Joint Flood Control Operation of Reservoirs in Xiaoshui Basin Based on DP-PS Algorithm by SHENG Dong, XU Xingyi, LIN Fanqi, HE Huaiguang, YUAN Yanmei, LUO Jinming

“…Taking the reservoir group in the Xiaoshui Basin as the research object, this paper builds a model of joint flood control operation of the reservoir group in the Xiaoshui Basin under combined floods from main and tributary rivers of different frequencies. On this basis, the dynamic programming-pattern search algorithm (DP-PS) is introduced to solve the model, and the operation scheme under the most unfavorable flood scenario is obtained. …”
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Construction and Application of Grid-Xin'anjiang Model Within Daheba Watershed in Shaanxi Province by HE Chengmin, GU Zhao

“…Taking Daheba watershed,the tributary of Hanjiang River in Shaanxi Province as the study area,this paper constructs the Grid-Xin'anjiang model through DEM (Digital Elevation Model) data analysis and geomorphic feature parameter extraction,applies it to simulate and analyze the runoff process of the watershed and the dynamic changes of spatial distribution of free water content,and carries out the flood simulation verification by the measured data of 7 flood in the special hydrological station of Daheba from 2011 to 2014 to verify the reliability of the constructed Grid-Xin'anjiang model.The results show that the simulation error of peak discharge can be controlled below 20% basically,the error of peak time is within 3 h,and the uncertainty coefficient is above 0.78,which indicating that the Grid-Xin'anjiang model can satisfactorily simulate the flood processes within Daheba watershed of Shaanxi Province.At the same time,taking the rainfall runoff process on July 16,2013 and July 25,2013 as an example,it analyzes the dynamic change of spatial distribution of free water content.As a result,combined with the physical meaning of free water content,the development of rainfall process and the evaluation of flood process precision at the outlet of the watershed,it can be concluded that the Grid-Xin'anjiang model can simulate the dynamic distribution of free water content accurately.…”
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Application of Harris Hawks Optimization Algorithm in Optimization of Generalized Nonlinear Muskingum Parameters ——A Case Study of the Luohe River by CHEN Haitao, ZHAO Zhijie

“…The Muskingum model plays an important role in river flood simulation,and its simulation accuracy relies on the optimal selection of parameters.To address the current challenges in parameter calibration for the Muskingum model,such as complex solution processes and low accuracy,the use of the Harris Hawks optimization (HHO) algorithm was proposed to optimize its parameters.HHO algorithm has a wide range of global search capabilities,with fewer parameters to be adjusted.Taking Luohe River,a tributary of the Yellow River,as the research object,the generalized nonlinear Muskingum model was used to simulate the flood in the Yiyang-Baimasi section of the river.The parameters were optimized by employing the HHO algorithm,particle swarm optimization (PSO) algorithm,and ant colony optimization (ACO) algorithm,respectively.The results show that the generalized nonlinear Muskingum model based on the HHO algorithm achieved high simulation accuracy in the Yiyang-Baimasi section of the Luohe River,with a Min.SSD of 1 237 and the flood peak error (DPO) of only 5,outperforming those obtained through optimization using PSO algorithm and ACO algorithm.The results are suitable for application in flood forecasting in the Yiyang-Baimasi section of the Luohe River.…”
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Competing frames over the Grand Ethiopian Renaissance Dam in the Egyptian and Ethiopian media by Desalegn Aynalem, Desalegn Aynalem, Abdissa Zerai

“…The frames and counter-frames emerged are, ‘Historic right’ Vs. ‘Tributary right,’ ‘National threat’ Vs. ‘National pride,’ ‘Power domination’ Vs. …”
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Study on the Characteristics of Near-shore Waves in the Typical Section of the Three Gorges Reservoir Area: A Case Study of Daning River by FU Xuhui, WANG Shuo, TANG Dingdan, SONG Yuanyuan, WANG Yunyou, ZHANG Yixin, YANG Ming

“…This paper conducts field observations of near-shore waves in the Dachang section of theDaning River Basin, a tributary of the Three Gorges Reservoir area, observes the heights of near-shorewind and ship waves at a water level of 160 m in the reservoir area by high-definitiondigital cameras and rulers, carries out the parameter test, Weibull distribution fitting andgoodness-of-fit test on more than 1 000 sets of measured wave height data by Minitab software, andanalyzes the spatial and frequency characteristics of near-shore waves. …”
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The Potential for Dams to Impact Lowland Meandering River Floodplain Geomorphology by Philip M. Marren, James R. Grove, J. Angus Webb, Michael J. Stewardson

“…Such effects will persist further downstream where tributary sediment inputs are relatively low and there is minimal buffering by alluvial sediment stores. …”
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The first data from non-commercial monitoring of the occurrence and range of river lamprey, Lampetra fluviatilis, in selected rivers in northern Poland by Kuczyński Tomasz

“…Only in one case, were river lamprey specimens recorded above a barrage with a fish pass in a tributary of the Rega River. In all other rivers, lamprey was recorded only at sampling sites below the first barrier. …”
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Un aménagement de berge antique sur l’Auron, pour la villa de Lazenay à Bourges (Cher) by Alain Ferdière, Emmanuel Marot

“…However, this riverbank development and the monumentalisation that it provides to this riverside villa also highlight the significant commercial role of the city of Bourges –the port on the Yèvre river according to the etymology of Avaricum–, in the centre of Gaul, the main boundary between the eastern and the western part of Gaul. the Yèvre river, of which the Auron river is a tributary, provides a connection with the Cher river and a connection between the Rhône-Saône axis and the lower Loire valley by avoiding the long detour of the Loire bend passing through Orléans/Cenabum.…”
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Unconventional site of pacing for failed balloon valvotomy of prosthetic tricuspid valve: a case report by Aditi Newaskar, Radha Nandipati, Somasekhar Ganta, Dharma Teja Dhulipalla, John Satish, Krishna Prasad Nevali

“…He underwent successful lead placement in posterolateral tributary of coronary sinus with acceptable parameters. …”
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Steppe Eagles in Bokey-Orda Nature Reserve and Ashiozek Sanctuary (Western Kazakhstan Region) in 2022–2023 by Ilya E. Smelyansky, Andrei A. Tomilenko, Anna N. Barashkova, Roman N. Aleksandrovich, Beibars Kitibaev, Alyona Koshkina

“…Together, they encompass the almost completely endorheic basin of the Ashiozek River along with its tributary water bodies – a complex of the salt lakes Aralsor, Batpak, Zhalpak, and Araltobe and a number of smaller such lakes. …”
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THE SALINITY ORIGIN OF THE SURFACE WATER IN THE WATERSHED DAM ZARDEZAS, EASTERN ALGERIA by Sami KEMOUKH, Ali ATHAMENA, Fouad DJAIZ, Halima BELALITE, Malika ATHAMENA

“…To address this issue, we received 45 samples during the 09 campaigns conducted during the period of low and high water of the year 2015-2016, distributed over five points, namely the tributary Oued Khemakhem, Oued Bouadjeb, Oued Safsaf, reservoir of the Zerdazas dam and the downstream of the Zerdazas dam. …”
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Exploitation of Documented Historical Floods for Achieving Better Flood Defense by Slobodan Kolaković, Julius Fabian, Sándor Kovács, Ljubomir Budinski, Matija Stipić

“…The investigated cases of flood superposition highlighted the impact of tributary Maros on flood mitigation along the Tisza River.…”
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DNA Barcoding Reveals Widespread Co-Occurrence of Other Chub Species in the Range of the Endemic Catalan Chub, <i>Squalius laietanus</i> by Núria Pérez-Bielsa, Sandra Heras, Alba Abras, Jose-Luis García-Marín

“…<i>Squalius laietanus</i> haplotypes were found in 68% of the fish caught. In a tributary of the Ebro River, all specimens (6%) were identified as the Tagus chub, <i>S. pyrenaicus</i>, another endemic Iberian chub species. …”
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The Distribution between the Dissolved and the Particulate Forms of 49 Metals across the Tigris River, Baghdad, Iraq by Samera Hussein Hamad, James Jay Schauer, Martin Merrill Shafer, Esam Abed Al-Raheem, Hyder Satar

“…The distribution of dissolved and particulate forms of 49 elements was investigated along transect of the Tigris River (one of the major rivers of the world) within Baghdad city and in its major tributary (Diyala River) from 11 to 28 July 2011. SF-ICP-MS was used to measure total and filterable elements at 17 locations along the Tigris River transect, two samples from the Diyala River, and in one sample from the confluence of the two rivers. …”
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The upper Neretva River discontinuum: gradients of taxonomic and functional diversity of benthic invertebrates in a wild Balkan river by Edurne Estévez, Davina Dietrich, Simone Sahler, Fabian Vassanelli, Sara Widera, Jan Martini, Wolfgang Wanek, Gabriel Singer

“…The taxonomic composition differed prominently between a tributary located upstream and the mainstem. However, we also found notable species turnover between the upper (headwater and midsection) reaches and the downstream reaches of the mainstem. …”
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Satellite Observations Reveal Declining Diatom Concentrations in the Three Gorges Reservoir: The Impacts of Dam Construction and Local Climate by Menglan Gan, Lei Feng, Jingan Shao, Li Feng, Yao Wang, Meiling Liu, Ling Wu, Botian Zhou

“…The results indicate that a synchronous diatom distribution is found between the upstream and downstream artificial lakes along the primary tributary in the Three Gorges Reservoir, and the causal relationships between the declining diatom trend and hydrological/meteorological drivers on the monthly and yearly scales are highlighted. …”
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Propagating speedups during quiescence escalate to the 2020–2021 surge of Sít’ Kusá, southeast Alaska by Jukes Liu, Ellyn M. Enderlin, Timothy C. Bartholomaus, Yoram Terleth, Thomas Dylan Mikesell, Flavien Beaud

“…Throughout quiescence, we observe order-of-magnitude speedups that propagate down-glacier seasonally from the glacier's upper northern tributary, above a steep icefall, into the reservoir zone for the surging portion of the glacier. …”
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Practice and Reflection on Joint Operation Scheme of Water Projects of Pearl River Basin:Flood Control in 2022 by HUANG Feng, HOU Guibing, LI Yuanyuan

“…The joint operation scheme of water projects compiled year by year in the Pearl River Basin comprehensively considers the current situation of flood control in the basin and the practical experience of dispatching and continuously expands the water projects included in the scope of joint operation,which optimizes and adjusts the existing dispatching modes of water projects.It has now become an important non-engineering measure for real-time flood control operation.In June 2022,the Pearl River Basin experienced a catastrophic flood,second only to the one in 1915.Under the guidance of the basin joint operation scheme of water projects,and based on the flood characteristics and flood control situation,the Longtan Reservoir plays a core role,jointly operated with various types of water projects such as the reservoirs in the main and tributary rivers,flood storage and detention areas,and floodgates.It coordinates the overall situation of the river basin and fully taps into the flood control and storage potentials of water projects,successfully dealing with the 2022 flood.This paper sorts out the application of the joint operation scheme of water projects during the flood period in 2022 and analyzes the application mode and dispatching effects of the joint operation of water projects under different water inflow situations.Then,the deficiencies of the flood control joint operation scheme of water projects exposed during the flood period are summarized.Discussions are made on the optimization space of flood control operation mode of water projects with the Longtan as the core.Finally,the countermeasures and suggestions for the further improvement of the joint operation scheme of the Pearl River Water Project are proposed.…”
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Selection of Reservoir Release Location Based on Fish Induced Velocity: A Case of Wudongde Hydropower Station on Jinsha River by Gao Yangyang, Chen Zhuo, Liu Ke, Wang Jie, Cheng Sheng, Zhang Xinyi, Chang Duozi, Feng Jingjie

“…The results show that the flow velocity in the reservoir area decreases significantly from the end of the reservoir to the front of the dam; the flow velocity in the main reservoir is more homogeneous in the direction of water depth, and the tributary estuaries present non-uniform distribution. …”
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Probabilistic Prediction of Maximum Tensile Loads in Soil Nails by Yongqiang Hu, Peiyuan Lin

“…The theoretical nail load is computed as the product of lateral active Earth pressure at nail depth and the nail tributary area. The correction factor is introduced to account for the difference between the theoretical and the measured nail loads. …”
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