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An equivalent-barotropic fluid on the  plane, forced at small scales by random stirring and dissipated by linear heat and vorticity drag, is considered as a local model for flow in the weather layer of internally forced planetary atmospheres. The combined presence of , a finite deformation scale, and large-scale dissipation produce novel dynamics with… (More)

- K Shafer, Smith, John Marshall
- 2009

Satellite altimetric observations of the ocean reveal surface pressure patterns in the core of the Antarctic Circumpolar Current (ACC) that propagate downstream (eastward) but slower than the mean surface current by about 25%. The authors argue that these observations are suggestive of baroclinically unstable waves that have a steering level at a depth of… (More)

- James T Polynomials, Smith
- 1986

For any real coefficients a 0 , a 1 , ... , a n with n $ 0 and a n ' = 0, the function p defined by setting p(x) = a 0 + a 1 x + AAA + a n x n for all real x is called a real polynomial of degree n. Often, we write n = degree p and call a n its leading coefficient. The constant function with value zero is regarded as a real polynomial of degree –1. For each… (More)

- Fabio Cozman, Mei Amidi, Wes Chen, Jennifer Huang, Mike Kay, Smith +5 others
- 1997

The thesis advanced by this dissertation is that convex sets of probability distributions provide a powerful representational framework for decision making activities in Robotics and Artiicial Intelligence. The primary contribution of this dissertation is the development of algorithms for inference and estimation in two domains. The rst domain is robustness… (More)

As in the midlatitude atmosphere, midocean eddies are primarily generated by baroclinically unstable mean currents. In contrast to the atmosphere, however, oceanic currents are significantly nonzonal. Even weak nonzonal currents are linearly unstable since  does not suppress growing meridional waves. Theories for the nonlinear equilibration of baroclinic… (More)

- Antoine Venaille, Geoffrey K Vallis, K Shafer, Smith
- 2011

This paper examines the factors determining the distribution, length scale, magnitude, and structure of me-soscale oceanic eddies in an eddy-resolving primitive equation simulation of the Southern Ocean [Modeling Eddies in the Southern Ocean (MESO)]. In particular, the authors investigate the hypothesis that the primary source of mesoscale eddies is… (More)

- Mani Hossein-Zadeh, Kerry J Vahala, S B E T Little, H A Chu, J Haus, J.-P Foresi +113 others
- 2006

We describe techniques that enable fabrication of a new class of photonic devices based on free UH-Q microresonators. Preliminary results show that free silica microtoroids with Qs above 30 million can be fabricated and transferred to different platforms for integration with a variety of photonic devices. Very high-order microring resonator filters for WDM… (More)

- Ottmar Edenhofer, Ramón Germany, Pichs-Madruga, Youba Cuba, Mali Sokona, Shardul Agrawala +108 others
- 2014

- Lisa A Meeden, Michael Gasser, David Leake, F Robert, Paul Port, Linda Purdom +17 others
- 1994

Acknowledgements My advisor, Mike Gasser, has been a steady innuence throughout my graduate career. During our frequent meetings, Mike always seemed to ooer just the right amount of direction. He allowed me to work independently, but quickly provided encouragement and advice when I got oo track. I would also like to express my thanks to the rest of my… (More)

- Ross Tulloch, John Marshall, Chris Hill, K Shafer, Smith
- 2011

An observational, modeling, and theoretical study of the scales, growth rates, and spectral fluxes of baro-clinic instability in the ocean is presented, permitting a discussion of the relation between the local instability scale; the first baroclinic deformation scale R def ; and the equilibrated, observed eddy scale. The geography of the large-scale,… (More)