CookiesAccept

NOTE! This site uses cookies and similar technologies.

If you not change browser settings, you agree to it.

I understand

Burn Scar Map by High Resolution Optical Data

 

The most effective, passive remote-sensing methods for detecting and mapping BSs on high resolution data (meters to tens of meters), rely upon the observation in near-infrared (NIR) and short-wavelength infrared (SWIR) bands, either in contextual (single-image) or in multi-temporal mode. In the multi-temporal case, a method to separate reflectance variation due to vegetation damage from changes due to other factors influencing the at-satellite reflectance, is that of identifying pseudo-invariant features (Permanent Reflectors o PR) to be used as reference targets in different scenes.
This approach is integrated in a three-step, multi-patented procedure called MYME2 (PCT/IT04/000376, WO2005/005926A1, EP/1642087). It includes: (i) selection of pixels presenting a decrease in biomass content and chlorophyll absorption (compared to PRs variation) from image N-1 and the image N, (ii)  Selection of non-vegetated pixels located in the image N, (iii) Pixels selected in the previous steps are considered to have undergone fire damage. MYME2 is a multi-temporal method, robust, fast, automated, unsupervised, and independent of the payload, allowing for detection of fire damaged areas higher than one hectare.
It is recommended a monthly update of the BS map for two principal reasons (i) avoid the removal of ash or charcoal - that remain the univocal indicators of fire damage, and (ii) assess the damage before the re growth of vegetation cover.

 

 

 

 

 

Example REC BSHRO

Burn Scar Map (High resolution Optical) of Peloponnese - Greece

 

Back to PREFER products...

Joomla Templates by Joomla51.com