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Study the Effect of the Amount of Clouds on the Number of Actual Hours of Sunshine at Selected Stations in Iraq | ||
| Kirkuk Journal of Science | ||
| Article 1, Volume 16, Issue 1, 2021, Pages 1-27 PDF (1.42 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.32894/kujss.2021.167891 | ||
| Author | ||
| Jawdet Hedayet Mohammed* | ||
| physics department , science college , kirkuk university , kirkuk . iraq | ||
| Abstract | ||
| This research aims to study the effect of the amount of clouds on the number of actual hours of Sunshine in selected stations in Iraq, namely (Mosul Station, Baghdad Station, Basra Station), using data (the amount of clouds and the number of actual hours of Sunshine) for a period of (31 years) for the period extending from (1980 - 2010), which were obtained by data available in the Iraqi Meteorological organization and Seismology. In this research, the effect of the amount of clouds on the number of actual hours of Sunshine was clarified by studying the monthly and seasonal change of the two variables, in addition to clarifying the nature of the relationship between them by calculating the correlation coefficient using Microsoft Excel (2010). The results indicated that there is a strong inverse correlation between both variables in The three study stations, where the values of correlation coefficients ranged between (-0.92) – (-0.87) in the study sites, and this indicates that with the increase in the amount of clouds the number of hours of actual hours of Sunshine decreases, and vice versa. | ||
| Keywords | ||
| amount of clouds; actual hours of Sunshine; Iraq; Climate | ||
| References | ||
|
[1] R. R. Rigers, "Physics of Clouds",1st Ed., translated by Dr. Mohi Al-Din Abbas, Rashid Hammoud Al-Nuaimi, printed at Mosul University Press, University Press Directorate, (1984).
[2] Battan Louis J., "Cloud Physics, Abopular Introduction to Applied Meteorology", 1st Ed., Dover Publications, INC, Mineola, New York , )2003(.
[3] John D. Fix, "Astronomy", Journey to the Cosmic Frontier. 4th Ed., Margaret J. Kemp. New York, 658, )2006(.
[4] Vardavas I. M., Taylor F. W., "Radiation and Climate", 1st Ed, Oxford University, (2007).
[5] Ghada Muhammad Ismail, "The Impact of the Natural Environment on the Concept of Urban Formation in Hot-Dry Areas", MSC Thesis, University of Baghdad, (2001), in (Arabic).
[6] Muneer. T., "Solar radiation and daylight models", 2nd Ed., Elsevier Ltd, )2014(.
[7] Ali Hassan Musa, "Basics of Climate Science",1st Ed, Dar Al-Fikr, Damascus, 25, )1994(, in (Arabic).
[8] Ahmed Ahmed Al-Sheikh, "Meteorology",1st Ed., Mansoura University Press, Egypt, 102, (2004), in (Arabic).
[9] Faleh Mahmood, Gheidaa Sabeeh, " Study global solar radiation based on sunshine hours in Iraq ", Iraqi journal of science, 44(4A) ,1663 )2014(.
[10] Ahmed AL Kayssi, Omer Abdulrazzaq and Nuha Hamad, "Analyzing of global solar radiation over Baghdad", International journal of science and research, 7(9), 306, )2018(.
[11] Firas F. Albayati," The spatial variation of solar radiation in Iraq ", J. Alistath 2(224), 22 )2018(, in (Arabic).
[12] K. Karume, EJKB Banda, J. Mubiru and M. Majaliwa, " Correlation between sunshine hours and climatic parameters at four locations in Uganda ", Tanz. J. Sci., 33(2), 93, (2007).
[13] Dorota Matuszko, " Influence of cloudiness on sunshine duration ", international journal of climatology, 32(3), 1527 (2012).
[14] Md. Rokonuzzaman and Mohammad Maksudur Rahman, " Effect of cloud coverage on sunshine, humidity, rainfall and temperature for different weather stations in Bangladesh", IOSR Journal of Environment Science, Toxicology and Food Technology, 11(3), 1 (2017).
[15] Iraqi Meteorological organization and Seismology, Iraq Climate Atlas for the period (1961 - 1990), Baghdad, (1994).
[16] The Iraqi General Authority for Meteorology and Seismic Monitoring, (1994), Iraq Climate Atlas for the period (1961 - 1990), Baghdad.
[17] The Iraqi Meteorological organization and Seismology, monthly averages for the number of hours of actual solar brightness and the amount of clouds, for the period from (1980 - 2010), Climate Section. | ||
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