کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4389262 | 1618022 | 2015 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Sectional analysis of stormwater treatment performance of a constructed wetland
ترجمه فارسی عنوان
تجزیه و تحلیل های جداگانه عملکرد تصفیه ی فاضلاب یک تالاب ساخته شده
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کلمات کلیدی
تالاب ساخته شده، درمان طوفان کیفیت طوفان فرایندهای آلاینده طوفان آب، ویژگی های بارش، طراحی شهری حساس به آب
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
بوم شناسی، تکامل، رفتار و سامانه شناسی
چکیده انگلیسی
Constructed wetlands are among the most common Water Sensitive Urban Design (WSUD) measures for stormwater treatment. These systems have been extensively studied to understand their performance and influential treatment processes. Unfortunately, most past studies have been undertaken considering a wetland system as a lumped system with a primary focus on the reduction of the event mean concentration (EMC) values of specific pollutant species or total pollutant load removal. This research study adopted an innovative approach by partitioning the inflow runoff hydrograph and then investigating treatment performance in each partition and their relationships with a range of hydraulic factors. The study outcomes confirmed that influenced by rainfall characteristics, the constructed wetland displays different treatment characteristics for the initial and later sectors of the runoff hydrograph. The treatment of small rainfall events (<15Â mm) is comparatively better at the beginning of runoff events while the trends in pollutant load reductions for large rainfall events (>15Â mm) are generally lower at the beginning and gradually increase towards the end of rainfall events. This highlights the importance of ensuring that the inflow into a constructed wetland has low turbulence in order to achieve consistent treatment performance for both, small and large rainfall events.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ecological Engineering - Volume 77, April 2015, Pages 172-179
Journal: Ecological Engineering - Volume 77, April 2015, Pages 172-179
نویسندگان
Isri R. Mangangka, An Liu, Prasanna Egodawatta, Ashantha Goonetilleke,