News

March 2020 United Nations World Water Development Report

The 2020 edition of the World Water Development Report (WWDR 2020) entitled ‘Water and Climate Change’ aims at helping the water community to tackle the challenges of climate change and informing the climate change community about the opportunities that improved water management offers in terms of adaptation and mitigation. The scientific evidence is clear: the…
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Hurricane Harvey

It is fitting that an Atlantic hurricane which shares its name with our director of hydrology should be noted for its particular hydrological impact. The most serious impact from Hurricane Harvey has been the extreme rainfall which has now amounted to over 1000mm in the four days from 25-28th August. By contrast the average annual…
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ESRI User Conference

Due to some urgent field work at short notice Dr Harvey Rodda was unable to give his presentation at the ESRI UK user conference on 18th May 2017. Here is a document summarising the study. East Hanney Presentation

Supporting local culture

Hydro-GIS Ltd is proud to contribute to the Wallingford Corn Exchange Roof Fund Appeal. The Corn Exchange is a local theatre run by volunteers in Wallingford. It has previously been supported by DEFRA and EU funding. As we are currently placed in the grim situation where one of those funding sources will no longer be available…
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MSc Dissertations

Dr Harvey Rodda is supervising a UCL MSc dissertation as part of the geophysical hazards course on the topic of the 1606 Bristol Channel Tsunami, and also supervising a NHFI project on the comparison of the 2005, 2009 and 2015 Cumbria floods. Laura Vecera is currently undertaking her MSc dissertation at Freiburg University on karst…
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Zero emission mileage

Since March Hydro-GIS Ltd has a hybrid company car, a BMW 225xe. This will enhance our green transport policy and will be able to ensure zero emission mileage for local journeys. We are very pleased to have a hybrid vehicle from a quality European manufacturer and have achieved low fuel consumption figures of 2.6 l/100km…
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Project in Chile

Hydro-GIS Ltd has been working as part of a team of experts to look at the risk of tailing dam failure in Chile. Our input has included to application of a dam breach model to identify the potential risk to downstream areas and using rainfall runoff modelling to identify the risk of dam failure caused…
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The Use of Drones for Flood Mapping

Hydro-GIS Ltd worked together with researchers from the Open University in a pilot study to test using a drone for mapping flood extents. The approach has a number of potential applications such as demonstrating flood extents in areas where EA flood maps are inaccurate, which is particularly common for small streams, and to assist insurance…
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UCL Dissertations

Through his role at UCL Dr Harvey Rodda has been supervising four MSc dissertations on storm surges along the English Channel coast, the risk of dam breach flooding in the PeaK District National Park, flash flood risk in Chile, and the relationship between drought periods in Southern Spain and the North Atlantic Oscillation.

Flooding and Insurance in the UK

The recent implementation of Flood Re to guarantee flood cover for households in the UK has led to an increased interest in the flood risk to insurance company portfolios. Hydro-GIS Ltd were engaged by Axa Art to undertake hydrological field surveys to provide a detailed assessment of the flood risk at six sites which had…
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