کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6356188 | 1315602 | 2016 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Coincident patterns of waste water suspended solids reduction, water transparency increase and chlorophyll decline in Narragansett Bay
ترجمه فارسی عنوان
الگوهای همخوانی کاهش میزان مواد جامد معلق، افزایش شفافیت آب و کاهش کلروفیل در خلیج ناراژانست
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
اقیانوس شناسی
چکیده انگلیسی
Dramatic changes occurred in Narragansett Bay during the 1980s: water clarity increased, while phytoplankton abundance and chlorophyll concentration decreased. We examine how changes in total suspended solids (TSS) loading from wastewater treatment plants may have influenced this decline in phytoplankton chlorophyll. TSS loading, light and phytoplankton observations were compiled and a light- and temperature-dependent Skeletonema-based phytoplankton growth model was applied to evaluate chlorophyll supported by TSS nitrogen during 1983-1995. TSS loading declined 75% from ~ 0.60 Ã 106 kg monthâ 1 to ~ 0.15 Ã 106 kg monthâ 1 during 1983-1995. Model results indicate that nitrogen reduction related to TSS reduction was minor and explained a small fraction (~ 15%) of the long-term chlorophyll decline. The decline in NBay TSS loading appears to have increased water clarity and in situ irradiance and contributed to the long-term chlorophyll decline by inducing a physiological response of a ~ 20% reduction in chlorophyll per cell.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Pollution Bulletin - Volume 107, Issue 1, 15 June 2016, Pages 161-169
Journal: Marine Pollution Bulletin - Volume 107, Issue 1, 15 June 2016, Pages 161-169
نویسندگان
David G. Borkman, Theodore J. Smayda,