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Probabilistic stability analysis of Bazimen landslide with monitored rainfall data and water level fluctuationsin Three Gorges Reservoir, China

Wengang ZHANG, Libin TANG, Hongrui LI, Lin WANG, Longfei CHENG, Tingqiang ZHOU, Xiang CHEN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1247-1261 doi: 10.1007/s11709-020-0655-y

Abstract: Landslide is a common geological hazard in reservoir areas and may cause great damage to local residentsIt is widely accepted that rainfall and periodic variation of water level are the two main factors triggeringreservoir landslides.The results indicate that the fluctuation of the reservoir water level plays a pivotal role in inducingslope failures, for the minimum stability coefficient occurs at the rapid decline period of water level

Keywords： reliability analysis     Bazimen landslide     rainfall     reservoir water level     slope stability    

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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: discriminant analysis, principal component analysis, and factor analysis were applied to analyze the waterquality status of Yuqiao Reservoir Basin, North China, for assessing its spatio-temporal variationsIn 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.

Keywords： Fuzzy comprehensive assessment     multivariate statistical analysis     water quality    

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A modeling system for drinking water sources and its application to Jiangdong Reservoir in Xiamen city

Pengfei DU, Zhiyi LI, Jinliang HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 735-745 doi: 10.1007/s11783-013-0560-x

Abstract: However, it is difficult to apply models in water source management because water managers are oftenmodel, a hydrological model and a water quality model.and emergency water event response.In this study, the sub-models of the system were developed based on the data of the Jiangdong ReservoirFurthermore, three applications for Jiangdong Reservoir water protection utilizing the system were introduced

Keywords： water source     integrated modeling system     prediction     Jiulong River    

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System engineering for water pollution control at the watershed level in China

Wei MENG,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 443-452 doi: 10.1007/s11783-009-0037-0

Abstract: The present water pollution situation at watershed level in China has been systematically analyzed.The problems of water pollution control at watershed level include a lack of thought and approach, developmentalFrom 2006 to 2020, water pollution control and governance will be a national key specific project ofThe strategies of this project include establishing a water pollution control system at watershed levelenvironmental pollution control, potable water safety, and water environmental management.

Keywords： water pollution control     watershed     system engineering     sustainability     integrated watershed management     key    

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A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 63-67

Abstract:

In thermally stratified reservoir, a multi-level intake structure isusually adopted in hydropower station to reduce the negative effect of releasing lower-temperature waterAnd a simple and practical formula of water temperature released is need.Nuozhadu Hydropower Station, a model test is conducted to model the thermal stratification of this reservoir, and measure the temperature of water released from the intake structure.

Keywords： thermally stratified reservoir     hydropower station intake     stop-log gate     formula of water temperature    

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Water quality monitoring in a slightly-polluted inland water body through remote sensing - Case studyof the Guanting Reservoir in Beijing, China

HE Weiqi, LIU Xuehua, CHEN Jining, CHEN Shan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 163-171 doi: 10.1007/s11783-008-0027-7

Abstract: This study focused on the water quality of the Guanting Reservoir, a possible auxiliary drinking watermodels were established and analyzed for eight common water quality variables, including algae contentThe results show that there exists a statistically significant correlation between each water qualityvariable and remote sensing data in a slightly-polluted inland water body with fairly weak spectralclean inland water bodies is possible and effective.
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Three-dimensional fluorescence spectral characterization of soil dissolved organic matters in the fluctuating water-levelzone of Kai County, Three Gorges Reservoir

Fang FANG, Yan YANG, Jinsong GUO, Hong ZHOU, Chuan FU, Zhe LI

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 426-434 doi: 10.1007/s11783-010-0264-4

Abstract: spectroscopy was used to investigate the fluorescent properties of soil dissolved organic matter (DOM) in the water-level-fluctuationzone (WLFZ) of Kai County, Three Gorges Reservoir (TGR).A and B, the fluorescence intensities of peaks C and D were strongly influenced by the fluctuating waterlevel.

Keywords： water-level-fluctuation zone (WLFZ)     soil     dissolved organic matter (DOM)     three-dimensional fluorescence    

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Water-level based discrete integrated dynamic control to regulate the flow for sewer-WWTP operation

Zhengsheng Lu, Moran Wang, Mingkai Zhang, Ji Li, Ying Xu, Hanchang Shi, Yanchen Liu, Xia Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1222-4

Abstract: A dynamic discrete control based on the water level was developed.level variations, which can be realized only based on the programmable logic controller (PLC) systemA discretized water level control model was developed to conduct the real-time control based on data-automationThe discretized water level control method can regulate dynamic wastewater pumping flow of pumps followingthe dynamic water level variation in the sewer system.

Keywords： Sewer system     Integrated control     Discrete control     Water level    

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New insights into the formation of ammonium nitrate from a physical and chemical level perspective

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1737-6

Abstract:

● Factor analysis of ammonium nitrate formation based on thermodynamic theory.

Keywords： Ammonium nitrate formation     Thermodynamic theory     Aerosol liquid water content     Source apportionment    

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accident pollution and emergency response study based on geographic information system in Three Gorges Reservoir

Aifeng Zhai, Xiaowen Ding, Lin Liu, Quan Zhu, Guohe Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1223-3

Abstract: A new algorithm of two-dimensional water quantity and the quality model was built.The emergency measures for sudden water pollution accidents was proposed.In recent years, sudden water pollution accidents in China’s rivers have become more frequent, resultingand Jialing River in the Chongqing section of the Three Gorges Reservoir area.Three Gorges Reservoir area.

Keywords： Sudden water pollution accident     Total phosphorus     Predictive model     Contaminant simulation     Water scheduling    

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Eutrophication Control of Lake/Reservoir Water Sources and Assurance of Drinking Water Safety in China

Cao Xiaofeng, Ji Zehua, Lan Huachun, Liu Huijuan, Qu Jiuhui

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 34-40 doi: 10.15302/J-SSCAE-2022.05.005

Abstract:

Lake and reservoir ecosystems face varying degrees of eutrophicationIn this study, we reviewed the current status of eutrophication  and water quality of lake and reservoirenvironmental protection and ecological restoration of lake and reservoir drinking water sources, (2)big data fusion, and (4) accelerating the system and mechanism innovation for guaranteeing lake and reservoirdrinking water safety.

Keywords： climate change     drinking water     safety guarantee     lake and reservoir     eutrophication    

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TRADE-OFFS IN THE DESIGN OF SUSTAINABLE CROPPING SYSTEMS AT A REGIONAL LEVEL: A CASE STUDY ON THE NORTH

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 295-308 doi: 10.15302/J-FASE-2021434

Abstract: progressively homogenized and intensified with increasing rates of inputs such as fertilizers, pesticides and waterresulted in higher crop productivity but also a high environmental burden due to increased pollution and waterhow 30 different crop rotations practiced in the North China Plain could be combined at the regional leveltrade-offs between objectives of maximizing productivity and profitability versus minimizing ground waterwas concluded that a holistic analysis of the potential of a diversity cropping systems at a regional level

Keywords： crop rotation / food security / multi-objective optimization / water use    

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Ecological compensation based on willingness to accept for conservation of drinking water sources

Linyu XU,Bing YU,Yang LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 58-65 doi: 10.1007/s11783-014-0688-3

Abstract: compensation is a powerful environmental economic tool for environmental protection in areas where drinking waterWe applied this accounting system to ecological compensation for the Miyun Reservoir, Beijing, China.The average WTA value for Miyun Reservoir residents was approximately 1186 CNY per family in 2012, whichDistance from the reservoir, job types, and attitude to environmental protection were variables withuseful information for establishing ecological compensation mechanisms for conservation of drinking water

Keywords： contingent valuation method     questionnaire survey     Miyun Reservoir    

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Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 85-91

Abstract:

Liquid condensate is an important product of gas condensate reservoir, and its recovery should bereservoirs, including reinjection with 75% dry gas recycling, dumpflooding of gas, nitrogen injection, waterinjection, water and gas alternating injection, C〇2 injection, etc.

Keywords： gas condensate reservoir     development model     gas injection     nitrogen injection     water injection     CO 2    

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Use microseismic monitoring to forecast hazardous earthquake of water reservoirs and mines

Liu Jianzhong,Liu Guohua

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 45-48

Abstract:

This paper discusses the use of microseismic monitoring for water reservoirAuthor deems that monitoring expanded to microseismic level can enlarge database and improve credibilityforecasting principles, microseismic monitoring can achieve breakthrough in hazardous quake forecasting of water

Keywords： reservoir     mine     earthquake disaster     hypocenter    

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Title Author Date Type Operation

Probabilistic stability analysis of Bazimen landslide with monitored rainfall data and water level fluctuationsin Three Gorges Reservoir, China

Wengang ZHANG, Libin TANG, Hongrui LI, Lin WANG, Longfei CHENG, Tingqiang ZHOU, Xiang CHEN

Journal Article

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

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Journal Article

A modeling system for drinking water sources and its application to Jiangdong Reservoir in Xiamen city

Pengfei DU, Zhiyi LI, Jinliang HUANG

Journal Article

System engineering for water pollution control at the watershed level in China

Wei MENG,

Journal Article

A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Journal Article

Water quality monitoring in a slightly-polluted inland water body through remote sensing - Case studyof the Guanting Reservoir in Beijing, China

HE Weiqi, LIU Xuehua, CHEN Jining, CHEN Shan

Journal Article

Three-dimensional fluorescence spectral characterization of soil dissolved organic matters in the fluctuating water-levelzone of Kai County, Three Gorges Reservoir

Fang FANG, Yan YANG, Jinsong GUO, Hong ZHOU, Chuan FU, Zhe LI

Journal Article

Water-level based discrete integrated dynamic control to regulate the flow for sewer-WWTP operation

Zhengsheng Lu, Moran Wang, Mingkai Zhang, Ji Li, Ying Xu, Hanchang Shi, Yanchen Liu, Xia Huang

Journal Article

New insights into the formation of ammonium nitrate from a physical and chemical level perspective

Journal Article

accident pollution and emergency response study based on geographic information system in Three Gorges Reservoir

Aifeng Zhai, Xiaowen Ding, Lin Liu, Quan Zhu, Guohe Huang

Journal Article

Eutrophication Control of Lake/Reservoir Water Sources and Assurance of Drinking Water Safety in China

Cao Xiaofeng, Ji Zehua, Lan Huachun, Liu Huijuan, Qu Jiuhui

Journal Article

TRADE-OFFS IN THE DESIGN OF SUSTAINABLE CROPPING SYSTEMS AT A REGIONAL LEVEL: A CASE STUDY ON THE NORTH

Journal Article

Ecological compensation based on willingness to accept for conservation of drinking water sources

Linyu XU,Bing YU,Yang LI

Journal Article

Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Journal Article

Use microseismic monitoring to forecast hazardous earthquake of water reservoirs and mines

Liu Jianzhong,Liu Guohua

Journal Article