Modelled fluvial flood depth and climate change depth difference data created 2004: 1 percent annual chance for grid reference TG

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Score updated: 18/02/2018

Responsible Party: Environment Agency (pointOfContact)


The depth difference dataset (2004) is a depth grid showing the difference between modelled fluvial flood depths and modelled fluvial flood depths under climate change conditions (an increase in peak flows of 20%). Modelled fluvial flood depth and climate change depth difference data* was created for both the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of the generalised modelling project was to fill the gaps where there was no detailed local modelled data in 2004, in order to define the extents of Flood Zones for spatial planning. A two-dimensional hydrodynamic model called JFlow was used to produce both the modelled fluvial flood depth and modelled fluvial flood depth with climate change data. This depth difference data, using these 2 datasets, is provided on a 5x5m grid. Since 2004, some local detailed modelling projects have included scenarios for climate change however this depth difference dataset has not been updated. INFORMATION WARNING: This data is not suitable for identifying whether an individual property will flood due to climate change, for detailed decision making or for use in site specific Flood Risk or Strategic Flood Risk Assessments. Where this data is used further evidence, verification and studies should be undertaken. Climate change allowances have changed since this work was completed in 2004. More recent, accurate and local detailed modelling depth data with climate change is available for some places. Please contact your local Environment Agency office to see if detailed modelling is available for your area of interest. This metadata record is for Approval for Access product AfA480 2004 1 in 100 Fluvial Depth Grid Climate Change Difference Modelled fluvial flood depth data with climate change are available for the whole of England, however this data is for the 100x100km squared Ordnance Survey National Grid reference TG. If you are interested in data for another grid reference refer to this Ordnance Survey National Grid document to find the relevant referencing code and search on again to download the data. Attribution statement: © Environment Agency copyright and/or database right 2016. All rights reserved. Some features of this information are based on digital spatial data licensed from the Centre for Ecology & Hydrology © NERC (CEH). Defra, Met Office and DARD Rivers Agency © Crown Copyright. © Cranfield University. © James Hutton Institute. Contains OS data © Crown copyright and database right 2015. Land & Property Services © Crown copyright and database right.

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Dataset Extent

Latitude: 55.816° to 49.943°
Longitude: -6.236° to 2.072°

Data Resources (1)

Resource locator

Additional Links (2)

Source GEMINI2 record
Source GEMINI2 record (formatted)

Additional Information

Added to 30/08/2016
Theme Environment
Temporal coverage 1/1/2004 - 1/1/2004
Harvest URL
Harvest date 22/02/2018 17:15
Metadata date 22/2/2018
Harvest GUID e503cf32-7841-4f77-9ac5-542134354da4
Extent Latitude: 55.816° to 49.943°
Longitude: -6.236° to 2.072°
Spatial reference system
Dataset reference date 1/1/2004 (creation)
Frequency of update notPlanned
Responsible party Environment Agency (pointOfContact)
Access constraints There are no public access constraints to this data. Use of this data is subject to the licence identified.
ISO19139 resource type dataset
Metadata language English
Themes (secondary) No value
Schema/Vocabulary No value
Code list No value
Service Level No value
Coupled Services (none)