ImageCat Inc.

Aerial Survey of Flood Damage

ImageCat Analyzes Summer UK Floods using High Resolution Aerial and Medium Resolution Radar Imagery

Long Beach, CA. – August 20, 2007: Responding to the devastating summer floods in the UK, ImageCat has produced a selection of GIS Flood Maps and Aerial Images for affected areas across the UK. This comprehensive and independent information on the disaster scene provides decision support for emergency managers and the re/insurance industry, showing the extent of flood inundation and in-field conditions.

This set of flood visualization and analysis data was produced by analyzing normal river flow versus flood conditions using optical and radar satellite imagery, According to Dr. Beverley Adams, Remote Sensing Technical Director and Head of European Operations at ImageCat, “the July flood analysis provides a detailed and highly accurate map of flood extent around Cheltenham, Gloucester, Tewksebury, Over, Whitney, Abingdon and parts of Oxford. In addition, ImageCat analysis for the June floods covers urban locations in Yorkshire including Hull, Beverley, Rotherham, Doncaster and Mexborough”.

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ABOUT IMAGECAT’S FLOOD MAPPING SERVICES ImageCat offers the following flood data products and services:
Area of flood inundation and surrounding boundary. Exclusive ImageCat/MDA product. Available across the US, throughout Europe, and potentially for other global locations.

Method - Produced using radar Radarsat (owned and operated by MDA) standard/fine beam imagery
Accuracy - area ~80%; boundary 90-95% with 500m and 100% within 1km
Benefits – Rapid independent assessment of flood extent. Exclusive ImageCat/MDA product, with discounted Radarsat imagery pricing. Dataset is not publicly available.

1st-For-Damage Aerial Survey
Rapid aerial assessment for mapping the widespread distribution of damage, or assessing damage to individual buildings. 1st-for-damage images captured and delivered within 24-48 hours of the event for custom client-specified areas. Images served through VIEWS™ viewing software. Available across the US and UK and potentially for other global locations.

Format - 5cm resolution aerial survey of damage across hurricane-affected areas.
Delivered with VIEWS viewing software showing flight path.
Method – GPS-referenced aerial images captured by in-field team.
Benefits – Usually first available damage dataset available after event. Stop the video at any point along the flight path, and jump to the image frame to see how buildings performed. Search image frames for a given address. Dataset is not publicly available.

In-field ground based damage survey using CatVIEWER™
Rapid ground-based damage assessment to buildings and other high-value structures. In-field survey of damage to buildings, infrastructure and high-value commercial/industrial structures. GPS-referenced video and photographs collected using VIEWS™ system, covering client-specified areas. Up to 2,500 buildings imaged per day. Available for the US and Europe.

Format – Detailed GPS-referenced ground-based video and photographs.
Delivered with VIEWS viewing software and base-layer of satellite imagery.
Photographs can be shown in Google Earth.
Method – Video and photographic damage data captured by in-field team, using CatVIEWER™ field data collection and viewing software. Data collected from slow moving vehicle or on foot.
Benefits – Stop the video at any point along the GPS trail, and jump to the in-field video/photograph to see how buildings performed. Search for video/ photographs for a given address. Dataset is not publicly available.

For more information on the data products and becoming a subscribing member, please contact:

US representative Shubharoop Ghosh email: sg@imagecatinc.com phone +1 562 628 1675	UK representative Anneley McMillan email: am@imagecatinc.com phone: +44 (0)1372 278777