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This chapter is dedicated to the slow dynamics of the climate system, at time scales of one~thousand to one million years. We focus specifically on the phenomenon of ice ages that has characterised the slow evolution of climate over the…

Atmospheric and Oceanic Physics · Physics 2015-12-14 Michel Crucifix , Guillaume Lenoir , Takahito Mitsui

We solve the attractive Hubbard model for arbitrary interaction strengths within dynamical mean-field theory. We compute the transition temperature for superconductivity and analyze electron pairing in the normal phase. The normal state is…

Strongly Correlated Electrons · Physics 2009-11-07 M. Keller , W. Metzner , U. Schollwoeck

The TRAPPIST-1, Proxima Centauri, and LHS 1140 systems are the most exciting prospects for future follow-up observations of potentially inhabited planets. All orbit nearby M-stars and are likely tidally locked in 1:1 spin-orbit states,…

Earth and Planetary Astrophysics · Physics 2017-08-30 Jade Checlair , Kristen Menou , Dorian S. Abbot

Condensible substances are nearly ubiquitous in planetary atmospheres. For the most familiar case-water vapor in Earth's present climate-the condensible gas is dilute, in the sense that its concentration is everywhere small relative to the…

Earth and Planetary Astrophysics · Physics 2016-08-17 Feng Ding , Raymond T. Pierrehumbert

Distant planets in globally ice-covered, "snowball", states may depend on increases in their host stars' luminosity to become hospitable for surface life. Using a General Circulation Model (GCM), we simulated the equilibrium climate…

Earth and Planetary Astrophysics · Physics 2015-06-19 Aomawa L. Shields , Cecilia M. Bitz , Victoria S. Meadows , Manoj M. Joshi , Tyler D. Robinson

This paper presents a version of the HEXTOR energy balance model that has been configured for the study of habitable terrestrial planets orbiting low-mass stars. The model is validated for rapidly-rotating Earth-like planets using…

Earth and Planetary Astrophysics · Physics 2026-05-11 Jacob Haqq-Misra

The solar contribution to global mean air surface temperature change is analyzed by using an empirical bi-scale climate model characterized by both fast and slow characteristic time responses to solar forcing: $\tau_1 =0.4 \pm 0.1$ yr, and…

Geophysics · Physics 2014-11-20 Nicola Scafetta

Data-driven machine learning models for weather forecasting have made transformational progress in the last 1-2 years, with state-of-the-art ones now outperforming the best physics-based models for a wide range of skill scores. Given the…

Several environmental tipping points and self-reinforcing feedback loops are still disregarded within the frequently used climate models. Thus, existing climate models are not very representative for providing projections of the conditions…

Atmospheric and Oceanic Physics · Physics 2022-08-09 Beril Sirmacek

Freshwater forcing from a retreating Antarctic Ice Sheet could have a wide range of impacts on future global climate. Here, we report on multi-century (present-2250) climate simulations performed using a fully coupled numerical model…

Atmospheric and Oceanic Physics · Physics 2020-05-21 Shaina Rogstad , Alan Condron , Robert DeConto , David Pollard

Tipping elements in the climate system are large-scale subregions of the Earth that might possess threshold behavior under global warming with large potential impacts on human societies. Here, we study a subset of five tipping elements and…

Atmospheric and Oceanic Physics · Physics 2023-10-25 Nico Wunderling , Maximilian Gelbrecht , Ricarda Winkelmann , Jürgen Kurths , Jonathan Donges

This study investigates how conditional normalizing flows can be applied to remote sensing data products in climate science for spatio-temporal prediction. The method is chosen due to its desired properties such as exact likelihood…

Machine Learning · Computer Science 2024-06-03 Christina Winkler , David Rolnick

The glassy dynamics of soft harmonic spheres is often mapped onto the dynamics of hard spheres by considering an effective diameter for the soft particles and therefore an effective packing fraction. While in this approach the thermal…

Soft Condensed Matter · Physics 2019-02-25 Moumita Maiti , Michael Schmiedeberg

Climate models robustly imply that some significant change in precipitation patterns will occur. Models consistently project that the intensity of individual precipitation events increases by approximately 6-7%/K, following the increase in…

Applications · Statistics 2016-12-21 Won Chang , Michael L. Stein , Jiali Wang , V. Rao Kotamarthi , Elisabeth J. Moyer

Carbonate-silicate weathering feedback is thought to stabilize Earth's climate on geologic timescales. If climate warms, faster mineral dissolution and increased rainfall speed up weathering, increasing CO2 drawdown and opposing the initial…

Earth and Planetary Astrophysics · Physics 2025-08-01 Brandon Park Coy , Edwin S. Kite , R. J. Graham

The possibility of an increasing gravitational constant $G$ and its implication on the Earth's history are discussed. The model is consistent with geophysical and astronomical data. The number of days in early epochs predicted by the model…

Geophysics · Physics 2016-09-08 Arbab I. Arbab

Even if their detection is for now challenging, observation of small terrestrial planets will be easier in a near future thanks to continuous improvements of detection and characterisation instruments. In this quest, climate modeling is a…

Earth and Planetary Astrophysics · Physics 2023-12-20 G. Chaverot , E. Bolmont , M. Turbet

This paper is a continuation of a study by Douglass and Clader. We extend the analysis through December 2003 using the latest updates of the observational temperature and solar irradiance data sets in addition to a new volcano proxy data…

Geophysics · Physics 2007-05-23 David H. Douglass , B. David Clader , Robert S. Knox

Sublimation of drifting snow, which is significant for the balances of mass and energy of the polar ice sheet, is a complex physical process with intercoupling between ice crystals, wind field, temperature, and moisture. Here a…

Atmospheric and Oceanic Physics · Physics 2019-11-21 Zhengshi Wang , Ning Huang , Thomas Pähtz

According to the standard liquid-water definition, the Earth is only partially habitable. We reconsider planetary habitability in the framework of energy-balance models, the simplest seasonal models in physical climatology, to assess the…

Astrophysics · Physics 2009-11-13 David S. Spiegel , Kristen Menou , Caleb A. Scharf