STORM SURGE INUNDATION PREDICTION IN OSAKA PORT DUE TO COMPLEX COASTAL DISASTER OF HUGE EARTHQUAKE AND TYPHOON

Abstract

 There has been concerns about catastrophic storm surge disaster under the intensification of typhoon and sea level rise due to the global warming. In the case that the subsidence of ground level occurs after earthquake, there is possibility of further huge inundation disaster. Thus, it would be of importance that countermeasures against storm surge after earthquake is taken because the occurrence possibility of Nankai trough huge earthquake is feared. In this study, storm surge inundation simulations were conducted under the circumstance that Second Muroto typhoon or virtual Super Muroto typhoon hits Osaka Port after Nankai trough huge earthquake. As a result, coastal area would have had much higher risk for human and property in the case that coastal and riverine facilities fail to function.