Concept and evaluation of bay health: the role of numerical model in the Yueqing Bay, China

ZHOU Dacheng; SUN Zhilin; HUANG Yu; HUANG Saihua; LI Li

doi:10.1007/s13131-016-0899-5

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Article Navigation > Acta Oceanologica Sinica > 2016 > 35(8): 3-15

ZHOU Dacheng, SUN Zhilin, HUANG Yu, HUANG Saihua, LI Li. Concept and evaluation of bay health: the role of numerical model in the Yueqing Bay, China[J]. Acta Oceanologica Sinica, 2016, 35(8): 3-15. doi: 10.1007/s13131-016-0899-5

Citation:

ZHOU Dacheng, SUN Zhilin, HUANG Yu, HUANG Saihua, LI Li. Concept and evaluation of bay health: the role of numerical model in the Yueqing Bay, China[J]. Acta Oceanologica Sinica, 2016, 35(8): 3-15. doi: 10.1007/s13131-016-0899-5

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Concept and evaluation of bay health: the role of numerical model in the Yueqing Bay, China

doi: 10.1007/s13131-016-0899-5

1.
Ocean College of Zhejiang University, Hangzhou 310058, China
2.
Ocean College of Zhejiang University, Hangzhou 310058, China;State Key Laboratory of Marine Environmental Science (Xiamen University), Xiamen 361005, China

Received Date: 2015-07-15
Rev Recd Date: 2016-03-25

Abstract

Abstract

To better evaluate the three-dimensional bay health and predict the dynamic bay health conditions, a concept of numerical bay health was introduced and a method of numerical bay health evaluation (NBHE) was developed. To support the NBHE method, a numerical bay health index (NBHI) system was constructed, which assess the natural and socio-economic effects on the entire bay. Five index groups are combined to formulate the NBHI, including geometry, hydrodynamics and sediment dynamics, bio-ecology, water quality and socio-economy. Each group has different number of indices selected and weighted using AHP method according to their importance. Data were mainly synthesized from a variety of numerical models together with monitoring programs, which provide superior to other approaches in discriminating data integrity and predicting data in future. The NBHE method using NBHI system was applied in the Yueqing Bay during spring tide in April 2007. According to the NBHE results, Sta. A, at the surface level of the estuarine mouth, has a healthy geometry condition, sub-healthy hydrodynamic and sediment dynamic condition, and unhealthy water quality and bioecology conditions. The integrated healthy score at Sta. A indicates its sub-healthy condition.
- numerical bay health concept,
- numerical model,
- numerical index system,
- three dimensional evaluation,
- Yueqing Bay

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