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Air-sea drag governs the momentum transfer between the atmosphere and the ocean, and remains largely unknown in hurricane winds. We revisit the momentum budget and eddy-covariance methods to estimate the surface drag coefficient in the…

大气与海洋物理 · 物理学 2020-09-15 Milan Curcic , Brian K. Haus

We study a two-layer energy balance model, that allows for vertical exchanges between a surface layer and the atmosphere. The evolution equations of the surface temperature and the atmospheric temperature are coupled by the emission of…

偏微分方程分析 · 数学 2023-12-27 Piermarco Cannarsa , Valerio Lucarini , Patrick Martinez , Cristina Urbani , Judith Vancostenoble

The surface zonal winds observed in the giant planets form a complex jet pattern with alternating prograde and retrograde direction. While the main equatorial band is prograde on the gas giants, both ice giants have a pronounced retrograde…

地球与行星天体物理 · 物理学 2015-06-12 T. Gastine , J. Wicht , J. M. Aurnou

We present a computationally efficient 1-D seasonal radiative model, with convective adjustment, of Jupiter's atmosphere. Our model takes into account radiative forcings from the main hydrocarbons (methane, ethane, acetylene), ammonia,…

地球与行星天体物理 · 物理学 2020-11-13 Sandrine Guerlet , Aymeric Spiga , Thierry Fouchet , Hugues Delattre

The influence of fluctuating conductivity on the coefficients known from the mean-field electrodynamics is considered. If the conductivity fluctuations are assumed as uncorrelated with the turbulent velocity field then only the effective…

等离子体物理 · 物理学 2020-07-15 G. Rüdiger , M. Küker , P. J. Käpylä

In this work, we introduce a new jet observable, the one-point energy correlators (EC), designed to characterize the in-jet energy flow distribution by measuring energy deposition at a specific angle relative to the jet axis. Building upon…

高能物理 - 唯象学 · 物理学 2025-07-31 Zihao Mi , Zhan Wang

Context. Atmospheric superrotating flows at the equator are an almost ubiquitous result of simulations of hot Jupiters, and a theory explaining how this zonally coherent flow reaches an equilibrium has been developed in the literature.…

地球与行星天体物理 · 物理学 2020-01-08 Florian Debras , Nathan Mayne , Isabelle Baraffe , Etienne Jaupart , Pierre Mourier , Guillaume Laibe , Tom Goffrey , John Thuburn

Faraday waves are a classic example of a system in which an extended pattern emerges under spatially uniform forcing. Motivated by systems in which uniform excitation is not plausible, we study both experimentally and theoretically the…

We study the propagation of monochromatic surface waves on a turbulent flow. The flow is generated in a layer of liquid metal by an electromagnetic forcing. This forcing creates a quasi two-dimensional (2D) turbulence with strong vertical…

流体动力学 · 物理学 2015-11-19 Pablo Gutiérrez , Sébastien Aumaitre

Atmospheric transient eddies and low-frequency flow contribution to the ocean surface wave climate in the North Atlantic during boreal winter is investigated (1980 - 2016). We conduct a set of numerical simulations with a state-of-the-art…

大气与海洋物理 · 物理学 2021-06-10 Margarita Markina , Josh Studholme , Sergey Gulev

We introduce a class of stochastic weakly coupled map lattices, as models for studying heat conduction in solids. Each particle on the lattice evolves according to an internal dynamics that depends on its energy, and exchanges energy with…

统计力学 · 物理学 2013-02-18 François Huveneers

This is our response to a comment by Walter Eifler on our paper `A simple model for the short-time evolution of near-surface current and temperature profiles' (arXiv:physics/0503186, accepted for publication in Deep-Sea Research II).…

大气与海洋物理 · 物理学 2009-11-11 Alastair D. Jenkins , Brian Ward

Gamma-ray emission during long-duration gamma-ray flare (LDGRF) events is thought to be caused mainly by $>$300 MeV protons interacting with the ambient plasma at or near the photosphere. Prolonged periods of the gamma-ray emission have…

In this work, the effects of the extensive air showers (EAS) were described by estimating the lateral distribution function (LDF) at very high energies of various cosmic ray particles. LDF was simulated for charged particles such as the…

高能天体物理现象 · 物理学 2020-08-06 Hassanen Abdulhussaen Jassim , A. A. Al-Rubaiee , Iman Tarik Al-Alawy

The paper analyzes the phenomenon of turbulent thermal diffusion in the Earth atmosphere, its relation to the turbulent diffusion and its potential impact on aerosol distribution. This phenomenon was predicted theoretically more than 10…

大气与海洋物理 · 物理学 2015-05-13 M. Sofiev , V. Sofieva , T. Elperin , N. Kleeorin , I. Rogachevskii , S. S. Zilitinkevich

The onset of convection in a rapidly rotating layer in which a thermal wind is present is studied. Diffusive effects are included. The main motivation is from convection in planetary interiors, where thermal winds are expected due to…

流体动力学 · 物理学 2025-07-09 Robert J. Teed , Chris A. Jones , Rainer Hollerbach

Climate-mediated changes in the spatiotemporal distribution of thermal stress can destabilize animal populations and promote extinction risk. Using quantile, spectral, and wavelet analyses of temperature projections from the latest…

种群与进化 · 定量生物学 2022-12-22 Kate Duffy , Tarik C. Gouhier , Auroop R. Ganguly

In recent years, there has been an effort towards establishing a more complete picture for jet substructure in the presence of the quark gluon plasma. Such a program requires not only a more detailed description of medium induced effects,…

高能物理 - 唯象学 · 物理学 2023-07-19 João Barata , Yacine Mehtar-Tani

The connection between turbulence and solar-wind acceleration, long known in space physics, is further developed in this Letter by establishing a robust empirical law that relates the bulk-flow speed to the magnetohydrodynamic-scale…

空间物理 · 物理学 2026-04-14 Rohit Chhiber , Yanwen Wang , Manuel E. Cuesta , Jiaming Wang , Sohom Roy

The goal of this note is to provide a theoretical explanation for the saturation of the drag coefficient in strong wind conditions. The hydrodynamic model under consideration takes into account the important effects of airborne droplets of…

流体动力学 · 物理学 2022-12-12 Michael Stiassnie , David Andrade
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