T. N. Palmer
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View article: Testing Quantum Mechanics with Quantum Computers: Qubit Information Capacity
Testing Quantum Mechanics with Quantum Computers: Qubit Information Capacity Open
Motivated in part by John Wheeler's assertion that the continuum nature of Hilbert Space conceals the information-theoretic character of the quantum wavefunction, a specific discretisation of complex Hilbert Space is proposed. Although the…
View article: CO2-induced climate change assessment for the extreme 2022 Pakistan rainfall using seasonal forecasts
CO2-induced climate change assessment for the extreme 2022 Pakistan rainfall using seasonal forecasts Open
View article: Experimental tests of invariant set theory
Experimental tests of invariant set theory Open
We identify points of difference between Invariant Set Theory and standard quantum theory, and show that these lead to noticeable differences in predictions between the two theories. We design a number of experiments to test which of these…
View article: Postprocessing East African Rainfall Forecasts Using a Generative Machine Learning Model
Postprocessing East African Rainfall Forecasts Using a Generative Machine Learning Model Open
Existing weather models are known to have poor skill at forecasting rainfall over East Africa. Improved forecasts could reduce the effects of extreme weather events and provide significant socioeconomic benefits to the region. We present a…
View article: Butterfly effects
Butterfly effects Open
View article: Taxonomy for physics beyond quantum mechanics
Taxonomy for physics beyond quantum mechanics Open
We propose terminology to classify interpretations of quantum mechanics and models that modify or complete quantum mechanics. Our focus is on models which have previously been referred to as superdeterministic (strong or weak), retrocausal…
View article: Heatwave attribution based on reliable operational weather forecasts
Heatwave attribution based on reliable operational weather forecasts Open
View article: Earth Virtualization Engines (EVE)
Earth Virtualization Engines (EVE) Open
To manage Earth in the Anthropocene, new tools, new institutions, and new forms of international cooperation will be required. Earth Virtualization Engines is proposed as an international federation of centers of excellence to empower all …
View article: Postprocessing East African rainfall forecasts using a generative machine learning model
Postprocessing East African rainfall forecasts using a generative machine learning model Open
Existing weather models are known to have poor skill at forecasting rainfall over East Africa, where there are regular threats of drought and floods. Improved precipitation forecasts could reduce the effects of these extreme weather events…
View article: Postprocessing East African rainfall forecasts using a generative machine learning model
Postprocessing East African rainfall forecasts using a generative machine learning model Open
Existing weather models are known to have poor skill at forecasting rainfall over East Africa, where there are regular threats of drought and floods. Improved forecasts could reduce the effects of these extreme weather events and provide s…
View article: The Signal-to-Noise Paradox in Climate Forecasts: Revisiting Our Understanding and Identifying Future Priorities
The Signal-to-Noise Paradox in Climate Forecasts: Revisiting Our Understanding and Identifying Future Priorities Open
Nearly 40 participants from universities (Oxford, Reading, Exeter, Leeds, Lincoln), the National Centre for Atmospheric Science (NCAS) and operational forecasting centers (Met Office, ECMWF) in the UK as well as from the Hebrew University …
View article: Superdeterminism without Conspiracy
Superdeterminism without Conspiracy Open
Superdeterminism—where the Measurement Independence assumption in Bell’s Theorem is violated—is frequently assumed to imply implausibly conspiratorial correlations between properties λ of particles being measured and measurement settings x…
View article: Deep learning for quality control of surface physiographic fields using satellite Earth observations
Deep learning for quality control of surface physiographic fields using satellite Earth observations Open
A purposely built deep learning algorithm for the Verification of Earth System ParametERization (VESPER) is used to assess recent upgrades to the global physiographic datasets underpinning the quality of the Integrated Forecasting System (…
View article: Comment on essd-2023-376
Comment on essd-2023-376 Open
Abstract. To manage Earth in the Anthropocene, new tools, new institutions, and new forms of international cooperation will be required. Earth Virtualization Engines are proposed as international federation of centers of e…
View article: Computing the ecRad radiation scheme with half-precision arithmetic
Computing the ecRad radiation scheme with half-precision arithmetic Open
Numerical simulations of weather and climate models are conventionally carried out using double-precision floating-point numbers throughout the vast majority of the code. At the same time, the urgent need of high-resolution forecasts given…
View article: Further analysis of cGAN: A system for Generative Deep Learning Post-processing of Precipitation
Further analysis of cGAN: A system for Generative Deep Learning Post-processing of Precipitation Open
The conditional generative adversarial rainfall model "cGAN" developed for the UK \cite{Harris22} was trained to post-process into an ensemble and downscale ERA5 rainfall to 1km resolution over three regions of the USA and the UK. Relative…
View article: Comment on essd-2023-376
Comment on essd-2023-376 Open
Abstract. To manage Earth in the Anthropocene, new tools, new institutions, and new forms of international cooperation will be required. Earth Virtualization Engines are proposed as international federation of centers of e…
View article: Earth Virtualization Engines (EVE)
Earth Virtualization Engines (EVE) Open
To manage Earth in the Anthropocene, new tools, new institutions, and new forms of international cooperation will be required. Earth Virtualization Engines are proposed as international federation of centers of excellence to empower all pe…
View article: Taxonomy for Physics Beyond Quantum Mechanics
Taxonomy for Physics Beyond Quantum Mechanics Open
We propose terminology to classify interpretations of quantum mechanics and models that modify or complete quantum mechanics. Our focus is on models which have previously been referred to as superdeterministic (strong or weak), retrocausal…
View article: Review of: "Bell's theorem is an exercise in the statistical theory of causality"
Review of: "Bell's theorem is an exercise in the statistical theory of causality" Open
Potential competing interests: No potential competing interests to declare.Richard Gill uses causal inference modelling to derive Bell's inequality.However, there is a problem with this approach, right from the get-go.Causal inference theo…
View article: Superdeterminism Without Conspiracy
Superdeterminism Without Conspiracy Open
Superdeterminism - where the Measurement Independence assumption in Bell's Theorem is violated - is frequently assumed to imply implausibly conspiratorial correlations between properties $λ$ of particles being measured and measurement sett…
View article: Periodic orbits in chaotic systems simulated at low precision
Periodic orbits in chaotic systems simulated at low precision Open
Non-periodic solutions are an essential property of chaotic dynamical systems. Simulations with deterministic finite-precision numbers, however, always yield orbits that are eventually periodic. With 64-bit double-precision floating-point …
View article: Superdeterministic loophole
Superdeterministic loophole Open
View article: Deep Learning for Verification of Earth's surfaces
Deep Learning for Verification of Earth's surfaces Open
Ever increasing computing capabilities and crave for high-resolution numerical weather prediction and climate information are specially interesting for the representation of Earth surfaces. Knowledge of accurate and up-to-date surface stat…
View article: The seasonal teleconnections of the Indian Ocean Dipole to the North Atlantic region
The seasonal teleconnections of the Indian Ocean Dipole to the North Atlantic region Open
The Indian Ocean Dipole (IOD) is a major source of seasonal climate variability in theIndian Ocean. This dipole has strong impacts on the Indian Ocean region and throughteleconnections can influence the seasonal climate of remote regions l…
View article: Improving post-processing of East African precipitation forecasts using a generative machine learning model
Improving post-processing of East African precipitation forecasts using a generative machine learning model Open
Existing weather models are known to have poor skill over Africa, where there are regular threats of drought and floods that present significant risks to people's lives and livelihoods. Improved precipitation forecasts could help mitigate …
View article: Climate‐change modelling at reduced floating‐point precision with stochastic rounding
Climate‐change modelling at reduced floating‐point precision with stochastic rounding Open
Reduced‐precision floating‐point arithmetic is now deployed routinely in numerical weather forecasting over short timescales. However, the applicability of these reduced‐precision techniques to longer‐timescale climate simulations—especial…
View article: Comment on egusphere-2022-1177
Comment on egusphere-2022-1177 Open
Abstract. About 2/3 of all densely populated areas (i.e. at least 300 inhabitants per km2) around the globe are situated within a 9 km radius of a permanent waterbody (i.e. inland water or sea/ocean coast), sinc…
View article: On the interaction of stochastic forcing and regime dynamics
On the interaction of stochastic forcing and regime dynamics Open
Stochastic forcing can, sometimes, stabilise atmospheric regime dynamics, increasing their persistence. This counter-intuitive effect has been observed in geophysical models of varying complexity, and here we investigate the mechanisms und…
View article: Comment on egusphere-2022-1177
Comment on egusphere-2022-1177 Open
Abstract. About 2/3 of all densely populated areas (i.e. at least 300 inhabitants per km2) around the globe are situated within a 9 km radius of a permanent waterbody (i.e. inland water or sea/ocean coast), sinc…