James McWilliams

Apr 12, 2024 | agupubs.onlinelibrary.wiley.com | Kaushik Srinivasan |Mickaël D. Chekroun |James McWilliams

1 Introduction Turbulent flows in physical systems span a vast range of spatial and temporal scales; in the Earth's oceans, for example, mesoscale eddies, the dominant reservoir of kinetic energy in the ocean, have scales of O(100 km) whereas, small-scale three dimensional motions at the air-sea interface driven by a combination of surface heating/cooling, wind action and the Earth's rotation have scales of O(1m).

Mar 30, 2024 | agupubs.onlinelibrary.wiley.com | James McWilliams |M. Jeroen Molemaker |Pierre Damien

1 Introduction Changing sea-level elevation ζ is perhaps the most readily measurable and measured oceanic property. Averaged over surface gravity waves, it expresses the tides and, at lower frequencies, the horizontal pressure gradient force for surface currents u ⃗ $\vec{u}$ . At even lower frequencies it expresses climate changes in global temperature and ice volume. Sea level is traditionally measured with coastal gauges.

Mar 12, 2024 | journals.ametsoc.org | Roy Barkan |Kaushik Srinivasan |James McWilliams

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Jan 15, 2024 | journals.ametsoc.org | Audrey Delpech |Roy Barkan |Kaushik Srinivasan |James McWilliams

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Dec 11, 2023 | link.aps.org | Jianping Gan |James McWilliams |Xianliang Chen

In this work, baroclinic instability in a current-undercurrent system is analyzed using the biglobal instability analysis (BIA). Idealized model flows are considered and the flow parameters are estimated from the Western North Pacific circulation system.