assessment of large scale land cover change classification and drivers of deforestation in indonesia
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Assessment of Large Scale Land Cover Change Classification and Drivers of
Deforestation in Indonesia
Contributors: Arief Wijaya, Ruandha Agung Sugardiman, Budiharto, Anna Tosiani, Lou Verchot, Daniel Murdiyarso, Martin Herold, Erika Romijn
36th International Symposium on Remote Sensing of EnvironmentBerlin, 10 – 15 May 2015
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CIFOR Global Comparative Study on REDD+
GCS Module 3: REDD+ MRV and Carbon Emissions measurement
– Assessment of major deforestation drivers
– Setting national reference emission levels (RELs)
– Monitoring, reporting, verification (MRV) for REDD+
– Six case study countries: Brazil, Peru, Indonesia, Vietnam, Tanzania and Cameroon
Further information: www.cifor.org/gcs/
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Outline of Presentation
Common problems of national forest mapping in Indonesia
Satellite data classification and approaches
Comparison of available maps of forest loss/deforestation
Needs for systematic accuracy assessment
Drivers of deforestation analysis
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One Landsat scenecover 185 x 185 km
Indonesia is covered by 218 scenes
Source: Ministry of Forestry of Indonesia
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Highly rapid vegetation dynamics in Indonesia
Source: Ministry of Forestry of Indonesia
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Satellite data availability and approaches
Source: Ministry of Forestry of Indonesia
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Available datasets
Land cover map of MOF (1990 - 2013)
WRI Global Forest Watch data/GFW (2000 – 2013)
Annual primary forest loss map of University of Maryland – from Margono study (annually, from 2000 - 2012)
Indonesian National Carbon Accounting System (INCAS), LCCA project by Indonesian National Aerospace Agency (LAPAN) (annually, from 2000 – 2012)
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Comparison of deforestation/forest loss maps
0
500
1000
1500
2000
2500
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Annu
al tr
ee c
over
loss
/def
ores
tatio
n(0
00 h
ecta
re)
GFW (Outside and inside primary forest)GFW (Inside primary forest)MOF - CIFOR (Natural forest)Margono, et.al (Primary forest)
What causes discrepancies in 2013?
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Agreement and disagreement of forest loss / deforestation during 2000 – 2010- MOF (orange
polygon)- Margono (black)- INCAS (other
colors)
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Systematic accuracy assessment exercise- Fine resolution Google Earth footprints imagery- Mosaic cloud free Landsat data 2000, 2005, 2010- Stratified random sampling points of verified forest loss 2000 – 2010- To verify Margono, INCAS, MOF forest loss data- Observe maps differences, Why? When?- Improve forest loss estimate 2000 - 2012
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Deforestation estimate across main Islands
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Contributions of CO2 Emissions by IslandsKalimantan and Sumatera contribute to ~80% of CO2 deforestation emissions between 1990 – 2012
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CO2 Emissions from Deforestation, Peat Drainage and Peat Fires in Indonesia
Peatlands contribute to 30 – 50% of total carbon emissions from forestry sector between 1990 and 2012
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Land Use Types Following Forest Conversion
1990-2000
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Forest definitions matter!
Distribution of deforestation drivers in Indonesia from 2000 to 2009 based on analysis of follow-up land cover/land use type
Source: Romijn, et al (2013)
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