A STUDY ON IMPACTS TO INTERREGIONAL COMMODITY FLOW AND FREIGHT TRANSPORT BY VOLCANIC ASH FALL

Abstract

Volcanic ash produced by volcano eruption spreads widely within a short time. The ash fall directly disrupts road transport network and indirectly in uences to interregional commodity flow. This paper applies an integrated commodity flow model to assessment of economic and transport impacts caused by volcanic ash fall. We apply the model to the two active volcanos, Mt. Fuji and Mt. Asama, whose ash fall may affect to Kanto region. The results show changes in link flow, link cost, and O-D commodity flow quantitatively.