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Climatic Water Balance in AL-Amaid Area/ Muthana Governorate/ Southwest Iraq

Authors: Yas K. Hussain --- Moutaz A. Al-Dabbas
Journal: Iraqi Journal of Science المجلة العراقية للعلوم ISSN: 00672904/23121637 Year: 2018 Volume: 59 Issue: 2B Pages: 865-874
Publisher: Baghdad University جامعة بغداد

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Abstract

Ground water is a vital source for agricultural sector and rural communities. The global climate change is expected to change the hydrometeorological processes parameters. The climate considered as part of the southern Iraqi desert general climate with long, extremely hot, and dry summer and short wet period with little rain. So it is vital to investigate the groundwater quality for irrigation purposes. The meteorological data of Samawa meteorological station for the period 1980-2015 was used to evaluate the climatic conditions for Muthana Governorate. It was found that the averages of annual rainfall was 105.7mm and the everages of evaporation is 3182 mm, while the mean monthly relative humidity % , mean temperature, wind speed and sunshine were 40.9 %, 25.3 Co, 5.2m/sec and 9 h/day respectively. The results show that the mean evapotranspiration is 1717 mm, while the correct evapotranspiration is 1520 mm and the climate of the study area is classified as dry. And water deficit equals to (72%) of the total rainfall amount, and water surplus formed (28%) of the total rainfall amount.

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