Near Infrared
The natural world revealed
Near Infrared (NIR) imagery is a derivative product of aerial imagery surveys, using the latest digital camera technology. The resultant image highlights ground features that emit radiation within the near infrared part of the spectrum. Ground features containing chlorophyll i.e. vegetation, will be presented in varying shades of red; all ground features that are not vegetation are visible as black and white aerial images.
By providing information on the extent of vegetation as well as the variety and health of plants and trees it can be used to support the analysis of all types of ground vegetation. For example, it plays an important role in detailed forestry management and crop monitoring programmes, measuring open space, analysing types of green space, and supporting habitat conservation programmes.
"Historic NIR imagery provides us with a very high quality baseline against which to measure vegetation change. It enables the GIS user to view and assess vegetation from the desktop saving a great deal of time and money." Matt Sully, Geographic Information Systems Officer, Exmoor National Park Authority
Features
- High resolution digital aerial images typically 5 cm 12.5 cm resolution
- Images are captured while plants are in full leaf
- Consistent with true colour digital aerial imagery
- Integrated with Ordnance Survey mapping
- Geographically enabled & available in major GIS formats
- Integrates with all Cities Revealed data products to enrich analysis
Downloads
Image Manager
Image datasets are often large and complex, presenting problems to users at the desktop. Cities Revealed has solved these problems by providing free, easy to use software to enable fast access to large databases.
- Free, easy to use image viewing software that enables fast access to large databases.
- Access compressed image databases
- Overlay other geographic databases including vector and point data
- Search the image by co-ordinates, a gazetteer or index map
- Compare past and present images or maps on one screen
- Export to common GIS packages or copy to Microsoft Windows compliant software
- Print customised digital maps complete with scale and logo
