برآورد پارامترهای کیفی رودخانه تجن مازندران با استفاده از مدل‌های ماشین‌های بردار پشتیبان و مدل برنامه‌ریزی بیان ژن

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد مهندسی خاکشناسی، گروه آب وخاک دانشکده کشاورزی، دانشگاه صنعتی شاهرود، ایران

2 استاد گروه آب و محیط زیست دانشکده مهندسی عمران، دانشگاه صنعتی شاهرود، ایران

3 دانشیار گروه آب وخاک دانشکده کشاورزی، دانشگاه صنعتی شاهرود، ایران

4 دانشجوی گروه آب و محیط زیست دانشکده مهندسی عمران، دانشگاه صنعتی شاهرود، ایران

10.22034/eiap.2023.169995

چکیده

به دلیل اهمیت پیش‌بینی و پایش پارامترهای کیفی آب رودخانه‌ها، در پژوهش حاضر قابلیت دو مدل ماشین‌های بردار پشتیبان (SVM) و مدل برنامه‌ریزی بیان ژن (GEP) برای برآورد دو پارامتر کیفی آب یعنی TDS و SAR در رودخانه تجن مورد ارزیابی قرار گرفت. برای برآورد TDS و SAR از پارامترهای زودیافت یا به عبارت بهتر پارامترهایی که اندازه‌گیری آن‌ها آسان و کم هزینه بوده است به عنوان پارامترهای ورودی به مدل استفاده شد. این پارامترها شامل هدایت الکتریکی آب، اسیدیته، سدیم، کلسیم، پتاسیم، نسبت جذبی سدیم، منیزیم، کلر، سولفات، بیکربنات و دبی رودخانه بودند. جهت تعیین همبستگی بین متغیر‌های مستقل و وابسته از نرم‌افزار SPSS استفاده شد. بر اساس آنالیز داده‌ها با استفاده از روش گام به گام (step by step)، سناریوهای مختلفی از ترکیب داده‌های ورودی برای پیش‌بینی TDS وSAR در نظر گرفته شد. مقایسه نتایج به دست آمده نشان داد استفاده از سه متغیر EC SO4, و SAR در برآورد TDS در رودخانه تجن، دارای بالاترین ضریب همبستگی و کمترین میزان خطا بوده است. همچنین در برآورد پارامتر SAR استفاده از دو پارامتر Na و EC بهترین نتیجه را داده است. در مجموع نتایج به دست آمده نشان‌دهنده عملکرد بالای روش برنامه‌ریزی بیان ژن در مقایسه با مدل ماشین‌های بردار پشتیبان در برآورد پارامتر‌های کیفی رودخانه‌های تجن بوده است و بنابراین از مدل می‌توان جهت پیش‌بینی پارامترهای کیفی رودخانه‌ها مورد استفاده قرار داد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Estimation of the Qualitative Parameters of the Tajan River in Mazandaran Province Using Supporting Vector Machines and Expression Gene Programming Models

نویسندگان [English]

  • Mahdi Yousefi 1
  • Samad Emamghoizadeh 2
  • Hadi Ghorbani 3
  • Mahboubeh Vanak 4
1 Master's student in Soil Science Engineering, Department of Water and Soil, Faculty of Agriculture, Shahrood University of Technology, Iran
2 Professor, Department of Water and Environment, School of Civil Engineering, Shahrood University of Technology, Iran
3 Associate Professor, Department of Water and Soil, Faculty of Agriculture, Shahrood University of Technology, Iran
4 Students of the Department of Water and Environment, Faculty of Civil Engineering, Shahrood University of Technology, Iran
چکیده [English]

Due to the importance of predicting and monitoring river water quality parameters, in the present study, the capability of two models of support vector machines (SVM) and gene expression planning methods (GEP) used to estimate two water quality parameters namely the TDS and SAR in the Tajan River. To estimate the TDS and SAR, parameters which the measurement of these parameters are easy and has low cost, were used as input data to the model. These parameters included the electrical conductivity of water, acidity, sodium, calcium, potassium, the adsorption ratio of sodium, magnesium, chlorine, sulfate, bicarbonate, and river flow. SPSS was used to determine the correlation between independent and dependent variables. Based on data analysis using step-by-step method, different scenarios of combining input data for TDS and SAR prediction were considered. Comparison of the results using statistical criteria showed that the use of three variables, EC, SO4 and SAR in estimating TDS in Tajan river, had the highest correlation coefficient and the lowest error rate. The Na and EC variables also give the best results in estimating the river SAR parameter. In general, the obtained results show the high performance of gene expression planning method in estimating the quality parameters of the Tajan river and therefore it can be used to predict the qualitative parameters of rivers.

کلیدواژه‌ها [English]

  • Gene expression programming (GEP)
  • Supporting Vector Machines (SVM)
  • water quality
  • Tajan river
  • sodium absorption ratio (SAR)
  • Total dissolved solids (TDS)
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