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  • Tracer ages in the atmosphere and ocean
    Mar
    21

    Tracer ages in the atmosphere and ocean

    KST 14:00 – 15:00 | Join us online click here

    We will conclude by looking at the age of a number of tracers, taking examples from the stratosphere and Pacific Ocean. 

  • Spontaneous convective aggregation in the tropics – Is it important and is it real?
    Mar
    16

    Spontaneous convective aggregation in the tropics – Is it important and is it real?

    KST 16:00 – 17:00 | Join us online click here

    This talk will present the concept of convective aggregation on the mesoscale in idealized cloud resolving models, in highly simplified stochastic models and in the latest observations in the tropical […]

  • Tracer Age
    Mar
    14

    Tracer Age

    KST 14:00 – 15:00 | Join us online click here

    Tracers that have a time history of input can be used to provide information on when the water or air was last at the surface. Mixing complicates the issue. We […]

  • Progress of ERA5, and its use in studies of atmospheric trends and variability
    Mar
    11

    Progress of ERA5, and its use in studies of atmospheric trends and variability

    KST 16:00 – 17:00 | Join us online click here

    ERA5 is ECMWF’s latest comprehensive reanalysis of meteorological and related observations made over multiple decades. It has been released in final form covering 1979 onwards, with an improved (ERA5.1) version […]

  • Transit Time Distributions
    Mar
    07

    Transit Time Distributions

    KST 14:00 – 15:00 | Join us online click here

    I will introduce the concept of transit time distributions and how they can be used to consider what influences the properties of water and air at a particular location and […]

  • Lagrangian Coherent Structures – continued
    Feb
    28

    Lagrangian Coherent Structures – continued

    KST 14:00 – 15:00 | Join us online click here

    We will continue to discuss Lagrangian Coherent Structures, in particular focusing on the impact of hyperbolic points, the braking of transport barriers, and the dispersion of larvae around Hawaii.

  • Lagrangian Coherent Structures
    Feb
    23

    Lagrangian Coherent Structures

    KST 14:00 – 15:00 | Join us online click here

    Topics covered include: Eulerian versus Lagrangian approaches, particle trajectories and phase space, material surfaces and invarient manifolds, stable and unstable manifolds and their detection.

  • Properties of turbulence
    Feb
    21

    Properties of turbulence

    KST 14:00 – 15:00 | Join us online click here

    We will consider some basic properties of turbulent flows. Topics covered include: The Kolmogorov and Batchelor scales, flow instabilities, the turbulent kinetic energy equation, inferring turbulent diffusivity from measurements of […]