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Water Balance for the City of Al-Najaf Al-Ashraf/Southern Iraq | ||
| Diyala Journal For Pure Science | ||
| Article 1, Volume 13, Issue 4, 2017, Pages 186-197 | ||
| Authors | ||
| Tariq Abed Hussain; Ghayda Yaseen Al; ; Rana Jawad Kadhim | ||
| Abstract | ||
| Al-Najaf Al-Ashraf city located, in the southern part of Iraq, is located between latitudes (29ᵒ 50 00̋ - 32ᵒ 21 00) north and longitudes (42 ° 50 '00 "- 45 ° 44' 00") east, The rocks exposures at the study area date back to the (Middle Miocene-Recent) and this includes Dammam, Euphrates, Fatha, Injana, Zahra and Dubduba formations as well as Quaternary deposits. Depending on the climatic data recorded in Najaf station for the period (1994-2014) show that the total falling rain was (97.54) mm, and the average temperature (25.75 C°), relative humidity (41.52%), wind speed (1.67 m / s), sunshine (8.6 hours / day) and the total evaporation from free surfaces was (3473.46 mm). The prevailing climate in the region is dry to semi-dry. was calculated corrected potential evapotranspiration theoretically apply Thornthwaite method where she was value 1024.97 mm, was also calculate the water surplus , which accounted for 22.1% divided into surface runoff and and Groundwater Recharge while the water deficit represents 77.9% of the annual rainfall. | ||
| Keywords | ||
| Water balance; Najaf; Climate; Evapotranspiration; Water surplus; Water Deficit | ||
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