Event detection in water distribution systems from multivariate water quality time series

L Perelman, J Arad, M Housh… - Environmental science & …, 2012 - ACS Publications
In this study, a general framework integrating a data-driven estimation model with sequential
probability updating is suggested for detecting quality faults in water distribution systems …

Mechanisms affecting water quality in an intermittent piped water supply

E Kumpel, KL Nelson - Environmental science & technology, 2014 - ACS Publications
Drinking water distribution systems throughout the world supply water intermittently, leaving
pipes without pressure between supply cycles. Understanding the multiple mechanisms that …

A dynamic thresholds scheme for contaminant event detection in water distribution systems

J Arad, M Housh, L Perelman, A Ostfeld - Water research, 2013 - Elsevier
In this study, a dynamic thresholds scheme is developed and demonstrated for
contamination event detection in water distribution systems. The developed methodology is …

Laboratory-scale simulation and real-time tracking of a microbial contamination event and subsequent shock-chlorination in drinking water

MD Besmer, JA Sigrist, R Props… - Frontiers in …, 2017 - frontiersin.org
Rapid contamination of drinking water in distribution and storage systems can occur due to
pressure drop, backflow, cross-connections, accidents, and bio-terrorism. Small volumes of …

Water characterization and early contamination detection in highly varying stochastic background water, based on Machine Learning methodology for processing real …

TA Arnon, S Ezra, B Fishbain - Water research, 2019 - Elsevier
Water is a resource that affects every aspect of life. Intentional (terrorist or wartime events) or
accidental water contamination events could have a tremendous impact on public health …

Detection of water-quality contamination events based on multi-sensor fusion using an extented Dempster–Shafer method

D Hou, H He, P Huang, G Zhang… - … Science and Technology, 2013 - iopscience.iop.org
This study presents a method for detecting contamination events of sources of drinking water
based on the Dempster–Shafer (DS) evidence theory. The detection method has the …

Testing contamination source identification methods for water distribution networks

A Seth, KA Klise, JD Siirola, T Haxton… - Journal of Water …, 2016 - ascelibrary.org
In the event of contamination in a water distribution network (WDN), source identification (SI)
methods that analyze sensor data can be used to identify the source location (s). Knowledge …

A coupled classification–evolutionary optimization model for contamination event detection in water distribution systems

N Oliker, A Ostfeld - Water research, 2014 - Elsevier
This study describes a decision support system, alerts for contamination events in water
distribution systems. The developed model comprises a weighted support vector machine …

Contamination event detection in water distribution systems using a model-based approach

DG Eliades, TP Lambrou, CG Panayiotou… - Procedia …, 2014 - Elsevier
This work describes a model-based approach for contamination event detection in water
distribution systems using chlorine mea-surements. The proposed method considers the …

Optimal sensor placement for detecting organophosphate intrusions into water distribution systems

Z Ohar, O Lahav, A Ostfeld - Water research, 2015 - Elsevier
Placement of water quality sensors in a water distribution system is a common approach for
minimizing contamination intrusion risks. This study incorporates detailed chemistry of …