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Title: Water leakage detection using remote sensing, field spectroscopy and GIS in semiarid areas of Cyprus
Authors: Agapiou, Athos 
Alexakis, Dimitrios 
Themistocleous, Kyriacos 
Hadjimitsis, Diofantos G. 
Keywords: Water leaks;Remote sensing;Water management;Water losses;NDVI;QuickBird;SPOT 5
Category: Environmental Engineering
Field: Engineering and Technology
Issue Date: 2016
Publisher: Taylor & Francis, Ltd
Source: Urban Water Journal, 2016, Volume 13, Issue 3, 221–231
Abstract: Water pipelines need to be systematically monitored in order to minimize losses from possible leakages. In this paper, remote sensing techniques have been exploited in semiarid areas of Cyprus. In addition, ground spectroradiometer has been used to define the leakage’s threshold values. The data were analysed in a GIS environment. Two known leakage problems have been examined. In the first case study, a high resolution QuickBird image was used for the detection of the exact point of leakage. In the second case study a multi-temporal analysis was performed using SPOT images. This methodology was able to record 10 possible leakage points along the pipeline. Throughout the 25 km length of the pipeline, the in-situ observations were minimized to only 0.4%. In both studies the Normalised Difference Vegetation Index (NDVI) was applied. The final outcomes highlight the contribution of remote sensing to the early detection of leakages especially in difficult and near inaccessible areas.
ISSN: 1573-062X
1744-9006 (Online)
DOI: 10.1080/1573062X.2014.975726
Rights: Taylor & Francis
Type: Article
Appears in Collections:Άρθρα/Articles

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