Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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December 17, 2018
Severn Trent Water Enlists Earth-i to Identify and Combat Water Leaks Using Sophisticated Data Analytics from Satellite Imagery

As part of its ongoing strategy to use new technologies to help identify and fix water leaks, Severn Trent has recently completed a successful trial with Earth-i, a New Space pioneer specialising in data analytics and insights.

During the UK’s hot summer, Earth-i conducted analysis on imagery captured by British built satellites orbiting at 650km above the Earth. Images were taken of land across Severn Trent’s supply area which stretches from the Bristol Channel to the Humber all the way to mid-Wales and the East Midlands, an area of approximately 20,000 km2.

Earth-i processed and analysed the 80cm very high resolution imagery using a technique known as Normalised Difference Vegetation Index (NDVI) analysis, cross-referencing against the location of the water pipelines. The first identifying factor during the dry summer was where grass and vegetation was unusually vigorous or healthy in contrast to the prevailing conditions in the area.

This is the first time that Severn Trent has commissioned the use of imagery analysis with very high-resolution optical satellites to help identify leaks in a range of circumstances, including leaks that might be hidden far underground or in more remote areas.

Water companies are now using ever more innovative methods to reduce the amount of water lost through pipe leaks. Earth-i’s data analytics provides insights that help water companies achieve their leak reduction targets.

Paul Majmader, Commercial Director at Earth-i, said “Working closely on this trial with Severn Trent has produced excellent results. There has been significant interest across the water industry where we are actively engaging in numerous projects to help other companies quickly detect leaks in the pipeline network. These projects benefit not only the water companies but all of us as water consumers. It’s a great demonstration of the sort of everyday challenges that imagery from space can help tackle.”

About Earth-i

Earth-i provides satellite imagery, data analysis and insight services from a range of Earth Observation (EO) satellites, including the DMC3 and SuperView Constellations, KOMPSAT series of satellites, Planet’s SkySat constellation and Earth-i’s own VividX2 high definition colour video satellite.

It provides innovative services that help organisations use high-quality, timely images from space to improve investment and trading decisions, monitor and track their assets more cost effectively, observe changes or activities in critical locations, and predict future events with more certainty.

Earth-i has a wide range of customers globally including national and local governments, a multitude of specialist geospatial companies and other commercial organisations.

The launch of Earth-i’s own forthcoming video satellite constellation, Vivid-i, is a natural evolution of Earth-i’s existing and well-regarded business which will help it to meet the rapidly growing demand for high-resolution EO data, whilst pioneering high-frame rate image acquisition, ultra-high-definition colour video, and very high frequency re-visits.

Earth-i is headquartered in Surrey, UK, on Europe’s largest academic space campus near to many other UK space-related companies including Surrey Satellite Technology Ltd.

Website: www.earthi.space

Twitter: @Earthi_

Linkedin: Earth-i Company page

View the first full-colour datasets from VividX2: https://youtu.be/OBxJSroyTcI

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