Results 1 to 10 of about 114,846 (301)

Fitting Cumulus Cloud Size Distributions From Idealized Cloud Resolving Model Simulations

open access: yesJournal of Advances in Modeling Earth Systems, 2023
Whereas it is now widely accepted that cumulus cloud sizes are power‐law distributed, characteristic exponents reported in the literature vary greatly, generally taking values between 1 and >3.
Julien Savre, George Craig
doaj   +4 more sources

Global Cloud-Resolving Models [PDF]

open access: yesCurrent Climate Change Reports, 2019
Global cloud-resolving models (GCRMs) are a new type of atmospheric model which resolve nonhydrostatic accelerations globally with kilometer-scale resolution. This review explains what distinguishes GCRMs from other types of models, the problems they solve, and the questions their more commonplace use is raising.
Masaki Satoh   +6 more
exaly   +5 more sources

Impact of different definitions of clear-sky flux on the determination of longwave cloud radiative forcing: NICAM simulation results [PDF]

open access: yesAtmospheric Chemistry and Physics, 2010
Using one month of the cloud-resolving Nonhydrostatic Icosahedral Atmospheric Model (NICAM) simulations, we examined the impact of different definitions of clear-sky flux on the determination of longwave cloud radiative forcing (CRF).
B. J. Sohn   +3 more
doaj   +3 more sources

Initialization and dynamical stabilization of a cloud-resolving model

open access: yesPhysics Open, 2022
A multiscale cloud-resolving model (CRM) composed of the anelastic grid equations coupled to viscous turbulence subgrid equations for the wind velocity is presented along with an initialization and dynamical stabilization method named Insertion & ...
Paul Krause, Joseph Tribbia
doaj   +2 more sources

Cloud tracking in cloud-resolving models [PDF]

open access: yes, 2007
In recent years Cloud Resolving Models (CRMs) have become an increasingly important tool for the study of convective phenomena.
Plant, R. S.
core   +2 more sources

Understanding Negative Subtropical Shallow Cumulus Cloud Feedbacks in a Near‐Global Aquaplanet Model Using Limited Area Cloud‐Resolving Simulations [PDF]

open access: yesJournal of Advances in Modeling Earth Systems, 2019
Limited area cloud‐resolving model (CRM) simulations called LASAM are used to reproduce and understand negative subtropical shallow cumulus cloud feedbacks in a near‐global aquaplanet CRM (NGAqua) with 4‐K sea surface temperature (SST) warming.
Pornampai Narenpitak   +1 more
doaj   +2 more sources

Early Development and Tuning of a Global Coupled Cloud Resolving Model, and its Fast Response to Increasing CO2

open access: yesTellus: Series A, Dynamic Meteorology and Oceanography, 2022
Since the dawn of functioning numerical dynamical atmosphere- and ocean models, their resolution has steadily increased, fed by an exponential growth in computational capabilities.
Thorsten Mauritsen   +10 more
doaj   +1 more source

An Expanded Sensitivity Study of Simulated Storm Life Span to Ventilation Parameterization in a Cloud Resolving Model

open access: yesAtmosphere, 2023
We performed a sensitivity study on the life span of a numerically simulated storm using the parameterization of the ventilation coefficient. This is an expanded sequel to our previous study, where the ventilation effect of precipitation particles (snow,
Yen-Liang Chou, Pao-Kuan Wang
doaj   +1 more source

Convection‐Permitting Simulations With the E3SM Global Atmosphere Model

open access: yesJournal of Advances in Modeling Earth Systems, 2021
This paper describes the first implementation of the Δx = 3.25 km version of the Energy Exascale Earth System Model (E3SM) global atmosphere model and its behavior in a 40‐day prescribed‐sea‐surface‐temperature simulation (January 20 through February 28,
P. M. Caldwell   +29 more
doaj   +1 more source

The Fractal Nature of Clouds in Global Storm‐Resolving Models [PDF]

open access: yesGeophysical Research Letters, 2021
AbstractClouds in observations are fractals: they show self‐similarity across scales ranging from 1 to 1,000 km. This includes individual storms and large‐scale cloud structures typical of organized convection. It is not known whether global storm‐resolving models reproduce the observed fractal scaling laws for clouds and organized convection.
Christensen, Hannah M.   +1 more
openaire   +3 more sources

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