Nigel Ridley Thomas
Consultant - EGS (Asia) Ltd.
Director - EGS (Malaysia) Sdn Bhd.

One of the founding members of the Company and an internationally respected geophysicist, Nigel is now a consultant to the company based in our Hong Kong office. With over 30 years experience in the research, design and execution of most types of engineering geophysical and oceanographic surveys, he provides wide ranging expertise to our survey capabilities.

Nigel has carried out surveys in most parts of the world, but it is his detailed knowledge of the geology and oceanography of Hong Kong and the Pearl River estuary which makes him a invaluable resource for our company and clients planning infrastructure development projects in and around Hong Kong.

Nigel holds both a Master of Arts Degree in Chemistry from Oxford University, and a Master of Sciences Degree in Geophysics from the University of Birmingham, UK.
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Papers:

Ridley Thomas W.N. 1982 The application of engineering geophysical techniques to site investigations in Hong Kong
Proceedings Proceedings of the Seventh Southest Asian Geotechnical Conference, Hong Kong, November 1982.

Lacey P., Osorio D. & Ridley Thomas W.N. 1987 The collection and application of hydrographic data to the design of the Shajiao B power station and Boca Tigris bridge on the Pearl River in Guandong province, People's Republic of China
Proceedings of the Second International Conference on Coastal and Port Engineering in Developing Countries, Beijing, China, September 1987

Ridley Thomas W.N., Lai, W.C. & Nieuwenhuijs G.K. 1987 Marine Geophysical Methods
Proceedings of a conference on "Marine sand and gravel resources of Hong Kong" held by the Geological Society of Hong Kong, Hong Kong, December 1987.

Collar F.A., Ridley Thomas W.N., Lai W.C. 1990 A detailed gravity survey in the Yuen Long area to map the shallow limestone subcrop
Proceedings of a conference on "Karst geology in Hong Kong" held by the Geological Society of Hong Kong, Hong Kong, January 1990.

Ridley Thomas W.N.1990 New advances in water quality measurements
Dredging and Port Construction Magazine, Volume XXI, No 9, September 1994.

Ridley Thomas W.N., Hale R.E.. & Land J.M.. 1998 Suspended Sediment Measurements in Hong Kong
"Hydro International" Magazine, Volume 2, Number 6 September 1998.