Colloquium Lecture on Global Warming Prediction Models and Introduction to PRACE

November 13th, 2013

Mordechai (Moti) Butrashvily, one of the 24 participants handpicked from a field of over 200 applicants for the prestigious PRACE Summer of HPC program, will deliver a colloquium lecture on “Global Warming Predictions with CESM, using Supercomputers and GPUs.” The lecture will provide an overview of the work he conducted while at the Niels Bohr Institute of the University of Copenhagen (UCHP) during the summer of 2013.

The lecture will take place on Monday, December 9th, 11:00 in the Holcblatt Hall (007), Shenkar Physics building on the Tel Aviv University campus in Ramat Aviv and is open to the public.

Abstract:
Global warming predictions are underestimated by climate modeling software. Some of the reasons are due to lacking physical processes, inherent energy inconsistency, but others are related to computational power needed to run these models accurately and high resolution.

CESM is a global climate model developed by NCAR, used by many research institutes and a main tool for producing the IPCC report. It is a fully coupled model, combining multiple geophysical sources to simulate Earth climate, in the past, present and future.
A thesis was suggested to better account the impact of ocean NIW (Near-Inertial Waves) for the deficiency introduced by climate models to correctly predict global warming phenomena, in particular, ice melting at the arctic.

The talk will present a study performed during a PRACE project in Denmark to accelerate CESM computations using supercomputers and GPGPUs. We will discuss scientific issues as well as technical.
If time permits, a live demonstration of a CESM run will be performed.

 

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