Results 1 to 10 of about 313 (129)

A Novel GPU-Based Acceleration Algorithm for a Longwave Radiative Transfer Model

open access: yesApplied Sciences, 2020
Graphics processing unit (GPU)-based computing for climate system models is a longstanding research area of interest. The rapid radiative transfer model for general circulation models (RRTMG), a popular atmospheric radiative transfer model, can calculate
Yuzhu Wang   +3 more
doaj   +5 more sources

GPU-RRTMG_SW: Accelerating a Shortwave Radiative Transfer Scheme on GPU

open access: yesIEEE Access, 2021
As high performance computing technology continues to develop rapidly, graphics processing units (GPUs) are more widely used for daily computing tasks. However, some applications, such as weather forecasting, require large-scale computation. Thus, due to
Zhenzhen Wang   +6 more
doaj   +2 more sources

Impact of Horizontal Resolution on the Robustness of Radiation Emulators in a Numerical Weather Prediction Model

open access: yesRemote Sensing, 2023
Developing a machine-learning-based radiative transfer emulator in a weather forecasting model is valuable because it can significantly improve the computational speed of forecasting severe weather events.
Hwan-Jin Song, Soonyoung Roh
doaj   +3 more sources

An Evaluation of Radiation Parameterizations in a Meso-Scale Weather Prediction Model Using Satellite Flux Observations

open access: yesRemote Sensing
This study evaluates the forecast performance of four radiation parameterization schemes—the Rapid Radiative Transfer Model for General Circulation Models (RRTMG), its improved version RRTMG-K, the infrequently applied variant, RRTMG-K60x, and the neural
Jihee Choi   +5 more
doaj   +3 more sources

Estudo do Desempenho de Dois Códigos de Transferência Radiativa do Modelo WRF para o Sul do Brasil [PDF]

open access: yesAnuário do Instituto de Geociências, 2020
A radiação solar que atinge a superfície terrestre é amplamente dependente das condições de nebulosidade presentes na atmosfera. Assim, uma boa simulação da nebulosidade pelos modelos regionais de previsão do tempo é fundamental para refinar as condições
Álvaro Vasconcellos de Ávila   +5 more
doaj   +1 more source

A radiative transfer module for calculating photolysis rates and solar heating in climate models: Solar-J v7.5 [PDF]

open access: yesGeoscientific Model Development, 2017
Solar-J is a comprehensive radiative transfer model for the solar spectrum that addresses the needs of both solar heating and photochemistry in Earth system models.
J. Hsu   +4 more
doaj   +1 more source

On Solar Radiation Prediction for the East–Central European Region

open access: yesEnergies, 2022
The aim of this paper is to present the results of the Weather Research and Forecasting (WRF) model of solar radiation for moderate climatic zones. This analysis covered the area of northeastern Germany. Due to very unfavorable solar energy conditions in
Michał Mierzwiak   +2 more
doaj   +1 more source

A simple parameterization of the short-wave aerosol optical properties for surface direct and diffuse irradiances assessment in a numerical weather model [PDF]

open access: yesGeoscientific Model Development, 2014
Broadband short-wave (SW) surface direct and diffuse irradiances are not typically within the set of output variables produced by numerical weather prediction (NWP) models. However, they are frequently requested for solar energy applications. In order to
J. A. Ruiz-Arias   +2 more
doaj   +1 more source

Aerosol indirect effect on the grid-scale clouds in the two-way coupled WRF–CMAQ: model description, development, evaluation and regional analysis [PDF]

open access: yesAtmospheric Chemistry and Physics, 2014
This study implemented first, second and glaciation aerosol indirect effects (AIE) on resolved clouds in the two-way coupled Weather Research and Forecasting Community Multiscale Air Quality (WRF–CMAQ) modeling system by including parameterizations for ...
S. Yu   +7 more
doaj   +1 more source

Optimized Alternate Mapping Correlated K‐Distribution Method for Atmospheric Longwave Radiative Transfer

open access: yesJournal of Advances in Modeling Earth Systems, 2023
Radiative transfer models are widely applied in climate models to simulate vertical temperature perturbations caused by external radiative forcings. A large part of radiative transfer models is the infrared gaseous spectral transmittance scheme, which ...
Yue Cai   +6 more
doaj   +1 more source

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