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Table 3 Treatment of carbon inflows and outflows in forest and HWP pools in each HWP approach

From: Assessing the contribution of harvested wood products under greenhouse gas estimation: accounting under the Paris Agreement and the potential for double-counting among the choice of approaches

Carbon transfersPool-based approachesFlux-based approaches
IOSCPSCADSimpleAF
On-site absorptionFL C gainFL C gainFL C gainFL C gainFL C gainFL C gain
On-site emissionsFL C lossFL C lossFL C lossFL C lossFL C lossFL C loss
Off-site emissionsFL C lossFL C lossFL C lossFL C lossFL C lossFL C loss
from FL to HWP as DUFL C lossFL C loss
HWP C gain
FL C loss
HWP C gain
FL C loss
HWP C gain
from FL to exported HWPFL C lossFL C lossFL C loss
HWP C gain
FL C loss
from FL (in other countries) to imported HWPHWP C gain
from HWP as DU to atmosphereHWP C lossHWP C lossHWP C lossHWP C lossHWP C loss
from exported HWP to atmosphereHWP C lossHWP C loss
from imported HWP to atmosphereHWP C lossHWP C loss
  1. IO instantaneous oxidation, SC stock-change approach, P production approach, SCAD stock change approach for HWP of domestic origin, Simple simple-decay approach, AF atmospheric-flow approach, FL forest land, C carbon, DU domestically utilized wood