Quantification of Carbon Reduction Effects of Domestic Wood Products for Valuation of Public Benefit

Abstract

This study was carried out to quantify degree of contribution of harvested wood product (HWP) on mitigation of climate change by valuation of public benefits, environmentally and economically. The potential carbon dioxide emission reduction of HWP was estimated by accounting carbon storage effect and substitution effect. Based on 2014 statistics of Korea Forest Service, domestic HWPs were sorted by two categories, such as wood products produced domestically from domestic and imported roundwood. The wood products were divided into seven items; sawnwood, plywood, particle board, fiberboard (MDF), paper (including pulp), biomass (wood pellet) and other products. The carbon stock of wood products and substitution effects during manufacturing process was evaluated by items. Based on the relevant carbon emission factor and life cycle analysis, the amount of carbon dioxide emission per unit volume on HWP was quantified. The amounts of carbon stock of HWP produced from domestic and from imported roundwood were 3.8 million tCO2eq., and 2.6 million tCO2eq., respectively. Also, each reduction of carbon emission by substitution effect of HWP produced from domestic and imported roundwood was 3.1 million tCO2eq. and 2.1 million tCO2eq., respectively. The results of this study, the amount of carbon emission reduction of HWP, can be effectively used as a basic data for promotion of wood utilization to revise and establish new wood utilization promotion policy such as 'forest carbon offset scheme', and 'carbon storage labeling system of HWP'.

Tree-Ring Analysis for Understanding Growth of Larix kaempferi

“…Woody materials, which are carbon composites, have a considerably greater carbon storage effect when used as lumber than when used as a rapidly decomposing fuel or pulp material (Chang et al, 2018). The proposed half-life for lumber by IPCC is 35 years, whereas that for paper is 2 years (Lee et al, 2021).…”