中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Simulation of phytoplankton biomass in Quanzhou Bay using a back propagation network model and sensitivity analysis for environmental variables

文献类型:CNKI期刊论文

作者Zheng W(郑伟); Shi HH(石洪华); Song XK(宋希坤); Huang DR(黄东仁); Hu L(胡龙)
发表日期2012-09-15
出处Chinese Journal of Oceanology and Limnology
关键词simulation phytoplankton biomass Quanzhou Bay back propagation(BP) network global sensitivity analysis
英文摘要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.
文献子类CNKI期刊论文
资助机构Supported by the Ocean Public Welfare Scientific Research Project,State Oceanic Administration of China(No.200705029) ; the National Special Fund for Basic Science and Technology of China(No.2012FY112500) ; the National Non-profit Institute Basic Research Fund(No.FIO2011T06)
v.30期:05页:133-141
语种英文;
分类号Q948.8
ISSN号0254-4059
源URL[http://ir.qdio.ac.cn/handle/337002/191136]  
专题中国科学院海洋研究所
作者单位1.MonitoringCenterofMarineEnvironmentandFisheryResourcesofFujianProvince
2.FirstInstituteofOceanography,StateOceanicAdministration
3.InstituteofOceanography,ChineseAcademyofSciences
4.SchoolofMathematicalSciences,FudanUniversity
推荐引用方式
GB/T 7714
Zheng W,Shi HH,Song XK,et al. Simulation of phytoplankton biomass in Quanzhou Bay using a back propagation network model and sensitivity analysis for environmental variables. 2012.

入库方式: OAI收割

来源:海洋研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。