A new conventional regression model to estimate hourly photosynthetic photon flux density under all sky conditions

I Foyo Moreno, I Alados-Arboledas… - 2017 - digibug.ugr.es
In this work we propose a new and simple empirical model to estimate photosynthetic
photon flux density under all sky conditions, developed using experimental measurements …

The influence of clouds on surface UV erythemal irradiance

L Alados-Arboledas, I Alados, I Foyo-Moreno… - Atmospheric …, 2003 - Elsevier
The purpose of this study is to examine the effect of clouds on the ultraviolet erythemal
irradiance. The study was developed at three stations in the Iberian Peninsula: Madrid and …

Calibration of an all-sky camera for obtaining sky radiance at three wavelengths

R Román, M Antón, A Cazorla… - Atmospheric …, 2012 - amt.copernicus.org
This paper proposes a method to obtain spectral sky radiances, at three wavelengths (464,
534 and 626 nm), from hemispherical sky images. Images are registered with the All-Sky …

Quantifying location-specific impacts of pavement albedo on radiative forcing using an analytical approach

X Xu, O Swei, L Xu, CA Schlosser… - … science & technology, 2020 - ACS Publications
High-albedo materials reflect more solar radiation and, thereby, alter the earth's radiative
balance. Increasing pavement albedo, therefore, has been considered as a technological …

Modeling acute and cumulative erythemal sun exposure on vulnerable body sites during beach vacations utilizing behavior-encoded 3D body models

AW Schmalwieser, MA Lohr, SM Daly… - Photochemical & …, 2023 - Springer
Vacationers in a high-solar-intensity beach setting put themselves at risk of ultraviolet
radiation (UV) over-exposure that can lead to acute and chronic health consequences …

UVBoost: An erythemal weighted ultraviolet radiation estimator based on a machine learning gradient boosting algorithm

M de Paula Corrêa - Journal of Quantitative Spectroscopy and Radiative …, 2023 - Elsevier
This article presents UVBoost, an ultraviolet radiation (UVR) estimator based on a
Supervised Machine Learning (SML) regression model powered by high precision …

Estimating UV Erythemal Irradiance by Means of Neural Networks

I Alados, JA Mellado, F Ramos… - Photochemistry and …, 2004 - Wiley Online Library
In recent years, there has been a substantial increase in attempts to model the flux of
ultraviolet radiation (UV). UV irradiance at surface level is a result of the combined effects of …

A new empirical model to estimate hourly diffuse photosynthetic photon flux density

I Foyo-Moreno, I Alados, L Alados-Arboledas - Atmospheric Research, 2018 - Elsevier
Abstract Knowledge of the photosynthetic photon flux density (Q p) is critical in different
applications dealing with climate change, plant physiology, biomass production, and natural …

Dependence of ultraviolet (erythemal and total) radiation and CMF values on total and low cloud covers in Central Spain

D Mateos, J Bilbao, A de Miguel, A Pérez-Burgos - Atmospheric research, 2010 - Elsevier
The cloudiness effect on solar ultraviolet radiation (UV) has been analyzed in this study.
Measurements of erythemal and UV total radiations have been registered in Valladolid …

Attenuation of UV-B radiation in the atmosphere: Clouds effect, at Qena (Egypt)

MEN Adam, SM El Shazly - Atmospheric Environment, 2007 - Elsevier
The effects of clouds (amount, type and height) on the surface UV-B radiation have been
investigated at Qena, Egypt (26° 17′, 32° 10′, 96m asl) using 2 years data (2004–2005) …