PSR-FCCLP model based total maximum allocated loads optimization of TN and TP in Bohai Bay

Eutrophication is a global problem for coastal ecosystems, one that Bohai Bay, China, has been severely afflicted due to rapid economic and social development in the past decades. It was urgent to manage the total maximum allocated loads (TMALs) of the total nitrogen (TN) and total phosphorus (TP) o...

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Vydáno v:	Marine pollution bulletin Ročník 185; číslo Pt A; s. 114249
Hlavní autoři:	Gu, Rui, Xu, Yan, Li, Zhaoguang, Jian, Shan, Tu, Jianbo, He, Shu, Sun, Jun
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Elsevier Ltd 01.12.2022
Témata:	China Environmental management eutrophication Fuzzy credibility constrained programming marine pollution Pressure-state-response model Total maximum allocated loads total nitrogen total phosphorus China Pressure-state-response model Fuzzy credibility constrained programming Total maximum allocated loads Environmental management
ISSN:	0025-326X, 1879-3363, 1879-3363
On-line přístup:	Získat plný text
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Shrnutí:	Eutrophication is a global problem for coastal ecosystems, one that Bohai Bay, China, has been severely afflicted due to rapid economic and social development in the past decades. It was urgent to manage the total maximum allocated loads (TMALs) of the total nitrogen (TN) and total phosphorus (TP) on land-based, which was closely related to coastal eutrophication. In this study, from the perspective of economy-resources-environment (ERE) system, we presented the fuzzy credibility constrained linear programming based on pressure-state-response (PSR-FCCLP) model, which calculated the TMALs of TN and TP at three credibility levels (λ = 0.55, 0.75, and 0.95) in Bohai Bay. The results showed that when the credibility level increased from 0.55 to 0.95, the TMALs of TN and TP would decrease from 13,573.38 t/a to 12,820.00 t/a and from 2665.58 t/a to 2514.90 t/a, respectively. This study will provide support for environmental management in coastal regions. •Proposing the pollutant interception coefficient (PIC) of coastal cities.•Establishing an optimization model based on economy-resources-environment system.•Considering three credibility levels in the calculation of the optimization model.•Managing the total maximum allocated loads of TN and TP in Bohai Bay, China.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0025-326X 1879-3363 1879-3363
DOI:	10.1016/j.marpolbul.2022.114249