LiDar | rs-naturaldisasters

Introduction to data type

Radar data represent a specific data that are acquired in the microwave part of electromagnetic spectrum. Owing to that the radar images can be acquired in any weather, in a day or night. Presently, the radar data with spatial resolution tens of meters are available. In the very near future a 1m resolution will be a reality. Radar data conveniently complement conventional optical data especially when climatic and meteorological conditions don’t enable getting the optical ones.

Potential application

Floods and floods zones mapping
Geomorphologic mapping
Monitoring of seismological movements and landslides
Ship monitoring, detection of sea and ocean pollution
Glaciers mapping and monitoring
Tropical forests mapping and monitoring
DEM generation

Availability (including suppliers details)

Collection considerations (time of day, FOV, etc.)

- There are two things you need to consider when collecting your images. The first one would be, be awear of the time of day you are collecting your images and also keep in mind you want a clear and sunny day to collect your images, you don't want hardly any clouds in your images.

Processing levels

- Low

Cost

- Free though USGS: Earth Explorer

File format

a 'manifest.safe' file which holds the general product information in XML
subfolders for measurement datasets containing image data in various binary formats
a preview folder containing 'quicklooks' in PNG format, Google Earth overlays in KML format and HTML preview files
an annotation folder containing the product metadata in XML as well as calibration data
a support folder containing the XML schemes describing the product XML