FIELD INVESTIGATION OF DISASTERS IN SRI LANKAN RIVERS CAUSED BY THE 2004 INDIAN OCEAN TSUNAMI
AN OUTLINE OF HEAVY RAINFALL DISASTERS IN HIDAKA REGION, HOKKAIDO CAUSED BY TYPHOON NO.10 IN 2003
CALCULATIONS OF THE CONCENTRATION OF RADIONUCLIDES(CS-137, SR-90, PU-239/240)IN THE PACIFIC OCEAN
A Study on a Wind Field When a Cold Air Flow That Causes Snowfall Around Sapporo
Design and construction of terminal joint in the Tama River and Kawasaki Fairway tunnels