مدل‌‌سازی تغییرات پارامترهای کیفی آب رودخانه کرج با استفاده از مدل CE-QUAL-W2

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری علوم محیط زیست گرایش منابع آب، دانشگاه میت مجارستان

2 دانشیار گروه محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران

3 استادیار گروه عمران آب، دانشگاه علم و صنعت ایران، ایران

10.22034/eiap.2022.158571

چکیده

امروزه با توجه به گسترش جوامع و به تبع آن افزایش استفاده از منابع آبی، دخل و تصرف غیرطبیعی در رودخانه‌ها افزایش یافته و در نهایت منجر به تغییر شرایط کیفی آب شده است. از این رو تهیه و ارایه یک سیستم مدیریتی برای پیش‌بینی رفتار و جلوگیری از آلودگی بیش از حد محیط ضروری به نظر می‌رسد. در این مطالعه هدف مدل‌‌سازی تغییرات پارامترهای کیفی رودخانه کرج با استفاده از مدل
CE-QUAL-W2 است. در راستای دستیابی به هدف تحقیق، هیدرودینامیک سیستم (سرعت آب) و پارامترهای کیفی رودخانه (نیترات، فسفات، جلبک، آمونیوم، اکسیژن محلول، اکسیژن مورد نیاز بیولوژیکی) کالیبره و صحت‌سنجی شدند. نتایج مدل تطابق نسبتا مناسبی با داده‌های مشاهداتی را نشان می‌‌دهد. علاوه بر این مقایسه نتایج شبیه‌‌سازی غلظت اکسیژن محلول و اکسیژن مورد نیاز بیولوژیکی با استانداردهای کیفیت آب سطحی بیانگر سلامت رودخانه است. با توجه به پیش‌بینی‌‌های دقیق مدل می‌‌توان نتیجه گرفت بهره‌گیری از مدل‌های ریاضی مناسب ضمن صرف وقت و هزینه کمتر در مقایسه با پایش‌های میدانی و آزمایشگاهی جهت شبیه‌سازی کیفی و پیشنهاد سناریوهای مدیریتی در مدیریت منابع آب بسیار راهگشا خواهد بود و می‌‌تواند به عنوان یک ابزار تصمیم یار برای برنامه‌‌ریزان و مدیران راهگشای دستیابی به اهداف توسعه پایدار باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Modeling of Water Quality Parameters of Karaj River Using CE-QUAL-W2 Model

نویسندگان [English]

  • sahar saeidi 1
  • Seyedhamed Mirkarimi 2
  • Motahareh Saadatpour 3
1 PhD Candidate of Environmental Sciences - Water Resources, MATE University, Hungary
2 Associate Professor, Department of Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Iran
3 Assistant Professor, School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran
چکیده [English]

Nowadays, due to the expansion of societies and consequently increased use of water resources, abnormalities in rivers have increased and eventually led to changes in water quality conditions. Therefore, it is essential try to develop a management system to predict the pollutants behavior and also prevent excessive environmental pollution. The aim of this research is to model the changes of water quality parameters of Karaj River using CE-QUAL-W2 model. In order to achieve the research goal, hydrodynamics of the system (water velocity) and river quality parameters including nitrate, phosphate, algae, ammonium, dissolved oxygen, biological oxygen demand were calibrated and then verified. The results show a suitable matching with observed data. Moreover comparing the results of simulated concentration of DO and BOD with the standard level of these parameters for surface water is an evident for the health of the river. Considering the accurate predictions of the model, it can be concluded that utilizing of appropriate mathematical models with spending less time and cost compared to field monitoring and laboratory observations for qualitative simulation and representing management scenarios would be a very useful tool in water resource management and would help the planners and managers as a decision support tool to achieve the goals of sustainable development.

کلیدواژه‌ها [English]

  • Modeling
  • Water quality
  • Hydrodynamic
  • Karaj River
  • CE-QUAL-W2
Afshar, A.; Feizi, F.; Moghadam, A. Y. & Saadatpour, M. 2017. Enhanced CE-QUAL-W2 model to predict
the fate and transport of volatile organic compounds in water body: Gheshlagh reservoir as case study. Environmental Earth Sciences, 76(23), 803.
Aloui, B. Z.; Adelana, S. M.; Gueddari, M. 2015 Effects of selective withdrawal on hydrodynamics and water quality of a thermally stratified reservoir in the southern side of the Mediterranean sea: a simulation approach. Environmental Monitoring and Assessment doi:10.1007/s10661-015-4509-3
Bostani, F. & Goharghani, A. 2013. Simulation of Bashar River water quality in Yasouj city using QUAL2K simulator. Journal of Water Resources Engineering, 7(1): 85-98. (in persian)
Enrique, S.; Colmenarejo, M. F.; Vicente, J.; Rubio, A.; García, M. G.; Travieso, L. & Borja, R. 2007. Use of the water quality index and dissolved oxygen deficit as simple indicators of watersheds pollution. Ecological Indicators, 7(2): 315-328.
Fatai, A. 2018. Investigating the values of quality parameters of water supply canals in Pars Abad city. Environmental Science Quarterly, 73: 50-81. (in persian)
Ghanbari, A. & Fatai, A. 2013. Qualitative modeling of the changes in dissolved oxygen and biochemical oxygen demand using the QUAL2K model, a case study of Zarraj Abad river. The first national conference on environmental pollution with a focus on clean earth, Hayat Pak People's Association, Ardabil. (in persian)
Ghasemi, A. 2014. Organization of the Karaj Dam catchment basin in order to prevent water pollution in the basin. Master's thesis. Faculty of Environment, University of Tehran, 261 pages. (in persian)
Gotovtsev, A.V. 2010. Modification of the streeter–phelps with the aim to account for the feedback between dissolved oxygen concentration and organic matter oxidation rate. Water Resource, 37(2): 245–251.
Hamzah, M. & Rezaportbari, M. 2013. Qualitative Behavior Identification Of Surface Reservoir In Case Of Sudden Injection Of Contaminant Load. Iranian Water Resources Research Journal, 10(1): 39-50. (in persian)
Mohammad Nejad, B.; Parkhami, N. & Bahmanesh, J. 2013. Eutrophication Simulation of Mahabad Dam Reservoir by Using CEQUAL‐W2 Two Dimensional Model. Journal of Civil Engineering and Environment. 44(4):77-88. (in persian)
Mohammad-Ali, M. 2017. Modeling the changes of DO, BOD and algae along the Karaj River. Master's thesis. Faculty of Environment, Islamic Azad University, Science and Research Unit. 120 pages. (in persian)
Rostam Afshar, N.; Afshar, A. & Jalili, N. 2009. Behavioral forecasting of the river system response model regarding the random load of input pollutant, a case study of the Karkheh river. The first regional conference on the optimal use of water resources in the Karun and Zayandeh River basins, Shahrekord University, 14-15 Shahrivar, Shahrekord. (in persian)
Saadatpour, M. & Hervey, A. 2015. Study Of Environmental Performance Criteria In Karkheh Reservoir Using Enhanced Model Of Ce-Qual-W2 (V3.72). Iran Water Resources Research Journal. 12 (3): 50-64. (in persian)
Serkon, N. & Evine, N. 2009. Water quality modeling and dissolved oxygen balance in streams: a point source streeter-phelps application in the Harsit stream. Clean- Soil Air Water, 37(1): 67- 74.
Torabi-Mibdi, A. & Bodaghpour, S. 2013. Simulating the process of quality changes of Qarasu river using QUAL2K model. The first national conference on water flow and pollution, Tehran, University of Tehran. (in persian)
Torres, E.; Galván, L.; Cánovas, C.; Soria-Píriz, S.; Arbat-Bofill, M.; Nardi, A.; Papaspyrou, S. & Ayora, C. 2016. Oxycline formation induced by Fe(II) oxidation in a water reservoir affected by acid mine drainage modeled using a 2D hydrodynamic and water quality model — CE-QUAL-W2. Science of the Total Environment, 562: 1-12.
Zhang. Zh..; Sun. B. & .Johnson, B. 2015. Integration of a benthic sediment diagenesis module into the two dimensional hydrodynamic and water quality model – CE-QUAL-W2, Ecological Modelling, 297:213-231.