2001 Lecture Series Schedule

Conceptual Models in Climate Dynamics

June 20 - August 24, 2001

Monday, June 18 - Wednesday, June 20
10:00 AM Eli Tziperman, Weizmann Institute of Science, Israel
El Nino-Southern Oscillations:

A brief description of the phenomenology
A brief equatorial dynamics background
Delayed oscillator
Fast SST, fast wave, mixed mode ENSO regimes
Re-charge oscillator
Optimal modes (non-normal instability)
ENSO as self-sustained vs stochastically forced
ENSO's irregularity: noise or low order chaos on ENSO's phase locking to the seasonal cycle.

Preliminary notes for Eli Tziperman's lectures can be found at: http://www.weizmann.ac.il/home/eli/reprints/GFD_course_notes.pdf

Thursday, June 21 - Friday, June 22
10:00 AM Paola Cessi, Scripps Institution of Oceanography
THC variability:

A brief description of the phenomenology
Mean circulation:
Stommel-Aaron model of the abyssal circulation

The competing effect of heat and salt:
Stommel box model
multiple steady states, bifurcations
role of Southern Ocean in driving North Atlantic THC
Variability:
Stochastically forced red noise (Hasselmann)
jumps between steady states
oscillatory behavior, Welander's salt oscillators
global versus local bifurcations
self-sustained Vs stochastically force

Preliminary notes for Paola Cessi's lectures can be found at: Lecture 01; Lecture 02; Lecture 03; Lecture 04; Lecture 05

Thursday, June 21
2:15 PM Thierry Huck, Universite de Bretagne Occidentale
Interdecadal Variability of the Thermohaline Circulation

Monday, June 25 - Tuesday, June 26
10:00 AM Raymond Pierrehumbert, University of Chicago
Basic Principles of Climate:

A brief description of the phenomenology
Radiative-convective models, and principles of energy balance
Basic models with meridional heat transport:
energy balance models. Basic features. Their uses and their limitations
tropical heat transport. Uniform temperature models. "Radiator Fin" concept. Held/Hou Hadley cell ideas (most basic aspects only)
heat,PV moisture transport in the midlatitude baroclinic regime

Thermal Inertia (land vs. ocean. Dense atmosphere vs. tenuous)

Click here for a more detailed outline of Raymond Pierrehumbert's lectures.

Monday, June 25
2:15 PM Tapio Schneider, New York University
Baroclinic Eddies in the Climate of the Extra-Tropics

Wednesday, June 27 - Thursday, June 28
10:00 AM Eli Tziperman, Weizmann Institute of Science, Israel
Glacial-interglacial variability:

A brief description of the phenomenology
Ice albedo feedback
Ice sheet dynamics
Milankovitch forcing
Toy models for 100kyr oscillations:
isostatic adjustment
dust-loading feedback
nonlinear frequency transfer
"earth-system" Saltzman-style models
sea-ice switch mechanism

Nonlinear phase locking to Milankovitch
Biogeochemical toy models for glacial CO2 variability

Preliminary notes for Eli Tziperman's lectures can be found at: http://www.weizmann.ac.il/home/Eli/reprints/GFD_course_notes.pdf

Friday, June 29
10:00 AM Raymond Pierrehumbert, University of Chicago
Early Earth:

A brief review of the phenomenology
Cretaceous/Eocene hothouse
Neo-Proterozoic Snowball

Ocean heat transport and the enigma of hothouse climates
Theories of initiation and termination of NeoProterozoic Snowball
What happens to the Earth as the Sun continues to warm?

Climate of the planets, and Fate of the Earth:

A brief description of the phenomenology
Earth/Mars/Venus/Titan
Runaway greenhouse. Ultimate fate of the Earth.
Runaway icehouse
Early Mars. CO2 clouds. Glacier Dynamic Feedbacks
Hadley Cell and Ekman transport effects on Early mars
Exotic approaches (Lorenz work on entropy model of Titan

Click here for a more detailed outline of Raymond Pierrehumbert's lectures.

Monday, July 2
10:30 AM Geoffrey K. Vallis, Princeton University
Generalized 2D Turbulence and Turbulent Diffusion

2:30 PM William K. Dewar, Florida State University
Ocean Dynamics in Mid-Latitude Climate

Tuesday, July 3
10:30 AM Igor Mezic, University of California, Santa Barbara
Comparison of Complex Systems

Wednesday, July 4
HOLIDAY - No Lecture

Thursday, July 5
10:30 AM Vinicio Pelino, Centro Nazionale Di Meteorologia E Climatologia Aeronautica (CNMCA), Italy
Symplectic Dissipation and the Lorenz-84 Climate Model

Friday, July 6
       10:30 AM    Paul Dellar, St. John's College, United Kingdom
                                  Lattice Kinetic Simulations of Magnetic Reconnection

       2:30 PM    Edward A. Speigel, Columbia University
                                  TBA

Monday, July 9
       10:30 AM    Rui Xin Huang, Woods Hole Oceanographic Institution                                                                       Structure of the Thermocline and Climate Variability

Tuesday, July 10
10:30 AM Wayne Schubert, Colorado State University
Equatorial B-Plane Theory

Wednesday, July 11
10:30 AM Canceled Due to Severe Weather

Thursday, July 12
10:00 AM Russell Donelly, University of Oregon
The Use of Cryogenic Helium in Fluid Dynamics

11:00 AM Joseph Niemela, University of Oregon
Organized Convection at Very High Rayleigh Numbers

Friday, July 13
10:30 AM Yochanan Kushnir, Columbia University
The Response of the Atmosphere to SST Anomalies: What Have We Learned from GCMs?

2:30 PM Henk Dijkstra, Utrecht University
Internal Variability of the Wind-Driven Ocean Circulation

Monday, July 16
       10:30 AM    Joseph Keller, Stanford University
                                  Elements of Radiative Transport Theory

          3:30 PM   Gregory Buck, Saint Anselm College
                                  Tortuous Tales of Topology

Tuesday, July 17
10:30 AM Thomas Haine, Johns Hopkins University
Mechanisms of North Atlantic Wintertime SST Anomalies

Wednesday, July 18
10:30 AM Jeffrey Weiss, University of Colorado
Fokker-Planck View of Stochastic Dynamical Systems

Thursday, July 19
10:30 AM Arnaud Czaja, Massachusetts Institute of Technology An Energy Balance View of the NAO

Friday, July 20
10:30 AM Jack Whitehead, Woods Hole Oceanographic Institution
Multiple Equilibrium Experiments

Monday, July 23
       10:30 AM    Michael Allison, Goddard Institute for Space Studies, NASA
                                  Conceptual Models of Extra-Terrestrial Climates: M, PV and MEP
Tuesday, July 24
       10:30 AM    David Battisti, University of Washington
                                  Is the Gulf Stream Responsible for Europe's Mild Winters?

Wednesday, July 25
10:30 AM Charles Doering, University of Michigan
Energy Dissipation in Body Forced Turbulence

Thursday, July 26
10:30 AM David Marshall, University of Reading, UK
On the Response of the Atlantic to Thermohaline Variability

Friday, July 27
3:30 PM Antonello Provenzale, Istituto di Cosmogeofisica, Italy
Patterns of Dirt (talk followed by a BBQ)

Monday, July 30
No Lecture

Tuesday, July 31
10:30 AM Melvin Stern, Florida State University
Karl Helfrich, Woods Hole Oceanographic Institution Propagation of Finite Amplitude Potential Vorticity Front Along the Boundry of a Rotating and Stratified Fluid

Wednesday, August 1
10:30 AM Christopher Jones, Brown University
Smarter Drifter Launch Strategies

Thursday, August 2
10:30 AM Kerry Emanuel, Massachusetts Institute of Technology
A Simple Model of Multiple Stable Climate Regimes

2:30 PM Kevin Trenberth, National Center for Atmospheric Research
Interannual Variability of the Heat Budget

Friday, August 3
10:30 AM Kevin Trenberth, National Center for Atmospheric Research
TBA

Monday, August 6
No Lecture

Tuesday, August 7
10:30 AM Leonard Smith, London School of Economics, UK
Indistiguishable States: Stochastic Implications of Imperfect Climate Models

Wednesday, August 8

10:30 AM Annalisa Bracco, Woods Hole Oceanographic Institution
Mesoscale Turbulence and Plankton Dynamics

Thursday, August 9
10:30 AM Alan W. Rempel, University of Washington
Displacing Climate Signals in Ancient Ice by Pre-Melting and Anomalous Diffusion

2:30 PM Louis Howard, Florida State University/Massachusetts Institute of Technology

Video Presentation

Friday, August 10
10:30 AM John Marshall, Massachusetts Institute of Technology A Simple Model of the Thermohaline Circulation in the Southern Ocean

3:30 PM Alexey V. Fedorov, Princeton University
The Energetics of ENSO Implicationd for El Nino Prediction

Monday, August 13 - Monday, August 20

No Lectures

Tuesday, August 21

10:00 AM Matthew Spydell, University of California, San Diego
Diagnosing El Niño - La Niña Transitions

       11:05 AM    Fiona Eccles, Oxford University, UK
                                  Nonlinear Mechanism Determining ENSO Period

           2:15 PM    Chiara Toniolo, University of Genova, ITALY
                                  Slipping Instability in a System of Two Superposed Fluid Layers

          3:20 PM    Shreyas Mandre, Northwestern University
                                  Roll Waves With Bumpy Bottom

Wednesday, August 22
       10:00 AM    Lianke Te Raa, Utrecht University, THE NETHERLANDS
                                  Convective Oscillations in a Laboratory Model

11:05 AM Helén Andersson, Goteborg University, SWEEDEN
Abyssal Flow in the Presence of Sloping Boundaries and Mid-Basin Ridge

2:15 PM Takamitsu Ito, Massachusetts Institute of Technology The Black Hole of Water Vapor and Asymmetries in the Tropical Circulation

3:20 PM Edwin Gerber, Princeton University
Black Holes of Water Vapor II - Time Evolution and Limitations of the Theory