Research Portal

Professor Yueng-Djern Lenn

Professor in Physical Oceanography

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ORCID: 0000-0001-6031-523X

Contact info

311 Craig Mair 
School of Ocean Sciences
Bangor University, Wales
Menai Bridge LL59 5AB
UK
 
tel:+44 1248388658
e-mail:y.lenn AT bangor.ac.uk
 
I am a polar physical oceanographer and my interests lie in understanding the physical processes integral to ocean overturning that impact climate in the polar oceans. My Southern Ocean research has focused on Drake Passage eddy heat and momentum fluxes, the surface Ekman layer that constitute the upper limb of the overturning circulation, and diapycnal mixing driving water mass transformation in the thermocline at the Antarctic continental slope. My Arctic research focuses on water mass transformations occurring in the continental shelf seas and along the Arctic continental slope that link the Arctic to the global overturning circulation, most recently investigating the role of different mixing mechanisms (i.e. double diffusion and turbulent mixing drive by tides or winds) in fluxing heat and other properties from the warm Atlantic Water into overlying Arctic halocline and mixed layer.   
 
I am also the schools liason for the School of Ocean Sciences, co-ordinating most school visits to Ocean Sciences by schools as well as providing support for colleagues who visit schools.  Other outreach events I support include school STEM Careers Fairs and other Science Fairs.  These activities include events organised in partnership with STEMCymru and other similar organisations seeking to promote STEM in Wales and beyond. 
 
Research Area:
 
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  1. Article › Research › Peer-reviewed
  2. Published

    Mean Jets, mesoscale variability and eddy momentum fluxes in the surface layer of the Antarctic Circumpolar Current in Drake Passage

    Lenn, Y.-D., Chereskin, T., Sprintall, J. & Firing, E., 1 Jan 2007, In: Journal of Marine Research. 65, 1, p. 27 58 p.

    Research output: Contribution to journal › Article › peer-review

  3. Published

    Mooring-Based Observations of Double-Diffusive Staircases over the Laptev Sea Slope

    Polyakov, I. V., Pnyushkov, A. V., Rember, R., Ivanov, V. V., Lenn, Y. D., Padman, L. & Carmack, E. C., 1 Jan 2012, In: Journal of Physical Oceanography. 42, 1, p. 95-109

    Research output: Contribution to journal › Article › peer-review

  4. Published

    Near-Surface Eddy Heat and Momentum Fluxes in the Antarctic Circumpolar Current in Drake Passag

    Lenn, Y.-D., Chereskin, T., Sprintall, J. & McClean, J., 1 Jul 2011, In: Journal of Physical Oceanography. 41, 7, p. 1385-1407

    Research output: Contribution to journal › Article › peer-review

  5. Published

    Observations of Ekman currents in the southern ocean.

    Lenn, Y. D. & Chereskin, T. K., 1 Mar 2009, In: Journal of Physical Oceanography. 39, 3, p. 768-779

    Research output: Contribution to journal › Article › peer-review

  6. Published

    Observations of a diapycnal shortcut to adiabatic upwelling of Antarctic Circumpolar Deep Water

    Silvester, J. M., Lenn, Y. D., Polton, J. A., Rippeth, T. P. & Maqueda, M. M., 25 Nov 2014, In: Geophysical Research Letters. 41, 22, p. 7950-7956

    Research output: Contribution to journal › Article › peer-review

  7. Published

    Observed atlantification of the Barents Sea causes the Polar Front to limit the expansion of winter sea ice

    Barton, B., Lenn, Y.-D. & Lique, C., 15 Aug 2018, In: Journal of Physical Oceanography.

    Research output: Contribution to journal › Article › peer-review

  8. Published

    On the Along-Slope Heat Loss of the Boundary Current in the Eastern Arctic Ocean

    Schulz, K., Janout, M. A., Lenn, Y.-D., Castillo, E. R., Polyakov, I., Mohrholz, V., Tippenhauer, S., Reeve, K., Holemann, J., Rabe, B. & Vredenborg, M., Feb 2021, In: Journal of Geophysical Research: Oceans. 126, 2, e2020JC016375.

    Research output: Contribution to journal › Article › peer-review

  9. Published

    On the Future of Argo: A Global, Full-Depth, Multi-Disciplinary Array

    Roemmich, D., Alford, M. H., Claustre, H., Johnson, K., King, B., Moum, J., Oke, P., Owens, W. B., Pouliquen, S., Purkey, S., Scanderbeg, M., Suga, T., Wijffels, S., Zilberman, N., Bakker, D., Baringer, M., Belbeoch, M., Bittig, H. C., Boss, E., Calil, P., Carse, F., Carval, T., Chai, F., Conchubhair, D. Ó., d’Ortenzio, F., Dall’Olmo, G., Desbruyeres, D., Fennel, K., Fer, I., Ferrari, R., Forget, G., Freeland, H., Fujiki, T., Gehlen, M., Greenan, B., Hallberg, R., Hibiya, T., Hosoda, S., Jayne, S., Jochum, M., Johnson, G. C., Kang, K., Kolodziejczyk, N., Körtzinger, A., Traon, P.-Y. L., Lenn, Y.-D., Maze, G., Mork, K. A., Morris, T., Nagai, T., Nash, J., Garabato, A. N., Olsen, A., Pattabhi, R. R., Prakash, S., Riser, S., Schmechtig, C., Schmid, C., Shroyer, E., Sterl, A., Sutton, P., Talley, L., Tanhua, T., Thierry, V., Thomalla, S., Toole, J., Troisi, A., Trull, T. W., Turton, J., Velez-Belchi, P. J., Walczowski, W., Wang, H., Wanninkhof, R., Waterhouse, A. F., Waterman, S., Watson, A., Wilson, C., Wong, A. P. S., Xu, J. & Yasuda, I., 2 Aug 2019, In: Frontiers in Marine Science. 6, 439

    Research output: Contribution to journal › Article › peer-review

  10. Published

    Semidiurnal Tides on the Laptev Sea Shelf with Implications for Shear and Vertical Mixing

    Janout, M. A. & Lenn, Y. D., 8 Jan 2014, In: Journal of Physical Oceanography. 44, 1, p. 202-219

    Research output: Contribution to journal › Article › peer-review

  11. Published

    Shear at the Base of the Oceanic Mixed Layer Generated by Wind Shear Alignment

    Brannigan, L., Lenn, Y. D., Rippeth, T. P., McDonough, E., Chereskin, T. K. & Sprintall, J., 1 Aug 2013, In: Journal of Physical Oceanography. 43, 8, p. 1798-1810

    Research output: Contribution to journal › Article › peer-review

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