Analysis of the Characteristics of Seasonal and Annual Rain in the Alluvial Plain
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Abstract
The nature of rain fall in the study area differs spatially and temporally from one season to another and from one year to another due to the influence of many natural factors, including proximity or distance from water bodies (seas), the height of the terrain, the difference in the value of the atmospheric pressure, the season of the value of this pressure, the distribution of marine currents and areas of air fronts. It will affect the average of total rainfall, as will be explained by choosing five stations. In the study area, it is from north to south (Baghdad, Diwaniyah, Amara, Nasiriyah and Basra) shown on the maps to be divided into geographical areas by taking the highest total rainfall for station (S) and the lowest total for station (Y) so that we can extract the range and then divide by number 3) The number of the area, so this method gives us the length of the category and it is shown on the map using the table )Summer and the outputs of 10.1 Arc Gis). To be interpreted and analyzed, as there is fluctuation in it( rain).
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References
Ibrahim Ibrahim Al-Sharif, Weather Geography, Dar Al-Hikma Printing and Publishing, Baghdad, 1991, p. 269.
Same source, p. 270.
Hussein Fadel Abd Al-Shibli, The Spatial and Temporal Distribution of Falling Patterns in Iraq, PhD Thesis (unpublished), Al-Mustansiriya University, College of Education, 2006, p.
Qusay Abdul Majid Al-Samarrai, Weather and Climate, Al-Yazouri Publishing and Distribution House, 2008, pp. 258-260.
This classification was based on the monthly quantities of rain and their proportions to the annual total. See: Mahdi Amin Al-Tom, Climate of Sudan, Institute for Arab Studies and Research, Cairo 1974, p. 64. Quoted by Ahmad Jassam Al-Dulaimi, The Impact of High Weather Manifestations on the Climate of the Western Plateau, Tikrit University, College of Education, 2015, p. 80.
The Iraqi General Authority for Meteorology and Seismic Monitoring, Department of Climate, unpublished data.
(Arc Gis 10.1).