Wind-invariant saltation heights imply linear scaling of aeolian saltation flux with shear stress, Science Advances, 3, e1602569. PDF.

46. Comola, F., J. F. Kok, J. Gaume, E. Paterna, and M. Lehning (2017), Fragmentation of wind-blown snow crystals, Geophysical Research Letters, 44, 4195-4203, doi:10.1002/2017GL073039. PDF.

45. Ito, A. and J. F. Kok (2017), Dust emissions from sparsely vegetated areas: Seasonality in iron supply to the Southern Ocean, Journal of Geophysical Research – Atmospheres, 122, 3987-4002. PDF.

44. Kok, J. F., D. A. Ridley, Q. Zhou, R. L. Miller, C. Zhao, C. L. Heald, D. S. Ward, S. Albani, and K. Haustein (2017), Smaller desert dust cooling effect estimated from analysis of dust size and abundance, Nature Geoscience, doi:10.1038/ngeo2912. Link. Commentary.

—————————————————————–2016—————————————————————-

43. Ridley, D. A., C. L. Heald, J. F. Kok, and C. Zhao (2016), An Observationally-Constrained estimate of Global Dust AOD, Atmospheric Chemistry and Physics, 16, 15,097-117. Link.

42. Neakrase, L. D. V., M. R. Balme, F. Esposito, T. Kelling, M. Klose, J. F. Kok, B. Marticorena, J. Merrison, M. Patel, and G. Wurm (2016), Particle lifting processes in dust devils, Space Science Reviews, 203, 347-76. PDF.

41. Schmerler, E., I. Katra, J. F. Kok, H. Tsoar, and H. Yizhaq (2016), Experimental and numerical study of Sharp’s shadow zone hypothesis on sand ripple wavelength, Aeolian Research, 22, 37-46. PDF.

40. Újvári, G., J. F. Kok, G. Varga, and J. Kovács (2016), The physics of wind-blown loess: Implications for grain size proxy interpretations in Quaternary paleoclimate studies, Earth Science Reviews, 154, 247-78. PDF.

—————————————————————–2015—————————————————————-

39. Zhang, Y. N. Mahowald, R. A. Scanza, E. Journet, K. Desboeufs, S. Albani, J. F. Kok, G. Zhuang, Y. Chen, D. D. Cohen, A. Paytan, M. D. Patey, E. P. Achterberg, J. P. Engelbrecht, and K. W. Fomba (2015), Modeling the Global Emission, Transport and Deposition of Trace Elements associated with Mineral Dust, Biogeosciences, 12, 5771-92. Link.

38. Shao, Y., W. Nickling, G. Bergametti, H. Butler, A. Chappell, P. Findlater, J. Gillies, M. Ishizuka, M. Klose, J. F. Kok, J. Leys, H. Lu, B. Marticorena, G. McTainsh, C. McKenna-Neuman, G. Okin, C. Strong, and N. Webb (2015), A Tribute to Michael R. Raupach for Contributions to Aeolian Fluid Dynamics, Aeolian Research, 19, 37-54. PDF.

37. Pähtz, T, O. Duran, T.-D. Ho, A. Valance, and J. F. Kok (2015), The fluctuation energy balance in non-suspended fluid-mediated particle transport, Physics of Fluids, 27, 013303. PDF.

36. Scanza, R. A., N. Mahowald, S. Ghan, C. S. Zender, J. F. Kok, X. Liu, Y. Zhang, and S. Albani (2015), Modeling dust as component minerals in the Community Atmosphere Model: development of framework and impact on radiative forcing, Atmospheric Chemistry and Physics, 15, 537-61. Link.

—————————————————————–2014—————————————————————-

35. Kok, J. F., S. Albani, N. M. Mahowald, and D. S. Ward (2014), An improved dust emission model -Part 2: Evaluation in the Community Earth System Model, with implications for the use of dust source functions, Atmospheric Chemistry and Physics, 14, 13,043-61. Link.

34. Kok, J. F., N. M. Mahowald, G. Fratini, J. A. Gillies, M. Ishizuka, J. Leys, M. Mikami, M.-S. Park, S.-U. Park, R. S. Van Pelt, and T. M. Zobeck (2014), An improved dust emission model – Part 1: Model description and comparison against measurements, Atmospheric Chemistry and Physics, 14, 13,023-41. Link.

33. Barchyn, T. E., R. L. Martin, J. F. Kok, and C. H. Hugenholtz (2014), Fundamental mismatches between measurements and models in aeolian sediment transport prediction: The role of small-scale variability, Aeolian Research, 15, 245-51, DOI: 10.1016/j.aeolia.2014.07.002. PDF.

32. Albani, S., N. M. Mahowald, A. T. Perry, R. A. Scanza, C. S. Zender, N. G. Heavens, V. Maggi, J. F. Kok, and B. L. Otto-Bliesner (2014), Improved dust representation in the Community Atmosphere Model, Journal of Advances in Modeling Earth Systems, 6, 541-570, DOI: 10.1002/2013MS000279. PDF.

31. Mahowald, N. M., S. Albani, J. F. Kok, S. Engelstader, R. Scanza, D. S. Ward, and M. Flanner (2014), The size distribution of desert dust aerosols and its impact on the Earth system, Aeolian Research, 15, 53-71, DOI: 10.1016/j.aeolia.2013.09.002. PDF.

30. Pähtz, T, E. J. R. Parteli, J. F. Kok, and H. J. Herrmann (2014), Analytical model for flux saturation in sediment transport, Physical Review E, 89, 052213. PDF.

29. Katra, I., H. Yizhaq, and J. F. Kok (2014), Mechanisms limiting the growth of aeolian megaripples, Geophysical Research Letters, 41, 858-65. PDF.

28. H. Yizhaq, J. F. Kok, and I. Katra (2014), Basaltic sand ripples at Eagle crater as indirect evidence for the hysteresis effect in martian saltation, Icarus, 230, 143-50. PDF.

—————————————————————–2013—————————————————————-

27. N. O. Renno, D. Halleaux, H. Elliott, and J. F. Kok (2013), The lifting of aerosols and their effects on atmospheric dynamics, in Comparative Climatology of Terrestrial Planets, 355 – 67, Eds. S. J. Mackwell et al., University of Arizona Press, Tucson. Link.

26. Pähtz, T, J. F. Kok, E. J. R. Parteli, and H. J. Herrmann (2013), Flux saturation length of sediment transport, Physical Review Letters, 111, 218002. PDF.

25. C. Zhao, S. Chen, L. R. Leung, Y. Qian, J. F. Kok, R. Zaveri, and J. Huang (2013), Uncertainty in modeling dust mass balance and radiative forcing from size parameterization, Atmospheric Chemistry and Physics, 13, 10733-53. Link.

24. Zhang, L., J. F. Kok, D. K. Henze, Q. Li, and C. Zhao (2013), Improving Simulations of Fine Dust Surface Concentrations over the Western United States by Optimizing the Particle Size Distribution, Geophysical Research Letters, 40, 3270-5. PDF.

—————————————————————–2012—————————————————————–

23. Nabat, P., F. Solmon, M. Mallet, J. F. Kok, and S. Somot (2012), Dust emission size distribution impact on aerosol budget and radiative forcing over the Mediterranean region: a regional climate model approach, Atmospheric Chemistry and Physics, 12, 10545-67. Link.

22. Kok, J. F., E. J. R. Parteli, T. I. Michaels, and D. Bou Karam (2012), The physics of wind-blown sand and dust, Reports on Progress in Physics, 75, 106901 (72 pp). PDF.

21. Pähtz, T, J. F. Kok, and H. J. Herrmann (2012), The apparent roughness of a sand surface blown by wind from an analytical model of saltation, New Journal of Physics, 14, 043035. PDF.

20. Yizhaq, H., I. Katra, J. F. Kok, and O. Isenberg (2012), Transverse instability of megaripples, Geology, 40, 459-62. PDF.

19. Kok, J. (2012), Planetary science: Martian sand blowing in the wind, Nature, 485, 312-3. PDF.

18. Ito, A., J. F. Kok, Y. Feng, and J. E. Penner (2012), Does a theoretical estimation of the dust size distribution at emission suggest more bioavailable iron deposition?, Geophysical Research Letters, 39, L05807. PDF.

—————————————————————–2011—————————————————————–

17. Kok, J. F. (2011), Does the size distribution of mineral dust aerosols depend on the wind speed at emission?, Atmospheric Chemistry and Physics, 11, 10149-56. Link.

16. Kok, J. F. (2011), A scaling theory for the size distribution of emitted dust aerosols suggests climate models underestimate the size of the global dust cycle, Proceedings of the National Academy of Sciences (PNAS), 108(3), 1016-021. PDF.

15. Isenberg, O., H. Yizhaq, H. Tsoar, R. Wenkart, A. Karnieli, J. F. Kok, and I. Katra (2011), Megaripple flattening due to strong winds, Geomorphology, 131, 69-84. PDF.

14. M. Mehta, N. O. Renno, J. Marshall, M. R. Grover, A. Sengupta, N. A. Rusche, J. F. Kok, R. E. Arvidson, W. J. Markiewicz, M. Lemmon, and P. H. Smith (2011), Explosive erosion during the Phoenix landing exposes subsurface water on Mars, Icarus, 211, 172-194. PDF.

—————————————————————–2010—————————————————————–

13. Kok, J. F. (2010), An improved parameterization of wind-blown sand flux on Mars that includes the effect of hysteresis, Geophysical Research Letters, 37, L12202. PDF.

12. Kok, J. F. (2010), Difference in wind speeds required for initiation versus continuation of sand transport on Mars: Implications for dunes and dust storms, Physical Review Letters, 104, 074502. PDF.

—————————————————————–2009—————————————————————–

11. N. O. Renno, …, J. F. Kok, … (2009), Possible physical and thermodynamical evidence for liquid water at the Phoenix landing site, Journal of Geophysical Research – Planets, 114, E00E03. PDF.

10. Kok, J. F., and N. O. Renno (2009), A comprehensive numerical model of steady-state saltation (COMSALT), Journal of Geophysical Research – Atmospheres, 114, D17204. PDF.

9. Ruf, C., N. O. Renno, J. F. Kok, E. Bandelier, M. J. Sanders, S. Gross, L. Skjerve, B. Cantor (2009), The emission of non-thermal radiation by a Martian dust storm, Geophysical Research Letters, 36, L13202. (This paper was selected by the editors as an American Geophysical Union Journal Highlight.PDF.

8. Kok, J. F., and D. J. Lacks (2009), Electrification of granular systems of identical insulators, Physical Review E, 79, 051304. PDF.

7. Kok, J. F., and N. O. Renno (2009), Electrification of wind-blown sand on Mars and its implications for atmospheric chemistry, Geophysical Research Letters, 36, L05202. PDF.

6. Rasmussen, K. R., J. F. Kok, and J. P. Merrison (2009), Enhancement in wind driven sand transport by electric fields, Planetary and Space Science, 57, 804-808. PDF.

—————————————————————–2008—————————————————————–

5. Renno, N. O., and J. F. Kok (2008), Electrical activity and dust lifting on Earth, Mars, and beyond, Space Science Reviews, 137(1-4), 419-434. PDF.

4. Kok, J. F., and N. O. Renno (2008), Electrostatics in wind-blown sand, Physical Review Letters, 100, 014501. (This paper was the subject of a “News & Views” article in Nature, 451, 773-4, 2008PDF.

3. Kok, J. F., and N. O. Renno (2008), The effects of electric forces on dust lifting: Preliminary studies with a numerical model, Journal of Physics Conference Series, 142, 012047.

2. Renno, N. O., J. F. Kok, H. Kirkham, and S. Rogacki (2008), A miniature sensor for electrical field measurements in dusty planetary atmospheres, Journal of Physics Conference Series, 142, 012075. PDF.

—————————————————————–2006—————————————————————–

1. Kok, J. F., and N. O. Renno (2006), Enhancement of the emission of mineral dust aerosols by electric forces, Geophysical Research Letters, 33, L19S10. (This paper was selected by the editors as an American Geophysical Union Journal Highlight) PDF.