Wavelet power spectrum analysis applied for solar radiation investigations over Nigeria [PDF]
Songklanakarin 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]
International 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]
Advances 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)
Atmosphere, 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]
Nuclear 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
Why does Rhinopithecus bieti prefer the highest elevation range in winter? A test of the sunshine hypothesis. [PDF]
PLoS ONE, 2011 Environmental factors that affect spatiotemporal distribution patterns of animals usually include resource availability, temperature, and the risk of predation.
Rui-Chang Quan +6 more
doaj +1 more source
Iraqi 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
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
Mathematical Determination of the Upper and Lower Limits of the Diffuse Fraction at Any Site
Applied Sciences, 2021 A mathematical method for accurately determining the upper and lower diffuse-fraction (kd) limits that divide the sky into clear, intermediate, and overcast is developed. Fourteen sites around the world are selected for demonstrating the methodology. The
Harry D. Kambezidis +2 more
doaj +1 more source
Impact of global dimming on reference evapotranspiration in Hai River basin, China [PDF]
Proceedings of the International Association of Hydrological Sciences, 2015 Global radiation can impact the surface energy balance and hydrological cycle. This study analysed changes in global radiation in Hai River basin, China during 1960 to 2012.
N. Zhao, X. Zeng, H. Sun
doaj +1 more source