Professor Yueng-Djern Lenn

Professor in Physical Oceanography

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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:
 
  1. 2022
  2. Published

    An Ice-Ocean Model Study of the Mid-2000s Regime Change in the Barents Sea

    Barton, B., Lique, C., Lenn, Y-D. & Talandier, C., 3 Nov 2022, In: Journal of Geophysical Research: Oceans. 127, 11, e2021JC018280.

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Introducing the Oceans

    Lenn, Y-D., Nehama, F. & Mavume, A., 13 Sept 2022, Journey Through Tides. Green, M. & Duarte, J. (eds.). Elsevier

    Research output: Chapter in Book/Report/Conference proceedingChapter

  4. Published

    Eddies and the distribution of Eddy Kinetic Energy in the Arctic Ocean

    von Appen, W., Baumann, T. M., Janout, M., Koldunov, N., Lenn, Y-D., Pickart, R., Scott, R. & Wang, Q., 27 Apr 2022, In: Oceanography. 35, 2

    Research output: Contribution to journalArticlepeer-review

  5. Published

    Increasing nutrient fluxes and mixing regime changes in the eastern Arctic Ocean

    Shultz, K., Lincoln, B., Povazhnyy, V., Rippeth, T., Lenn, Y-D., Janout, M., Alkire, M., Scannell, B. & Torres-Valdes, S., 16 Mar 2022, In: Geophysical Research Letters. 49, 5, e2021GL096152.

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Impact of acoustic Doppler current profiler (ADCP) motion on structure function estimates of turbulent kinetic energy dissipation rate

    Scannell, B., Lenn, Y-D. & Rippeth, T., 3 Feb 2022, In: Ocean Science. 18, 1, p. 169–192

    Research output: Contribution to journalArticlepeer-review

  7. 2021
  8. Published

    Mixing in the Arctic Ocean

    Lenn, Y-D., Fer, I., Timmermans, M-L. & MacKinnon, J. A., 5 Oct 2021, Ocean Mixing: Drivers, Mechanisms, Impacts. Meredith, M. & Garabato, A. (eds.). Elsevier, p. 275-299

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

  9. Published

    A warm Jet in a cold ocean

    MacKinnon, J., Lenn, Y-D., Simmons, H. L., Hargrove, J., Thomson, J., Peacock, T., Alford, M. H., Barton, B. I., Boury, S., Brenner, S. D., Couto, N., Danielson, S. L., Fine, E. C., Graber, H. C., Guthrie, J., Hopkins, J. E., Jayne, S. R., Jeon, C., Klenz, T., Lee, C. M., Lucas, A. J., Lund, B., Mahaffey, C., Norman, L., Rainville, L., Smith, M. M., Thomas, L. N., Torres-Valdes, S. & Wood, K. R., 23 Apr 2021, In: Nature Communications. 12, 1, p. 2418

    Research output: Contribution to journalArticlepeer-review

  10. Published

    30-Second Oceans

    Lenn, Y-D. (ed.) & Green, M. (ed.), 21 Mar 2021, The Ivy Press. 160 p. (30-Second....)

    Research output: Book/ReportBook

  11. 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 journalArticlepeer-review

  12. 2020
  13. Published

    Water mass properties derived from satellite observations in the Barents Sea

    Barton, B., Lique, C. & Lenn, Y-D., Aug 2020, In: Journal of Geophysical Research: Oceans. 125, 8, e2019JC015449.

    Research output: Contribution to journalArticlepeer-review

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