موديل نوعية المياه الجديد للمياه السطحية العراقية
محتوى المقالة الرئيسي
الملخص
هدفت هذه الدراسة الى بناء موديل لنوعية المياه يكون مناسب للنظم المائية العراقي ويعكس الواقع البيئي للمياه العراقية. دليل نوعية المياه العراقية المطور يتضمن عوامل فيزيائية وكيميائية. من اجل بناء دليل نوعية المياه العراقي IQWQI تم استخدام طريقة دلفي للتواصل مع الخبراء المحلين والعالميين المختصين بنوعية المياه لغرض الحصول على اراءهم بخصوص اهم العوامل المهمة التي يمكن استخدامها لبناء الدليل وحسب طبيعية النظام البيئي العراقي وتحديد وزن لكل عامل. 70% من البيانات التي تم الحصول عليها من هذه الدراسة قد استخدمت لبناء الدليل و 30% استخدمت لاختبار الدليل. تم تطبيق عدة سيناريوهات لمدخلات الموديل لغرض دراسة تأثير زيادة العوامل. تم بناء الموديل من 4 عوامل لأربع مرات جمع عينات حتى وصل الى 17 عامل لعشرة مرات جمع عينات. ومن الواضح انه عند زيادة عدد العوامل فان قيمة الدليل سوف تتغير. لغرض تقليل التأثير المخفي للعوامل التي تتجاوز المحددات المسموحة والذي يظهر عند استخدام WQI ولحل هذا التداخل بين النوعية والتلوث فقد اوجدت هذه الدراسة دليل اخر يكون مرتبط بـ IQWQI والذي يضم كلا من درجة النوعية والتلوث. سمي الدليل الثاني دليل المخاطر البيئية ERI ويضم فقط العوامل التي تجاوزت الحدود البيئية المسموح بها. أجري تحليل الحساسية لغرض التنبؤ بقيم IQWQI وتحديد اهم العوامل المؤثرة في قيم IQWQI، تم اختيار موديلين لأجراء تحليل الحساسية وهما انحدار الشبكة العصبية الاصطناعية والمعتمد على التعلم الالي ((ANNR
Received 10/09/2023
Revised 18/10/2023
Accepted 18/10/2023
تفاصيل المقالة
هذا العمل مرخص بموجب Creative Commons Attribution 4.0 International License.
كيفية الاقتباس
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