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Journal articles on the topic 'Sunshine Duration'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Hilaire, Kougbeagbede, Houeto Arnaud, Onah Waidi, and Hounvou Ferdinand. "Assessment of Sunshine Duration Trends in Benin through Polygonal Methods." Journal of Basic and Applied Research International 30, no. 6 (2024): 129–39. https://doi.org/10.56557/jobari/2024/v30i69001.

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Sunshine duration (SD) is crucial for various natural and human systems, including agriculture and photovoltaic (PV) energy production, as well as numerous environmental outcomes. This study highlights trends in sunshine duration from 1967 to 2017 in Benin. The sunshine duration data was obtained from the Benin Meteorological Agency. The innovative polygon trend analysis (IPTA) and trend polygon star concept (TPSC) methods were applied to the average monthly durations per day. The IPTA test indicates a decrease in sunshine duration in Cotonou and Kandi, while Sav`e experiences an increase. TPS

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2

Matuszko, Dorota. "A comparison of sunshine duration records from the Campbell-Stokes sunshine recorder and CSD3 sunshine duration sensor." Theoretical and Applied Climatology 119, no. 3-4 (2014): 401–6. http://dx.doi.org/10.1007/s00704-014-1125-z.

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3

Zateroglu, Mine Tulin. "Estimating the sunshine duration using multiple linear regression in Kocaeli, Turkey." Időjárás 127, no. 3 (2023): 285–98. http://dx.doi.org/10.28974/idojaras.2023.3.2.

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This study aims to estimate and evaluate the characteristic behavior of sunshine duration for long-term records. Sunshine duration and other climate variables such as cloudiness, precipitation, relative humidity, etc., have been measured in meteorological stations for a long time all over the world. But in some cases, such as missing data or unavailable station, the estimation of sunshine duration play a crucial role. Statistical models can be used to predict the sunshine duration over climate variables. To evaluate the behavior of sunshine duration, several climate variables were analyzed for

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4

Zhu, Weiwei, Bingfang Wu, Nana Yan, et al. "Estimating Sunshine Duration Using Hourly Total Cloud Amount Data from a Geostationary Meteorological Satellite." Atmosphere 11, no. 1 (2019): 26. http://dx.doi.org/10.3390/atmos11010026.

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Sunshine duration is an important indicator of the amount of solar radiation received in a region and an important input parameter for the study of atmospheric energy balance, climate change, ecosystem evolution, and social sustainability. Currently, extrapolation and interpolation of data from meteorological stations are the most common methods used to calculate sunshine duration on a regional scale. However, it is difficult to obtain high precision sunshine duration in areas lacking ground observation or where sunshine duration is highly heterogeneous on the ground. In this paper, a new meth

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5

Farukh, MA, MA Islam, L. Akter, and R. Khatun. "Trend and Variability Analysis of Sunshine Duration in Divisional Headquarters of Bangladesh." Journal of Environmental Science and Natural Resources 12, no. 1-2 (2021): 127–33. http://dx.doi.org/10.3329/jesnr.v12i1-2.52008.

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In this study, Sunshine duration data of eight divisional headquarters of Bangladesh Meteorological Stations (Dhaka, Rangpur, Rajshahi, Mymensingh, Sylhet, Barishal, Khulna and Chattagram) were analyzed to evaluate the long-term changes and trends. The data used are the BMD data spanning from 1980 to 2010. The annual sunshine duration has decreased by the month of (June –September) from 1980 to 2010. Seasonal changes in sunshine duration were also analyzed where the maximum decline was found in rainy-monsoon season (June – September), the winter season (December – February), then the post-mons

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6

Kandirmaz, H. M., and K. Kaba. "Estimation of Daily Sunshine Duration from Terra and Aqua MODIS Data." Advances in Meteorology 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/613267.

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Some studies have shown that the estimation of global sunshine duration can be done with the help of geostationary satellites because they can record several images of the same location in a day. In this paper, images obtained from the MODIS (Moderate Resolution Imaging Spectroradiometer) sensors of polar orbiting satellites Aqua and Terra were used to estimate daily global sunshine duration for any region in Turkey. A new quadratic correlation between daily mean cloud cover index and relative sunshine duration was also introduced and compared with the linear correlation. Results have shown th

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7

Kholiavchuk, Dariia, and Iryna Marko. "Variability of Sunshine Duration in Western Ukraine." Scientific Herald of Chernivtsi University. Geography, no. 845 (December 17, 2023): 52–64. http://dx.doi.org/10.31861/geo.2023.845.52-64.

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The duration of sunshine is a crucial radiation characteristic of climate, serving as an indicator for both regional atmospheric circulation and surface atmospheric pollution variability. Ground observations using a heliograph, spanning a long duration, enable the detection of changes in the impact of climate-forming factors on modern warming. Since the 1980s, more precise, high-resolution CMSAF satellite data has allowed for the determination of spatial variability in sunshine duration over recent decades. From 1371 to 1934 hours of sunshine per year were observed in Western Ukraine during 19

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8

Journée, M., C. Demain, and C. Bertrand. "Sunshine duration climate maps of Belgium and Luxembourg based on Meteosat and in-situ observations." Advances in Science and Research 10, no. 1 (2013): 15–19. http://dx.doi.org/10.5194/asr-10-15-2013.

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Abstract. 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 daily sunshine duration for the period 1995–2005. In order to provide maps with the highest degree of confidence as possible, ancillary data of high spatial resolution derived from Meteosat satellites images are used within the mapping process. Different methods combining in situ sunshine duration measurements and Meteosat-derived data ar

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9

JASWAL, A. K. "Sunshine duration climatology and trends in association with other climatic factors over India for 1970-2006." MAUSAM 60, no. 4 (2021): 437–54. http://dx.doi.org/10.54302/mausam.v60i4.1113.

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Changes in sunshine duration in association with total cloud amount, rainy days and good visibility days over India were examined for 1970-2006. Climatologically, annual total sunshine duration over west Rajasthan and adjoining Gujarat is more than 3100 hours which is ideal for harnessing solar energy over these regions. The trend analysis indicates significant decrease in sunshine duration over the country for all months (except June) and the maximum decrease has taken place in January (-0.44 hour/decade) followed by December (-0.39 hour/decade). Seasonally, decline in sunshine hours is highe

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10

Arsyad, Muhammad, Rihan Muhammad Alghifari, Agus Susanto, Pariabti Palloan, and Sulistiawaty. "Analysis of Radiation Intensity and Sunshine Duration in the Karst Area of Maros TN Bantimurung Bulusaraung South Sulawesi During Solstice Phenomenon." Jurnal Penelitian Pendidikan IPA 7, SpecialIssue (2021): 199–204. http://dx.doi.org/10.29303/jppipa.v7ispecialissue.1068.

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This study aims were to analyze the profile of radiation intensity and sunshine duration in the karst area of Maros TN Bantimurung Bulusaraung, South Sulawesi during solstice phenomenon in the period 2011-2020. In addition, radiation intensity and sunshine duration in the same area were also measured. A Pearson correlation shows that the intensity of solar radiation and the sunshine duration have a bimodal pattern. The average radiation intensity during the 2011-2020 solstices in June and December was 1.193 and 1.249 , respectively. Whereas the percentage of sunshine duration in June and Decem

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11

Kothe, Steffen, Elizabeth Good, André Obregón, Bodo Ahrens, and Helga Nitsche. "Satellite-Based Sunshine Duration for Europe." Remote Sensing 5, no. 6 (2013): 2943–72. http://dx.doi.org/10.3390/rs5062943.

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12

Hussain, M. "Correlating beam radiation with sunshine duration." Solar Energy 48, no. 3 (1992): 145–49. http://dx.doi.org/10.1016/0038-092x(92)90132-t.

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13

Matuszko, Dorota. "Influence of cloudiness on sunshine duration." International Journal of Climatology 32, no. 10 (2011): 1527–36. http://dx.doi.org/10.1002/joc.2370.

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14

Zateroglu, Mine Tulin, and H. Mustafa Kandirmaz. "Variations in Sunshine Duration Related to Air Quality Index and Some Meteorological Parameters: A Case Study in Eastern Anatolia Region." Rocznik Ochrona Środowiska 27 (May 20, 2025): 292–304. https://doi.org/10.54740/ros.2025.023.

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The procurement and production of energy have become a significant issue for energy needs, especially in industrial processes and household usage. The increase in urban activities and the industry has increased the energy needs in urban areas. Many researchers focus on the issues of conservation, sustainability, and energy saving. Solar energy and sunshine duration present a solution for sustainable development. This paper introduces the analysis of ground-based observations for sunshine duration and other related meteorological variables, i.e., climate elements and air quality index. Daily da

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15

Owczarek, Małgorzata, and Mirosława Malinowska. "Manual and Automatic Measurements of Sunshine Duration in Cassubian Lakeland (Northern Poland)." Atmosphere 14, no. 2 (2023): 244. http://dx.doi.org/10.3390/atmos14020244.

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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. This was undertaken because in recent decades automatic sunshine duration sensors have been systematically replacing traditional sunshine recorder. This replacement created a problem with the data quality, and the continuity of homogeneous series. The study material consisted of the daily sunshine duration sums derived from synchronous manual and automated measurements at the Borucino station (northern Poland) for the years 2015–2021.

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16

ABERJI, O. D., G. E. OYITA, and S. ENWA. "Combined effect of rainfall and sunshine duration on cassava output in Nigeria." Journal of Agrometeorology 27, no. 2 (2025): 163–67. https://doi.org/10.54386/jam.v27i2.2935.

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This study examined the combined effect of rainfall and sunshine duration on Casava production in Nigeria from 1988 to 2023 using secondary data obtained from the Nigeria Meteorological Agency (NiMet) and the Food and Agriculture Organization (FAO). Econometric techniques were employed to analyse the relationships between the variables. Regression analysis revealed that cassava yield was significantly negatively related with rainfall (β = -73,133.9; p = 0.000), while sunshine duration was positive and significant (β = 8,755,640.3; p = 0.000). Rainfall and sunshine duration interaction was sign

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17

Jaworeck, Sandra, and Peter Kriwy. "It’s Sunny, Be Healthy? An International Comparison of the Influence of Sun Exposure and Latitude Lines on Self-Rated Health." International Journal of Environmental Research and Public Health 18, no. 8 (2021): 4101. http://dx.doi.org/10.3390/ijerph18084101.

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The positive impact of sunshine on self-rated health is well known. For the first time, the relationship between sunshine and self-rated health is examined in the context of latitude lines in international comparison. The further people live from the equator, the lower sun exposure (UVB exposure) and the more often they experience a vitamin D deficiency. UVB exposure decreases with degrees of latitudinal lines, and in addition to that, sunshine duration is shorter in northern countries. In order to consider the connection, sunshine duration and degree of latitude lines were manually enriched f

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18

Wang, Yawen, Martin Wild, Arturo Sanchez-Lorenzo, and Veronica Manara. "Urbanization effect on trends in sunshine duration in China." Annales Geophysicae 35, no. 4 (2017): 839–51. http://dx.doi.org/10.5194/angeo-35-839-2017.

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Abstract. 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. We investigated this issue using long-term sunshine duration records from China, which experienced a rapid increase in urbanization during the past decades. Over the period 1960–2013, 172 pairs of urban and nearby rural stations were analyzed. Urban and rural sunshine duration trends show similar spatial patterns during a dimming phase (1960–1989) and a subsequent period during which trends were level

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19

Wei, Heyi, and Wenhua Jiang. "Plant Species Selection and Community Configuration for Residential Areas Based on the Digital Technology." Journal of Environment and Ecology 11, no. 2 (2020): 75. http://dx.doi.org/10.5296/jee.v11i2.17707.

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Sunshine is a key ecological factor for plant growth, development, reproduction and their community stability. The SOLWEIG model combined with ArcGIS and, AutoCAD software as a digital platform was used in this paper, and which focus on sunshine duration simulation by these digital technologies. Results show that the maximum sunshine duration is 10 hours, the minimum sunshine duration is 0 hours, and the average is about 4 hours in the sample points of the study area. The order from high to low is N>D>F>B>E>G>K>C>A>L>M (patches of planting area) in sunshine durati

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20

Srinivasan, Macara, and Liley. "Sunshine duration instrument comparisons in New Zealand." Weather and Climate 39, no. 1 (2019): 28. http://dx.doi.org/10.2307/26892910.

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21

Ikeda, Hiroshi, Takeshi Aoshima, and Yukiharu Miyake. "Development of a New Sunshine-Duration Meter." Journal of the Meteorological Society of Japan. Ser. II 64, no. 6 (1986): 987–93. http://dx.doi.org/10.2151/jmsj1965.64.6_987.

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22

Mohandes, Mohamed A., and Shafiqur Rehman. "Estimation of sunshine duration in Saudi Arabia." Journal of Renewable and Sustainable Energy 5, no. 3 (2013): 033128. http://dx.doi.org/10.1063/1.4811284.

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23

Suehrcke, Harry, Ross S. Bowden, and K. G. T. Hollands. "Relationship between sunshine duration and solar radiation." Solar Energy 92 (June 2013): 160–71. http://dx.doi.org/10.1016/j.solener.2013.02.026.

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24

Dolinar, Mojca. "Spatial interpolation of sunshine duration in Slovenia." Meteorological Applications 13, no. 04 (2006): 375. http://dx.doi.org/10.1017/s1350482706002362.

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25

Şen, Zekai, and Ahmet Öztopal. "Terrestrial irradiation–sunshine duration clustering and prediction." Energy Conversion and Management 44, no. 13 (2003): 2159–74. http://dx.doi.org/10.1016/s0196-8904(02)00236-4.

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26

Pennas, P. J. "Sunshine duration study within the Mediterranean area." Theoretical and Applied Climatology 44, no. 3-4 (1991): 173–79. http://dx.doi.org/10.1007/bf00868172.

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27

Chong, Wei, Wenhua Lyu, Zeqiang Bian, Lei Ding, Songkui Li, and Tao Zeng. "Spectral influence analysis on sunshine duration measurement." Journal of Engineering 2019, no. 23 (2019): 8505–7. http://dx.doi.org/10.1049/joe.2018.9042.

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28

Matzarakis, A. P., and V. D. Katsoulis. "Sunshine duration hours over the Greek region." Theoretical and Applied Climatology 83, no. 1-4 (2005): 107–20. http://dx.doi.org/10.1007/s00704-005-0158-8.

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29

Urban, Grzegorz, and Ireneusz Zając. "Comparison of sunshine duration measurements from Campbell-Stokes sunshine recorder and CSD1 sensor." Theoretical and Applied Climatology 129, no. 1-2 (2016): 77–87. http://dx.doi.org/10.1007/s00704-016-1762-5.

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30

Zdanevych, Vasyl, Taras Kundrat, Serhii Litnitskyi, and Eugen Pugachov. "DEFINITION OF THE INCLINATION OPTIMUM ANGLES OF FLAT SOLAR COLLECTOR ON CONDITION OF MONTHLY CHANGE OF SLOPE ANGLES." APPLIED GEOMETRY AND ENGINEERING GRAPHICS 1, no. 106 (2024): 109–18. https://doi.org/10.32347/0131-579x.2024.106.109-118.

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The way of definition of optimum angles of the inclination of flat solar collector of the southern orientation to the horizon plane on condition of monthly (12 months) changes of slope angle is developed, considering sunshine probability around construction. For every month of year curve dependences of the energy falling on 1 sq.m of the plane of the collector of the southern orientation for Sarny town on slope angle of the collector to the horizon plane in degrees are shown, considering probability solar shine. All curves are also shown together in one drawing that allows to compare convenien

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31

Aunillah, Alvian, and Tri Kesetyaningsih. "Relationship Between Rainy Day and Sunshine Duration with Dengue Hemorrhagic Fever Incidence in City of Yogyakarta." Proceedings University of Muhammadiyah Yogyakarta Undergraduate Conference 2, no. 2 (2022): 16–23. http://dx.doi.org/10.18196/umygrace.v2i2.420.

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Introduction – Dengue fever is a disease that often occurs in tropical countries, including Indonesia. DHF is caused by the dengue virus from the Flaviviridae family and infects through the Aedes aegypti or Aedes albopictus mosquitoes. DHF transmission is related to the survival capacity, behavior, and habitat of mosquito as vectors, therefore it may be influenced by climatic factors such as the number of rainy days and the sunshine duration. Purpose – The aim of the study was to determine whether the number of rainy days and the sunshine duration were correlated with the incidence of dengue f

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32

Sanchez-Lorenzo, Arturo, Josep Calbó, and Javier Martin-Vide. "Spatial and Temporal Trends in Sunshine Duration over Western Europe (1938–2004)." Journal of Climate 21, no. 22 (2008): 6089–98. http://dx.doi.org/10.1175/2008jcli2442.1.

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Abstract This work analyzes sunshine duration variability in the western part of Europe (WEU) over the 1938–2004 period. A principal component analysis is applied to cluster the original series from 79 sites into 6 regions, and then annual and seasonal mean series are constructed on regional and also for the whole WEU scales. Over the entire period studied here, the linear trend of annual sunshine duration is found to be nonsignificant. However, annual sunshine duration shows an overall decrease since the 1950s until the early 1980s, followed by a subsequent recovery during the last two decade

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33

Zhao, N., X. Zeng, and H. Sun. "Impact of global dimming on reference evapotranspiration in Hai River basin, China." Proceedings of the International Association of Hydrological Sciences 368 (May 7, 2015): 287–92. http://dx.doi.org/10.5194/piahs-368-287-2015.

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Abstract. 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. Global radiation decreased significantly from 1960 to 1989 and increased from 1990 to 2012, which has been described as “from dimming to brightening”. Sunshine duration was used as a proxy index where radiation records were unavailable. Results showed that sunshine duration (for 45 stations) show a significant decreasing trend from 1960 to 2012, which was a little different to global radiation (for 6 stations) du

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34

KYKHTENKO, Y. V., and V. E. TYMOFEEV. "COMPARISON OF SATELLITE AND TERRESTRIAL DATA OF OBSERVATIONS OF SUNSHINE DURATION ON THE EXAMPLE OF THE TERRITORY OF UKRAINE." Hydrology, hydrochemistry and hydroecology, no. 3(65) (2022): 117–27. http://dx.doi.org/10.17721/2306-5680.2022.3.9.

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In this article, a comparison of satellite and terrestrial data on the sunshine duration is determined on the example of the territory of Ukraine for the period of the calendar summer of 2011-2019. In particular, it was established that the value of the correlation coefficient of satellite and terrestrial ancient of sunshine duration is within 0.50 – 0.80, which corresponds to a moderate and significant correlation, and therefore a sufficiently large dependence between these types of obtaining meteorological and actinometric information of the studied parameter. Attention is also focused on th

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35

Mahdi, Berivan H., Jwan A. Mohammed, and Amera I. Melhum. "Development and Assessment of Feed Forward Back Propagation Neural Network Models to Predict Sunshine Duration." Iraqi Journal of Physics 20, no. 3 (2022): 64–75. http://dx.doi.org/10.30723/ijp.v20i3.1015.

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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. Duration of solar brightness has been used to study atmospheric energy balance, sustainable development, ecosystem evolution and climate change. Predicting the average values of sunshine duration (SD) for Duhok city, Iraq on a daily basis using the approach of artificial neural network (ANN) is the focus of this paper. Many different ANN models with different input variables were used in the prediction processes. The daily average of t

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36

Wang, Jian, Mei Xu, Xia Ye, and Wei Liu. "Variation Characteristics of PM₁₀ Mass Concentrations and Correlations with Meteorological Factors in Xingtai City." Advanced Materials Research 807-809 (September 2013): 73–76. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.73.

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Based on monitoring data of air pollution index (API) and meteorological data from January 2009 to December 2012 in Xingtai, the variation characteristics of PM10mass concentration were analyzed and the relationships between PM10mass concentration and air pressure, wind speed, temperature, vapor pressure, relative humid and sunshine duration were investigated for four seasons using SPSS software. The results showed that the PM10mass concentration was 86.5, 83.3, 85.0 and 80.4 μg m3, and the differences were not obvious tending to be a weak downward trend from 2009 to 2012. The percentage of t

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37

Han, Shi Gang. "Variation Characteristics of Sunshine Time in Changjiang River Valley in Recent 50 Years." Applied Mechanics and Materials 71-78 (July 2011): 3137–41. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3137.

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By using the sunshine time data from 260 meteorological observation stations in Changjiang river valley from 1960 to 2009, the features of sunshine time in this area are studied. The results show that the highest sunshine time place is Qinghai-Tibet Plateau which is located in the source of the Changjiang river, and the sunshine time is about 2200-3000 h.a-1. The lowest sunshine time place is Sichuan Basin , and the sunshine time is about 1000-1600 h.a-1. The place of middle sunshine time is the midstream and down stream of Changjiang river, and the sunshine time is about 2000 h.a-1. There is

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38

Jin, Kai, Peng Qin, Chunxia Liu, Quanli Zong, and Shaoxia Wang. "Impact of Urbanization on Sunshine Duration from 1987 to 2016 in Hangzhou City, China." Atmosphere 12, no. 2 (2021): 211. http://dx.doi.org/10.3390/atmos12020211.

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Worldwide solar dimming from the 1960s to the 1980s has been widely recognized, but the occurrence of solar brightening since the late 1980s is still under debate—particularly in China. This study aims to properly examine the biases of urbanization in the observed sunshine duration series from 1987 to 2016 and explore the related driving factors based on five meteorological stations around Hangzhou City, China. The results inferred a weak and insignificant decreasing trend in annual mean sunshine duration (−0.09 h/d decade−1) from 1987 to 2016 in the Hangzhou region, indicating a solar dimming

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39

Bembenek, A., and E. M. Syczewska. "81 – Sunshine duration, influenza, schizophrenia: Coincidence or consequence?" Schizophrenia Research 98 (February 2008): 66–67. http://dx.doi.org/10.1016/j.schres.2007.12.148.

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40

Jain, P. K., and E. M. Lungu. "Stochastic models for sunshine duration and solar irradiation." Renewable Energy 27, no. 2 (2002): 197–209. http://dx.doi.org/10.1016/s0960-1481(01)00190-2.

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41

Power, Helen C. "Estimating clear-sky beam irradiation from sunshine duration." Solar Energy 71, no. 4 (2001): 217–24. http://dx.doi.org/10.1016/s0038-092x(01)00049-4.

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42

Lam, Joseph C., and Danny H. W. Li. "Regression Analysis of Solar Radiation and Sunshine Duration." Architectural Science Review 39, no. 1 (1996): 15–23. http://dx.doi.org/10.1080/00038628.1996.9697353.

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43

Brabec, Marek, Alexandru Dumitrescu, Marius Paulescu, and Viorel Badescu. "A new perspective on the sunshine duration variability." Theoretical and Applied Climatology 139, no. 3-4 (2019): 1219–30. http://dx.doi.org/10.1007/s00704-019-03046-w.

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44

Raichijk, Carlos. "Observed trends in sunshine duration over South America." International Journal of Climatology 32, no. 5 (2011): 669–80. http://dx.doi.org/10.1002/joc.2296.

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45

Stahle, David W., Malcolm K. Cleaveland, and Randall S. Cerveny. "Tree-ring reconstructed sunshine duration over central USA." International Journal of Climatology 11, no. 3 (2007): 285–95. http://dx.doi.org/10.1002/joc.3370110305.

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46

Bartoszek, Krzysztof, Dorota Matuszko, and Stanisław Węglarczyk. "Trends in sunshine duration in Poland (1971–2018)." International Journal of Climatology 41, no. 1 (2020): 73–91. http://dx.doi.org/10.1002/joc.6609.

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47

Dobesch, H. "On the variations of sunshine duration in Austria." Theoretical and Applied Climatology 46, no. 1 (1992): 33–38. http://dx.doi.org/10.1007/bf00866445.

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48

Brabec, Marek, Alexandru Dumitrescu, Marius Paulescu, and Viorel Badescu. "A new perspective on the sunshine duration variability." Theoretical and Applied Climatology 139, no. 3-4 (2019): 1219–30. https://doi.org/10.5281/zenodo.13365615.

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The sunshine duration data is analysed here from a new perspective, different from the traditional ones. The study is focused on pairs of periods of shining sun (called clear periods) followed by periods with the sun covered by clouds (called dark periods). Their statistical and sequential properties are illustrated by using results obtained from satellite observations and ground measurements at Timisoara (Romania). Solar irradiance time series measured at ground are converted into a database consisting of pairs of clear/dark periods. These pairs are associated with three cloud classes derived

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49

Kang, Jung-Eun, Ju-Hwan Rho, Ji-Eun Lee, et al. "Analysis of sunshine duration and surface temperature of a building in urban areas using a sunshine duration model and easurements." Journal of the Geological Society of Korea 60, no. 3 (2024): 47–55. http://dx.doi.org/10.14770/jgsk.2024.019.

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Mesri, Mokhtaria, Ahmed Ghilane, and Nour El Islam Bachari. "An approach to spatio-temporal analysis for climatic data." Journal of Renewable Energies 16, no. 3 (2023): 413–24. http://dx.doi.org/10.54966/jreen.v16i3.390.

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Abstract:

This work considers a large-scale multisite investigation of the effects of sunshine duration on Algerian territory. It also studies the correlation between sunshine duration and commonly used climatic parameters (temperature, water vapour pressure, evaporation, relative humidity and rainfall). Two data sets have served this purpose. The first one consists of sunshine duration measurements of the whole Algerian weather network over the period 1960-2002 while the second set provides climatic parameters collected in Dar El-Beida, Algiers (36° 41'N, 03°13' E) over the period 1950-2008. This stati

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