Empirical studies of cloud effects on UV radiation: A review

  title={Empirical studies of cloud effects on UV radiation: A review},
  author={Josep Calb{\'o} and David Pag{\`e}s and Josep‐Abel Gonz{\'a}lez},
  journal={Reviews of Geophysics},
The interest in solar ultraviolet (UV) radiation from the scientific community and the general population has risen significantly in recent years because of the link between increased UV levels at the Earth's surface and depletion of ozone in the stratosphere. As a consequence of recent research, UV radiation climatologies have been developed, and effects of some atmospheric constituents (such as ozone or aerosols) have been studied broadly. Correspondingly, there are well‐established… 
Cloud effects on erythemal UV radiation in a complex topography
UV radiation is part of the solar spectrum with wavelengths between 100 and 400 nm. In this study, erythemal UV is investigated; a measure directly related to the harmfulness of solar radiation to
1. ABSTRACT The effect of clouds on modifying the ultraviolet (UV) radiation that reaches the Earth’s surface is quantitatively assessed through Cloud Modification Factors (CMF), defined as the ratio
Atmospheric modulations of the ratio of UVB to broadband solar radiation: effect of ozone, water vapour, and aerosols at Qena, Egypt
This study is an attempt to assess atmospheric modulations of the radiometric ratio of ultraviolet‐B (UVB) to broadband solar radiation (G). It examines the role of the atmosphere as a filter,
Study of UV cloud modification factors in Southern Patagonia
Anthropogenic perturbation of the ozone layer has induced change in the amount of UV radiation that reaches the Earth’s surface, mainly through the Antarctic ozone hole, making the ozone and
Hourly resolved cloud modification factors in the ultraviolet
Cloud impacts on the transfer of ultraviolet (UV) radiation through the atmosphere can be assessed by using a cloud modification factor (CMF). CMF, which is based on total global solar irradiation
Monitoring Ultra Violet Irradiance at the Surface of the Earth: The Belgian Network
The observation and monitoring of solar irradiance, in general, and UV (Ultra Violet) irradiance, in particular, is important due to its impact on human health and environment on regional and global
How large and how long are UV and total radiation enhancements
Enhancement of solar radiation, which happens when solar irradiance at the surface is greater than the expected clear-sky value, is mainly caused by partial cloudy conditions. This effect has been


Modeling Ultraviolet Radiation at the Earth's Surface. Part I: The Sensitivity of Ultraviolet Irradiances to Atmospheric Changes
Abstract A discrete-ordinate radiative transfer model is employed for the prediction of surface UV irradiances. A wide-ranging sensitivity study is undertaken to show how changes to the model input
Effect of clouds on UV irradiance: As estimated from cloud amount, cloud type, precipitation, global radiation and sunshine duration
Ten years of measurements of UV irradiance, monitored by the Robertson-Berger (RB) meter in Norrkoping, 58.58°N, 16.15°E, Sweden, have been combined with concurrent synoptic cloud observations,
Effects of clouds and haze on UV‐B radiation
An experiment was conducted over a 6-month period in Research Triangle Park, North Carolina, to investigate the effects of clouds and haze on ultraviolet (UV) radiation. Data were collected using a
An Algorithm for Inferring Surface UV Irradiance Including Cloud Effects
Abstract Recent extratropical ozone depletion and the concomitant increase in surface ultraviolet (UV) radiation may be expected to adversely influence the biosphere. Since few long-term, high
Influence of snow and clouds on erythemal UV radiation: Analysis of Swiss measurements and comparison with models
Global, direct and diffuse measurements of erythemal UV radiation with UV-Biometer and radiative transfer calculations are used to estimate the influences of (1) a snow-covered surface, (2) an
Reduction of solar UV by clouds: A comparison between satellite‐derived cloud effects and ground‐based radiation measurements
Assessment of the effects of ozone depletion on biologically effective solar UV at ground level has been greatly advanced through the use of remote sensing data. Satellite data on atmospheric
Spectral measurements of solar UVB radiation and its relations to total ozone, SO2, and clouds
Spectral solar UV radiation measurements performed at Thessaloniki, Greece (40°N), are presented, and the influence of various atmospheric constituents such as total ozone, cloud cover, and columnar
Reconstruction of erythemal UV irradiance and dose at Hohenpeissenberg (1968–2001) considering trends of total ozone, cloudiness and turbidity
SummaryErythemal ultraviolet (UV) doses reaching the earth’s surface depend in a complex manner on the amount of total ozone, cloud cover, cloud type and the structure of the cloud field. A
Tropospheric Influence on Solar Ultraviolet Radiation: The Role of Clouds.
Abstract Measurements obtained from several Robertson-Berger (RB) meters over the course of one year define the role of cloud cover in moderating biologically effective ultraviolet radiation at the
The ultraviolet radiation environment of the Antarctic Peninsula : the roles of ozone and cloud cover
Abstract The National Science Foundation scanning spectroradiometer at Palmer Station, Antarctica (64°46′S, 64°04′W) provides hourly ground-based measurements of solar ultraviolet (UV) irradiance at