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The Collection 6 MODIS burned area mapping algorithm and product.

Louis Giglio1, Luigi Boschetti2, David P Roy3

  • 1Department of Geographical Sciences, University of Maryland, College Park, MD, USA.

Remote Sensing of Environment
|September 18, 2018
PubMed
Summary
This summary is machine-generated.

The MODIS Collection 6 algorithm significantly improves global burned area mapping, detecting 26% more area and reducing temporal uncertainty. This enhanced fire data provides a more accurate understanding of global fire dynamics.

Keywords:
Biomass burningBurned areaFireMCD64A1MODIS

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Area of Science:

  • Earth Science
  • Remote Sensing
  • Fire Ecology

Background:

  • NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) instruments have provided global fire data for nearly two decades.
  • Previous algorithms (Collection 5.1) had limitations in detecting small burns and temporal accuracy.

Purpose of the Study:

  • To describe refinements to the 500-m global burned area mapping algorithm implemented in MODIS Collection 6 (C6).
  • To evaluate improvements in burned area detection, temporal accuracy, and unmapped areas compared to Collection 5.1 (C5.1).

Main Methods:

  • Implemented an updated 500-m global burned area mapping algorithm in MODIS C6.
  • Compared C6 MCD64A1 products with C5.1 MCD64A1 and MCD45A1 products for 2002-2016.
  • Conducted an areal accuracy assessment using Landsat-derived burned area reference maps.

Main Results:

  • The C6 algorithm detected 26% more burned area globally and in most regions.
  • Temporal accuracy improved, with 44% of burned grid cells detected on the same day as active fires.
  • A decrease in burned area was observed in Boreal North America due to increased lake masking.

Conclusions:

  • The MODIS C6 burned area product offers significant improvements over C5.1, enhancing global fire monitoring.
  • The refined algorithm provides more accurate and comprehensive data for fire research and management.
  • Further validation using high-resolution data confirms the improved areal accuracy of the C6 product.