Assessing two large area burnt area products across Australian Southern Forests

Soto-Berelov, M, Jones, S, Clarke, E, Reddy, S, Gupta, V and Felipe, M 2018, 'Assessing two large area burnt area products across Australian Southern Forests', International Journal of Remote Sensing, vol. 39, no. 3, pp. 879-905.


Document type: Journal Article
Collection: Journal Articles

Title Assessing two large area burnt area products across Australian Southern Forests
Author(s) Soto-Berelov, M
Jones, S
Clarke, E
Reddy, S
Gupta, V
Felipe, M
Year 2018
Journal name International Journal of Remote Sensing
Volume number 39
Issue number 3
Start page 879
End page 905
Total pages 27
Publisher Taylor and Francis
Abstract Burnt area is a critical parameter for estimating emissions of greenhouse gases associated with biomass burning. Several burnt area products (BAPs) derived from Earth Observation satellites/sensors have been released; these are based on different spatial resolutions and derived using different methodologies so that accuracies can vary amongst them. This study validates a global (MODIS) and a national (AVHRR) BAP across Australian southern forests using two reference datasets: state fire histories (SFHs) from 2000 to 2013 and a forest cover map derived through high resolution air photo interpretation (API). The spatial and temporal agreement between fires in the BAPs and reference SFH were analysed based on 2610 sample points representative of Australian southern forest types (successful detection was evaluated according to fire type: planned burn vs. wildfire, size of fire, and land tenure). Results show that both BAPs were most successful when identifying large wildfires (>5000 ha). Overall accuracy for AVHRR and MODIS was 73.9% and 62.5%, respectively. When compared to the API derived forest cover map as reference dataset, both products achieved higher overall accuracies (94.1% for AVHRR and 87.1% for MODIS); an expected result given that the fires detected in this dataset are known to be observable using Earth observation data. But regardless of reference dataset, the AVHRR BAP which is tailored to Australian conditions achieved better results than the MODIS global BAP. Also, the AVHRR archive in Australia goes back to 1988, which is an important consideration for calculating wildfire history for greenhouse gas accounting.
Subject Geomatic Engineering not elsewhere classified
Physical Geography and Environmental Geoscience not elsewhere classified
Keyword(s) fire management
modis
validation
africa
land
vegetation
victoria
carbon
time
DOI - identifier 10.1080/01431161.2017.1392638
Copyright notice © 2017 Informa UK Limited, trading as Taylor & Francis Group
ISSN 0143-1161
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