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عنوان البحث
Concentration Of Some Heavy Elements In Water , Sediment And Plants In Al-Gharraf River In Thi-Qar Province –South Of Iraq
عنوان المجلة
University Of Thi-Qar Journal Of Science (Utsci)
ISSN-1991-8690
تفاصيل النشر
سنة النشر - 2020 / الفهرس الاصلي للمجلة - 7 : 2 (عدد الصفحات 2)
تصنيف البحث
بيئة وتلوث - المجموعة العلمية
رابط DOI
#
رابط البحث
فتح في موقع المجلة الرسمي
البحث والاستدامة
غير مرتبط باهداف التنمية المستدامة  
البحث والمجتمع
غير محدد
الكلمات المفتاحية
Heavy metals , Water , Sediment , Phragmites australis , Ceratophyllin demersum , Al Gharraf River and Al Gharraf oil field

اسم الباحثجهة الانتساببلد الباحث
م د علي صبيح علي كلية التربية الاساسية جامعة سومر العراق

The present study was included to estimate the Concentration and distribution ofselected Heavy elements Cadmium, Lead, Nickel and Zinc from water, sediment and two species of plant ( Phragmites australis and Ceratophyllim demersum). Also same physical characteristic of this river in water , samples were collected of three stationsin Al-Gharraf River in order to investigates the possibility of pollution in this area with these elements .three station (Al-Fajr districts , Qal at Sukkar districts andAl-Rifa I districts) were chosen to execute this study during the period from May 2018 until February 2019. And the high temperature was recorded (13 5C in winter to 30 5C in summer), pH (7.44 to 7.8) and Turbidity (2.41 to 10.2)NTU. and salinity (0.01 to 0.069) ppt. Also all the heavy metals recorded a significant increase in water and Ceratophyllin demersum plant samplesin the winter higher than summerand in the sediments and Phragmites australis plant the rise in the winter was only in the elements nickel and zinc, but in cadmium and lead were concentration low or do not make a bigdifference in the winter compared to the summer, Where the highest percentage of nickel and zinc in the sediments in the second and third stations respectively reached 86.2 mg / kg dry weight . The lowest concentration of cadmium concentration in water samples at the first station for the summer was 0.0021 mg / L . Where there is a positive relationship between the increase in concentrations of heavy metals in the samples studied and increase in the amount of rain , speed of runoff and the rise in water level in the river in winter due to the volume of rising smoke as a result of pollution which descends during the rainfall and erosion of the edges of the riverand lack of control over the domestic sewage that has been brought into the river . As well as probable cause to exist Al-Gharraf oil field that newly established and located north of Fajr city, was considered a control station and opposite to the Qal at Sukkar city and south of Al-Rifai city we can be observed through the results which show a gradual rise in the second and third stations and third station was higher than stations 1 and 2.
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