Publications

1. Ledwell, J. R. (1984), The variation of the gas transfer coefficient with molecular diffusivity, in Gas Transfer at Water Surfaces, edited by W. Brutsaert and G. H. Jirka, pp. 293–302, Reidel, Dordrecht, Netherlands.

2. Wanninkhof, R., J. R. Ledwell, and W. S. Broecker (1985), Gas exchange-wind speed relation measured with sulfur hexafluoride on a lake, Science, 227(4691), 1224–1226, doi:10.1126/science.227.4691.1224.

3. Smethie, W. M., Jr., T. Takahashi, D. W. Chipman, and J. R. Ledwell (1985), Gas exchange and CO₂ flux in the tropical Atlantic Ocean determined from ²²²Rn and _pCO₂ measurements, J. Geophys. Res., 90(C4), 7005–7022, doi:10.1029/JC090iC04p07005.

4. Ledwell, J. R., A. J. Watson, and W. S. Broecker (1986), A deliberate tracer experiment in Santa Monica Basin, Nature, 323(6086), 322–324, doi:10.1038/323322a0.

5. Broecker, W. S., J. R. Ledwell, T. Takahashi, R. Weiss, L. Merlivat, L. Memery, T.-H. Peng, B. Jahne, and K. O. Munnich (1986), Isotope versus micrometeorological ocean CO₂ fluxes: A serious conflict, J. Geophys. Res., 91(C9), 10517–10527, doi:10.1029/JC091iC09p10517.

6. Watson, A. J., M. I. Liddicoat, and J. R. Ledwell (1987), Perfluorodecalin and sulfur hexafluoride as purposeful marine tracers: Some deployment and analysis techniques, Deep Sea Res. Part A, 34(1), 19–31, doi:http://dx.doi.org/10.1016/0198-0149(87)90118-X.

7. Wanninkhof, R., J. R. Ledwell, W. S. Broecker, and M. Hamilton (1987), Gas exchange on Mono Lake and Crowley Lake, California, J. Geophys. Res., 92(C13), 14567–14580, doi:10.1029/JC092iC13p14567.

8. Opdyke, B. N., G. Gust, and J. R. Ledwell (1987), Mass transfer from smooth alabaster surfaces in turbulent flows, Geophys. Res. Lett., 14(11), 1131–1134, doi:10.1029/GL014i011p01131.

9. Watson, A. J., J. R. Ledwell, D. J. Webb, and C. Wunsch (1988), Purposefully released tracers [and Discussion], Phil. Trans. R. Soc. Lond. A, 325(1583), 189–200, doi:http://www.jstor.org/stable/38109.

10. Ledwell, J. R., and A. J. Watson (1988), The use of deliberately injected tracers for the study of diapycnal mixing in the ocean, in Small-Scale Turbulence and Mixing in the Ocean, Proceedings of the 19th International Liège Colloquium on Ocean Hydrodynamics, Liège, Belgium, 4–8 May 1987, edited by J. C. J. Nihoul and B. M. Jamart, vol. 46, pp. 11–20, Elsevier, Amsterdam.

11. Watson, A. J., J. R. Ledwell, and S. C. Sutherland (1991), The Santa Monica Basin tracer experiment: Comparison of release methods and performance of perfluorodecalin and sulfur hexafluoride, J. Geophys. Res., 96(C5), 8719–8725, doi:10.1029/91JC00105.

12. Wanninkhof, R., J. R. Ledwell, and A. J. Watson (1991), Analysis of sulfur hexafluoride in seawater, J. Geophys. Res., 96(C5), 8733–8740, doi:10.1029/91JC00104.

13. Ledwell, J. R., A. J. Watson, K. W. Doherty, and W. M. Berelson (1991), Integrating samplers for the deep sea, J. Geophys. Res., 96(C5), 8727–8732, doi:10.1029/91JC00103.

14. Ledwell, J. R. and A. J. Watson (1991), The Santa Monica Basin tracer experiment: A study of  diapycnal and isopycnal mixing, J. Geophys. Res., 96(C5), 8695–8718, doi:10.1029/91JC00102.

15. Ledwell, J. R., A. J. Watson, and C. S. Law (1993), Evidence for slow mixing across the pycnocline from an open ocean tracer release experiment, Nature, 364(6439), 701–703, doi:10.1038/364701a0.

16. Ledwell, J. R., and B. M. Hickey (1995), Evidence for enhanced boundary mixing in Santa Monica Basin, J. Geophys. Res., 100(C10), 20665–20679, doi:10.1029/94JC01182.

17. Ledwell, J. R., and A. Bratkovich (1995), A tracer study of mixing in Santa Cruz Basin, J. Geophys. Res., 100(C10), 20681–20704, doi:10.1029/95JC02164.

18. Polzin, K. L., J. M. Toole, J. R. Ledwell, and R. W. Schmitt (1997), Spatial variability of turbulent mixing in the abyssal ocean, Science, 276(5309), 93–96, doi:10.1126/science.276.5309.93.

19. Ledwell, J. R., A. J. Watson, and C. S. Law (1998), Mixing of a tracer in the pycnocline, J. Geophys. Res., 103(C10), 21499–21529, doi:10.1029/98JC01738.

20. Watson, A. J., M.-J. Messias, E. Fogelqvist, K. A. Van Scoy, T. Johannessen, K. I. C. Oliver, D. P. Stevens, F. Rey, T. Tanhua, K. A. Olsson, F. Carse, K. Simonsen, J. R. Ledwell, E. Jansen, D. J. Cooper, J. A. Kruepke, and E. Guilyardi (1999), Mixing and convection in the Greenland Sea from a tracer-release experiment, Nature, 401(6756), 902–904, doi:10.1038/44807.

21. Watson, A. J., and J. R. Ledwell (2000), Oceanographic tracer release experiments using sulfur hexafluoride, J. Geophys. Res., 105(C6), 14325–14337, doi:10.1029/1999JC900272.

22. Ledwell, J. R., E. T. Montgomery, K. L. Polzin, L. C. St. Laurent, R. W. Schmitt, and J. M. Toole (2000), Evidence for enhanced mixing over rough topography in the abyssal ocean, Nature, 403(6766), 179–182, doi:10.1038/35003164.

23. Sundermeyer, M. A., and J. R. Ledwell (2001), Lateral dispersion over the continental shelf: Analysis of dye-release experiments, J. Geophys. Res., 106(C5), 9603–9622, doi:10.1029/2000JC900138.

24. Lynch, D. R., et al. (2001), Real-time data assimilative modeling on Georges Bank, Oceanography, 14(1), 65–77, doi:http://dx.doi.org/10.5670/oceanog.2001.50.

25. Ledwell, J. R., T. F. Duda, M. A. Sundermeyer, and H. E. Seim (2004), Mixing in a coastal environment: 1. A view from dye dispersion, J. Geophys. Res., 109, C10013, 20 pp., doi:10.1029/2003JC002194.

26. Thurnherr, A. M., L. C. St. Laurent, K. G. Speer, J. M. Toole, and J. R. Ledwell (2005), Mixing associated with sills in a canyon on the mid-ocean ridge flank, J. Phys. Oceanogr., 35(8), 1370–1381, doi:http://dx.doi.org/10.1175/JPO2773.1.

27. Sundermeyer, M. A., J. R. Ledwell, N. S. Oakey, and B. J. W. Greenan (2005), Stirring by small-scale vortices caused by patchy mixing, J. Phys. Oceanogr., 35(7), 1245–1262, doi:http://dx.doi.org/10.1175/JPO2713.1.

28. Schmitt, R. W., J. R. Ledwell, E. T. Montgomery, K. L. Polzin, and J. M. Toole (2005), Enhanced diapycnal mixing by salt fingers in the thermocline of the Tropical Atlantic, Science, 308(5722), 685–688, doi:10.1126/science.1108678.

29. Proehl, J. A., D. R. Lynch, D. J. McGillicuddy Jr., J. R. Ledwell (2005), Modeling turbulent dispersion on the North Flank of Georges Bank using Lagrangian particle methods, Cont. Shelf Res., 25(7-8), 875–900, doi:http://dx.doi.org/10.1016/j.csr.2004.09.022.

30. Terray, E. A., J. R. Ledwell, M. A. Sundermeyer, T. Donoghue, S. Bobra, A. G. Cunningham, P. E. LaRoque, J. Banic, W. J. Lillycrop, and C. E. Wiggins (2005), Airborne fluorescence imaging of the ocean mixed layer, in Proceedings, 2005 IEEE/OES/CMTC Eighth Working Conference on Current Measurement Technology (CMTC), Southampton, U.K, 28–29 June, pp. 76–81, doi:10.1109/CCM.2005.1506341.

31. Sundermeyer, M. A., E. A. Terray, J. R. Ledwell, A. G. Cunningham, P. E. LaRocque, J. Banic, and W. J. Lillycrop (2007), Three-dimensional mapping of fluorescent dye using a scanning, depth-resolving airborne Lidar, J. Atmos. Oceanic Technol., 24(6), 1050–1065, doi:http://dx.doi.org/10.1175/JTECH2027.1.

32. McGillicuddy, D. J., Jr., L. A. Anderson, N. R. Bates, T. Bibby, K. O. Buesseler, C. Carlson, C. S. Davis, C. Ewart, P. G. Falkowski, S. A. Goldthwait, D. A. Hansell, W. J. Jenkins, R. Johnson, V. K. Kosnyrev, J. R. Ledwell, Q. P. Li, D. A. Siegel, and D. K. Steinberg (2007), Eddy-wind interactions stimulate extraordinary mid-ocean plankton blooms, Science, 316(5827), 1021–1026, doi:10.1126/science.1136256.

33. Messias M-J., A. J. Watson, T. Johannessen, K. I. C. Oliver, K. A. Olsson, E. Fogelqvist, J. Olafsson, S. Bacon, J. Balle, N. Bergman, G. Budéus, M. Danielsen, J.-C. Gascard, E. Jeansson, S. R. Ólafsdóttir, K. Simonsen, T. Tanhua, K. Van Scoy, and J. R. Ledwell (2008), The Greenland Sea tracer experiment 1996-2002: Horizontal mixing and transport of Greenland Sea Intermediate Water, Prog. Oceanogr., 78, 85–105, doi:10.1016/j.pocean.2007.06.005.

34. Ledwell, J. R., D. J. McGillicuddy Jr., and L. A. Anderson (2008), Nutrient flux into an intense deep chlorophyll layer in a mode-water eddy, Deep Sea Res. Part II, 55(10-13), 1139–1160, doi:10.1016/j.dsr2.2008.02.005.

35. Ho, D. T., J. R. Ledwell, and W. M. Smethie, Jr. (2008), Use of SF₅CF₃ for ocean tracer release experiments, Geophys. Res. Lett., 35(4), L04602, 5 pp., doi:10.1029/2007GL032799.

36. Lavelle, J. W., A. M. Thurnherr, J. R. Ledwell, D. J. McGillicuddy Jr., and L. S. Mullineaux (2010), Deep ocean circulation and transport where the East Pacific Rise at 9-10°N meets the Lamont seamount chain, J. Geophys. Res., 115, C12073, 25 pp., doi:10.1029/2010JC006426.

37. Jackson, P. R., J. R. Ledwell, and A. M. Thurnherr (2010), Dispersion of a tracer on the East Pacific Rise (9°N to 10°N), including the influence of hydrothermal plumes, Deep-Sea Res. Part I, 57(1), 37–52, doi:http://dx.doi.org/10.1016/j.dsr.2009.10.011.

38. Thurnherr, A. M., J. R. Ledwell, J. W. Lavelle, and L. S. Mullineaux (2011), Hydrography and circulation near the crest of the East Pacific Rise between 9°N and 10°N, Deep Sea Res. Part I, 58, 365–376, doi:http://dx.doi.org/10.1016/j.dsr.2011.01.009.

39. Ledwell, J. R., L. C. St. Laurent, J. B. Girton, and J. M. Toole (2011), Diapycnal mixing in the Antarctic Circumpolar Current, J. Phys. Oceanogr., 41, 241–246, doi:http://dx.doi.org/10.1175/2010JPO4557.1.

40. Lavelle, J. W., A. M. Thurnherr, L. S. Mullineaux, D. J. McGillicuddy Jr., and J. R. Ledwell (2012), The prediction, verification, and significance of flank jets at mid-ocean ridges, Oceanography, 25(1), 277–283, doi:http://dx.doi.org/10.5670/oceanog.2012.26.

41. Rye, C. D., M.-J. Messias., J. R. Ledwell, A. J. Watson, A. Brousseau, and B. A. King (2012), Diapycnal diffusitivities from a tracer release experiment in the deep sea, integrated over 13 years, Geophys. Res. Lett., 39(4), L04603, 4 pp., doi:10.1029/2011GL050294.

42. St. Laurent, L., A. C. Naveira Garabato, J. R. Ledwell, A. M. Thurnherr, J. M. Toole, and A. J. Watson (2012), Turbulence and diapycnal mixing in Drake Passage, J. Phys. Oceanogr., 42, 2143–2152, doi:http://dx.doi.org/10.1175/JPO-D-12-027.1.

43. Mullineaux, L. S., D. J. McGillicuddy Jr., S. W. Mills, V. K. Kosneyrev, A. M. Thurnherr, J. R. Ledwell, and J. W. Lavelle (2013), Active positioning of vent larvae at a mid-ocean ridge, Deep-Sea Res. Part II, 92, 46–57, doi:http://dx.doi.org/10.1016/j.dsr2.2013.03.032.

44. Sheen, K. L., J. A. Brearley, A. C. Naveira Garabato, D. A. Smeed, S. Waterman, J. R. Ledwell, M. P. Meredith, L. St. Laurent, A. M. Thurnherr, J. M. Toole, and A. J. Watson (2013), Rates and mechanisms of turbulent dissipation and mixing in the Southern Ocean: Results from the Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (DIMES), J. Geophys. Res. Oceans, 118, 2774–2792, doi:10.1002/jgrc.20217.

45. Watson, A. J., J. R. Ledwell, M.-J. Messias, N. Mackay, M. P. Meredith, B. Mills, and A. C. Naveira Garabato (2013), Rapid cross-density ocean mixing at mid depths in Drake Passage, Nature, 501(7467), 408–411, doi:10.1038/nature12432.