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Case Study: Adapting Global Datasets for Forest Carbon Accounting in Berau
Peter Ellis & Bronson Griscom
REDD Learning Exchange, November 11, 2014
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1. Decide on pools and fluxes to include.
2. Conduct accuracy assessments.
3. Calibrate, modify, rebuild.
4. Calculate emissions and overall uncertainty.
4 Steps to Adapting Global Datasets
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1. Decide on pools and fluxes to include.
2. Conduct accuracy assessments.
3. Calibrate, modify, rebuild.
4. Calculate emissions and overall uncertainty.
4 Steps to Adapting Global Datasets
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1. Decide on pools and fluxes to include.
2. Conduct accuracy assessments.
3. Calibrate, modify, rebuild.
4. Calculate emissions and overall uncertainty.
4 Steps to Adapting Global Datasets
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Step 2: Conduct accuracy assessments - Hansen dataset (AD)
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Step 2: Conduct accuracy assessments - Hansen dataset (AD)
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Step 2: Conduct accuracy assessments - Hansen dataset (AD)
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1. Decide on pools and fluxes to include.
2. Conduct accuracy assessments.
3. Calibrate, modify, rebuild.
4. Calculate emissions and overall uncertainty.
4 Steps to Adapting Global Datasets
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Saatchi et al. 2011
Step 3: Calibrate, modify, rebuild: biomass map (EF).
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Baccini et al. 2012
Step 3: Calibrate, modify, rebuild: biomass map.
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Saatchi et al. 2011 Baccini et al. 2011
Step 3: Calibrate, modify, rebuild: biomass map.
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R2 = 0.83
Step 3: Calibrate, modify, rebuild: biomass map.
N = 7575
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Step 3: Calibrate, modify, rebuild: biomass map.
Component Spatial Data: • Disturbance (Margono) • Elevation (USGS) • Forest soils (RePPProT)
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ANOVA F-Statistic = 311
Step 3: Calibrate, modify, rebuild: biomass map.
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Step 3: Calibrate, modify, rebuild: biomass map.
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1. Decide on pools and fluxes to include.
2. Conduct accuracy assessments.
3. Calibrate, modify, rebuild.
4. Calculate emissions and overall uncertainty.
4 Steps to Adapting Global Datasets
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Overall Uncertainty
Monte Carlo Simulation
Step 4: Calculate emissions and uncertainty.
𝑨𝑨𝑹𝑹 𝑺𝑺𝑺𝑺𝑹𝑹
𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝑫𝑫 𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍
𝑬𝑬𝑺𝑺𝒍𝒍
SE
SE
SE SE
SE
SE SE
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And the magic number is…
Step 4: Calculate emissions and uncertainty.
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8 million tonnes net CO2 Flux from land use change in Berau
every year between 2000 and 2010
Step 4: Calculate emissions and uncertainty.
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Step 4: Calculate emissions and uncertainty.
Biomass map and Forest Loss
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Step 4: Calculate emissions and uncertainty.
Parameters with “known” uncertainty
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Step 4: Calculate emissions and uncertainty.
Comprehensive uncertainty (including parameters with
“unknown” uncertainty)
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Historic LULUCF Carbon Emissions in Berau
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Extra Slides
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1. Decide on the pools and fluxes to include. 2. Conduct accuracy assessment of forest loss activity data. 3. Calibrate, modify, rebuild.
a. Compile forest strata data to build benchmark biomass map. b. Use GLAS to calculate average biomass per forest strata. c. Collect degradation activity data. d. Gather gain-loss degradation emissions data. e. Review literature for other input parameters.
4. Calculate emissions and uncertainty. a. Assign uncertainty envelope to all input parameters. b. Translate calculations into comprehensive emissions equation. c. Use Monte Carlo simulation to propagate uncertainty. d. Identify opportunities to reduce uncertainty.
4 Steps to Adapting Global Datasets
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∆𝑪𝑪 = ∆𝑪𝑪𝑳𝑳 − ∆𝑪𝑪𝑮𝑮 Gain-Loss Accounting
𝑨𝑨𝑫𝑫,𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝒍𝒍,𝑬𝑬𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍,𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝑹𝑹,𝑺𝑺𝑺𝑺𝑹𝑹
Mature Forest
Logged Forest
Non- Forest
∆𝑪𝑪 = ( 𝑨𝑨𝒍𝒍 ∗ 𝑬𝑬𝑺𝑺𝒍𝒍 + 𝑨𝑨𝑫𝑫 ∗ 𝑬𝑬𝑺𝑺𝑫𝑫) − ( 𝑨𝑨𝒍𝒍 ∗ 𝑺𝑺𝑺𝑺𝒍𝒍 + 𝑨𝑨𝑹𝑹 ∗ 𝑺𝑺𝑺𝑺𝑹𝑹)
Secondary Forest
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• Natural disturbance Forest Loss • Anthropogenic Forest Loss • Fire Emissions • Decay Emissions • Degradation from legal logging • Degradation from illegal logging • Degradation from fuel wood
collection • Degradation from low-intensity
fire • Secondary forest regrowth • Regrowth after degradation
• Natural disturbance Forest Loss • Anthropogenic Forest Loss • Fire Emissions • Decay Emissions • Degradation from legal logging • Degradation from illegal logging • Degradation from fuel wood
collection • Degradation from low-intensity
fire • Secondary forest regrowth • Regrowth after degradation
• Above-ground live woody biomass (AGLB)
• Below-ground live woody biomass (BGLB)
• Dead woody biomass (DB)
• Litter (LI)
• Soil carbon in wetlands (SCw)
• Soil carbon in uplands (SCu)
Pools Fluxes Step 1: Decide on the pools and fluxes to include.
• Above-ground live woody biomass
• Below-ground live woody biomass
• Dead woody biomass
• Litter (LI)
• Soil carbon in wetlands
• Soil carbon in uplands (SCu)
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Forest Loss Emissions
𝑨𝑨𝑫𝑫,𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝒍𝒍,𝑬𝑬𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍,𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝑹𝑹,𝑺𝑺𝑺𝑺𝑹𝑹
Mature Forest
Logged Forest
Non- Forest
Secondary Forest
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𝑬𝑬𝑺𝑺𝑫𝑫 TNC/Baccini
Forest Loss Emissions = Biomass Map
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Forest Loss Emissions = Biomass Map * Forest Loss
𝑬𝑬𝑺𝑺𝑫𝑫 ∗ 𝑨𝑨𝑫𝑫 TNC/Baccini * Hansen
8.4 million tonnes CO2 per year
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Area of Loss (Activity Data)
𝑨𝑨𝑫𝑫,𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝒍𝒍,𝑬𝑬𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍,𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝑹𝑹,𝑺𝑺𝑺𝑺𝑹𝑹
Mature Forest
Logged Forest
Non- Forest
Secondary Forest
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Emissions Factor (Biomass Map)
𝑨𝑨𝑫𝑫,𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝒍𝒍,𝑬𝑬𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍,𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝑹𝑹,𝑺𝑺𝑺𝑺𝑹𝑹
Mature Forest
Logged Forest
Non- Forest
Secondary Forest
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Logging Concession Name 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 20122000-2010 Average
PT INHUTANI 1 UNIT LABANAN 2046 2046 2046 0 0 0 0 1102 1790 1056 1526 1308 1250 10,087 PT INHUTANI 1 UNIT SAMBHARATA 1465 1465 1465 0 0 0 809 1433 1603 1127 1765 2223 1465 9,366 PT KARYA LESTARI 611 219 1090 971 657 834 537 527 183 0 0 682 633 5,631 PT WANABHAKTI PERSADA UTAMA 0 780 1114 222 431 64 164 258 182 688 861 1136 709 3,903 PT UTAMA DAMAI INDAH TIMBER 549 549 549 549 549 549 560 583 822 194 194 292 719 5,453 PT MARDHIKA INSAN MULYA 1200 1200 1900 1200 1200 1180 794 872 672 620 909 907 684 10,839 PT MARDHIKA TABALAR 291 291 291 291 291 291 291 291 291 503 592 697 381 3,118 PT RIZKI KACIDA REANA 314 314 314 314 314 314 314 314 314 411 540 719 411 3,235 PT DAISY TIMBER 258 421 716 108 27 160 740 804 557 354 0 0 869 4,146 PT SUMALINDO LESTARI JAYA IV 126 0 0 1532 958 1532 1047 1744 854 456 791 0 0 8,250 PT Amindo Wana Persada 0 0 167 0 0 169 346 516 310 236 432 0 0 1,743 PT ADITYA KIRANA MANDIRI 483 883 285 303 434 318 567 318 99 195 195 0 0 3,887 PT. Inhutani I unit Mera'ang 979 979 979 0 0 0 0 979 979 1572 489 1135 331 6,469 PT.Inhutani I (Unit Segah Hulu) 534 534 534 0 0 0 0 534 534 534 534 534 534 3,202 PT.Widya Artha Perdana 93 93 93 93 93 93 93 93 93 299 0 478 122 1,136 PT.Puji Sempurna Raharja 523 523 523 523 523 523 523 523 523 410 113 0 0 5,119 PT.KEDUNG MADU TROPICAL WOOD 123 123 123 123 123 123 123 123 123 14 54 63 133 1,120 PT.HANURATA COY 219 219 219 219 219 219 219 219 219 642 405 515 48 2,614 PT. SEGARA INDOCHEM & PT SEGARA TIMBER 152 152 152 152 152 152 152 152 152 53 22 220 479 1,417 PT.GUNUNG GAJAH ABADI 99 99 99 99 99 99 99 99 99 204 201 249 97 1,097
Total 10,065 10,889 12,659 6,699 6,070 6,619 7,378 11,484 10,399 9,569 9,622 11,158 8,864
Step 5: Collect degradation activity data.
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Step 6: Gather gain-loss degradation emissions data.
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Step 6: Review literature for other input parameters.
Step 7: Assign uncertainty envelope to all input parameters. Step 7: Assign uncertainty envelope to all input parameters.
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Emissions Drivers
Derived from "Spatial Plan" produced by the Ministry of Forestry in 2010. GIS data layer used for analysis comes via the World Resources Institute. ** Degradation in logging concessions includes forest loss detected by Hansen associated with Haul Roads (669 ha)
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Berau district boundary Forest loss 2000-2012 APL (mostly oil palm) HTI (timber plantation) HPH (logging concession) Protection forest
Emissions Drivers
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Reference Imagery: Landsat 2000
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Reference Imagery: SPOT 2009
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Hansen Change
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Forclime Change
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Error of Comission – red Error of Omission – orange No Error – green
Hansen Accuracy Assessment Results
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Error of Comission – red Error of Omission – orange No Error – green
Forclime Accuracy Assessment Results
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Forest Loss Accuracy Assessment: Results
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Geoscience Laser Altimeter System (GLAS) Step 4: Use GLAS to calculate average biomass per forest strata.
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r2 = 0.83
Step 4: Use GLAS to calculate average biomass per forest strata.
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Deforestation Over Time
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Emissions Over Time
9.9
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Logging Emissions
𝑨𝑨𝑫𝑫,𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝒍𝒍,𝑬𝑬𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍,𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝑹𝑹,𝑺𝑺𝑺𝑺𝑹𝑹
Mature Forest
Logged Forest
Non- Forest
Secondary Forest
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Step 9: Translate calculations into comprehensive emissions equation.
∆𝑪𝑪 = ∆𝑪𝑪𝑳𝑳 − ∆𝑪𝑪𝑮𝑮
𝑨𝑨𝑫𝑫,𝑬𝑬𝑺𝑺𝑫𝑫
𝑨𝑨𝒍𝒍,𝑬𝑬𝑺𝑺𝒍𝒍
𝑨𝑨𝒍𝒍,𝑺𝑺𝑺𝑺𝒍𝒍
𝑨𝑨𝑹𝑹,𝑺𝑺𝑺𝑺𝑹𝑹
Mature Forest
Logged Forest
Non- Forest
∆𝑪𝑪 = ( 𝑨𝑨𝒍𝒍 ∗ 𝑬𝑬𝑺𝑺𝒍𝒍 + 𝑨𝑨𝑫𝑫 ∗ 𝑬𝑬𝑺𝑺𝑫𝑫) − ( 𝑨𝑨𝒍𝒍 ∗ 𝑺𝑺𝑺𝑺𝒍𝒍 + 𝑨𝑨𝑹𝑹 ∗ 𝑺𝑺𝑺𝑺𝑹𝑹)
Secondary Forest
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TNC Approach: Gain-Loss Method
∆𝑪𝑪 = ∆𝑪𝑪𝑳𝑳 − ∆𝑪𝑪𝑮𝑮
Carbon Flux = (Defor Emissions + Logging Emissions) − (Defor Uptake + Logging Uptake)
Approach 3* Tier 3 Approach 2/3 Tier 3 Approach 3* Tier 2 Approach 2/3 Tier 3 Hansen TNC-Baccini Hansen/GOI TNC Hansen Lit Review Hansen/GOI STREK
Tier 3 Uncertainty Analysis
∆𝑪𝑪 = (𝑨𝑨𝑫𝑫 ∗ 𝑬𝑬𝑺𝑺𝑫𝑫 + 𝑨𝑨𝒍𝒍 ∗ 𝑬𝑬𝑺𝑺𝒍𝒍) −(𝑨𝑨𝑹𝑹 ∗ 𝑺𝑺𝑺𝑺𝑹𝑹 + 𝑨𝑨𝒍𝒍 ∗ 𝑺𝑺𝑺𝑺𝒍𝒍)
IPCC Gain–Loss Equation 2.4:
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Step 4: Calculate emissions and uncertainty.
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Step 11: Identify opportunities to reduce uncertainty.
AD
EF
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Compare to Other Estimates
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Forclime TNC MOFOR Method Stock-difference Gain-loss Stock-difference
Activity Data Foclime Landcover Maps
Hansen + Benchmark Biomass Map
MOFOR Landcover Maps
C Stocks Data MOFOR plots, other?
GLAS footprints (Baccini)
MOFOR Plots
Fluxes Loss, Logging, Regrowth
Loss, Logging, Regrowth
Loss, (Logging), Regrowth
Pools AG, BG AG, BG, SC, DC AG, BG?
Loss Factor Conversion-based Process- Based Conversion Based
Compare to Other Studies
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Historic LULUCF Carbon Emissions in Berau
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