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river flow data analysis

A hybrid model of self organizing maps and least square support vector machine for river flow forecasting

A hybrid model of self organizing maps and least square support vector machine for river flow forecasting

... is given to the task of selecting appropriate model inputs. Many papers reviewed failed to describe the input determi- nation methodology used, and consequently raised doubts about the optimality of the output obtained ...

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Effect of Record Length on Prediction of Extreme Events Using River Flow Data

Effect of Record Length on Prediction of Extreme Events Using River Flow Data

... the analysis of past records. With often little data available, predictions can become highly variable with an unknown level of ...more data becomes available, predictions usually become more robust ...

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Phenological response of vegetation to upstream river flow in the Heihe Rive basin by time series analysis of MODIS data

Phenological response of vegetation to upstream river flow in the Heihe Rive basin by time series analysis of MODIS data

... Heihe River basin in response to water availability, including both local rainfall and water flow from the upper and mid reaches, with particular atten- tion to the significant inter-annual and intra-annual ...

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Analysis of Flow Estimation Methods for Small Hydropower Schemes in Bua River

Analysis of Flow Estimation Methods for Small Hydropower Schemes in Bua River

... or river otherwise the project would be a failure or prove to be both economically and technologically ...a river specifically the flow regime of a river or catchment is a Flow Duration ...

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Precipitation delivery trajectories associated with extreme river flow for the Waitaki River, New Zealand

Precipitation delivery trajectories associated with extreme river flow for the Waitaki River, New Zealand

... the analysis involved determining the backwards trajectory of the air parcel over the approx- imate location of Lake Pukaki at the time of the high in- flow event, and so provides further detail of the ...

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GIS as a Tool in Analyzing Flood Occurrence and Its Impact on Ikere Ekiti, Ekiti State Nigeria

GIS as a Tool in Analyzing Flood Occurrence and Its Impact on Ikere Ekiti, Ekiti State Nigeria

... any flow of water, which overflows the natural or artificial banks of a body of ...ondary data, through a questionnaire, geographic information system and remote ...major river (River Osun) ...

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Analysis of trends of low flow in river stations in eastern Slovakia

Analysis of trends of low flow in river stations in eastern Slovakia

... the data fi le may be determined ...the data in the fi le between the extreme values, minimum and ...of data, and in mathematical statistic this is called a ...

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Temporal flow variability in Johor river based on wavelet analysis

Temporal flow variability in Johor river based on wavelet analysis

... a river at any one time which is formed from an overland flows combined ...together. River discharge is defined as the volume of water flowing past a given point during a given period of ...series ...

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River flow forecasting with artificial neural networks using satellite observed precipitation pre processed with flow length and travel time information: case study of the Ganges river basin

River flow forecasting with artificial neural networks using satellite observed precipitation pre processed with flow length and travel time information: case study of the Ganges river basin

... of flow length and travel time as a pre-processing step for incorporating spa- tial precipitation information into Artificial Neural Network (ANN) models used for river flow ...the data ...

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Ideal point error for model assessment in data driven river flow forecasting

Ideal point error for model assessment in data driven river flow forecasting

... IPE is standardisation of measured error statistics relative to some agreed set of end markers: the selection of a suitable point of reference is a key factor as well as the constituent error metrics. Originally, this ...

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Determining the Chaotic Dynamics of Hydrological Data in Flood Prone Area

Determining the Chaotic Dynamics of Hydrological Data in Flood Prone Area

... series data such as rainfall, water level and river ...the analysis. Rainfall, water level and river flow data in this area were collected to be analysed using the Cao method to ...

6

Flood Frequency Analysis of Chenab River for Predicting Peak Flows during Late Monsoon Period

Flood Frequency Analysis of Chenab River for Predicting Peak Flows during Late Monsoon Period

... frequency analysis. Flood frequency analysis was used to predict design floods for sites along a ...peak flow of 35 years from 1980 to ...peak flow dis- charge data to calculate ...

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Anthropogenic and Climatic Causality of Changes in the Hydrological Regime of the Dnieper River

Anthropogenic and Climatic Causality of Changes in the Hydrological Regime of the Dnieper River

... retrospective analysis of the flow change was carried out using multivariate statistics and time series analysis ...annual flow, the following variations thereof were used: normal, beta, ...

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Global scale analysis of river flow alterations due to water withdrawals and reservoirs

Global scale analysis of river flow alterations due to water withdrawals and reservoirs

... outflow data were obtained from Hanasaki et ...of data that are mostly located in USA and ...of analysis, wa- ter use for 2002 and not the mostly lower values during the observation years were taken ...

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The effect of precipitation data and parameter estimation on peak flow simulation in the Jinhua river basin

The effect of precipitation data and parameter estimation on peak flow simulation in the Jinhua river basin

... extensive data input. The gathering of the data is a difficult job, especially with a high ...research data from 24 different meteorological stations was available for varying time ...usable ...

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Metal contamination budget at the river basin scale: an original Flux Flow Analysis (F2A) for the Seine River

Metal contamination budget at the river basin scale: an original Flux Flow Analysis (F2A) for the Seine River

... (e.g. River outputs T4, ...of river metal contamination (Gromaire et ...over- flow into the river, resulting in spikes of suspended matter contamination within the Parisian reach; (ii) during ...

11

Flow and salinity in the Murray river : Study of flow and salt loads in the Murray River of the Murray Darling Basin

Flow and salinity in the Murray river : Study of flow and salt loads in the Murray River of the Murray Darling Basin

... Murray River is the main river in this ...catchment data and processes in the Murray-Darling Basin (Fitzpatrick et ...and flow data from sources such as tributaries, anabranches, salt ...

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Analysis of debris flow Kuranji River in Padang city using rainfall data, remote sensing and geographic information system

Analysis of debris flow Kuranji River in Padang city using rainfall data, remote sensing and geographic information system

... critical analysis [4]. In GIS there are two kinds o f data, spatial data and attribute ...Spatial data is data about geographic objects or elements that can be identified and have ...

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Numerical Analysis of Effect of Bridge on Inundation Flow in the Kagetsu River on July 2017

Numerical Analysis of Effect of Bridge on Inundation Flow in the Kagetsu River on July 2017

... inundation flow analysis of central area of Hita city was ...This analysis was conducted in Cartesian coordination. The flow discharge of the Kagetsu River was calculated from the ...

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Model assimilation in river flow data processing : estimating dominant spatial scales in cross sectional velocity data

Model assimilation in river flow data processing : estimating dominant spatial scales in cross sectional velocity data

... this analysis is provided in Appendix ...normalised river width and water ...spectral analysis and magnitudes of velocity can for that reason be assessed near the actual measured locations as ...

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