News

New hydrology textbook

Dr Harvey Rodda has recently co-authored a hydrology textbook with Dr Max Little from the Department of Engineering and Applied Science, Aston University. The aim is to provide assistance to hydrology students and practitioners with some of the more complicated mathematical aspects of the subject. The book is available as an e-book as well as…
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Rose Wood

It is with great sadness that we have to report the death of Dr Rose Wood, our principal oceanographer from 2005 – 2014. Rose started at Hydro-GIS Ltd to lead the development of a coastal flood catastrophe model for Norway and then continued working on a large number of projects including further coastal work on the…
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New publication

A new book by Wiley Blackwell, entitled Progress in Modern Hydrology:Past, Present and Future has been co-edited by  John C Rodda and Mark Robinson. The volume marks the 50th anniversary of the founding of the NERC and represents a wide range of hydrological research undertaken by past and present researchers at Wallingford.

Martinstown storm event reconstruction

60 years ago the record 24 hour UK rainfall was recorded at Martinstown. Hydro-GIS Ltd has produced a report on the event including estimates of flood damage should the event occur again with current landcover. The Martinstown Storm of 18th July 1955

UK Historical Extreme Rainfall Archive now available

The British Rainfall Digital Archive GIS link is available to purchase from Hydro-GIS Ltd. This is an ArcGIS interface to enable a spatial search of the archive for the Thames basin and to gain easy access to over 28,000 extreme rainfall measurements, 1000 pages of text including eye-witness accounts and over 250 rainfall maps. Licencing…
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Groundwater flooding

Following the record rainfall over December 2013-February 2014, Hydro-GIS Ltd is involved in groundwater flooding projects looking at designing flood alleviation schemes, undertaking flood risk assessments for insurance claims and expert witness work for legal cases. In addition Dr Harvey Rodda is supervising an MSc dissertation at UCL  looking at developing groundwater flood risk maps for Hampshire.

UCL students on field trip

Hydro-GIS Ltd hosted UCL students during a hydrology field trip to Pangbourne in Berkshire (image). The trip focussed around a flood risk assessment exercise for a proposed hotel development in Pangbourne village centre, close to the River Pang and River Thames.

Strategic flood risk assessment presented

Dr Harvey Rodda presented at the inaugural neighbourhood planning alliance seminar held in Lichfield in March 2015. His presentation demonstrated how a strategic flood risk assessment could be undertaken on a parish level to consider the current risk of development sites proposed as part of a neighbourhood plan. The analysis using GIS and existing flood…
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Chalgrove Strategic Flood Risk Assessment

Hydro-GIS Ltd had been asked by the Chalgrove Neighbourhood Development Plan to produce a Strategic Flood Risk Assessment for 11 potential development sites in the South Oxfordshire village. The assessment included the use of published information, site observations and computer modelling techniques using ArcGIS. The resulting document is now available for the general public to view on the…
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2014 Dissertations

Dr Harvey Rodda has been supervising MSc  dissertations and Natural Hazard for Insurers certificate projects at UCL. The topics included an assessment of the impact of dam failure at the Ladybower Reservoir in Derbyshire and the development of a tool for global estimation of river floodplains.