Results 21 to 30 of about 13,462 (254)

Urbanization effect on trends in sunshine duration in China [PDF]

open access: yesAnnales Geophysicae, 2017
There is an ongoing debate on whether the observed decadal variations in surface solar radiation, known as dimming and brightening periods, are a large-scale or solely local phenomenon.
Y. Wang   +4 more
doaj   +5 more sources

Mortality risk effects of ozone and meteorological factors: a 10-year time-series study [PDF]

open access: yesFrontiers in Public Health
BackgroundTropospheric ozone (O₃) is increasingly becoming the dominant urban air pollutant in China, posing significant public health risks that are exacerbated by meteorological conditions.
Na Cao   +21 more
doaj   +2 more sources

A Satellite-Based Sunshine Duration Climate Data Record for Europe and Africa

open access: yesRemote Sensing, 2017
Besides 2 m - temperature and precipitation, sunshine duration is one of the most important and commonly used parameter in climatology, with measured time series of partly more than 100 years in length.
Steffen Kothe   +4 more
doaj   +3 more sources

Wavelet power spectrum analysis applied for solar radiation investigations over Nigeria [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2021
Wavelet power spectrum (WPS) techniques were used to evaluate the temporal structure of the clearness index and relative sunshine duration, using monthly values of clearness index and relative sunshine duration between 1995 and 2010.
Falayi E. O.   +2 more
doaj   +1 more source

Observation seasonal variation of intraocular pressure in young healthy volunteers [PDF]

open access: yesInternational Journal of Ophthalmology, 2022
AIM: To investigate fluctuation of intraocular pressure (IOP) and seasonal variation of 24-hour IOP during one year in healthy participants METHODS: Totally 13 young healthy volunteers participated in this study.
Na Liao   +6 more
doaj   +1 more source

Sunshine duration climate maps of Belgium and Luxembourg based on Meteosat and in-situ observations [PDF]

open access: yesAdvances in Science and Research, 2013
Sunshine duration was historically the traditional parameter to quantify solar radiation. In the present study, we propose to benefit from the measurements made with Campbell-Stokes recorders at 18 sites in Belgium and Luxembourg to generate maps of ...
M. Journée, C. Demain, C. Bertrand
doaj   +1 more source

Manual and Automatic Measurements of Sunshine Duration in Cassubian Lakeland (Northern Poland)

open access: yesAtmosphere, 2023
The aim of this research is to compare daily sunshine duration data measured using a Campbell–Stokes sunshine recorder (CS) and a CSD3 sunshine duration sensor.
Małgorzata Owczarek   +1 more
doaj   +1 more source

Spatial distribution of coefficients for determination of global radiation in Serbia [PDF]

open access: yesNuclear Technology and Radiation Protection, 2012
The aim of this paper is a creation of the spatial distribution of the corresponding coefficients for the indirect determination of global radiation using all direct measurements data of this shortwave radiation balance component in Serbia in the ...
Nikolić Jugoslav L.   +1 more
doaj   +1 more source

Temporal-spatial change characteristics of sunshine duration in Tibet based on spatial interpolation technique and its influence factors

open access: yes浙江大学学报. 农业与生命科学版, 2019
In order to exploit and use solar energy resources, analyze the influence of climate change on sunshine duration, a spatial interpolation model was evaluated by various similarity coefficients and the optimal model was selected to study the spatial ...
YU Haijing   +5 more
doaj   +1 more source

Development and Assessment of Feed Forward Back Propagation Neural Network Models to Predict Sunshine Duration

open access: yesIraqi Journal of Physics, 2022
         The duration of sunshine is one of the important indicators and one of the variables for measuring the amount of solar radiation collected in a particular area.
Berivan H. Mahdi   +2 more
doaj   +1 more source

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