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The maritime industry aims towards a sustainable future, which requires significant improvements in operational efficiency. Current approaches focus on minimising fuel consumption and emissions through greater autonomy. Efficient and safe…

Accurate representation of atmosphere-ocean boundary layers, including the interplay of turbulence, surface waves, and air-sea fluxes, remains a challenge in geophysical fluid dynamics, particularly for climate simulations. This study…

大气与海洋物理 · 物理学 2025-09-04 Long Li , Etienne Mémin , Bertrand Chapron

Aerosol-cloud interactions (ACI) include various effects that result from aerosols entering a cloud, and affecting cloud properties. In general, an increase in aerosol concentration results in smaller droplet sizes which leads to larger,…

数据分析、统计与概率 · 物理学 2023-01-31 Maëlys Solal , Andrew Jesson , Yarin Gal , Alyson Douglas

Filamentary structures are ubiquitous in observations of real molecular clouds, and also in simulations of turbulent, self-gravitating gas. However, making comparisons between observations and simulations is complicated by the difficulty of…

星系天体物理 · 物理学 2020-10-14 F. D. Priestley , A. P. Whitworth

Vessel trajectory prediction is a critical component for ensuring maritime traffic safety and avoiding collisions. Due to the inherent uncertainty in vessel behavior, trajectory prediction systems must adopt a multimodal approach to…

人工智能 · 计算机科学 2025-03-12 Jin Wenzhe , Tang Haina , Zhang Xudong

A number of transiting exoplanets have featureless transmission spectra that might suggest the presence of clouds at high altitudes. A realistic cloud model is necessary to understand the atmospheric conditions under which such…

地球与行星天体物理 · 物理学 2017-02-08 Kazumasa Ohno , Satoshi Okuzumi

The transport of sea ice over the polar oceans plays an important role in climate. This transport is driven predominantly by turbulent winds, leading to stochastic motion of ice floes. Observed diffusivities and velocity distributions of…

地球物理 · 物理学 2025-02-26 Bryan Shaddy , P. Alex Greaney , Bhargav Rallabandi

Understanding of clouds is instrumental in interpreting current and future spectroscopic observations of exoplanets. Modelling clouds consistently is complex, since it involves many facets of chemistry, nucleation theory, condensation…

地球与行星天体物理 · 物理学 2019-02-13 Chris W. Ormel , Michiel Min

Sea ice plays a crucial role in the climate system, particularly in the Marginal Ice Zone (MIZ), a transitional area consisting of fragmented ice between the open ocean and consolidated pack ice. As the MIZ expands, understanding its…

地球物理 · 物理学 2024-10-31 Changhong Mou , Samuel N. Stechmann , Nan Chen

It has been suggested that star-forming galaxies may host a substantial, dark reservoir of gas in the form of planetary-mass molecular clouds that are so cold that $\text{H}_{2}$ can condense. Here we investigate the process of tidal…

星系天体物理 · 物理学 2025-04-01 Arthur G. Suvorov , Mark A. Walker

Cloud cover at the planetary limb of water-rich Earth-like planets is likely to weaken chemical signatures in transmission spectra, impeding attempts to characterize these atmospheres. However, based on observations of Earth and solar…

地球与行星天体物理 · 物理学 2023-07-14 Maureen Cohen , Massimo A. Bollasina , Denis E. Sergeev , Paul I. Palmer , Nathan J. Mayne

In this study we present a series of LES simulations employing the Super-Droplet Method (SDM) for representing aerosol, cloud and rain microphysics. SDM is a particle-based and probabilistic approach in which a Monte-Carlo type algorithm is…

大气与海洋物理 · 物理学 2014-08-21 Sylwester Arabas , Shin-ichiro Shima

Stratocumulus cloud decks exhibit bistability between patterns of high (closed cells) and low (open cells) cloud fraction. Localized transitions between these two states (pockets of open cells) have been observed but their underlying…

大气与海洋物理 · 物理学 2026-05-06 Benjamin Hernandez , Franziska Glassmeier

Bubbles entrained by breaking waves rise to the ocean surface, where they cluster before bursting and release droplets into the atmosphere. The ejected drops and dry aerosol particles, left behind after the liquid drop evaporates, affect…

流体动力学 · 物理学 2025-07-23 Megan Mazzatenta , Martin A. Erinin , Baptiste Néel , Luc Deike

Merchant shipping is responsible for more than 90% of the global trade and has a significant environmental impact, accounting for over 2% of global greenhouse gas emissions. Therefore, fuel-saving measures are becoming increasingly…

流体动力学 · 物理学 2025-05-12 Malte Loft , Henning Schwarz , Thomas Rung

Global carbon-cycle on our planet ties together the living and the non-living world, coupling ecosystem function to our climate. Gravity driven downward flux of carbon in our oceans in the form of marine snow, commonly referred to as…

大气与海洋物理 · 物理学 2023-10-04 Rahul Chajwa , Eliott Flaum , Kay D. Bidle , Benjamin Van Mooy , Manu Prakash

Event cameras are ideal for object tracking applications due to their ability to capture fast-moving objects while mitigating latency and data redundancy. Existing event-based clustering and feature tracking approaches for surveillance and…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Stephanie Aelmore , Richard C. Ordonez , Shibin Parameswaran , Justin Mauger

The investigation of the coupled atmosphere-ocean system is not only scientifically challenging but also practically important. We consider a coupled atmosphere-ocean model, which involves hydrodynamics, thermodynamics, and random…

动力系统 · 数学 2007-05-23 J. Duan , H. Gao , B. Schmalfuss

Marine stratocumulus cloud decks are regarded as the reflectors of the climate system, returning back to space a significant part of the income solar radiation, thus cooling the atmosphere. Such clouds can exist in two stable modes, open…

大气与海洋物理 · 物理学 2017-01-12 Ilan Koren , Eli Tziperman , Graham Feingold

Line emission is strongly dependent on the local environmental conditions in which the emitting tracers reside. In this work, we focus on modelling the CO emission from simulated giant molecular clouds (GMCs), and study the variations in…

星系天体物理 · 物理学 2018-02-07 Camilo H. Peñaloza , Paul C. Clark , Simon C. O. Glover , Ralf S. Klessen