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HRCP Workshop Sessions

The scope of this workshop is to look at the scientific development of ocean models and global coupled prediction systems at resolutions of order 1/12° for seasonal to decadal prediction and short-range weather forecasting.


Workshop Sessions

Session 1: Why is high resolution required ? What are the expected improvements to processes and science outcomes ?

Session chairs are
David Ferreira (University of Reading)
Arnaud Czaja (Imperial College London)
David Marshall (University of Oxford)

  • What processes are we trying to resolve (better) and why are they important ?
  • What do we expect the impacts to be on seasonal means (e.g. in the Southern Ocean), the dominant modes of natural variability (e.g. ENSO, monsoons and diurnal cycles) or key events (e.g. the warming hiatus) ?


Session 2: Development of coherent designs and collaborations for experiments.

Session chairs are
Helene Hewitt (Met Office)
Baylor Fox-Kemper (Brown University)
Geoff Vallis (University of Exeter)

  • How should we initialize the coupled models and diagnose their drifts ?
  • How can/should we assess/validate high-resolution ocean model simulations ?
  • How do we design experiments to assess the impact on specific phenomena (e.g. MJO, monsoon, TIW, opening of polynyas) ?


Session 3: What are the numerical, HPC and parameterisation challenges of high resolution ?

Session chairs are
Adrian New (National Oceanographic Centre)
Julie McLean (Scripps Institution of Oceanography)
Julien le Sommer (CNRS)

  • It will not be possible to do many experiments with the high-resolution coupled system and the lengths of the integrations will be limited. How do we use our experience to help us set things up “right first time”?
  • Which aspects of the models are key to performance (e.g. mixed layers, representation of overflows, control of near grid-scale mixing) ?
  • What are the main challenges and limitations we face exploiting modern HPCs (data management issues) ?
  • How should we choose the atmosphere-ocean resolution ratio and ensure the fidelity of atmosphere-ice-ocean coupling ?