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Strategies for Water Security and Aquatic Ecosystem Restoration in the Yangtze River Economic Belt

Hu Chunhong, Zhang Shuanghu

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 166-175 doi: 10.15302/J-SSCAE-2022.01.018

Abstract: excessive development is the key strategy for promoting the high-quality development of the Yangtze RiverIt is necessary to tackle principal contradictions with targeted measures in the process of Yangtze Riverwe analyze the major issues regarding water security and aquatic ecosystem protection in the Yangtze River, restore the connection between the Yangtze River and some former connected lakes in the middle andThe strategies for regulating the river–lake relationship are to improve the four water systems

Keywords： Yangtze River Economic Belt     water security     aquatic ecosystem restoration     flood control safety     habitatreconstruction     river–lake relationship    

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River restoration challenges with a specific view on hydromorphology

Jianhua LI, Stephan HOERBINGER, Clemens WEISSTEINER, Lingmin PENG, Hans Peter RAUCH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1033-1038 doi: 10.1007/s11709-020-0665-9

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in Vegetation Greenness, Productivity, and Rainfall Use Efficiency Are Characteristic of Ecological RestorationTowards High-Quality Development in the Yellow River Basin, China

Yang Yu,Ting Hua,Liding Chen,Zhiqiang Zhang,Paulo Pereira,

Engineering doi: 10.1016/j.eng.2023.07.012

Abstract: quantify vegetation dynamics and their relationship with rainfall in different reaches of the Yellow Riverlocations reliant on the correlation between vegetation and rainfall were identified and designated for restorationplanning purposes to propose future ecological restoration efforts.The outcomes of our analysis and the proposed ecological restoration framework can provide decision-makers

Keywords： Vegetation greenness     Vegetation productivity     Rainfall use efficiency     Sensitivity     Yellow River Basin    

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Ecological Compensations for Damed Rivers

Dong Zheren

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 5-10

Abstract:

The stresses of dams on river ecosystems are analyzed based on river continuity characteristics.It is feasible to implement ecological compensations for darned rivers by river restoration engineeringIt is suggested to conduct value evaluation of river ecosystem services for decision-making of large

Keywords： dam     river restoration     ecological compensation     compensation mechanism    

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The research of control and onservation technologies of Liaohe River conservation area

Duan Liang,Song Yonghui,Bai Lin,Xiang Liancheng,Zeng Ping,Peng Jianfeng,Tian Zhiyong

Strategic Study of CAE 2013, Volume 15, Issue 3,   Pages 107-112

Abstract:

In the National "11th Five-year" period,the Liaohe RiverIn order to consolidate the control achievements of the Liaohe River mainstream,and to achieve long-termSo we do the research about the Liaohe River control and conservation.considerate the interaction and relationships of hydraulic project,pollution control project,ecological restorationWe have completed five special researches of land use,ecosystem restoration,integrated river management

Keywords： Liaohe River conservation area     control     conservation     ecosystem restoration    

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A New Method of Assessing Environmental Flows in Channelized Urban Rivers Article

Xin-An Yin, Zhifeng Yang, Enze Zhang, Zhihao Xu, Yanpeng Cai, Wei Yang

Engineering 2018, Volume 4, Issue 5,   Pages 590-596 doi: 10.1016/j.eng.2018.08.006

Abstract: Assessing environmental flows (e-flows) for urban rivers is important for water resources planning and rivertraditional methods will be very small, and will consequently lead to a low priority being given to riverThe proposed methods have been used in Shiwuli River, China, to demonstrate their effectiveness.

Keywords： Environmental flow     Urban river     Channelized rivers     River restoration    

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Ecological Change Assessment and Protection Strategy in the Yellow River Basin

Mou Xuejie, Zhang Xiao, Wang Xiahui, Wang Jinnan, Rao Sheng, Huang Jin, Chai Huixia

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 113-121 doi: 10.15302/J-SSCAE-2022.01.012

Abstract:

The ecological environment of the Yellow River Basin is sensitive andTo effectively promote ecological protection and high-quality development of the Yellow River Basin andThen we propose future ecological protection and restoration strategies.Therefore, we propose that ecological protection and restoration of the Yellow River Basin should beevaluating the implementing effect of ecological projects, (2) promoting ecological protection and restoration

Keywords： Yellow River Basin     ecosystem     assessment     conservation and restoration    

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Suitable Weir Heights to Improve the Provision of Environmental Flows in Urban Rivers Article

Yuanyuan Sun, Xin’an Yin, Xianqiang Mao, Enze Zhang, Yanwei Zhao

Engineering 2021, Volume 7, Issue 2,   Pages 187-194 doi: 10.1016/j.eng.2020.05.022

Abstract: we suggest that the measures for satisfying e-flows be extended from the water supply stage to the riverAs a case study of the new framework’s effectiveness, we applied it to the Shiwuli River in Hefei, China, a typical channelized urban river in China.

Keywords： Environmental flow     Urban rivers     River restoration    

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Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1, doi: 10.1007/s11465-021-0658-y

Abstract: When free-floating space robots perform space tasks, the satellite base attitude is disturbed by the dynamic coupling. The disturbance of the base orientation may affect the communication between the space robot and the control center on earth. In this paper, the enhanced bidirectional approach is proposed to plan the manipulator trajectory and eliminate the final base attitude variation. A novel acceleration level state equation for the nonholonomic problem is proposed, and a new intermediate variable-based Lyapunov function is derived and solved for smooth joint trajectory and restorable base trajectories. In the method, the state equation is first proposed for dual-arm robots with and without end constraints, and the system stability is analyzed to obtain the system input. The input modification further increases the system stability and simplifies the calculation complexity. Simulations are carried out in the end, and the proposed method is validated in minimizing final base attitude change and trajectory smoothness. Moreover, the minute internal force during the coordinated operation and the considerable computing efficiency increases the feasibility of the method during space tasks.

Keywords： free-floating space robot     dual arm     coordinated operation     base attitude restoration     bidirectional    

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Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plant

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 573-584 doi: 10.1007/s11783-011-0363-x

Abstract: This pilot study in Waihuan River of Tianjin, China, revealed that reduction of Chemical Oxygen Demand

Keywords： modularized and air adjustable constructed submerged plant bed     water purification     eco-restoration techniques    

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Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 227-235 doi: 10.1007/s11783-010-0219-9

Abstract: Previous studies on river health evaluation mainly focused on characterizations at a river-corridor scaleand ignored the complex interactions between the river ecosystem and other components of the river basinBased on the consideration of the interactions among rivers, associated river basin and habitats, an’s Liao River Basin was established.basin, were the main causes of the river health deterioration.

Keywords： multi-scale characterization     river health evaluation     Liao River Basin     set pair analysis    

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Water Security in Beijing‒Tianjin‒Hebei Region: Challenges and Strategies

Zhao Yong , Wang Qingming , Wang Hao , He Fan , Li Haihong , Zhai Jiaqi , Liu Rong , Hu Peng , Wang Jing

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 8-18 doi: 10.15302/J-SSCAE-2022.07.001

Abstract: , and other severe water ecological problems, we propose a layout for the ecological protection and restoration

Keywords： Beijing‒Tianjin‒Hebei region     water security     efficient utilization of water resources     groundwater level restoration     river and lake ecology protection    

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Water Resource Effectiveness of Vegetation Conservation and Restoration in North China

Sun Siqi,Chen Yongzhe,Wang Cong,Hu Qingfang,Lyu Yihe

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 97-106 doi: 10.15302/J-SSCAE-2022.05.012

Abstract:

In recent years, a series of ecological protection and restoration projectsExploring the impact of regional vegetation restoration on the water circulation process and the balanceof water supply and demand is important for improving ecological restoration strategies and realizingare identified, and the tradeoff between water resources and vegetation restoration is discussed.The results show that the effects of ecological protection and restoration projects are remarkable, with

Keywords： North China     ecological restoration projects     evapotranspiration     water storage     net primary productivity     atural restoration    

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Application of endoscopic techniques in orbital blowout fractures

Shu Zhang, Yinwei Li, Xianqun Fan

Frontiers of Medicine 2013, Volume 7, Issue 3,   Pages 328-332 doi: 10.1007/s11684-013-0271-5

Abstract:

Minimally invasive surgical techniques, particularly endoscopic techniques, have revolutionized otolaryngeal surgery. Endoscopic techniques have been gradually applied in orbital surgery through the sinus inferomedial to the orbit and the orbital subperiosteal space. Endoscopic techniques help surgeons observe fractures and soft tissue of the posterior orbit to precisely place implants and protect vital structures through accurate, safe, and minimally invasive approaches. We reviewed the development of endoscopic techniques, the composition of endoscopic systems for orbital surgery, and the problems and developmental prospects of endoscopic techniques for simple orbital wall fracture repair.

Keywords： orbital fractures     endoscope     restoration     surgery    

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Eutrophication status and control strategy of Taihu Lake

ZHANG Limin, XIA Minfang, ZHANG Lei, WANG Chun, LU Jilai

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 280-290 doi: 10.1007/s11783-008-0062-4

Abstract: possible control strategies are summarized, including the control of internal pollution sources and inflow-riverpollution, ecological restoration and reconstruction of the degraded lakeside zone ecosystem, clean

Keywords： eutrophication     GDP     capacity     reconstruction     ecological restoration    

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Title Author Date Type Operation

Strategies for Water Security and Aquatic Ecosystem Restoration in the Yangtze River Economic Belt

Hu Chunhong, Zhang Shuanghu

Journal Article

River restoration challenges with a specific view on hydromorphology

Jianhua LI, Stephan HOERBINGER, Clemens WEISSTEINER, Lingmin PENG, Hans Peter RAUCH

Journal Article

in Vegetation Greenness, Productivity, and Rainfall Use Efficiency Are Characteristic of Ecological RestorationTowards High-Quality Development in the Yellow River Basin, China

Yang Yu,Ting Hua,Liding Chen,Zhiqiang Zhang,Paulo Pereira,

Journal Article

Ecological Compensations for Damed Rivers

Dong Zheren

Journal Article

The research of control and onservation technologies of Liaohe River conservation area

Duan Liang,Song Yonghui,Bai Lin,Xiang Liancheng,Zeng Ping,Peng Jianfeng,Tian Zhiyong

Journal Article

A New Method of Assessing Environmental Flows in Channelized Urban Rivers

Xin-An Yin, Zhifeng Yang, Enze Zhang, Zhihao Xu, Yanpeng Cai, Wei Yang

Journal Article

Ecological Change Assessment and Protection Strategy in the Yellow River Basin

Mou Xuejie, Zhang Xiao, Wang Xiahui, Wang Jinnan, Rao Sheng, Huang Jin, Chai Huixia

Journal Article

Suitable Weir Heights to Improve the Provision of Environmental Flows in Urban Rivers

Yuanyuan Sun, Xin’an Yin, Xianqiang Mao, Enze Zhang, Yanwei Zhao

Journal Article

Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Journal Article

Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plant

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Journal Article

Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Journal Article

Water Security in Beijing‒Tianjin‒Hebei Region: Challenges and Strategies

Zhao Yong , Wang Qingming , Wang Hao , He Fan , Li Haihong , Zhai Jiaqi , Liu Rong , Hu Peng , Wang Jing

Journal Article

Water Resource Effectiveness of Vegetation Conservation and Restoration in North China

Sun Siqi,Chen Yongzhe,Wang Cong,Hu Qingfang,Lyu Yihe

Journal Article

Application of endoscopic techniques in orbital blowout fractures

Shu Zhang, Yinwei Li, Xianqun Fan

Journal Article

Eutrophication status and control strategy of Taihu Lake

ZHANG Limin, XIA Minfang, ZHANG Lei, WANG Chun, LU Jilai

Journal Article