Results 211 to 220 of about 20,275 (259)

Fractal dimension-based multi-focus image fusion via distance-weighted regional energy in curvelet domain. [PDF]

Sci Rep
Lv M, Jia Z, Le W, Li L, Ma H.
europepmc   +1 more source

Forest canopy interactions with aerosols: important considerations in approaching future impacts and climate management. [PDF]

New Phytol
Durand M, Lintunen A, Ezhova E.
europepmc   +1 more source

High-resolution, multidimensional solar radiation evaluation for the scientific protection of built heritage sites. [PDF]

Commun Eng
Ni P, Zhang D, Bi W, Lei F, Yang C, Yan J, Yue Y, Feng Y, Zheng Z, Fu J, Wang J, Ma C, Li F, Yao S, Zheng H, Sun H, Qin G, He BJ, Yan Z, Lin B.   +19 more
europepmc   +1 more source

Recent Advances in the Observation and Modeling of Aerosol-Cloud Interactions, Cloud Feedbacks, and Earth's Energy Imbalance: A Review. [PDF]

Curr Pollut Rep
Michibata T, Wall CJ, Hirota N, Duran BM, Nozawa T.   +4 more
europepmc   +1 more source

Physics-constrained multimodal vision transformer for ultra-short-term solar radiation forecasting error correction. [PDF]

Sci Rep
Jiang Z, Peng W.
europepmc   +1 more source

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Correlating Indian measured sky luminance distribution and Indian Design clear sky model with five CIE Standard clear sky models

Journal of Optics (India), 2011
This paper aims to find out representative CIE (International Commission on Illumination) Standard Clear Sky model(s) for three different seasons - winter solstice, equinox, and summer solstice applicable for prevailing clear sky climatic conditions in India [Roorkee].
Biswanath Roy
exaly   +2 more sources

Clear sky solar irradiance models: A review of seventy models

Renewable and Sustainable Energy Reviews, 2019
Abstract Clear sky solar irradiance parametric models seek to simplify the atmospheric attenuation with relatively simple parameterizations in order to estimate solar irradiance under clear sky conditions, avoiding the use of computationally expensive radiative transfer models.
F Antonanzas-Torres, Jesus Polo, R Escobar   +2 more
exaly   +2 more sources

An Analytical Model for the Clear-Sky Longwave Feedback

Journal of the Atmospheric Sciences, 2022
Estimates of Earth’s clear-sky longwave feedback from climate models and observations robustly give a value of approximately -2 W/m^2/K, suggesting that this feedback can be estimated from first principles. Here we derive an analytical model for Earth’s clear-sky longwave feedback based on a novel spectral decomposition that splits the feedback into ...
Daniel DB Koll, Nadir Jeevanjee, Nicholas J Lutsko   +2 more
openaire   +1 more source

A new clear sky solar irradiance model

Renewable Energy, 2021
Abstract A new broadband parametric clear-sky solar irradiance model is reported in this paper. Constructed as a trade-off between accuracy and accessibility, the model holds some innovative elements, such as: (1) the atmospheric transmittances are inferred by integration of Leckner's spectral ones within three disjointed spectral bands; (2) within ...
Eugenia Paulescu, Marius Paulescu
openaire   +1 more source

A Clear Sky Model of Diffuse Sky Radiance

Journal of Solar Energy Engineering, 1987
A model, previously proposed, describing the sky radiance as a continuous function, has been calibrated from 11,000 individual measurements made in scans taken across springtime skies in Toronto using a narrow field of view radiometer. The model reproduces the measured sky radiance with a mean bias error under five percent and a root mean square error ...
F. C. Hooper, A. P. Brunger, C. S. Chan
openaire   +1 more source