21st Conference on Atmospheric and Oceanic Fluid Dynamics

Program Chairs: Andrew F. Thompson , California Institute of Technology ; Gang Chen , UCLA
Reviewers: Shafer Smith , Courant Institute of Mathematical Sciences ; Juliana Dias , CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division ; Margaret M. Hurwitz , Science Systems and Applications, Inc. ; Natalia Calvo , Universidad Complutense de Madrid ; R. Alan Plumb , MIT ; Nick A. Davis , Colorado State

- Indicates paper has been withdrawn from meeting
- Indicates paper is an Award Winner

Sunday, 25 June 2017

5:00 PM-7:00 PM: Sunday, 25 June 2017


Registration
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

Monday, 26 June 2017

7:30 AM-5:00 PM: Monday, 26 June 2017


Registration
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

8:20 AM-10:00 AM: Monday, 26 June 2017

Recording files available
Session 1
Idealized Approaches to the Atmospheric and Oceanic Circulation -Part I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Malte F. Jansen, The University of Chicago
8:20 AM
Introductory Remarks

9:30 AM
1.5
A Thermodynamic Model of the Global Ocean Overturning Circulation
Emily R. Newsom, California Institute of Technology, Pasadena, CA; and C. M. Bitz
9:45 AM
1.6

10:00 AM-10:30 AM: Monday, 26 June 2017


Coffee Break
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

10:30 AM-12:00 PM: Monday, 26 June 2017

Recording files available
Session 2
Idealized Approaches to the Atmospheric and Oceanic Circulation -Part II
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Spencer A Hill, UCLA & Caltech
10:30 AM
2.1
10:45 AM
2.2
The Annual Cycle of the ITCZ and its Changes under CO2 Quadrupling in the TRACMIP Ensemble
Michela Biasutti, Lamont-Doherty Earth Observatory, Palisades, NY; and A. Voigt
11:00 AM
2.3
Idealized Modelling of Monsoon Dynamics
Ruth Geen, University of Exeter, Exeter, United Kingdom; and F. H. Lambert and G. K. Vallis
11:15 AM
2.4
Dynamical Aspects of the Eastern Pacific ITCZ Boundary Layer
Alex Omar Gonzalez, University of California Los Angeles, Los Angeles, CA; and W. H. Schubert
11:30 AM
2.5
A 2.5-Layer Diabatic Long-Wave Balance Model for the Equatorial β-Plane
Andrea Gabrielski, University of Reading, Reading, United Kingdom; and T. G. Shepherd and S. J. Woolnough

12:00 PM-1:30 PM: Monday, 26 June 2017


Lunch (On Your Own)

1:30 PM-3:00 PM: Monday, 26 June 2017

Recording files available
Session 3
Tropical Circulation and Its Interaction with the Extra Tropics -Part I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Allison A. Wing, Florida State University
1:30 PM
3.1
Observations of Convective Organization by the MJO
George Kiladis, OAR, Boulder, CO; and J. Dias, K. Kikuchi, and N. Sakaeda
1:45 PM
3.2
Tropical-Extratropical Interactions as a Dry Dynamical Pathway to the MJO
Stefan N. Tulich, CIRES/Univ. of Colorado and NOAA/ESRL, Boulder, CO; and G. N. Kiladis and J. L. Mitchell
2:15 PM
3.4
Yanai Waves and the Classification of Westward Propagating Waves on the Rotating Spherical Earth
Nathan Paldor, Hebrew University of Jerusalem, Jerusalam, Israel; and I. fouxon, O. Shamir, and C. I. Garfinkel
2:45 PM
3.6
Beyond Rigid Lids: Baroclinic Modes in a Structured Atmosphere
Jacob P. Edman, University of California, Berkeley, CA; and D. M. Romps

3:00 PM-3:30 PM: Monday, 26 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

3:30 PM-5:00 PM: Monday, 26 June 2017

Recording files available
Session 4
Tropical Circulation and Its Interaction with the Extra Tropics -Part II
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Cochairs: Jonathan L. Mitchell, University of California; George N. Kiladis, NOAA/ESRL
4:30 PM
4.5
4:45 PM
4.6

5:00 PM-7:00 PM: Monday, 26 June 2017


Formal Poster Viewing
Location: Salon A-E (Marriott Portland Downtown Waterfront)

Joint Poster Session 1
Troposphere-Stratosphere Dynamical Coupling Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Hosts: (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics; and the 19th Conference on Middle Atmosphere )
21
Seasonal and ENSO Variations in Southern Hemisphere Westerly Jets
Nathaniel Loeb, University of Wisconsin, Madison, WI; and M. H. Hitchman


Poster Session 1A
Coupling Between Moisture, Clouds, and Circulation Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
29
Assessment of Symmetric Instability from Global Reanalysis Data
Ting-Chen Chen, McGill University, Montreal, QC, Canada; and P. M. K. Yau and D. J. Kirshbaum

30
Estimating Entrainment Rates for an EDMF Closure of Deep Convection from Large-Eddy Simulations
Yair Cohen, JPL, Pasadena, CA; and T. Schneider, J. Teixeira, C. M. Kaul, and K. G. Pressel

31
Testing the Role of Westerly Jet in the Termination of Meiyu
Wenwen Kong, Univ. of California, Berkeley, CA; and J. C. H. Chiang

32
The Role of Convection in African Easterly Wave Dynamics
James O. H. Russell, North Carolina State Univ., Raleigh, NC; and A. Aiyyer

Handout (1.6 MB)

33
A Westward Propagating Intraseasonal Mode over the Western Pacific
Alex Omar Gonzalez, University of California Los Angeles, Los Angeles, CA; and X. Jiang

34
Changes in Extratropical Diffusivity with Uniform Surface Warming
Todd Mooring, The University of Chicago, Chicago, IL; and T. A. Shaw

37
The Onset of Convective Self-Aggregation
Da Yang, Univ. of California, Davis, CA

38
A Moist Entropy Budget View of South Asian Summer Monsoon Onset
Ding Ma, Columbia University, New York, NY; and J. Nie, A. H. Sobel, Z. Kuang, and M. S. Singh


Poster Session 1B
Idealized Approaches to the Atmospheric and Oceanic Circulation Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
45
The Formation of Southern Ocean Gyres
Ryan Declan Patmore, British Antarctic Survey, Cambridge, United Kingdom; and P. Holland, A. Naviera Garabato, D. R. Munday, M. P. Meredith, and D. Stevens

49
Atmospheric Response to SST Anomalies: Seasonal and Background-State Dependence
Stephen I. Thomson, University of Exeter, Exeter, United Kingdom; and G. K. Vallis

52
Numerical Solution of a 2-D Model for the Formation of Zonal Jets
Girish Nigamanth Raghunathan, Arizona State University, Tempe, AZ; and H. P. Huang

62
The Influence of Idealized Zonally-Varying Boundary Conditions on Zonally-Asymmetric ITCZ Migrations
Ho-Hsuan Wei, California Institute of Technology, Pasadena, CA; and S. Bordoni

64
Roles of Upper- versus Lower-level Thermal Forcing in Shifting the Eddy-Driven Jet
Yang Zhang, Nanjing University, Nanjing, Jiangsu, China; and Y. Nie, G. Chen, and X. Yang


Poster Session 1C
Tropical Circulation and Its Interaction with the Extra Tropics Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
65
Classification of Eastward Propagating Waves on the Spherical Earth
Chaim I. Garfinkel, Hebrew University, Jerusalem, Israel; and I. fouxon, O. Shamir, and N. Paldor

73
Equatorial Superrotation at Earth's Surface
Rodrigo Caballero, Stockholm Univ., Stockholm, Sweden; and H. Carlson

74
Understanding Sources of Tropical Rainfall Forecast Errors
Juliana Dias, CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division, Boulder, CO; and G. N. Kiladis and M. Gehne

75
Why Do Modelled and Observed Surface Wind Stress Climatologies Differ in the Trade Wind Regions?
Isla R. Simpson, Univ. of Texas, Richardson, TX; and J. T. Bacmeister, I. Sandu, and M. J. Rodwell

76
The Implication of Summer Monsoon Onset from Seasonally Migrating Linear Rossby Wave and Wave-Breaking Regimes
Hung-I Lee, University of California, Los Angeles, CA; and J. L. Mitchell, C. S. Y. Huang, S. A. Hill, J. M. Lora, G. Chen, and A. K. Tripati

Tuesday, 27 June 2017

7:30 AM-5:00 PM: Tuesday, 27 June 2017


Registration
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

8:15 AM-10:00 AM: Tuesday, 27 June 2017

Recording files available
Session 5
Coupling Between Moisture, Clouds, and Circulation -Part I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Cochairs: Kevin M. Grise, Univ. of Virginia; Naoko Sakaeda, NOAA
8:15 AM
5.1
Rainy-Benard Convection
Geoffrey K. Vallis, University of Exeter, Exeter, United Kingdom; and S. Tobias and D. J. Parker

8:30 AM
5.2
9:00 AM
5.4
9:30 AM
5.6

10:00 AM-10:30 AM: Tuesday, 27 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

10:30 AM-12:00 PM: Tuesday, 27 June 2017

Recording files available
Session 6
Coupling Between Moisture, Clouds, and Circulation -Part II
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Da Yang, Univ. of California
10:30 AM
6.1A
A New Paradigm for Tropical Anvil Clouds
Jacob T. Seeley, University of California, Berkeley, CA; and N. Jeevanjee, W. Langhans, and D. M. Romps
11:00 AM
6.3
Contributions of Climate Feedbacks to Changes in Atmospheric Circulation
Paulo Ceppi, Univ. of Reading, Reading, United Kingdom; and T. G. Shepherd
11:15 AM
6.4
Sensitivities of Arctic Clouds to Climate Change
Xiyue Zhang, California Institute of Technology, Pasadena, CA; and T. Schneider, K. G. Pressel, and C. M. Kaul
11:30 AM
6.5
The Role of Downward Infrared Radiation in the Recent Arctic Winter Warming Trend
Tingting Gong, Chinese Academy of Sciences, Qingdao, China; and S. B. Feldstein and S. Lee
11:45 AM
6.6
The Diurnal Cycle of Rainfall and Cloudiness Associated with ENSO
Naoko Sakaeda, NOAA, Boulder, CO; and T. O. Hurt Jr., G. N. Kiladis, and J. Dias

12:00 PM-1:30 PM: Tuesday, 27 June 2017


Lunch (On Your Own)

12:45 PM-1:30 PM: Tuesday, 27 June 2017


Town Hall Meeting 1
Town Hall Meeting: Simpler Models in CESM: Where We Are, and Where to Go from Here
Location: Salon F (Marriott Portland Downtown Waterfront)
Hosts: (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics; and the 19th Conference on Middle Atmosphere )
Facilitators: Edwin P. Gerber, New York Univ.; Aditi Sheshadri, Columbia University; Isla R. Simpson, Univ. of Texas

1:30 PM-3:00 PM: Tuesday, 27 June 2017

Recording files available
Joint Session 1
Troposphere-Stratosphere Dynamical Coupling (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics and the 19th Conference on Middle Atmosphere)
Location: Salon F (Marriott Portland Downtown Waterfront)
Hosts: (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics; and the 19th Conference on Middle Atmosphere )
Cochairs: Laura Holt, NorthWest Research Associates; Edwin P. Gerber, New York Univ.
2:00 PM
J1.3
On the Linkage between Asian Summer Monsoon and Tropopause Folds
Yutian Wu, Purdue University, West Lafayette, IN; and G. Chen
2:30 PM
J1.5
The Circulation Response to Volcanic Eruptions: The Importance of Tropical Stratospheric Warming
Kevin DallaSanta, Courant Institute of Mathematical Sciences, New York University, New York, NY; and E. P. Gerber

3:00 PM-3:30 PM: Tuesday, 27 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

3:30 PM-5:00 PM: Tuesday, 27 June 2017

Recording files available
Joint Session 2
Transport and Mixing (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics and the 19th Conference on Middle Atmosphere)
Location: Salon F (Marriott Portland Downtown Waterfront)
Hosts: (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics; and the 19th Conference on Middle Atmosphere )
Cochairs: John R. Albers, University of Colorado; R. Alan Plumb, MIT
3:45 PM
J2.2A
Atmospheric Barotropic Energy Transfer Response to Global Warming
Rei Chemke, Weizmann Institute of Science, Rehovot, Israel; and Y. Kaspi
4:15 PM
J2.4
A Theory for Stratospheric Transport from Age of Air
Marianna Linz, MIT, Cambridge, MA; and R. A. Plumb, E. P. Gerber, and A. Sheshadri
4:30 PM
J2.5
Marginally Unstable Turbulence in Forced, Stratified Shear Flows
William D Smyth, College of Oceanic & Atmospheric Sciences, Oregon State University, Corvallis, OR; and H. Pham, J. N. Moum, and S. Sarkar

4:45 PM
J2.6
Linear Analysis of Moisture Transport Due to Baroclinic Waves
Alfredo N Wetzel, Univ. of Wisconsin, Madison, WI; and L. M. Smith and S. N. Stechmann

5:00 PM-7:00 PM: Tuesday, 27 June 2017


Formal Poster Viewing
Location: Salon A-E (Marriott Portland Downtown Waterfront)

Joint Poster Session 2
Transport and Mixing Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Hosts: (Joint between the 21st Conference on Atmospheric and Oceanic Fluid Dynamics; and the 19th Conference on Middle Atmosphere )
78
Revisiting Eddy-Induced Oceanic Transport in a Qg Model.
Josephine Anne Park, Imperial College, London, United Kingdom

80
Synoptic Formation of Double Tropopauses
Chengji Liu, Colorado State University, Fort Collins, CO; and E. A. Barnes

82
Effects of Langmuir Turbulence on Upper Ocean Carbonate Chemistry
Katherine M. Smith, University of Colorado, Boulder, CO; and P. E. Hamlington, K. Niemeyer, B. Fox-Kemper, and N. S. Lovenduski


Poster Session 2A
Atmosphere-Ocean-Ice Interactions Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
84
Isolating the Decadal Component of the Pacific Decadal Oscillation
Robert Wills, University of Washington, Seattle, WA; and D. S. Battisti, T. Schneider, and D. L. Hartmann

88
Sill-Controlled Circulation in Ice Shelf Cavities
Ken Zhao, UCLA, Los Angeles, CA; and A. L. Stewart and J. C. McWilliams

Handout (2.5 MB)

114A
Role of the Western Pacific Heat Buildup for the Timing, Magnitude and Prediction of ENSO
Desislava Petrova, Climate and Health Group, ISGLOBAL/Catalan Institute for Climate Sciences, Barcelona, Spain; and J. Ballester, S. Koopmans, S. Bordoni, B. Cash, M. García-Díez, and X. Rodo


Poster Session 2B
Dynamics of Past and Future Climates (Poster Session)
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
90
Dynamics of the Three-Dimensional Ocean Overturning: Glacial Transitions and Inter-Hemispheric Coupling
Andrew F. Thompson, California Institute of Technology, Pasadena, CA; and J. Adkins and S. Hines

91
Direct Effects of Radiative Forcing on Ocean Heat Uptake
Molly Syme, McGill University, Montreal, QC, Canada; and T. M. Merlis

93
Atmospheric Eddies Mediate Lapse Rate Feedback and Arctic Amplification
Nicole Feldl, Univ. of California, Santa Cruz, CA; and B. T. Anderson and S. Bordoni

95
The Response of Northern Hemispheric Monsoon Precipitation Patterns to Extra-Tropical Forcing Under Last Glacial Maximum
Hung-I Lee, University of California, Los Angeles, CA; and J. M. Lora, J. L. Mitchell, G. Chen, and A. K. Tripati

96
Atmospheric Circulation Impacts of Alternative Warming Scenarios for the Eocene
Rodrigo Caballero, Stockholm Univ., Stockholm, Sweden; and H. Carlson

97
Seasonal Response of Midlatitude Internal Variability to Sea Ice Loss
Bryn Ronalds, Colorado State University, Fort Collins, CO; and E. A. Barnes

98
Multi-Scale Response of Moisture Flux to Projected Sea Ice Loss
Marie C. McGraw, Colorado State University, Fort Collins, CO; and C. F. Baggett, C. Liu, B. D. Mundhenk, and E. A. Barnes

100
A Comparison of Methods on Dynamical Adjustment in a Large Ensemble of Climate Simulations
Jingyuan Li, Colorado State University, Fort Collins, CO; and D. W. J. Thompson

102
Understanding Regional Projections of Extreme Precipitation
Neil F. Tandon, Environment and Climate Change Canada, Toronto, ON, Canada; and X. Zhang

103
Moisture Budget of Precipitation Extremes in a Warming Climate
Jesse Norris, Univ. of California, Los Angeles, CA; and G. Chen and J. D. Neelin


Poster Session 2C
Mesoscale Ocean Dynamics Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
105
A Regime Diagram for Ocean Geostrophic Turbulence
Andreas Klocker, University of Tasmania, Hobart, Australia; and D. P. Marshall, S. R. Keating, and P. L. Read

110
Interannual Variability of Gulf Stream Dynamics from Altimetry
Laure Zanna, University of Oxford, Oxford, United Kingdom; and T. bolton

111
112
Eddy Memory Mode of Low-frequency Ocean Variability
Georgy E. Manucharyan, California Institute of Technology, Pasadena, CA; and A. F. Thompson and M. A. Spall

115
Mixed-Layer Instability As a Source of Surface Kinetic Energy in the Seasonal Cycle in a Global Climate Model
Takaya Uchida, Columbia University in the City of New York, Palisades, NY; and R. P. Abernathey and S. Smith

Handout (1.6 MB)

116
Temporal Variability of Surface Eddy Diffusivities in the Global Ocean from Altimetry
Julius Busecke, LDEO, Brooklyn, NY; and R. P. Abernathey

Handout (2.4 MB)

117
118
119
Filtering the Ocean: New Insight into the Baroclinic Instability
Mahmoud M Sadek, University of Rochester, Rochester, NY; and H. Aluie, G. K. Vallis, and M. W. Hecht

120
Nonlinear Dynamics of Homogeneous Rotating Exchange Flows
Miguel A. Jimenez-Urias, University of Washington, Seattle, WA; and L. Thompson

121
Detection of the Equatorial Roll in the Mixed Layer of the Indian Ocean
Michael J. McPhaden, PMEL, Seattle, WA; and Y. Wang


Poster Session 2D
Planetary Atmospheres and Oceans Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
122
The Dynamical Range of Ocean Circulation on Synchronously Rotating Planets Around M Stars
Jun Yang, Peking University, Beijing, China; and D. S. Abbot, E. Tziperman, and Y. Ashkenazy

124
The Hotspot Offset on Asynchronously Rotating Exoplanets: A Shallow Water Model
James Penn, University of Exeter, Exeter, United Kingdom; and G. K. Vallis

Handout (922.9 kB)

125
Climate Dependencies on Obliquity and Radiative Timescales
Ilai Guendelman, Weizmann institute of science, Rehovot, Israel; and Y. Kaspi

127
The Stability of Mars' Annular Polar Vortex
William J. M. Seviour, Johns Hopkins University, Baltimore, MD; and D. W. Waugh and R. K. Scott

131
An Idealized Dynamical Model of General Terrestrial Atmospheres: From Earth Towards Venus
G. J. Colyer, University of Exeter, Exeter, United Kingdom; and G. K. Vallis

132
Shallow Water Modeling of Jovian Polar Cyclone and Vortices
Cheng Li, JPL/California Institute of Technology, Pasadena, CA; and A. P. Ingersoll

135
Atmospheric Dynamics of Massive Atmospheres
Rei Chemke, Weizmann Institute of Science, Rehovot, Israel; and Y. Kaspi

Wednesday, 28 June 2017

7:30 AM-5:00 PM: Wednesday, 28 June 2017


Registration
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

8:15 AM-10:00 AM: Wednesday, 28 June 2017

Recording files available
Session 7
Planetary Atmospheres and Oceans
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Rei Chemke, Weizmann Institute of Science
8:30 AM
7.2
Constraining the Vertical Structure of Zonal Jets on the Gas Giant Planets
Richard K. Scott, University of St Andrews, St Andrews, United Kingdom; and T. J. Dunkerton
8:45 AM
7.3
Climates of High Obliquity Terrestrial Planets
Ana H. Lobo, California Institute of Technology, Pasadena, CA; and S. Bordoni
9:00 AM
7.4
9:15 AM
7.5
Effects of the Mean Flow on the Properties of Martian Transient Eddies
Todd Mooring, The University of Chicago, Chicago, IL; and I. M. Held and R. J. Wilson
9:30 AM
7.6
Slantwise Convection on Fluid Planets
Morgan E O'Neill, University of Chicago, Chicago, IL; and Y. Kaspi

10:00 AM-10:30 AM: Wednesday, 28 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

10:30 AM-12:00 PM: Wednesday, 28 June 2017

Recording files available
Session 8
Theory and Dynamics of Atmosphere-Ocean-Ice Interactions
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Christopher L. Wolfe, SUNY
10:30 AM
8.1
Feedbacks on ITCZ migrations from atmosphere-ocean coupling
Tapio Schneider, California Institute of Technology, Pasadena, CA

12:00 PM-1:30 PM: Wednesday, 28 June 2017


Lunch (On Your Own)

Women Scientist's Lunch
Location: Columbia (Marriott Portland Downtown Waterfront)

1:30 PM-3:00 PM: Wednesday, 28 June 2017

Recording files available
Session 9
Dynamics of Past and Future Climates -Part I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Isla R. Simpson, Univ. of Texas
1:45 PM
9.2
Dynamics of Ocean Heat Uptake
Laure Zanna, University of Oxford, Oxford, United Kingdom; and M. Huber, J. Ison, and S. Khatiwala
2:15 PM
9.4
2:30 PM
9.5
Simple Estimates for Polar Amplified Warming
Timothy M. Merlis, McGill Univ., Montreal, Canada; and M. Henry

3:00 PM-3:30 PM: Wednesday, 28 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

3:30 PM-5:00 PM: Wednesday, 28 June 2017

5:00 PM-6:00 PM: Wednesday, 28 June 2017


Conference Reception
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

6:00 PM-7:00 PM: Wednesday, 28 June 2017

Recording files available
Lecture 1
Haurwitz lecture
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Gudrun Magnusdottir, Univ. of California
6:00 PM
L1.1
Potential Vorticity Aspects of Tropical Cyclones (Invited Presentation)
Wayne Schubert, Colorado State University, Fort Collins, CO

Thursday, 29 June 2017

7:30 AM-5:00 PM: Thursday, 29 June 2017


Registration
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

8:15 AM-10:00 AM: Thursday, 29 June 2017

Recording files available
Session 11
Submesoscale Ocean Dynamics -Part I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Ryan P. Abernathey, Columbia University
8:45 AM
11.2
A Coupled Model of Interior Balanced and Boundary Flows
William K Dewar, Florida State University, Tallahassee, FL; and B. Deremble and E. Johnson
9:00 AM
11.3
Balanced and Unbalanced Motions at a Submesoscale Front
Leah Johnson, APL, Seattle, WA; and C. Lee and E. D'Asaro
9:15 AM
11.4
Numerical Simulations of Mode Water Formation Involving Cabbeling and Frontogenetic Strain at Thermohaline Fronts
Callum James Shakespeare, Australian National University, Acton, Australia; and L. N. Thomas
9:30 AM
11.5
9:45 AM
11.6
Submesoscale Topographic Wakes
Kaushik Srinivasan, University of California, Los Angeles, CA; and J. C. McWilliams and J. Molemaker

10:00 AM-10:30 AM: Thursday, 29 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

10:30 AM-12:00 PM: Thursday, 29 June 2017

Recording files available
Session 12
Submesoscale Ocean Dynamics -Part II
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Andrew L. Stewart, University of California
10:30 AM
12.1
New Aspects of Ocean Frontogenesis
Baylor Fox-Kemper, Brown University, Providence, RI; and N. Suzuki and A. Bodner
10:45 AM
12.2
The Dynamical Link between Frontogenesis and Convergence
Roy Barkan, University of California, Los Angeles, CA; and J. C. McWilliams

11:00 AM
12.3
Modulation of Lateral Transport Barriers in the Ocean by Submesoscale Eddies and Inertia-Gravity Waves
Anirban Sinha, Columbia University in the City of New York, New York, NY; and R. P. Abernathey

11:15 AM
12.4
Evaluation of Lagrangian Structure Function Statistics in the Gulf of Mexico
Jenna L. Palmer, Brown University, Providence, RI; and B. Fox-Kemper, R. Barkan, J. M. Choi, A. Bracco, and J. C. McWilliams
11:30 AM
12.5
Submesoscales in the Antarctic Circumpolar Current
John R. Taylor, University of Cambridge, Cambridge, United Kingdom; and S. Bachman, M. Stamper, K. Adams, P. Hosegood, and J. B. Sallee
11:45 AM
12.6
Impact of Submesoscale Structures on Global Climate
Zhan Su, California Institute of Technology, Pasadena, CA; and J. Wang, P. Klein, A. F. Thompson, and D. Menemenlis

12:00 PM-1:30 PM: Thursday, 29 June 2017


Lunch (On Your Own)

1:30 PM-3:00 PM: Thursday, 29 June 2017

Recording files available
Session 13
Mesoscale Ocean Dynamics -Part I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Laure Zanna, University of Oxford
1:30 PM
13.1
1:45 PM
13.2
The Role of Lee Waves for Dissipation of Transient Eddies in the Southern Ocean
Luwei Yang, University of Tasmania, Hobart, Australia; and M. Nikurashin, A. M. Hogg, and B. Sloyan

2:00 PM
13.3
2:30 PM
13.5
Baroclinic Eddy Fluxes over Continental Slopes: Insights from a Model Inter-Comparison
Yan Wang, University of California, Los Angeles, CA; and A. L. Stewart
2:45 PM
13.6
The Imprint of Beta on Individual Lagrangian Trajectories
Jeffrey J. Early, NorthWest Research Associates, Redmond, WA; and A. M. Sykulski, J. M. Lilly, and S. C. Olhede

3:00 PM-3:30 PM: Thursday, 29 June 2017


Coffee Break
Location: Salon A-E (Marriott Portland Downtown Waterfront)

3:30 PM-5:00 PM: Thursday, 29 June 2017

Recording files available
Session 14
Mesoscale Ocean Dynamics -Part II
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Talia Tamarin, Weizmann Institute of Science
3:30 PM
14.1
Reshaping the Antarctic Circumpolar Current Via Antarctic Bottom Water Export
Andrew L. Stewart, University of California, Los Angeles, CA; and A. M. Hogg
3:45 PM
14.2
Scale Dependent Distribution of Kinetic Energy from Surface Drifters in the Gulf of Mexico
Dhruv Balwada, New York University, New York, NY; and J. H. LaCasce and K. Speer
4:00 PM
14.3
4:15 PM
14.4
4:45 PM
14.6
Quantifying Transport by Coherent Lagrangian Vortices
Ryan P. Abernathey, Columbia University, Palisades, NY

5:00 PM-7:00 PM: Thursday, 29 June 2017


Formal Poster Viewing
Location: Salon A-E (Marriott Portland Downtown Waterfront)

Poster Session 3A
Storm Tracks and Jets Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
136
Eddy-Driven Jet Sensitivity to Diabatic Heating in an Idealized GCM
Hugh S Baker, University of Oxford, Oxford, United Kingdom; and T. Woollings and C. O. Mbengue

Handout (2.9 MB)

140
141
A Quasi-steady Baroclinic Eddy with Hypohydrostatic Convection
Tsung-Lin Hsieh, Princeton University, Princeton, NJ; and S. T. Garner and I. M. Held

142
Evaluation of Blocking Indices Using Their Relationship with Temperature Extremes
Pak-Wah Chan, Harvard University, Cambridge, MA; and P. Hassanzadeh and Z. Kuang

143
Eddy Response to Changes in Jet Characteristics
Janni Yuval, Weizmann Institute of Science, Rehovot, Israel; and Y. Kaspi

147
The Circumglobal North American Wave Pattern and Its Relation to North American Cold Events
Nili Harnik, Tel Aviv University, Tel Aviv, Israel; and G. Messori, R. Caballero, and S. B. Feldstein

148
Revisiting Causal Links Between the Arctic and Midlatitudes
Marie C. McGraw, Colorado State University, Fort Collins, CO; and E. A. Barnes

150
An Energy Balance Framework Linking Hadley Cell and Storm Track Shifts
Cheikh O. Mbengue, University of Oxford, Oxford, United Kingdom; and T. Schneider

152
Propagating Annular Modes: Empirical Orthogonal Functions, Principal Oscillation Patterns, and Timescales
Aditi Sheshadri, Columbia University, New York, NY; and R. A. Plumb

153
Quantifying the Dynamics of the Annular Modes
Pedram Hassanzadeh, Rice Univ., Houston, TX; and Z. Kuang


Poster Session 3B
Submesoscale Ocean Dynamics Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
155
Down to Submesoscale in Laboratory Experiments with Optical Altimetry
Yakov Afanasyev, Memorial University of Newfoundland, St. John's, Canada; and Y. Zhang

Handout (4.8 MB)

159
Evolution of a Front in Turbulent Thermal Wind (TTW) Balance
Matthew N. Crowe, University of Cambridge, Cambridge, United Kingdom; and J. R. Taylor

160
Estimates of Lateral Mixing by Turbulence in Ocean Fronts
Eric D. Skyllingstad, Oregon State University, Corvallis, OR; and R. Samelson

162
Subantarctic Mode Water and Pycnocline Ventilation
Benjamin Johnson, North Carolina State Univ., Raleigh, NC; and J. A. Willison and R. He

163
Triadic Instability and Internal Tide Dissipation in Ocean
Océane Richet, Laboratoire D'hydrodynamique, palaiseau, France; and C. Muller

164
Ekman Arrest in a Turbulent Bottom Boundary Layer
Xiaozhou Ruan, California Institute of Technology, Pasadena, CA; and A. F. Thompson and J. R. Taylor

165
Submesoscale Signatures in Shallow Stratified Layers: Observations from the Bay of Bengal
Sanjiv Ramachandran, Univ. of Massachusetts, North Dartmouth, MA; and A. Tandon, J. Mackinnon, A. Lucas, A. Waterhouse, J. Nash, E. Shroyer, A. Mahadevan, R. A. Weller, J. T. Farrar, and R. Pinkel


Poster Session 3C
Theoretical Advances in AOFD Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
169
Simulations of Barotropic and Baroclinic Waves of the Linearized Shallow Water Equations by Global Scale Models
Ofer Shamir, Hebrew University of Jerusalem, Jerusalem, Israel; and N. Paldor

171
Budgets of Finite-Amplitude Local Wave Activity of the Wintertime Northern Hemisphere
Clare S.-Y. Huang, University of Chicago, Chicago, IL; and N. Nakamura and S. Lubis


Poster Session 3D
Wave-Mean Interactions Posters
Location: Salon A-E (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
173
Stimulated Imbalance and the Enhancement of Eddy Kinetic Energy Dissipation by Internal Waves
Roy Barkan, University of California, Los Angeles, CA; and K. B. Winters and J. C. McWilliams

174
Spontaneous Gravity Wave Emission in the Differentially Heated Rotating Annulus
Steffen Hien, Goethe University, Frankfurt am Main, Germany; and J. Rolland, S. Borchert, L. Schoon, C. Zülicke, and U. Achatz

177
Baroclinic Adjustment and Frictional Control of Storm Tracks
Lenka Novak, University of Reading, Reading, United Kingdom; and M. Ambaum and B. Harvey

178
3-D Mass-weighted Isentropic Time Mean Meridional Circulations
Yuki Kanno, Tohoku University, Sendai, Japan; and T. Iwasaki

179
The Role of Synoptic Waves in the Formation and Maintenance of the Western Hemisphere Circulation Pattern
Xin Tan, Nanjing Univerisity, Nanjing, China; and M. Bao, D. L. Hartmann, and P. Ceppi

182
Interaction between Meso- and Sub-Mesoscale Gravity Waves
Jannik Wilhelm, Goethe Universität, Frankfurt, Germany; and G. Bölöni, T. Akylas, J. Wei, B. Ribstein, R. Klein, and U. Achatz

183
The Response of Water Vapor Wave Activity to Warming
Paul W. Staten, Indiana Univ., Bloomington, IN; and G. Chen and J. Lu

191
Horizontal Scale of Rossby Waves Associated with the Annual Cycle in the Tropical Tropopause Layer
Joowan Kim, Kongju National University, Gongju, Korea, Republic of (South); and W. J. Randel, T. Birner, and M. Abalos

192
On the Role of Extratropical Air-Sea Interaction in the Persistence of the Southern Annular Mode
Yang Zhang, Nanjing University, Nanjing, Jiangsu, China; and B. XIAO, X. Yang, and Y. Nie

Friday, 30 June 2017

7:30 AM-3:30 PM: Friday, 30 June 2017


Registration
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

8:15 AM-10:00 AM: Friday, 30 June 2017

Recording files available
Session 15
Wave-Mean Interactions
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Orli Lachmy, University of Chicago
8:15 AM
15.1
Local Wave Activity and the Onset of Blocking along a Potential Vorticity Front
Noboru Nakamura, Univ. of Chicago, Chicago, IL; and C. S. Y. Huang

8:30 AM
15.2A
Baroclinic and Barotropic Aspects of Wave-Mean Flow Interaction
Lina Boljka, University of Reading, Reading, United Kingdom; and T. G. Shepherd and M. Blackburn

8:45 AM
15.3
Lower Tropospheric Eddy Momentum Fluxes in Idealized Models and Reanalysis Data
Nicholas Lutsko, Princeton University, Princeton, NJ; and I. Held, P. Zurita-Gotor, and A. K. O'Rourke
9:30 AM
15.6
The Amplification of Internal Waves in the Ocean Interior
Callum James Shakespeare, Australian National University, Acton, Australia; and A. M. Hogg
9:45 AM
15.7
Gravity Waves Affecting Geostrophic Balanced Motions in a Rotating Shallow Water
Jim Thomas, Courant Institute of Mathematical Sciences, New York, NY; and O. Buhler and K. S. Smith

10:00 AM-10:30 AM: Friday, 30 June 2017


Coffee Break
Location: Ballroom Foyer (Marriott Portland Downtown Waterfront)

10:30 AM-12:00 PM: Friday, 30 June 2017

Recording files available
Session 16
Theoretical Advances in AOFD
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Nicholas Lutsko, Princeton University
10:45 AM
16.2
11:00 AM
16.3
Jets and Vortices in Quasigeostrophic Shallow Water Flow
B. Helen Burgess, University of St Andrews, St Andrews, United Kingdom; and R. K. Scott and D. G. Dritschel
11:15 AM
16.4
Extending Group Velocity Concept to Waves That Leak and Its Applications to Amtospheric Dynamics
Lyubov Chumakova, University of Edinburgh, Edinburgh, United Kingdom; and R. R. Rosales, A. Rzeznik, and E. G. Tabak

11:45 AM
16.6
The ω Governor
Jonathan L. Mitchell, Westmont College, Santa Barbara, CA; and S. A. Hill

12:00 PM-1:30 PM: Friday, 30 June 2017


Lunch (On Your Own)

1:30 PM-3:30 PM: Friday, 30 June 2017

Recording files available
Session 17
Storm Tracks and Jets I
Location: Salon F (Marriott Portland Downtown Waterfront)
Host: 21st Conference on Atmospheric and Oceanic Fluid Dynamics
Chair: Lei Wang, Univ. of Chicago
1:30 PM
17.1
2:15 PM
17.4
2:30 PM
17.5
Seasonal Sensitivity of the Jet-Stream to Arctic Temperatures
Elizabeth A. Barnes, Colorado State Univ., Fort Collins, CO; and I. R. Simpson

3:30 PM-3:45 PM: Friday, 30 June 2017


21Fluid Conference Adjourns
Location: Salon F (Marriott Portland Downtown Waterfront)