Seasonal variation of heavy metal concentrations in sediments of Farwa Lagoon, Libya
الشريط الجانبي للمقالة
محتوى المقالة الرئيسي
الملخص
هدفت هذه الدراسة إلى التعرف على التغيرات الموسمية في تركيزات بعض المعادن الثقيلة (الكادميوم، والرصاص، والنحاس، والمنجنيز، والنيكل، والزنك) في الرواسب السطحية لبحيرة فروه. اختيرت ست محطات مختلفة كنقاط لأخذ العينات. أُخذت العينات على مدار ثلاثة مواسم، وحُدد متوسط تركيزات العناصر الموسمية والسنوية. لوحظ أن التركيزات الموسمية للمعادن الثقيلة (الرصاص، والنحاس، والمنجنيز، والنيكل، والزنك) خلال فصول الصيف والخريف والشتاء كانت ضمن المعدل الطبيعي في الرواسب ، وأن البحيرة لم تكن ملوثة بهذه المعادن. ومع ذلك، وُجد أن تركيزات الكادميوم في رواسب البحيرة السطحية تتجاوز الحدود المسموح بها خلال الموسم الممطر.
تفاصيل المقالة
هذا العمل مرخص بموجب Creative Commons Attribution-NonCommercial 4.0 International License.
المراجع
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