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The use of satellite PolSAR subsurface moisture maps

Event date: July 14, 2022

Missed the webinar? Watch again below.


14 July, 12:30–13:15

This presentation will detail the latest remote sensing technology and will provide real-world examples of how soil moisture data has been acquired and analysed to benefit projects and clients. With the growing need to address asset resilience to climate change and for organisations to meet Task Force on Climate-related Financial Disclosures (TCFD) requirements, assessing ground-related risk and proactive prioritisation have never been so important. GroundSat from Central Alliance, a new, innovative analysis technique utilising ASTERRA’s revolutionary and patented EarthWorks technology, uses soil moisture data and other datasets to analyse climate-related risk to geotechnical assets and drainage infrastructure.

The value at risk to manageable assets as a result of climate change by 2100 is up to $4.2 trillion (The Economist Intelligence Unit, 2015).

The talk is aimed at clients, asset owners and consulting engineers in the areas of linear infrastructure, mining, dams and reservoirs, earthworks and flood risk.


Richard Pidcock, Joint Managing Director of Central Alliance, part of the RSK group

Richard is an engineering geologist and company director with 25 years’ experience in engineering geology, geotechnical engineering, site investigation and surveying.

He founded the business in 2006 and has overseen its growth to become a team of over 100 skilled people delivering ground engineering technical services to clients across all sectors. Central Alliance became part of the RSK group in 2018. Research and development and technology-led solutions are a key focus for the business and together with Eddy Segal, Richard conceived and developed the concept of using high resolution soil moisture mapping for various applications, including geotechnical and drainage assessments for asset management.

Richard holds a BSc in geology from the University of Leicester and an MSc in engineering geology from the University of Leeds.

Asterra logo

Eddy Segal, Vice President Sales and Business Development at ASTERRA

Eddy has been a sales and business development executive in international markets since 2001. In 2010, he switched from defence and IT to the water and geotechnical markets. Since then, he has worked with customers across five continents, structuring technically complex contracts.

In the last three years, Eddy has led the diversification of the Utilis business, now branded as ASTERRA, into infrastructure risk reduction for transportation infrastructure and mining by providing subsurface moisture maps. Climate change is hitting hard, especially affecting infrastructure built 50 or more years ago, and the introduction of the most advanced technologies is the only way to manage the effects.

Before his current position, Eddy was vice president – sales for NICE Systems, selling advanced technological solutions to large enterprises. Before NICE, Eddy was a project manager with Elbit Systems, managing complex integration projects in defence markets.

Eddy holds a BSc in computers engineering from the Technion, Israel Institute of Technology.


Sean Blaney

Sean is technical director at Central Alliance and leads the applied technologies department. He is responsible for innovation in the business and has led projects to introduce new surveying and monitoring techniques into the industry, including muon tomography and GroundSat. Sean is responsible for applying and advising on novel techniques throughout the business with regard to geotechnical and geoenvironmental instrumentation applications. His duties include the coordination of site and monitoring equipment, including calibration, maintenance, ensuring compliance and quality assurance. He is also routinely involved in the delivery and processing of Central Alliance’s continuous surface wave (CSW) testing, a market-leading non-intrusive ground stiffness profiling method. Sean holds a BSc in computing and is currently completing an MSc in geographical information systems. He also holds an HNC in mechanical engineering.

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Technical Talks

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This webinar series showcases the breadth of in-house specialisms across its technical services provision. Featuring presentations from industry leaders, this webinar series offers insights into the technical, as well as practical, aspects of ground engineering, development and investigation projects.


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