English
Related papers

Related papers: The influence of winter convection on primary prod…

200 papers

Turbulence has been recognized as a factor of paramount importance for the survival or extinction of sinking phytoplankton species. However, dealing with its multiscale nature in models of coupled fluid and biological dynamics is a…

Fluid Dynamics · Physics 2021-12-10 Vinicius Beltram Tergolina , Enrico Calzavarini , Gilmar Mompean , Stefano Berti

Plankton dynamics depend in a complex manner on a variety of physical phenomena, according to both experimental and numerical data. In particular, experimental field studies have highlighted the relation between phytoplankton survival and…

Fluid Dynamics · Physics 2023-01-05 Vinicius Beltram Tergolina , Enrico Calzavarini , Gilmar Mompean , Stefano Berti

Condensable species are crucial in shaping planetary climate. A wide range of planetary climate systems involve understanding non-dilute condensable substances and their influence on climate dynamics. There has been progress on large-scale…

Earth and Planetary Astrophysics · Physics 2021-12-22 Xianyu Tan , Maxence Lefevre , Raymond Pierrehumbert

Using a 3D general circulation model (GCM), we investigate the sensitivity of the climate of tidally-locked Earth-like exoplanets, Trappist-1e and Proxima Centauri b, to the choice of a convection parameterization. Compared to a mass-flux…

Earth and Planetary Astrophysics · Physics 2020-05-11 Denis E. Sergeev , F. Hugo Lambert , Nathan J. Mayne , Ian A. Boutle , James Manners , Krisztian Kohary

Deep convection is one of the most important atmospheric transport mechanisms and associated with various severe weather phenomena. Manifestations of deep convection in the atmosphere are composed of a recurring fundamental building block,…

Atmospheric and Oceanic Physics · Physics 2024-10-29 Tobias Bölle , Christoph Metzl , Kianusch Vahid Yousefnia

An efficient compositional framework is developed for simulation of CO2 storage in saline aquifers during a full-cycle injection, migration and post-migration processes. Essential trapping mechanisms, including structural, dissolution, and…

Fluid Dynamics · Physics 2023-01-20 Yuhang Wang , Ziliang Zhang , Cornelis Vuik , Hadi Hajibeygi

Moist convection plays a leading role in the dynamics and energy budget of Earth's tropics and influences the sensitivity of Earth's climate to greenhouse gas increases. Because individual convective cells are much smaller than the…

Earth and Planetary Astrophysics · Physics 2017-07-26 Anthony D. Del Genio

This study investigates the influence of two factors that change the mixed layer depth and can potentially contribute to the phytoplankton sustenance over winter: 1) variability of air-sea fluxes and 2) three-dimensional processes arising…

Atmospheric and Oceanic Physics · Physics 2018-11-14 Farid Karimpour , Amit Tandon , Amala Mahadevan

A suspension of swimming microorganisms often generates a large-scale convective pattern known as bioconvection. In contrast to the thermal Rayleigh-Benard system, recent experimental studies report an emergence of steady localized…

Fluid Dynamics · Physics 2024-06-25 Yoshiki Hiruta , Kenta Ishimoto

We show that contrary to what is expected from 1D stationary model atmospheres, 3D hydrodynamical modeling predicts a considerable influence of convection on the spectral properties of late-type giants. This is due to the fact that…

Astrophysics · Physics 2009-11-11 A. Kucinskas , H. -G. Ludwig , P. H. Hauschildt

The ocean is filled with microscopic microalgae called phytoplankton, which together are responsible for as much photosynthesis as all plants on land combined. Our ability to predict their response to the warming ocean relies on…

Applications · Statistics 2022-08-05 Sangwon Hyun , Mattias Rolf Cape , Francois Ribalet , Jacob Bien

In this paper we exploit two equivalent formulations of the average rate of material entropy production in a planetary system to propose an approximate splitting between contributions due to vertical and eminently horizontal processes. Our…

Atmospheric and Oceanic Physics · Physics 2015-05-18 Valerio Lucarini , Klaus Fraedrich , Francesco Ragone

The multiscale flow structure in the solar convection zone - the coexistence of such features as the granules, mesogranules, supergranules and giant cells - has not yet been properly understood. Here, the possible role of one physical…

Solar and Stellar Astrophysics · Physics 2018-02-15 O. V. Shcheritsa , A. V. Getling , O. S. Mazhorova

Convection-diffusion equation is used to describe particle migration process in many fields, while it is proposed based on the empirical Fick's law. In this paper, with the help of the percolation model, we theoretically investigate the…

Soft Condensed Matter · Physics 2023-02-08 Sheng Zhang , Tong Zhang , Jing-Jing Su , Dai-Chao Sheng

The observed convective flows on the photosphere (e.g., supergranulation, granulation) play a key role in the Babcock-Leighton (BL) process to generate large-scale polar fields from sunspots fields. In most surface flux transport (SFT) and…

Solar and Stellar Astrophysics · Physics 2018-09-17 Gopal Hazra , Mark Miesch

Convective processes are crucial in shaping exoplanetary atmospheres but are computationally expensive to simulate directly. A novel technique of simulating moist convection on tidally locked exoplanets is to use a global 3D model with a…

Earth and Planetary Astrophysics · Physics 2024-05-22 Denis E. Sergeev , Ian A. Boutle , F. Hugo Lambert , Nathan J. Mayne , Thomas Bendall , Krisztian Kohary , Enrico Olivier , Ben Shipway

Operational weather forecasting models have advanced for decades on both the explicit numerical solvers and the empirical physical parameterization schemes. However, the involved high computational costs and uncertainties in these existing…

Atmospheric and Oceanic Physics · Physics 2024-05-13 Mengxuan Chen , Ziqi Yuan , Jinxiao Zhang , Runmin Dong , Haohuan Fu

The parameterization of moist convection contributes to uncertainty in climate modeling and numerical weather prediction. Machine learning (ML) can be used to learn new parameterizations directly from high-resolution model output, but it…

Atmospheric and Oceanic Physics · Physics 2018-11-30 Paul A. O'Gorman , John G. Dwyer

Observations of tropical convection from precipitation radar and the concurring large-scale atmospheric state at two locations (Darwin and Kwajalein) are used to establish effective stochastic models to parameterise subgrid-scale tropical…

Atmospheric and Oceanic Physics · Physics 2016-04-20 Georg A. Gottwald , Karsten Peters , Laura Davies

The quantitative description of marine systems is constrained by a major issue of scale separation: most marine biochemical processes occur at sub-centimeter scales, while the contribution to the Earth's biogeochemical cycles is expressed…

Atmospheric and Oceanic Physics · Physics 2019-11-14 Francesco Paparella , Marcello Vichi
‹ Prev 1 2 3 10 Next ›