کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8870905 | 1622701 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Stable isotopes demonstrate the effectiveness of a tidally-staged sewage release system
ترجمه فارسی عنوان
ایزوتوپهای پایدار اثربخشی یک سیستم آزادسازی فاضلاب را بهطور کامل نشان میدهند
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کلمات کلیدی
نیتروژن، فاضلاب، ساحل سنگی، جلبک، لنگر بارناکل،
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
اقیانوس شناسی
چکیده انگلیسی
Nutrient loading from sewage wastewater discharge contributes to the eutrophication of coastal waters. Wastewater from the Gold Coast, Australia is discharged into the Gold Coast Seaway (GCS) for 13.5â¯hâ¯dâ1 primarily on the ebbing tide to disperse wastewater seawards. Nitrogen stable isotopes were used to assess how effectively the tidally staged release system dispersed wastewater out of the GCS and identified pathways by which sewage-N was incorporated into food webs. Turf algae, limpets and barnacles were sampled at the GCS, at two coastal sites and at the mouth of a control estuary that lacked point-source discharge. In the GCS δ15N values of algae and limpets returned to coastal baseline levels within 250â¯m of the diffusers. In contrast, δ15N of filter-feeding barnacles did not significantly vary indicating wastewater-N does not dominate the pelagic food web. Nitrogen stable isotopes clearly demonstrated that the tidally-staged wastewater release system effectively disperses wastewater offshore.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Pollution Bulletin - Volume 133, August 2018, Pages 233-239
Journal: Marine Pollution Bulletin - Volume 133, August 2018, Pages 233-239
نویسندگان
Hayley L. Kaminski, Brian Fry, Jan Warnken, Kylie A. Pitt,