A GIS-based tool for distribution system data integration and analysis
Author(s) -
Martin Trépanier,
Vincent Gauthier,
MarieClaude Besner,
Miche`le Pre ́vost
Publication year - 2006
Publication title -
journal of hydroinformatics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.654
H-Index - 50
eISSN - 1465-1734
pISSN - 1464-7141
DOI - 10.2166/jh.2006.004
Subject(s) - geographic information system , water quality , sampling (signal processing) , computer science , distribution (mathematics) , key (lock) , software , quality (philosophy) , data quality , data mining , data integration , data science , data collection , systems engineering , engineering , remote sensing , geography , statistics , telecommunications , operations management , mathematics , ecology , mathematical analysis , philosophy , metric (unit) , computer security , epistemology , detector , biology , programming language
The causes of water quality problems in distribution systems are difficult to identify because they can be related to numerous sources. A tool has been developed to integrate and analyse water distribution system data with the help of geographical information system (GIS) technologies. This approach uses a flexible software architecture to gather data on distribution system structural elements, water quality sampling and especially distribution system events, all of which can be key to explaining water quality problems. The tool has been applied to five water utilities in North America and Europe, all with different data formats and data gathering practices. The approach was successful in explaining about 40% of positive coliform samples at the Laval (Quebec) utility. It also led to better data quality and responsiveness at the utilities.
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