Services - Horritt Consulting

Horritt Consulting provides a wide range of services in the hydrology, hydraulics, risk analysis, mapping and spatial data sectors. These range in scale from flood risk analysis for single sites up to national and global scale risk assessments.

For some examples of specific projects Horritt Consulting has worked on, have a look at the example projects page.

Hydrology

A deep understanding of hydrology underpins all our work in river environments. We are experienced in working with the UK's industry standard methods, such as Flood Estimation Handbook, ReFH, and LowFlows. In addition we can undertake rainfall analysis and modelling, continuous simulation, and joint probability analysis.

Hydraulic Modelling

We offer services in hydraulic analysis using numerical and analytical approaches, backed up by 25 years experience in analysis and modelling using HEC-RAS, Flood Modeller and TUFLOW. We can use these tools to help you understand flows in rivers, hydraulic structures, bridges, spillways etc, and support your hydraulic design needs, from single site up to national scale analysis and beyond.

Assessment of risk to reservoirs from extreme rainfall events is supported by hydrological, flood routing and hydraulic analysis, including 1 and 2D hydraulic modelling of spillways and reservoir breach inundation.

River Restoration and Fish Passage

We can provide consultancy and training services in hydrology and hydraulics to help rivers trusts to balance the needs of improving ecological status and managing flood risk. Our experience in modelling with Flood Modeller 1D and 2D, HEC-RAS, TUFLOW, and hydrological analysis, can help you understand flow regimes and plan channel works, weir removal, fish passes etc. We also offer training in hydraulics and hydrology, for staff from all backgrounds, with courses tailored to your needs.

Climate Change

Climate change is one of the most serious threats we face, and a resulting increase in flood risk will have serious consequences globally. We can help you understand potential changes in risk through coupling climate forecasts to risk models representing hydrology, hydraulics and vulnerability. This allows us to understand the link between changing climate and the things the really matter: risk to people, property and the environment. In particular we have been involved in the UK government's Climate Change Risk Assessment since 2015, delivering national scale assessments of the impact of climate on flood risk to people, properties and infrastructure.

Probability, uncertainty and risk

Natural variability in environmental processes, and the uncertainty in our modelling, mean that probabilistic approaches are becoming increasingly necessary in understanding and managing risk. We can harness statistical modelling and joint probability analysis to understand the drivers behind flood risk from rivers, the sea, and surface water, and how these combine.

Based on 20 years experience of using probabilistic approaches to understand natural hazards, we can help you to better understand and quantify risk in an uncertain and changing environment. The insurance, risk mapping and infrastructure sectors can all benefit from the more holistic approach offered by probabilistic modelling. Acknowledging inherent uncertainties helps you reach robust decisions based on an honest assessment of what we know about risk.

GIS

Spatial analysis and data science are key to understanding enviromental risk. We can help you collect, manage and understand spatial data using GIS and spatial databases, from single sites up to global applications.

Software Development

We have been successfully developing commercial software applications for over 20 years, in image processing, hydraulic modelling and risk analysis, using proprietary and open source development frameworks.