産業連関表を利用した建築業の環境負荷推定

抄録

Using limited extension effect summation method based on the 1985, 1990 and 1995 Input / Output Tables in Japan, the environmental loads (material consummations and carbon emissions) from construction activities are estimated. Total Japanese carbon emissions are 1,053 Mt-CO_2 in 1985, 1,251 Mt-CO_2 in 1990, and 1,363 Mt-CO_2 in 1995. The percentages occupied by construction related of Japanese carbon emission are 40.9%in 1985, 42.8% in 1990, and 42.8% in 1995. Regard to carbon emission per unit floor area, the carbon emission from construction materials production is decreased, but the carbon emissions from transportation and processing process are increased.