搜索结果: 1-15 共查到“水文测量 forecasting”相关记录21条 . 查询时间(0.11 秒)
An experiment on the evolution of an ensemble of neural networks for streamflow forecasting
experiment evolution ensemble neural networks streamflow forecasting
2010/4/7
We present an experiment on fifty multilayer perceptrons trained for streamflow forecasting on three watersheds using bootstrapped input series. This type of neural network is common in hydrology and ...
Improved non-linear transfer function and neural network methods of flow routing for real-time forecasting
non-linear transfer function neural network methods flow routing real-time forecasting
2009/12/4
Data-based methods of flow forecasting are becoming increasingly popular due to their rapid development times, minimum information requirements, and ease of real-time implementation, with transfer fun...
Rainfall and runoff forecasting with SSA–SVM approach
Rainfall and runoff forecasting SSA–SVM approach
2009/12/4
Real time operation studies such as reservoir operation, flood forecasting, etc., necessitates good forecasts of the associated hydrologic variable(s). A significant improvement in such forecasting ca...
Neural network rainfall-runoff forecasting based on continuous resampling
Neural network rainfall-runoff forecasting continuous resampling
2009/12/4
Most neural network hydrological modelling has used split-sample validation to ensure good out-of-sample generalisation and thus safeguard each potential solution against the danger of overfitting. Ho...
EC-SVM approach for real-time hydrologic forecasting
EC-SVM approach real-time hydrologic forecasting
2009/12/4
This study demonstrates a combined application of chaos theory and support vector machine (SVM) in the analysis of chaotic time series with a very large sample data record. A large data record is ofte...
Efficient implementation of inverse approach for forecasting hydrological time series using micro GA
Efficient implementation inverse approach hydrological time series micro GA
2009/12/4
This paper implements the inverse approach for forecasting hydrological time series in an efficient way using a micro-GA (mGA) search engine. The inverse approach is based on chaos theory and it invol...
Combination of a Conceptual Model and an Autoregressive Error Model for Improving Short Time Forecasting
Combination Conceptual Model Autoregressive Error Model
2009/10/28
An autoregressive error model has been tested on the residuals of the conceptual
HBV-model for the EmAn catchment. The autoregresslve model gives
considerable improvements for real shorttime forecas...
Development and Application of a Storage Model for River Flow Forecasting
Development Application Storage Model River Flow Forecasting
2009/10/28
A lumped sequential river flow forecasting model is outlined. It is shown to be
flexible in both temporal and spatial scales, thereby allowing simulations to be
undertaken for a wide range of practi...
A Mathematical Modelling System for Flood Forecasting
Mathematical Modelling System Flood Forecasting
2009/10/28
In this paper comprehensive simulation models are presented which can forecast
the streamflow in real time at various points in river systems and provide a
tool for identifying improvements of the r...
On Soil Retention Curves and Hydrological Forecasting in Ungauged Catchments
Soil Retention Curves Hydrological Forecasting Ungauged Catchments
2009/10/28
In many physically based hydrological models, there is the requirement to
specify the suction-moisture curve of the soil system. This paper shows that
where the suction moisture curve is known, then...
Operational Spring Time Forecasting Difficulties and Improvements
Operational Time Forecasting Difficulties Improvements
2009/10/27
A modified version of HBV-3 model has been used since 1981 for operational
spring-time forecasting in Finland. This model is ready now for eleven river
basins ranging from 500 to 30,000 km2. From th...
Forecasting Watercooling in the Kattegat,the Öresund,the Belt Sea and the Arkona Basin
Watercooling Kattegat Ö resund Belt Sea Arkona Basin
2009/10/27
Some problems associated with forecasting water cooling in the entrance to the
Baltic Sea are examined, using a diagnostic study from the severe ice winter of
1986187 as a starting point. In the stu...
An Operational Forecasting Snowmelt Model with Objective Calibration
Operational Forecasting Snowmelt Model Objective Calibration
2009/10/26
After a review of existing operational models for daily snowmelt forecasting,
an operational oriented one has been developed in order to provide a simple
tool for one-to-three-day ahead flow managem...
Validation and Intercomparison of Different Updating Procedures for Real-Time Forecasting
Validation and Intercomparison Updating Procedures Real-Time Forecasting
2009/10/23
The paper presents a classification and a review of the updating procedures currently
used in real-time flood fo~ecastingm odelling. On the basis of results from
the WMO project 'Simulated Real-Time...
Adaptive Use of a Conceptual Model for Real Time Flood Forecasting
Adaptive Use Conceptual Model Real Time Flood Forecasting
2009/10/23
This paper investigates the adaptive use of a simple conceptual lumped rainfallrunoff
model based on a Probability Distributed Model complemented with a
Geomorphological Unit Hydrograph. Three diffe...