This report shows for Lot/s on Plan of interest, a range of fire scar maps and graphs describing fire scar seasonal distribution, fires detected in different years and fuel load information.
What is included in the report?
The report includes:
Report sample is available online here.
A ‘fire scar’ is the visibly blackened land surface left after bushfires burn vegetation and leaf litter.
When viewed from space using satellite imagery, fire scars are usually visible as blackened or charred areas. Sometimes, if the satellite passes over the fire at the right time, the active fire front can be seen.
Remote sensing scientists use satellite imagery, which is captured on a regular basis, to identify and map fire scars by looking for changes in the landscape over time.
These fire scar maps and graphs were generated from NOAA satellite imagery, which were produced by Landgate, Government of Western Australia (landgate.wa.gov.au).
A range of fire scar maps and graphs describing fire scar seasonal distribution, fires detected in different years and fuel load information:
Ta cumulative fire scar map for the period from 1997 to current, showing how many times fire scars were detected for an area during that period.
a fire scars detected in each month for current year map.
a years since burnt map showing how long ago the latest fire scar was detected.
a graph that indicates the number of fire scars that occurred in different months in the past.
a graph indicating the cumulative percentage fire scar area out of the total property area within an individual year.
a graph relating the historical time series of curing index and fuel load for the property.
Be aware that NOAA satellite based imagery has broad scale resolution (approximately 1km x 1km), but provides daily revisits of a site from which fire scars can be detected.
Some fire scars may still be undetected by satellites due to:
spatial or temporal limitation;
"cool fires" under trees that don’t affect tree leaves; and
Incidence of cloud cover.
"False fire scars" are also possible where land becomes dark due to cloud shadows or inundation of water.
The curing index is the percentage of dead pasture out of the total modelled pasture biomass. Both curing index and fuel load data were sourced from the AussieGRASS model outputs.
All of the above factors need to be taken into consideration when interpreting the information presented in this report.
Fire scar information (spatially and temporally) can be used in land management by: