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Official Journal of the Japan Wood Research Society

Table 2 GHG emission intensities

From: Life cycle greenhouse gas emissions of woodchip-paved walkways using tsunami salt-damaged wood: examination in Otsuchi, Iwate Prefecture

 

Unit

CO2

CH4

N2O

GHG total

Scope of assessment

References

Wood harvesting

kg-CO2-eq/m3

5.5500

0.2278

0.0480

5.8258

Thinning with wood use

[19]

Transportation by two-ton truck

kg-CO2-eq/t·km

0.2193

0.0083

0.0011

0.2287

Resource extraction ~ fuel production ~ fuel combustion

[20]

Raw material production for adhesive

kg-CO2-eq/kg

3.6232

0.0017

0.0002

3.6252

Resource extraction ~ transportation ~ raw material production

[20]

Adhesive production

kg-CO2-eq/kg

0.2500

0.2500

Adhesive production (synthesis of raw materials)

a

Electric power consumption

kg-CO2-eq/kWh

0.5826

0.0064

0.0192

0.6082

Resource extraction ~ electric power generation

[20]b

Light oil combustion

kg-CO2-eq/L

2.8207

0.1073

0.0140

2.9420

Resource extraction ~ light oil production ~ light oil combustion

[20]

A-type heavy oil combustion

kg-CO2-eq/L

2.9891

0.1137

0.0148

3.1176

Resource extraction ~ heavy oil production ~ heavy oil combustion

[20]

Woodchip combustion

kg-CO2-eq/m3

0.0025

0.0002

0.0027

Woodchip combustion

[20]

  1. aAn interview survey with the adhesive manufacturer
  2. bThe value of Tohoku Electric Power Co., Inc