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Formual of Transport Capacity for Suspended Sediment Based on Turbulence Model
Published 2005-01-01Get full text
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Application of Reinforced Earth in Flood Control Embankments in Chishui and Rongjiang Urban Districts
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3513
A ocupação e o uso das terras no sistema hidrográfico do rio Arauá Sergipe/Brasil: Histórico, dinâmica e espacialização
Published 2021-03-01“…This study aimed to analyze the evolution of land use and occupation in the Arauá River hydrographic system, from 2004 to 2014. The investigation was materialized methodologically with bibliographic survey, research and tabulation of secondary data, fieldwork and mapping of classes land use and occupation. …”
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3514
Prediction of Landslide Displacement Based on GreyRelational Analysis and VMD-SES-BP Model
Published 2021-01-01“…Aiming at the “stepped” landslide displacement in the Three Gorges area,this paper proposes a new landslide displacement time series prediction model,namely VMD-SES-BP prediction model by combining variational mode decomposition (VMD),second exponential smoothing (SES),and BP neural network (BPNN);conducts the VMD of the GPS monitoring displacement data of landslide at Baishuihe River of the Three Gorges through this model to obtain the trend component and other sub-sequence components;makes rolling predictions of trend components by the SES,determines the influencing factors of other displacement components of the landslide through gray relational analysis (GRA),and learns and predicts by considering it as the training sample of BPNN.Comparing the prediction results of each component with the true value,the average relative error of prediction is 0.78%,the mean square error is 3.14 cm,and the correlation coefficient is 0.986.The experimental results show that the model is well applicable to the prediction of “stepped” landslide displacement,with high prediction accuracy,which provides a certain reference value for landslide displacement prediction.…”
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Larix sibirica Ledeb. f. candelabriformis L. V. Orlova, V. V. Byalt et G. A. Firsov, forma nova – a new form of Siberian larch from St. Petersburg
Published 2024-12-01“…Firsov</strong> was found in plantings on the Smolenka river embankment at St. Petersburg. Brief information on the history of introduction of <em>Larix sibirica</em> Ledeb. at St. …”
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Infraestrutura de mobilidade urbana e sua articulação com a drenagem sustentável
Published 2019-12-01“…A total of 218,816.77 m² of structure was quantified for non-motorized mobility in arterial roads, collectors and circulation areas in parks of the lower section of the river basin, consisting mainly of cementitious base materials. …”
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Working Framework and Connotation of Building Block Methodology for Environmental Flow Assessment
Published 2022-01-01“…,building block methodology (BBM),is elaborately introduced for evaluating environmental flow.According to the scientific basis and actual needs,this method accurately divides the research objects and influencing factors in the whole study area into different “blocks” and then explores the relationship between each “block” of influencing factors and each research object.Finally,a reasonable environmental flow scheme is drawn up for the whole study area.Its working steps are mainly divided into three parts:Before the seminar,experts collect the basic data;during the seminar,experts from various disciplines explain the collected data and reach a consensus on the recommended environmental flow;after the seminar,they develop the flow modification scheme and the monitoring plan.With the application examples of Sri Ram Sagar Reservoir in India and Daleeleva River in Norway,we analyze the characteristics and shortcomings of this method.It is revealed that this method can better ensure the ecological value and service value of rivers in the process of determining environmental flow and can provide a reference for its application in China.…”
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Ensemble Hydrometeorological Forecasts Using WRF Hourly QPF and TopModel for a Middle Watershed
Published 2014-01-01“…Quantitative precipitation forecasts (QPFs) were obtained from ensembles of the weather and research forecasting (WRF) model for the Iguaçu river watershed (IRW) in southern Brazil. Thirty-two rainfall events between 2005 and 2010 were simulated with ten configurations of WRF. …”
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Untapping the potential of Indigenous water jurisdiction: perspectives from Whanganui and Aotearoa New Zealand
Published 2025-01-01“…In this article we use a sociolegal method to draw out globally relevant lessons from the groundbreaking Whanganui River model about the potential for Western or settler-state law to support and uphold Indigenous rights and relationships in water. …”
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