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An Information Theoretic Approach to Improving the Reliability of Weather and Climate Simulations

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Publications

Compressing atmospheric data into its real information content

Author(s): Milan Klower, Miha Razinger, Juan J Dominguez, Peter Duben, Tim Palmer
Published in: Nature Computational Science, 2021, ISSN 2662-8457
Publisher: Nature
DOI: 10.1038/s43588-021-00156-2

Forecast-based attribution of a winter heatwave within the limit of predictability

Author(s): Nicholas Leach, Antje Weisheimer, Myles Allen, Tim Palmer
Published in: Proceedings of the National Academy of Sciences, 2021, ISSN 0027-8424
Publisher: National Academy of Sciences
DOI: 10.1073/pnas.2112087118

Fluid simulations accelerated with 16 bits: Approaching 4x speedup on A64FX by squeezing ShallowWaters.jl into Float16

Author(s): Milan Klöwer, Sam Hatfield, Matteo Croci, Peter D. Düben, Tim N. Palmer
Published in: Journal of Advances in Modelling Earth Systems, 2022, ISSN 1942-2466
Publisher: American Geophysical Union
DOI: 10.1029/2021ms002684

The physics of numerical analysis: a climate modelling case study

Author(s): T. N. Palmer
Published in: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 378/2166, 2020, Page(s) 20190058, ISSN 1364-503X
Publisher: Royal Society of London
DOI: 10.1098/rsta.2019.0058

Single-Precision in the Tangent-Linear and Adjoint Models of Incremental 4D-Var

Author(s): Sam Hatfield, Andrew McRae, Tim Palmer, Peter Düben
Published in: Monthly Weather Review, 148/4, 2020, Page(s) 1541-1552, ISSN 0027-0644
Publisher: American Meteorological Society
DOI: 10.1175/mwr-d-19-0291.1

The scaling and skewness of optimally transported meshes on the sphere

Author(s): Chris J. Budd, Andrew T.T. McRae, Colin J. Cotter
Published in: Journal of Computational Physics, 375, 2018, Page(s) 540-564, ISSN 0021-9991
Publisher: Academic Press
DOI: 10.1016/j.jcp.2018.08.028

Reduced‐precision parametrization: lessons from an intermediate‐complexity atmospheric model

Author(s): Leo Saffin, Sam Hatfield, Peter Düben, Tim Palmer
Published in: Quarterly Journal of the Royal Meteorological Society, 2020, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3754

The scientific challenge of understanding and estimating climate change

Author(s): Tim Palmer, Bjorn Stevens
Published in: Proceedings of the National Academy of Sciences, 116/49, 2019, Page(s) 24390-24395, ISSN 0027-8424
Publisher: National Academy of Sciences
DOI: 10.1073/pnas.1906691116

More accuracy with less precision

Author(s): Simon T. K. Lang, Andrew Dawson, Michail Diamantakis, Peter Dueben, Samuel Hatfield, Martin Leutbecher, Tim Palmer, Fernando Prates, Christopher D. Roberts, Irina Sandu, Nils Wedi
Published in: Quarterly Journal of the Royal Meteorological Society, 2021, ISSN 1477-870X
Publisher: John Wiley and Sons
DOI: 10.1002/qj.4181

Climate Modelling in Low-Precision: Effects of both Deterministic & Stochastic Rounding

Author(s): Adam Paxton, Matthew Chantry, Milan Klöwer, Leo Saffin, Tim Palmer
Published in: Journal of Climate, 2022, ISSN 0894-8755
Publisher: American Meteorological Society
DOI: 10.1175/jcli-d-21-0343.1

Machine Learning Emulation of Gravity Wave Drag in Numerical Weather Forecasting

Author(s): Matthew Chantry, Sam Hatfield, Peter Dueben, Inna Polichtchouk, Tim Palmer
Published in: Journal of Advances in Modeling Earth Systems, 13/7, 2021, ISSN 1942-2466
Publisher: American Geophysical Union
DOI: 10.1029/2021ms002477

Using reduced-precision arithmetic in the adjoint model of MITgcm

Author(s): Andrew McRae, Tim Palmer
Published in: 2020
Publisher: Cornell

SoftPosit.jl

Author(s): M Kloewer, M Giordano
Published in: Zenodo, 2019
Publisher: Zenodo
DOI: 10.5281/zenodo.3541798

ShallowWaters.jl

Author(s): M Kloewer
Published in: Zenodo, 2020
Publisher: zenodo
DOI: 10.5281/zenodo.3626102

Sonums.jl

Author(s): M Kloewer
Published in: Zenodo, 2019
Publisher: Zenodo
DOI: 10.5281/zenodo.3531886

Sherlogs.jl

Author(s): M Kloewer
Published in: Zonodo, 2019
Publisher: Zonodo
DOI: 10.5281/zenodo.3543604

Float8s.jl

Author(s): M Kloewer
Published in: Github, 2019
Publisher: Github

LogFixPoint16s.jl

Author(s): M Kloewer
Published in: github, 2019
Publisher: github

StochasticRounding.jl

Author(s): M Kloewer
Published in: github, 2019
Publisher: github

Lorenz63.jl

Author(s): M Kloewer
Published in: Zenodo, 2019
Publisher: Zenodo
DOI: 10.5281/zenodo.3541740

Jenks.jl

Author(s): M Kloewer
Published in: github, 2019
Publisher: github

Lorenz96.jl

Author(s): M Kloewer
Published in: Zenodo, 2019
Publisher: zenodo
DOI: 10.5281/zenodo.3541775

coolFFT.jl

Author(s): M Kloewer
Published in: github, 2019
Publisher: github

Compatible Finite Element Methods for Geophysical Flows - Automation and Implementation Using Firedrake

Author(s): Thomas Gibson, Andrew McRae, Colin Cotter, Lawrence Mitchell, David Ham
Published in: 2019, ISBN 978-3-030-23957-2
Publisher: Springer
DOI: 10.1007/978-3-030-23957-2

Posits as an alternative to floats for weather and climate models

Author(s): Milan Klöwer, Peter D. Düben, Tim N. Palmer
Published in: Proceedings of the Conference for Next Generation Arithmetic 2019 on - CoNGA'19, 2019, Page(s) 1-8, ISBN 9781-450371391
Publisher: ACM Press
DOI: 10.1145/3316279.3316281