Providing The Archer Community With Adjoint Modelling Tools For High Performance Oceanographic And Cryospheric Computation

The MITgcm (MIT General Circulation Model, http://mitgcm.org/) is a numerical model designed for study of the atmosphere, ocean, and climate (Marshall et al. 1997a,b). Its nonChydrostatic formulation enables it to simulate fluid phenomena over a wide range of scales; its adjoint capability enables i...

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Bibliographic Details
Main Authors: Pringle, Gavin J., Jones, Daniel C., Goswami, Sudipta, Narayanan, Sri Hari Krishna, Goldberg, Daniel
Format: Report
Language:English
Published: Zenodo 2016
Subjects:
ARCHER
eCSE
MITgcm
Antarctic
Archer
Ferreira
Antarc*
British Antarctic Survey
Online Access:https://dx.doi.org/10.5281/zenodo.1317977
https://zenodo.org/record/1317977
Description
Summary:The MITgcm (MIT General Circulation Model, http://mitgcm.org/) is a numerical model designed for study of the atmosphere, ocean, and climate (Marshall et al. 1997a,b). Its nonChydrostatic formulation enables it to simulate fluid phenomena over a wide range of scales; its adjoint capability enables it to be applied to sensitivity analysis and state estimation problems. By employing fluid isomorphisms, one hydrodynamical kernel can be used to simulate flow in both the atmosphere and ocean. This report describes the work undertaken under the embedded CSE programme of the ARCHER UK National Supercomputing Service (www.archer.ac.uk), and was entitled “Providing the ARCHER community with adjoint modelling tools for highCperformance oceanographic and cryospheric computation”, where the main proposer was Dr Dan Jones (British Antarctic Survey, or BAS), with coCproposers Dr Dan Goldberg (University of Edinburgh, or UoE), Dr Paul Holland (BAS), and Dr David Ferreira (Reading University). The technical work, performed by Dr Sudipta Goswami (BAS) and Dr Gavin Pringle (UoE), was undertaken between midCFebruary and midCDecember, 2015. A recent version of MITgcm, namely version c65i, has been ported to ARCHER for all ARCHER users.

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