Product catalogue
DEA Burnt Area Characteristic Layers (Sentinel 2 Near Real-Time, Provisional)
Background
Bushfires pose a serious and increasing threat to Australia. The detection and mapping of burns has many applications to support management of areas impacted by fire. The identification of bushfire burn using Earth Observation is often manual, can come with a significant time delay, and only available at a relatively small scale. This product offers provisional and preliminary change detection using same day satellite data to automatically and rapidly identify burn characteristics.
Knowledge about the potential location and extent of fire helps to understand community and ecosystem impacts, enables directed relief and recovery support, and informs planning of mitigation burning for future fire seasons.
What this product offers
DEA Provisional Burnt Area Characteristic Layers contribute to the understanding of the distribution and frequency of fire in the Australian continent by measuring change in vegetation cover and soil characteristics that may be indicative of fire activity in the landscape. This product contains three layers that each describe change in a specific remote sensing index. Change in each index is measured between a baseline reference image and the most recent observation of Australia from the Sentinel 2 satellite constellation.
The indexes contained in each dataset describe change in a characteristic of the Earth’s surface that may be the result of a burn. The characteristic described are green vegetation cover and the reflective properties of bare soil and of burnt materials. These layers can be used to detect areas that may have been recently burnt, as fire will change the presence of these characteristics in the satellite data. These layers should be used with other information sources to determine if the change is the result of fire or other processes.
Simple
Identification info
- Date (Creation)
- 2021-09-16T17:45:13
- Date (Publication)
- 2022-05-02T06:41:02
- Edition
-
1.0.0
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/146449
- Citation identifier
- Digital Object Identifier/https://dx.doi.org/10.26186/146449
- Cited responsible party
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Role Organisation / Individual Name Details Owner Commonwealth of Australia (Geoscience Australia)
Voice Publisher Commonwealth of Australia (Geoscience Australia)
Voice
- Purpose
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Applications:
- As a preliminary use-case to show the potential of near real-time change detection
- As a screening tool to identify the potential location of new burnt areas
- As a screening tool to identify the potential size of burnt areas
- To visually identify potential changes of known burnt areas between two time periods
- Point of contact
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Role Organisation / Individual Name Details Resource provider Place, Space and Communities Division
External Contact Point of contact Glitsos, B.
Space Division Internal Contact
- Topic category
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- Geoscientific information
Extent
))
- Maintenance and update frequency
- As needed
Resource format
- Title
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Product data repository: Various Formats
- Protocol
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FILE:DATA-DIRECTORY
- Name of the resource
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Data Store directory containing the digital product files
- Description
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Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes
- theme.ANZRC Fields of Research.rdf
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EARTH SCIENCES
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- Theme
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fire
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- Theme
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bushfire
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- Theme
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fire extent
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- Theme
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fire frequency
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- Keywords
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Published_External
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Resource constraints
- Title
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Creative Commons Attribution 4.0 International Licence
- Alternate title
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CC-BY
- Edition
-
4.0
- Access constraints
- License
- Use constraints
- License
- Other constraints
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CC BY Attribution 4.0 International License
Resource constraints
- Title
-
Australian Government Security ClassificationSystem
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
Associated resource
- Association Type
- Was informed by
Identifier
- Description
-
Extended metadata for this data product (DEA Burnt Area Characteristic Layers Sentinel 2 Near Real-Time (Provisional))
- Language
- English
- Character encoding
- UTF8
Distribution Information
- Distributor contact
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Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
Voice
- OnLine resource
-
Link to data
Link to data
- Distribution format
-
Resource lineage
- Statement
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The DEA Burnt Area Characteristic Layers is a change detection product derived from two data sources:
DEA Sentinel 2 Barest Earth (based on method of Roberts, et al. 2019).
The daily Sentinel-2 (A and B combined) Near Real-Time provisional satellite data.
The Sentinel-2 (A and B combined) Near Real-Time data is masked for cloud, shadows and other image artefacts using the Sentinel-2 fmask pixel quality layer to help provide as clear a set of observations as possible for change detection.
The following indexes are calculated from both the DEA Sentinel 2 Barest Earth and the Sentinel-2 Near Real-Time data:
Bare Soil Index (BSI)
Normalized Difference Vegetation Index (NDVI)
Normalized Burn Ratio (NBR)
The change layers for each index are then calculated in the following way for each index:
Change(index) = Barest Earth(index) - Near Real-Time(index)
- Hierarchy level
- Dataset
- Description
-
Please refer to the lineage section.
Reference System Information
- Reference system identifier
- EPSG/GDA94 (geocentric) (EPSG:4348)
Metadata constraints
- Title
-
Australian Government Security Classification System
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
Metadata
- Metadata identifier
-
urn:uuid/ea269429-9ff4-4ad7-86a9-8797c6b74e69
- Title
-
GeoNetwork UUID
- Language
- English
- Character encoding
- UTF8
- Contact
-
Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Glitsos, B.
Space Division Internal Contact
Type of resource
- Resource scope
- Dataset
Alternative metadata reference
- Title
-
Geoscience Australia - short identifier for metadata record with
uuid
- Citation identifier
- eCatId/146449
- Date info (Creation)
- 2021-09-16T17:45:13+10:00
- Date info (Revision)
- 2022-03-10T13:51:11+11:00
Metadata standard
- Title
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AU/NZS ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-3
- Title
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
- Edition
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Version 2.0, September 2018
- Citation identifier
- https://pid.geoscience.gov.au/dataset/ga/122551