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A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 815-824 doi: 10.1007/s11783-011-0383-6

Abstract: An improvement on the Water Quality Analysis Simulation Program (WASP, a modeling system introduced byThe model simulates water quality constituents associated with eutrophication in the lake, includingThe present model describes the temporal variation of water quality in Baiyangdian Lake with reasonableAs an ideal tool for environmental management of the lake, this model can be used to predict its waterquality, and be used in research to examine the eutrophication process.

Keywords： eutrophication     eco-dynamics     hydrodynamics     improved Water Quality Analysis Simulation Program (WASP) model    

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Study on hydrodynamic and synthetic water quality model for river networks

Zhang Mingliang,Shen Yongming

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 78-83

Abstract: Based on the characteristics of river-junction-river method and the theory of WASP, the synthetic waterquality model is set up for river networks, which includes many contamination variables and considersThis model is applied to simulate four river networks, the results of elevations and flows agree withThese results show this model is credible and it is a practical tool for forecast and management of waterquality in river networks.

Keywords： Preissmann implicit scheme     river networks     hydrodynamic model     water quality model     WASP model    

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Identification of pollution sources in rivers using a hydrodynamic diffusion wave model and improved

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1685-1

Abstract:

● A hydrodynamic-Bayesian inference model was developed for water

Keywords： Identification of pollution sources     Water quality restoration     Bayesian inference     Hydrodynamic model    

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Scientifically advanced woody media for improved water quality from livestock woodchip heavy-use areas

Laura Christianson, David DeVallance, Joshua Faulkner, Thomas Basden

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0909-7

Abstract: Overwintering cattle on pastures in many areas can damage the pasture and lead to impaired water quality

Keywords： Overwinter     Heavy-use area     Nutrient pollution     Torrefied     Woodchip    

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Sustainable Program Quality Management of International Infrastructure Construction

Steve Hsueh-Ming Wang

Frontiers of Engineering Management 2016, Volume 3, Issue 3,   Pages 239-245 doi: 10.15302/J-FEM-2016047

Abstract: Management of the program quality for international infrastructure construction projects is complicatedThis paper investigated current program quality management and compared it with the results of recentA method for the sustainable program quality management of the international infrastructure constructionThe findings from the KGMP’s survey and this research show that the trend of the sustainable programquality management of the international infrastructure construction is transferring from agility to alacrity

Keywords： sustainability     program     infrastructure    

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A novel hybrid model for water quality prediction based on VMD and IGOA optimized for LSTM

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1688-y

Abstract:

● A novel VMD-IGOA-LSTM model has proposed for the prediction ofwater quality.

Keywords： Water quality prediction     Grasshopper optimization algorithm     Variational mode decomposition     Long short-term    

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Numerical simulation and analysis for collapse responses of RC frame structures under earthquake

Fuwen ZHANG, Xilin LU, Chao YIN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 364-369 doi: 10.1007/s11709-009-0061-y

Abstract: In this paper, a discrete element model for collapse simulation of RC frame structure is constructedThis model introduces special hysteretic models of connected springs for arbitrary loading path and alsoBased on the discrete element model, a computer program is developed to simulate the whole process ofThen, the program is employed to study the collapse mechanism of a real building in Wenchuan earthquake-hitarea; the result of which shows that the simulation program developed based on the new model can realistically

Keywords： discrete element method     failure criteria     contact-impact     simulation program    

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Modeling effects of a tidal barrage on water quality indicator distribution in the Severn Estuary

Guanghai GAO, Roger A. FALCONER, Binliang LIN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 211-218 doi: 10.1007/s11783-012-0464-1

Abstract: the potential hydro-environmental impacts of a barrage across the Severn Estuary, with a numerical model

Keywords： water quality indicator     Severn Estuary     numerical model     tidal energy    

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Determination of the principal factors of river water quality through cluster analysis method and its

Liang GUO, Ying ZHAO, Peng WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 238-245 doi: 10.1007/s11783-011-0382-7

Abstract: In this paper, an artificial neural network model was built to predict the Chemical Oxygen Demand (CODTo enhance the prediction accuracy, principal factors were determined through the analysis of the weightrelation between influencing factors and forecasting object using cluster analysis method, which optimizedIt was shown that application of the principal factors in water quality prediction model can improveThis methodology is also applicable to various water quality prediction targets of other water bodies

Keywords： water quality forecast     principal factor     cluster analysis method     artificial neural network    

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Scenario analysis of water pollution control in the typical peri-urban river using a coupled hydrodynamic-waterquality model

Haifeng JIA, Shuo WANG, Mingjie WEI, Yansong ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 255-265 doi: 10.1007/s11783-010-0279-x

Abstract: The water quality pollution and ecological deterioration in peri-urban rivers are usually serious underA coupled model, derived from the Environmental Fluid Dynamics Code and Water Quality Analysis SimulationProgram, was developed to simulate the hydrodynamics and water quality in the Nansha River.Based on the results of the scenario analysis, a river rehabilitation scheme was recommended for implementation

Keywords： peri-urban river     coupled hydrodynamic-water quality modeling     scenario analysis     river rehabilitation    

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Impact of anthropogenic heat emissions on meteorological parameters and air quality in Beijing usinga high-resolution model simulation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1478-3

Abstract:

The Large scale Urban Consumption of energ Y model was updated and

Keywords： Anthropogenic heat emissions     LUCY     High-resolution     Meteorological parameters     Air quality    

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Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 241-247 doi: 10.1007/s11783-009-0023-6

Abstract: concentration in the influent on nitrous oxide (N O) emissions, together with the relationships between N O and waterquality parameters in free water surface constructed wetlands, were investigated with laboratory-scaleThe relationships between N O and the chemical and physical water quality variables were studied by usingprincipal component scores in multiple linear regression analysis to predict N O flux.The multiple linear regression model against principal components indicated that different water parameters

Keywords： free water surface constructed wetland     nitrous oxide emission     water quality parameter     principal componentanalysis     multiple linear regression    

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Spatio-temporal variations of water quality in Yuqiao Reservoir Basin, North China

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 649-664 doi: 10.1007/s11783-014-0702-9

Abstract: analysis, principal component analysis, and factor analysis were applied to analyze the water qualityIn this paper, we considered data for 14 water quality parameters collected during 1990–2004 at 7 waterThe results of fuzzy comprehensive assessment revealed that water quality in Yuqiao Reservoir Basin showedThe major water quality belonged to Class III and IV.Factor analysis identified four latent pollution sources for water quality variations: nutrient pollution

Keywords： Fuzzy comprehensive assessment     multivariate statistical analysis     water quality    

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Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 288-297 doi: 10.1007/s11783-014-0642-4

Abstract: There is no alternative to the world’s water resources, and their increasing scarcity is making it difficultto meet the world population’s water needs.This paper presents a sustainable water resources system (SWRS) and analyzes the operating mechanismThe study introduces a new approach, set pair analysis theory, to measure the state of a SWRS, and anAn evaluation model of the SWRS based on set pair analysis theory is constructed, and an example of SWRS

Keywords： sustainable water resources system     operating mechanism     set pair analysis model     Shanghai    

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Assessment of temporal and spatial variations in water quality using multivariate statistical methods

Xue LI,Pengjing LI,Dong WANG,Yuqiu WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 895-904 doi: 10.1007/s11783-014-0736-z

Abstract: This study evaluated the temporal and spatial variations of water quality data sets for the Xin'anjianganalysis (DA), correlation analysis, and principal component analysis (PCA).The water samples, measured by ten parameters, were collected every month for three years (2008–2010)The non–parametric correlation coefficient (Spearman R) explained the relationship between the waterquality parameters and the basin characteristics, and the GIS made the results visual and direct.

Keywords： Xin'anjiang River     multivariable statistical analysis     temporal variation     spatial variation     water quality    

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Title Author Date Type Operation

A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Journal Article

Study on hydrodynamic and synthetic water quality model for river networks

Zhang Mingliang,Shen Yongming

Journal Article

Identification of pollution sources in rivers using a hydrodynamic diffusion wave model and improved

Journal Article

Scientifically advanced woody media for improved water quality from livestock woodchip heavy-use areas

Laura Christianson, David DeVallance, Joshua Faulkner, Thomas Basden

Journal Article

Sustainable Program Quality Management of International Infrastructure Construction

Steve Hsueh-Ming Wang

Journal Article

A novel hybrid model for water quality prediction based on VMD and IGOA optimized for LSTM

Journal Article

Numerical simulation and analysis for collapse responses of RC frame structures under earthquake

Fuwen ZHANG, Xilin LU, Chao YIN,

Journal Article

Modeling effects of a tidal barrage on water quality indicator distribution in the Severn Estuary

Guanghai GAO, Roger A. FALCONER, Binliang LIN

Journal Article

Determination of the principal factors of river water quality through cluster analysis method and its

Liang GUO, Ying ZHAO, Peng WANG

Journal Article

Scenario analysis of water pollution control in the typical peri-urban river using a coupled hydrodynamic-waterquality model

Haifeng JIA, Shuo WANG, Mingjie WEI, Yansong ZHANG

Journal Article

Impact of anthropogenic heat emissions on meteorological parameters and air quality in Beijing usinga high-resolution model simulation

Journal Article

Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Journal Article

Spatio-temporal variations of water quality in Yuqiao Reservoir Basin, North China

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Journal Article

Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Journal Article

Assessment of temporal and spatial variations in water quality using multivariate statistical methods

Xue LI,Pengjing LI,Dong WANG,Yuqiu WANG

Journal Article