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Simulation of phytoplankton biomass in Quanzhou Bay using a back propagation network model and sensitivity analysis for environmental variables
Zheng Wei1; Shi Honghua1; Song Xikun2,3; Huang Dongren3; Hu Long4; Shi, HH (reprint author), State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China.
2012-09-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号30期号:5页码:843-851
文章类型Article
摘要Prediction and sensitivity models, to elucidate the response of phytoplankton biomass to environmental factors in Quanzhou Bay, Fujian, China, were developed using a back propagation (BP) network. The environmental indicators of coastal phytoplankton biomass were determined and monitoring data for the bay from 2008 was used to train, test and build a three-layer BP artificial neural network with multi-input and single-output. Ten water quality parameters were used to forecast phytoplankton biomass (measured as chlorophyll-a concentration). Correlation coefficient between biomass values predicted by the model and those observed was 0.964, whilst the average relative error of the network was -3.46% and average absolute error was 10.53%. The model thus has high level of accuracy and is suitable for analysis of the influence of aquatic environmental factors on phytoplankton biomass. A global sensitivity analysis was performed to determine the influence of different environmental indicators on phytoplankton biomass. Indicators were classified according to the sensitivity of response and its risk degree. The results indicate that the parameters most relevant to phytoplankton biomass are estuary-related and include pH, sea surface temperature, sea surface salinity, chemical oxygen demand and ammonium.
关键词Simulation Phytoplankton Biomass Quanzhou Bay Back Propagation (Bp) Network Global Sensitivity Analysis
学科领域Limnology ; Oceanography
DOI10.1007/s00343-012-1216-6
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000308357800016
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/12441
专题海洋生态与环境科学重点实验室
通讯作者Shi, HH (reprint author), State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China.
作者单位1.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China
2.Chinese Acad Sci, Inst Oceanog, Qingdao 266071, Peoples R China
3.Monitoring Ctr Marine Environm & Fishery Resource, Fuzhou 350003, Peoples R China
4.Fudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China
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Zheng Wei,Shi Honghua,Song Xikun,et al. Simulation of phytoplankton biomass in Quanzhou Bay using a back propagation network model and sensitivity analysis for environmental variables[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2012,30(5):843-851.
APA Zheng Wei,Shi Honghua,Song Xikun,Huang Dongren,Hu Long,&Shi, HH .(2012).Simulation of phytoplankton biomass in Quanzhou Bay using a back propagation network model and sensitivity analysis for environmental variables.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,30(5),843-851.
MLA Zheng Wei,et al."Simulation of phytoplankton biomass in Quanzhou Bay using a back propagation network model and sensitivity analysis for environmental variables".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 30.5(2012):843-851.
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