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Computer Technology has Revolutionized Science. This has motivated scientists to develop mathematical model to simulate salient features of Physical universe. These models can approximate reality at many levels of scale such as atomic…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-01-12 Vijay Dhir , Rattan K. Datta , Maitreyee Dutta

Due to computational constraints, running global climate models (GCMs) for many years requires a lower spatial grid resolution (${\gtrsim}50$ km) than is optimal for accurately resolving important physical processes. Such processes are…

The simulation and parameter optimization of coupled ocean circulation and ecosystem models in three space dimensions is one of the most challenging tasks in numerical climate research. Here we present a scientific toolkit that aims at…

Atmospheric and Oceanic Physics · Physics 2014-10-02 Jaroslaw Piwonski , Thomas Slawig

Current climate models often struggle with accuracy because they lack sufficient resolution, a limitation caused by computational constraints. This reduces the precision of weather forecasts and long-term climate predictions. To address…

Atmospheric and Oceanic Physics · Physics 2024-10-03 Adib Bazgir , Yuwen Zhang

CASIM is a microphysics scheme which calculates the interaction between moisture droplets in the atmosphere and forms a critical part of weather and climate modelling codes. However the calculations involved are computationally intensive…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-29 Nick Brown , Alexandr Nigay , Michèle Weiland , Adrian Hill , Ben Shipway

Global climate projections rely on computationally demanding Earth System Models (ESMs), which are typically limited to coarse spatial resolutions due to their high cost. To obtain high-resolution projections for regions of interest, it is…

Atmospheric and Oceanic Physics · Physics 2026-03-05 Erik Larsson , Ramon Fuentes-Franco , Mikhail Ivanov , Fredrik Lindsten

AI-based weather and climate models are emerging as accurate and computationally efficient tools. Beyond weather forecasting, they also show promise to accelerate storyline analyses. We evaluate NeuralGCM's ability to simulate an extreme…

Atmospheric and Oceanic Physics · Physics 2025-06-12 Shiheng Duan , Jishi Zhang , Céline Bonfils , Giuliana Pallotta

Despite advances in climate modeling, simulating the El Ni\~no-Southern Oscillation (ENSO) remains challenging due to its spatiotemporal diversity and complexity. To address this, we build upon existing model hierarchies to develop a new…

Atmospheric and Oceanic Physics · Physics 2025-03-27 Jinyu Wang , Xianghui Fang , Nan Chen , Bo Qin , Mu Mu , Chaopeng Ji

Regional Climate Models (RCM) describe the meso scale global atmospheric and oceanic dynamics and serve as dynamical downscaling models. In other words, RCMs use atmospheric and oceanic climate output from General Circulation Models (GCM)…

Integrated energy systems (IESs), in which various energy flows are interconnected and coordinated to release potential flexibility for more efficient and secure operation, have drawn increasing attention in recent years. In this article,…

Systems and Control · Electrical Eng. & Systems 2022-10-21 Binbin Chen , Qinglai Guo , Guanxiong Yin , Bin Wang , Zhaoguang Pan , Yuwei Chen , Wenchuan Wu , Hongbin Sun

Numerical models used in weather and climate prediction take into account a comprehensive set of atmospheric processes such as the resolved and unresolved fluid dynamics, radiative transfer, cloud and aerosol life cycles, and mass or energy…

Atmospheric and Oceanic Physics · Physics 2021-10-11 Hui Wan , Kai Zhang , Philip J. Rasch , Vincent E. Larson , Xubin Zeng , Shixuan Zhang , Ross Dixon

Time series imputation models have traditionally been developed using complete datasets with artificial masking patterns to simulate missing values. However, in real-world infrastructure monitoring, practitioners often encounter datasets…

Machine Learning · Computer Science 2025-06-26 Ryan Hildebrant , Rahul Bhope , Sharad Mehrotra , Christopher Tull , Nalini Venkatasubramanian

Physics-based atmosphere-land models with prescribed sea surface temperature have notable successes but also biases in their ability to represent atmospheric variability compared to observations. Recently, AI emulators and hybrid models…

Atmospheric and Oceanic Physics · Physics 2026-04-22 Ian Baxter , Hamid Pahlavan , Pedram Hassanzadeh , Katharine Rucker , Tiffany Shaw

Climate projections using data driven machine learning models acting as emulators, is one of the prevailing areas of research to enable policy makers make informed decisions. Use of machine learning emulators as surrogates for…

Machine Learning · Computer Science 2023-08-24 Anmol Chaure , Ashok Kumar Behera , Sudip Bhattacharya

Full-complexity Earth system models (ESMs) are computationally very expensive, limiting their use in exploring the climate outcomes of multiple emission pathways. More efficient emulators that approximate ESMs can directly map emissions…

Machine Learning · Computer Science 2025-10-01 Björn Lütjens , Raffaele Ferrari , Duncan Watson-Parris , Noelle Selin

The increasing energy demands and carbon footprint of large-scale AI require intelligent workload management in globally distributed data centers. Yet progress is limited by the absence of benchmarks that realistically capture the interplay…

We compare the performance of a recently proposed empirical climate model based on astronomical harmonics against all available general circulation climate models (GCM) used by the IPCC (2007) to interpret the 20th century global surface…

Geophysics · Physics 2012-01-09 Nicola Scafetta

Integrated Assessment Models (IAMs) of the climate and economy aim to analyze the impact and efficacy of policies that aim to control climate change, such as carbon taxes and subsidies. A major characteristic of IAMs is that their…

General Economics · Economics 2020-10-20 Yongyang Cai

The development of a kilometer-scale E3SM Land Model (km-scale ELM) is an integral part of the E3SM project, which seeks to advance energy-related Earth system science research with state-of-the-art modeling and simulation capabilities on…

Computational Engineering, Finance, and Science · Computer Science 2025-01-22 Dali Wang , Chen Wang , Qinglei Cao , Peter Schwartz , Fengming Yuan , Jayesh Krishna , Danqing Wu , Danial Ricciuto , Peter Thornton , Shih-Chieh Kao , Michele Thornton , Kathryn Mohror

Combinatorial optimization problems are computationally hard in general, but they are ubiquitous in our modern life. A coherent Ising machine (CIM) based on a multiple-pulse degenerate optical parametric oscillator (DOPO) is an alternative…