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Digital Surface Model
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Product Overview
Digital Surface Models (DSMs) measure the height values of the first surface on the ground including terrain features, buildings, vegetation and power lines etc, providing a topographic model of the earth's surface.
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Product Information
Available through Envirocheck Export in a range of digital formats; ASCII, DWG, DXF and CSV formats. Data is delivered within 48 hours of placing your order.
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Product Specification
Environment Agency DSM Data - England and Wales
- Accurate digital elevation data produced by Light Detection and Ranging (LiDAR), an airborne laser mapping technique.
- Data set includes all surface objects.
- Supplied at four resolutions; 25cm, 50cm, 1m and 2m.
- Covers approximately 64% of England and Wales.
Atkins DTM Data – Scotland
- Light Detection and Ranging (LiDAR) is an airborne laser mapping technique which produces accurate elevation data.
- Data set contains a 'bare earth' Digital Terrain Model (DTM) where vegetation and other surface features have been identified and removed; and a Digital Surface Model (DSM) that includes surface objects.
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Features and Benefits
- Saves time – All data is available fully digitised and ready to be uploaded in a choice of GIS and CAD ready formats.
- Flexible – Only buy the data you need for your project.
- Fast – DSMs are available within 48 hours of placing your order.
- Accurate – EA LIDAR data has an accuracy of +/-5cm to 15cm, with the spatial resolutions ranging from 25cm to 2 metres.
- Legal – All data is fully licensed for commercial use, under a single managed licence, with automatic expiry reminders.
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Applications
- Flood risk analysis.
- Risk assessments.
- Feasibility studies.
- Line of sight analysis.
- Noise and wind modelling.
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Any questions?
For information on rates, volume discounts and bespoke solutions, please contact your dedicated Account Manager or email: customerservices@envirocheck.co.uk
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