THEORY SEMINAR SPRING 2019

SIO 219, 2 units S/U
Professor Paola Cessi
pcessi at ucsd dot edu
Phone: 858 534 0622
Office: Keck room 366 - this is on the 3rd floor of Keck, south-west corner.

Meetings Friday 2:30-4:30pm, Keck Conference Room (Keck-150)

Description The theme of the theory seminar this quarter is "Lagrangian Ocean Analysis". There'll be a mixture of research seminars and student-led presentations of key papers. Students are encouraged to register for the class, and participation by interested post-docs and faculty is very welcome.

Course Requirements Students should register as S/U. Registered students are expected to present at least one paper during the quarter (70% weight in grading) and participate in the discussion each week (30% weight in grading). A prepared written question for the speaker by each registered student (unless presenting) is required at the start of each class.

The reading list below is under development. Participants are encouraged to suggest papers that they like to read and discuss.

READING LIST

1a. Rick Salmon Lectures on Geophysical Fluid Dynamics. Chapter 1, pages 1-7.

1b. Andrew Bennett. Lagrangian Fluid Dynamics. Chapter 1. Cambridge University Press.

1c. Blanke, B., Speich, S., 2002. A global diagnostic of interior ocean ventilation. Geophys. Res. Lett. 29, 1–4.

1d.Speich, S., Blanke, B., 2001. Warm and cold water routes of an O.G.C.M. thermohaline Conveyor Belt. Geophys. Res. Lett. 28, 311–314.

2. Rick Salmon Lectures on Geophysical Fluid Dynamics, Chapter 1.

3a. Döös, K., 1995. Inter-ocean exchange of water masses. J. Geophys. Res. 100, 13499–13514.

3b. Döös, K., Jönsson, B., Kjellsson, J., 2017. Evaluation of oceanic and atmospheric trajectory schemes in the TRACMASS trajectory model v6.0. Geosci. Model Dev. 10, 1733–1749.

3c. Blanke, B., S. Raynaud, 1997. Kinematics of the Pacific Equatorial Undercurrent: An Eulerian and Lagrangian Approach from GCM Results. J. Phys. Oceanogr. 27, 1038–1053.

4a. Gardiner, 1985. Handbook of stochastic methods. Chapter 1.

4b. Gardiner, 1985. Handbook of stochastic methods. Chapter 4: pages 80-83 and 92-96.

4c. Koszalka, I. et al., 2013. In pursuit of anomalies—Analyzing the poleward transport of Atlantic Water with surface drifters. Deep-Sea Research II, vol. 85, 96–108.

5. LaCasce, J., 2008. Statistics from lagrangian observations. Prog. Oceanogr. 77 (1), 1–17. Single particle statistics

6. LaCasce, J., 2008. Statistics from lagrangian observations. Prog. Oceanogr. 77 (1), 17–29. Multiple particles

7a. Salmon, R., 2014: Analogous formulation of electrodynamics and two-dimensional fluid dynamics. J. Fluid Mech. (2014), vol. 761, R-2.

7b. Salmon, R., 2016: Variational treatment of inertia–gravity waves interacting with a quasi-geostrophic mean flow J. Fluid Mech., vol. 809, pp. 502–529.

8a. van Sebille E. et al, 2018. Lagrangian ocean analysis: Fundamentals and practices. Ocean Modelling 121 (2018) 49–75.

8b. van Sebille E. et al, 2012. Origin, dynamics and evolution of ocean garbage patches from observed surface drifters. Environ. Res. Lett. 7.

9a. Drake, H.F. et al, 2018. Lagrangian timescales of Southern Ocean upwelling in a hierarchy of model resolutions. Geophysical Research Letters, 45, 891–898.

9b. Rhus, S. et al 2018. Cold vs. warm water route — sources for the upper limb of the AMOC revisited in a high-resolution ocean model. Ocean Sci. Discuss., Manuscript under review for journal Ocean Sci. Discussion started: 7 December 2018

9c. Tamsitt, V. et al., 2018. Transformation of deep water masses along Lagrangian upwelling pathways in the Southern Ocean. Journal of Geophysical Research: Oceans, 123, 1994–2017.

9d. Tamsitt, V. et al., 2017. Spiraling pathways of global deep waters to the surface of the Southern Ocean. Nature Communications, Vol. 8:172.

SCHEDULE

• April 5, 2019: Organizational meeting.

• April 12, 2019: Paola Cessi. Fundamentals of Lagrangian analysis and its applications. Book chapters 1a and 1b and paper 1c. The first presentation.

• April 19, 2019: Rick Salmon: Lagrangian methods in fluid mechanics. Primary reading is paper 2. The second presentation.

• April 26, 2019: Alice Ren: Using virtual particles for water pathways. Primary reading are papers 3a and 3c, secondary reading is paper 3b. The third presentation.

• May 3, 2019: Noel Gutierrez Brizuela. Introduction to stochastic calculus with an application to the North Atlantic. Reading is book chapters 4a and 4b and paper 4c. The fourth presentation.

• May 10, 2019: Andre Paloczy, Single particle Lagrangian statistics. Reading is paper 5. The fifth presentation.

• May 17, 2019: Channing Prend, Multiple particles Lagrangian statistics. Reading is paper 6. The sixth presentation.

• May 24, 2019: Rick Salmon: The analogy between electrodynamics and fluid mechanics. Primary reading is paper 7a, secondary reading is paper 7b. The seventh presentation.

• May 31, 2019: Paul Chamberlain, Lagrangian ocean analysis. Papers 8a and 8b. The eighth presentation.

• June 7, 2019: Manuel Gutierrez Villanueva, Eddies role in Lagrangian paths. Primary reading is papers 9a and 9d, secondary reading is papers 9b and 9c. The ninth presentation.