بررسی وضعیت لایه بندی حرارتی در مخزن اول چاه‌نیمه در راستای مدیریت کیفی منابع آب در دشت سیستان
الموضوعات :
ایمان همایون نژاد
1
,
امیرحسام حسنی
2
,
اکرم الملوک لاهیجانیان
3
1 - استادیار، گروه کشاورزی دانشگاه پیام نور(PNU)، تهران، ایران. *(مسوول مکاتبات)
2 - استاد، گروه مهندسی محیط زیست، دانشکده منابع طبیعی و محیط زیست، دانشگاه آزاد اسلامی-واحد علوم و تحقیقات تهران.
3 - دانشیار،گروه مدیریت محیط زیست، دانشکده منابع طبیعی و محیط زیست، دانشگاه آزاد اسلامی-واحد علوم و تحقیقات تهران.
تاريخ الإرسال : 12 الثلاثاء , شوال, 1439
تاريخ التأكيد : 21 الثلاثاء , صفر, 1440
تاريخ الإصدار : 23 الأربعاء , ذو القعدة, 1443
الکلمات المفتاحية:
چاه نیمه شماره یک,
کیفیت آب,
لایه بندی حرارتی,
ملخص المقالة :
زمینه و هدف : آب دریاچه‌ها و مخازن در مناطق معتدله در برخی از فصول دچار لایه بندی حرارتی می‌شود و بررسی چگونگی مدل لایه بندی و زمان آن می تواند امکان طراحی یک الگوی مناسب برای مدیریت کیفی آب و حتی پایش را فراهم آورد. این پژوهش با هدف تعیین تغییرات دما در ترازهای مختلف آب و مدل حرارتی مخزن شماره یک چاه نیمه زابل جهت مدیریت بهینه این منبع با ارزش انجام گرفت.روش بررسی: مطالعه به صورت توصیفی ـ تحلیلی از طریق تعیین ایستگاه نمونه‌برداری و برداشت آب از 8 عمق مختلف آب (از سطح آب تا عمق 15 متری) از مهر 94 تا مهر 95 طی 12 ماه بصورت ماهیانه انجام شد. به همراه دما فاکتورهایDO،EC ، TDS و PH در اعماق مختلف مخزن نیز بررسی گردید. در نهایت از تحلیل های آماری چند متغیره برای تفسیر مجموعه داده ها استفاده شد.یافته ها: لایه بندی حرارتی در چاه نیمه از اوایل بهار در اردیبهشت ماه آغاز می‌گردد و تقریبا در هر سال تا اوایل آبان به مدت 6 ماه ادامه می یابد این پدیده در اواسط تابستان و تیرماه به شدیدترین حالت خود می‌رسد. لایه بندی با شروع فصل پاییز بدلیل تغییرات اقلیمی از بین رفته و مخزن همگن می‌گردد.بحث و نتیجه گیری: فاکتورهای کیفی در این مخزن تحت تاثیر لایه بندی تغییر می‌کنند اما میانگین آنها در مقایسه با استانداردهای جهانی مناسب بوده و آب مخزن قابلیت کاربری آشامیدنی را دارد. در راستای مدیریت کیفی این منبع باید گفت برداشت آب در بهار و بخصوص تابستان از ترازهای مختلف آب، کیفیت های متفاوتی را در اختیار مصرف کننده قرار می‌دهد و هرچقدر عمق برداشت به بستر نزدیک تر گردد کیفیت آب بدست آمده پایین تر است. اما کیفیت آب در اعماق مختلف دریاچه در پاییز و زمستان تقریبا یکسان و نزدیک بهم است.
المصادر:
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Kiyani sadr, Maryam. 2014. Simulation of thermal layering and dissolved oxygen concentration using the CE qualw2 model, Wetland ecobiology scientific-research quarterly. Ahvaz university, Year 9, No. 32:52-39. (In Persian)
Kiyanoosh, bizhan. Ahmadyar, bizhan. 2016. Investigating the effect of thermal stratification on artificial mixing efficiency in reservoirs of dams, Scientific-research journal of hydraulics, Volume 10, Number 4: 17-33. (In Persian)
Regional Water Joint Stock Company of Sistan and Baluchistan Province. 2014. The final report of the chahnime geotechnical project, volume one. (In Persian)
Guideline For Water Quality Monitoring of Dams Reservoirs, 2011, Ministry Of Energy Press: 551.
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Fataei, E.,Ansari Moghadam, D,And Nasehi,F., Prediction Of Thermal Stratification Of Seymarch Damusing CE Qual. W2 Model. Advances In Bioresearch,5(1):150-159
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Nazariha, mehrdad.2011. Comparison of the thermal layering of the tank under construction in Bakhtiari in two areas in Yachei and transition using the CE qual-W2 model, Environmental Science and Technology Quarterly, Volume 13, Number 3, Pages 19-28. (In Persian)
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Asadi, Ali. Investigating the health status of drinking water in the 22nd district of Tehran and the effects of Tehran's development plan on it, MSc thesis, health department, Medical university of Tehran, 2011. (In Persian)
Monnavary SM, Noori J, Sohrabnia N. phytoplakton Assembly effect in Karaj Reservoir water quality water and wastewater 2013; 24 (86) : 19-30. (In Persian)
S.EPA.2015. Drinking Water Standards. U.S.EPA. New York.
Vice president, planning and control office. Surface water quality guidelines; 551: 23-170.
Roberts RD. perspectives on environmental monitoring in freshwater management. Springer; 2013.
Boqiang Q. Zhenjwen L, Havens K, 2007 Eutrophication in Lakes. Hydrobiologia 581 , 3-14
Kaveh, mohammad., moridi, Ali. Investigating the effect of thermal stratification and trophic phenomenon on the water quality of dam reservoirs (case study of Dam Dosti reservoir), The 6th International Conference on Water Resources Management, Kordestan university, 2017, pp1-4. (In Persian)
Rockwell DC. The US-EPA Lake Erie indicators monitoring program 1983-2002: trends in phosphorus, silica, and chlorophylla in the central basin. Journal of great lakes research 2005: 31(supplement 2):23-34.
Caruso B. Integrated assessment of phosphorus in the lake Hayes catchment, south Island New Zeland. Journal of hydrology 2010; 229(3): 168-89.
Khayami M, Danesh Sh, Khodashenas S. water quality in the reservoir dam through by means the outputs of dam impounding choice of location. Proceeding of the first congress consistent with water scarcity; 2008. (In Persian)
Plamer, M. D, 2001, Water Quality Modeling Guide to Effective Practice, World Bank Publications.
Shamlou A, Naseri S, Nadifi K. water quality monitoring of the Gilarlo reservoir. Journal of water and waste water 2004; 15(3): 51.
Ebrahimzade, Investigating the effect of thermal stratification and eutrophication on the water quality of Zabul Wetland msc thesis, Medical university of zahedan, 2015. (In Persian)
Veisi, keivan. Samarghandi, mohamadreza. Samadi, mohamadtaghi. Safaei, mohsen. 2013. Monitoring the destructive phenomenon of thermal stratification in the reservoir dam lake of ekbatan, hamadan, scientific-research journal of health system research, year 9, issue 9, 20-29. (In Persian)
L., Tempel. R. N, Stillings. L., And Shevenell. L.2006. Modeling Spatial And Temporal Variations In Temperature And Salinity During Stratification And Over Turn In Dexter Pit Lake, Tuscarora, Nevada, USA, And Applied Geochemistry, Vol 21, ISS. 7, PP, 1184 – 1203.
Kiyani sadr, Maryam. 2014. Simulation of thermal layering and dissolved oxygen concentration using the CE qualw2 model, Wetland ecobiology scientific-research quarterly. Ahvaz university, Year 9, No. 32:52-39. (In Persian)
Kiyanoosh, bizhan. Ahmadyar, bizhan. 2016. Investigating the effect of thermal stratification on artificial mixing efficiency in reservoirs of dams, Scientific-research journal of hydraulics, Volume 10, Number 4: 17-33. (In Persian)
Regional Water Joint Stock Company of Sistan and Baluchistan Province. 2014. The final report of the chahnime geotechnical project, volume one. (In Persian)
Guideline For Water Quality Monitoring of Dams Reservoirs, 2011, Ministry Of Energy Press: 551.
Standard Methods for the Examination of Water and Waste Water, 21th End, American Public Health Association/Washington DC, USA.
Fataei, E.,Ansari Moghadam, D,And Nasehi,F., Prediction Of Thermal Stratification Of Seymarch Damusing CE Qual. W2 Model. Advances In Bioresearch,5(1):150-159
Kannel, P.R., Et Al. Are View Of Public Domain Water Quality Models For Simulating Dissolved Oxygen In River And Streams. Journal Of Environment Model Assess, No 16, pp: 183-204.
Nazariha, mehrdad.2011. Comparison of the thermal layering of the tank under construction in Bakhtiari in two areas in Yachei and transition using the CE qual-W2 model, Environmental Science and Technology Quarterly, Volume 13, Number 3, Pages 19-28. (In Persian)
Rezaei, hadi. Salmasi, farzin. Sahebi, farzane.2018. Investigation of thermal and qualitative layering in Teham Zanjan Dam using the CE qual-W2 model, Environmental Science and Technology Quarterly, Volume 20, Number 1, Pages 127-145. (In Persian)
