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Geoinformatic Intelligence Methodologies for Drought Spatiotemporal Variability in Greece

Kanellou, Efrosyni; Spyropoulos, Nicos; Dalezios, Nicolas - In: Water Resources Management 26 (2012) 5, pp. 1089-1106

goal is to use the PCA + clustering method to transform the RDI temporal data (1982–2001) and cluster the different regions … indices followed by Clustering that was based on certain eigenchannels resulted from the previous PCA analysis. Both methods …

Persistent link: https://www.econbiz.de/10010794247

Effect of Global Warming on Intensity and Frequency Curves of Precipitation, Case Study of Northwestern Iran

Roshan, Gholamreza; Ghanghermeh, AbdolAzim; Nasrabadi, … - In: Water Resources Management 27 (2013) 5, pp. 1563-1579

such natural hazards in northwestern Iran is considered in this study through clustering the precipitation regime. To … downscaled using the LARS-WG model. The method for comparing precipitations was done based on clustering in the form of 5 …

Persistent link: https://www.econbiz.de/10010997820

Identification of Homogeneous Rainfall Regimes in Northeast Region of India using Fuzzy Cluster Analysis

Goyal, Manish; Gupta, Vivek - In: Water Resources Management 28 (2014) 13, pp. 4491-4511

clustering algorithm (FCM). A comparison is also performed using K- Mean clustering algorithm. Additionally, regional homogeneity …

Persistent link: https://www.econbiz.de/10010998139

Prediction of Ground Water Levels in the Uplands of a Tropical Coastal Riparian Wetland using Artificial Neural Networks

Karthikeyan, L.; Kumar, D.; Graillot, Didier; Gaur, Shishir - In: Water Resources Management 27 (2013) 3, pp. 871-883

Artificial Neural Networks (ANNs) have been found to be a robust tool to model many non-linear hydrological processes. The present study aims at evaluating the performance of ANN in simulating and predicting ground water levels in the uplands of a tropical coastal riparian wetland. The study...

Persistent link: https://www.econbiz.de/10010794059

Prediction of Urmia Lake Water-Level Fluctuations by Using Analytical, Linear Statistic and Intelligent Methods

Kakahaji, Hossein; Banadaki, Hamed; Kakahaji, Abbas; … - In: Water Resources Management 27 (2013) 13, pp. 4469-4492

exogenous input (ARX) and Box-Jenkins (BJ) models are employed with the same mentioned inputs for prediction purpose. In … applied to investigate capability of intelligent nonlinear methods for lake level changes prediction. All models performances …

Persistent link: https://www.econbiz.de/10010794070

Water Resources in the GCC Countries: An Overview

Al-Rashed, Muhammad; Sherif, Mohsen - In: Water Resources Management 14 (2000) 1, pp. 59-75

One of the critical problems that hinders thesustainable development in the Gulf CooperationCouncil (GCC) countries is the lack of renewable waterresources. Rainfall in the Arabian Peninsula is scarceand infrequent. Over-exploitation of fossilgroundwater resources, mostly to meet the...

Persistent link: https://www.econbiz.de/10010794078

Estimation of Scour Downstream of a Ski-Jump Bucket Using Support Vector and M5 Model Tree

Goyal, Manish; Ojha, C. - In: Water Resources Management 25 (2011) 9, pp. 2177-2195

Estimation of scour downstream of a ski-jump bucket has been a topic of research among hydraulic engineers. For estimation of scour downstream of ski jump bucket, several empirical models are in use. In recent years, there has been emphasis to develop models which are capable of producing scour...

Persistent link: https://www.econbiz.de/10010794090

Two-Stage Pumping Control Model for Flood Mitigation in Inundated Urban Drainage Basins

Wei, Chih-Chiang; Hsu, Nien-Sheng; Huang, Chien-Lin - In: Water Resources Management 28 (2014) 2, pp. 425-444

more favorable performance than the traditional experienced method did. Overall, the proposed two-stage prediction model …

Persistent link: https://www.econbiz.de/10010794606

The Use of the Recession Index as an Indicator for Streamflow Recovery After a Multi-Year Drought

Kienzle, Stefan - In: Water Resources Management 20 (2006) 6, pp. 991-1006

prolonged drought and allows the medium term prediction of runoff behaviour for water resources management. The method has been …

Persistent link: https://www.econbiz.de/10010794670

Estimation of the Velocity Parameter of the Geomorphologic Instantaneous Unit Hydrograph

Al-Wagdany, A.; Rao, A. - In: Water Resources Management 11 (1997) 1, pp. 1-16

The problem of estimation of the velocity parameter in the exponential distribution geomorphological instantaneous unit hydrograph (ED-GIUH) is investigated in this study. The main difficulty in applying the ED-GIUH model is the estimation of this parameter. In the present study, the ED-GIUH...

Persistent link: https://www.econbiz.de/10010794732