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26/05/2015
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Development of a satellite based rangeland
monitoring program.
Grant Staben & Jason Barnetson Rangeland Monitoring Branch
1 DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
The Collaborative Program
• QLD Remote Sensing Centre & DLRM Partnership
• Joint Remote Sensing Research Program
– NSW, VIC, University of QLD, TERN-AusCover
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
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• Provide support to decision makers
• Provide objective information to assess, monitor and report upon land condition in accordance with the requirements of the
NT Pastoral Land Act,
Why do we monitor the rangelands of the NT?
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Rangeland monitoring program – Landsat imagery
• Imagery captured 1987 - present
• NT Landsat archive = ~ 50,000
• Storage size = ~ 150 TB
• Imagery accessed via remote
connection to QLD Gov HPC
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
5 DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
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How do you make sure the satellite data is representing the real world?
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
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Fractional cover product
Bare Brown Green
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
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Utilisation
Monitoring site time trace (Arid region)
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
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Monitoring site time trace (Barkly Tablelands)
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
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Current reporting mechanisms
Rank Rating
1 Lowest
2 Very Much
Below
Average
3 Below
Average
4-7 Average
8 Above
Average
9 Very Much
Above
Average
10 Highest
Decile ranking fractional cover
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicting average canopy height from Landsat 8 & SRTM 1sec dem - Cyclone Lam example
11 DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicting average canopy height from Landsat 8 & SRTM 1sec dem – cyclone Lam example
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30 April 2013
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicting average canopy height from Landsat 8 & SRTM 1sec dem – cyclone Lam example
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6 May 2015
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicting average canopy height from Landsat 8 & SRTM 1sec dem – cyclone Lam example
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicting average canopy height from Landsat 8 & SRTM 1sec dem – cyclone Lam example
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Ramingining 2012
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicting average canopy height from Landsat 8 & SRTM 1sec dem – cyclone Lam example
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Ramingining 2012Ramingining 2015
DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicted mean Tree Canopy Height 30 April 2013 (Landsat8/dem)
17 DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Predicted mean Tree Canopy Height 6 May 2015 (Landsat8/dem)
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Change in mean Tree Canopy Height (30April 2013 - 6 May 2015)
19 DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Change in mean Tree Canopy Height (30April 2013 - 6 May 2015)
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DEPARTMENT OF LAND RESOURCE MANAGEMENT www.lrm.nt.gov.au
Questions
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