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Table 4 Percentage difference in HWP contribution relative to the Base scenario

From: Estimating New Zealand’s harvested wood products carbon stocks and stock changes

 ScenarioBackfill method 1900–1960Product conversionYearSC (%)AF (%)P (%)
BaseOceania UNZ-specific1990
S1NZ dataNZ-specific19903.10.80.9
S2NZ dataNZ (variable D)19900.30.8− 0.4
S3Oceania UIPCC default19901.83.63.3
S4NZ dataIPCC default19905.14.44.3
BaseOceania UNZ-specific2017
S1NZ dataNZ-specific20171.30.10.2%
S2NZ dataNZ (variable D)20172.50.5− 0.
S3Oceania UIPCC default20174.26.46.3
S4NZ dataIPCC default20175.66.56.4
BaseOceania UNZ-specificChange 1990–2017
S1NZ dataNZ-specificChange 1990–20175.00.20.3
S2NZ dataNZ (variable D)Change 1990–20179.50.6− 0.2
S3Oceania UIPCC defaultChange 1990–201715.78.59.2
S4NZ dataIPCC defaultChange 1990–201720.98.79.5
  1. Stock change (SC), Atmospheric Flow (AF) and Production (P) Approaches under a range of scenarios varying in product conversions and backfilling data. Positive values increase the HWP pool contribution (i.e. reduce net emissions)
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