搜索结果: 151-165 共查到“知识库 水文物理学”相关记录452条 . 查询时间(4.141 秒)
Calibration of nearshore process models ATitlemdash;application of a hybrid genetic algorithm
Calibration nearshore process models ATitlemdash hybrid genetic algorithm
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2009/12/4
The physically realistic functions implemented in nearshore process models are governed by parameters that usually do not represent measurable attributes of the nearshore and, therefore, need to be de...
A spatial multi-objective decision-making under uncertainty for water resources management
spatial multi-objective decision-making uncertainty water resources management
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2009/12/4
Water resources decision-making is a spatial problem. Topographical features of the region, location of water resources management infrastructure, interaction between the water resources system and ot...
A methodology for the design of quasi-optimal monitoring networks for lakes and reservoirs
methodology design quasi-optimal monitoring networks lakes reservoirs
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2009/12/4
A methodology for designing data colection networks in lakes and reservoirs is presented. The methodology is supported on numerical models, geostatistics and evolutionary strategies. The authors defin...
Towards a reasoned 1D river model calibration
reasoned 1D river model calibration
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2009/12/4
Model calibration remains a critical step in numerical modelling. After many attempts to automate this task in water-related domains, questions about the actual need for calibrating physics-based mode...
A hybrid reasoning system for supporting estuary modelling
Ahybrid reasoning system estuary modelling
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2009/12/4
In this paper the development of a Case-Based reasoning system for Estuarine Modelling (CBEM) is presented. The aim of the constructed CBEM system is to facilitate the utilisation of complex modelling...
A 3D CFD model analysis of the hydraulics of an outfall structure at a power plant
3D CFD model analysis hydraulics outfall structure power plant
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2009/12/4
A practical application of a three-dimensional (3D) computational fluid dynamics (CFD) model to an outfall structure of a power plant is presented in this paper. The outfall structure, used for discha...
Using Bayesian networks to model watershed management decisions:an East Canyon Creek case study
Bayesian networks watershed management decisions East Canyon Creek
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2009/12/4
An approach to developing and using Bayesian networks to model watershed management decisions is presented with a case study application to phosphorus management in the East Canyon watershed in Northe...
基于条件异方差分析的水文时序模型及其应用
时间序列分解 条件异方差模型 灰色BX数据生成法 灰色Markov预测模型 鲇鱼山水文站
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2010/1/19
针对条件异方差现象在水文过程的时序研究中常被忽略的情况,建立了水文过程时间序列分析和预测模型. 首先, 利用CensusX12分解水文时序,由其得到的周期项与趋势项分别建立相应的条件异方差模型；其次,对于分解序列后得到的残差项,建立基于BX数据生成的灰色Markov预测模型; 再次, 将三个模型进行耦合,编制了算法流程,由此提出了一种基于条件异方差的水文时序分析与预测模型;最后以河南省淮河流域的鲇...
Estimations of the nonlinear properties of the internal wave field off the Israel coast
nonlinear properties internal wave field Israel coast
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2009/11/16
The measurements of the vertical structure of hydrological fields and internal waves on the Levantine Sea's polygon in the Mediterranean, obtained in the 27-th cruise of the RV "Professor Kolesnikov" ...
Limits and characteristics of the multifractal behaviour of a high-resolution rainfall time series
multifractal behaviour high-resolution rainfall time series
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2009/11/16
The multifractal properties of a 2-year time series of 8-min rainfall intensity observations are investigated. The empirical probability distribution function suggests a hyperbolic intermittency with ...
Searching for chaotic deterministic features in laboratory water surface waves
chaotic deterministic features water surface waves
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2009/11/12
The dynamic evolution of laboratory water surface waves has been studied within the framework of dynamical systems with the aim to identify stochastic or deterministic nonlinear features. Three differ...
A deterministic width function model
deterministic width function model
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2009/11/12
Use of a deterministic fractal-multifractal (FM) geometric method to model width functions of natural river networks, as derived distributions of simple multifractal measures via fractal interpolating...
The Soverato flood in Southern Italy:performance of global and limited-area ensemble forecasts
Soverato flood Southern Italy global and limited-area ensemble forecasts
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2009/11/12
The predictability of the flood event affecting Soverato (Southern Italy) in September 2000 is investigated by considering three different configurations of ECMWF ensemble: the operational Ensemble Pr...
Streamflow disaggregation:a nonlinear deterministic approach
Streamflow disaggregation nonlinear deterministic approach
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2009/11/11
This study introduces a nonlinear deterministic approach for streamflow disaggregation. According to this approach, the streamflow transformation process from one scale to another is treated as a nonl...
On the predictability of ice avalanches
predictability ice avalanches
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2009/11/11
The velocity of unstable large ice masses from hanging glaciers increases as a power-law function of time prior to failure. This characteristic acceleration presents a finite-time singularity at the t...