Articles

Short-term water demand forecasting using hybrid supervised and unsupervised machine learning model

Regression Tree (RT) forecasting models are widely used in short-term demand forecasting. Likewise, Self-Organizing Maps (SOM) models are known for their ability to cluster and organize unlabeled big data. Her...

Authors: Mo’tamad Bata, Rupp Carriveau and David S.-K. Ting

Analysis of river bed variation using SSARR and RMA-2 models

Future changes in river bed were predicted under the assumption that flow velocity of past and changes in flow rate at upstream river due to construction of large-scale artificial structures downstream occur i...

Authors: Ju Ha Hwang, Seung Jin Maeng, Hyung San Kim and Seung Wook Lee

A design and implementation of low-power ultrasonic water meter

Smart water meter, which incorporates IoT (Internet of Things) technology, is receiving high attention due to recent development of information and communication technology. If traditional mechanical water met...

Authors: Youn-Sik Hong and Chul-Ho Lee

Leak detection in water distribution networks: an introductory overview

Leaks in resource transmission pipelines is a growing concern for the water transmission industry. This creates a need to prevent the threat of leaks and minimize their damages through extensive research in le...

Authors: Samer El-Zahab and Tarek Zayed

Experimental and numerical investigations of primary flow patterns and mixing in laboratory meandering channel

Considering fundamental hydraulics, fluid dynamics, and experimental analysis should be analyzed simultaneously with mathematical methods due to the effects of hydraulic properties such as meandering form, sed...

Authors: Sung Won Park and Jungkyu Ahn

Calibrating and validating a combined accumulation and mobilisation model for water distribution system discolouration using particle swarm optimisation

A discolouration concept is proposed describing simultaneous pipe wall material accumulation and mobilisation processes that define discolouration in drinking water distribution systems, one of the biggest cau...

Authors: William R. Furnass, Stephen R. Mounce, Stewart Husband, Richard P. Collins and Joby B. Boxall

Overcoming data scarcity in flood hazard assessment using remote sensing and artificial neural network

Many urban cities in Southeast Asia are vulnerable to climate change. However, these cities are unable to take effective countermeasures to address vulnerabilities and adaptation due to insufficient data for f...

Authors: Dong-Eon Kim, Philippe Gourbesville and Shie-Yui Liong

Adaptation of multiple regression analysis to identify effective factors of water losses in water distribution systems

It is important to manage leaks in water distribution systems by smart water technologies. In order to reduce the water loss, researches on the main factors of water pipe network affecting non-revenue water (N...

Authors: Dongwoo Jang, Gyewoon Choi and Hyoseon Park

An adaptive model for the autonomous monitoring and management of water end use

Most pattern classification systems are usually developed based on the training of historical data, and as a result, the performance of these models relies heavily on the amount of collected information. Howev...

Authors: Khoi A. Nguyen, Rodney A. Stewart, Hong Zhang and Oz Sahin

Do prepaid water meters improve the quality of water service delivery? The case of Nakuru, Kenya

Conventional water metering has a tendency of being unreliable, inaccurate, and a source of dispute and disquiet among customers, and hence it is considered to be one primary reason why water service providers...

Authors: Robert Hanjahanja and Christian Omuto

Physical-based rainfall-triggered shallow landslide forecasting

This study demonstrates the applications of two physical-based early warning methods for rainfall-induced shallow landslide and compare their relative performance. One method is rainfall threshold-based method...

Authors: Yung-Chia Hsu, Yin-Lung Chang, Che-Hao Chang, Jinn-Chuang Yang and Yeou-Koung Tung

Accelerating our current momentum toward smart water

Authors: Joong Hoon Kim

Cyber-physical-system-based smart water system to prevent flood hazards

Extreme weather and climate events such as super typhoons and unprecedented recorded high intensity rainfall events have increased in recent years due to climate change. Such extreme weather events generate fl...

Authors: Tsun-Hua Yang, Sheng-Chi Yang, Hong-Ming Kao, Ming-Chang Wu and Hao-Ming Hsu

Collective thinking approach for improving leak detection systems

Water mains, especially old pipelines, are consistently threatened by the formation of leaks. Leaks inherit increased direct and indirect costs and impacts on various levels such as the economic field and the ...

Authors: Samer El-Zahab, Ahmed Asaad, Eslam Mohammed Abdelkader and Tarek Zayed

Industrial water demand for agro-processing and beverage industries in Rwanda

Water play important role in industrial operation of food processing, such ingredient of the product, operation of equipment such as boilers, cooling towers, cleaning purposes to ensure a sufficient level of h...

Authors: Egide Munderere, Omar Munyaneza and Umaru Garba Wali

Internet of things enabled real time water quality monitoring system

Smart solutions for water quality monitoring are gaining importance with advancement in communication technology. This paper presents a detailed overview of recent works carried out in the field of smart water...

Authors: S. Geetha and S. Gouthami

Managing the water distribution network with a Smart Water Grid

In Singapore, the implementation of a Smart Water Grid system supports the Public Utilities Board (PUB)’s mission to supply good water 24/7 to its customers. With sensors and analytic tools deployed island-wid...

Authors:

SWMI: new paradigm of water resources management for SDGs

The seriousness of water related issues is increasing due to regional imbalances of water use and damages from water related disasters. Various technologies are being applied to resolve water related issues. R...

Authors: Gye Woon Choi, Koo Yol Chong, Sae Jin Kim and Tae Sang Ryu

A storm surge forecasting system for the Singapore Strait

Being a small low-lying island nation, Singapore has a high density population, recreational and industrial facilities along the coast. It is thus highly vulnerable to weather extremes including storm surges. ...

Authors: Quang-Hung Luu, Pavel Tkalich, Heng Kek Choo, Jiqin Wang and Bijoy Thompson

Why smart water journal?

Authors: Philippe Gourbesville