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The size distributions of ice floes can provide various kinds of information in defining design standards for structures against tsunami run-up. In this study sizes of ice floes after a tsunami event are measured using an image analysis technique and their size-distributions are investigated. A power-law dependence of the cumulative number of broken ice floes whose sizes larger than d was found; N(d) ~ d-\u03b1, which has been frequently observed in the geophysical and engineering contexts. Although there was an increasing deviation from the power law in some regions, the size distribution in four class-1 rivers and a lake was found to obey a power law with similar scaling exponents around 2.8.", "subitem_description_type": "Abstract"}]}, "item_3_full_name_183": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "41907", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "ABE, Takaaki"}]}, {"nameIdentifiers": [{"nameIdentifier": "41908", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "YOSHIKAWA, Yasuhiro"}]}, {"nameIdentifiers": [{"nameIdentifier": "41909", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "SATOH, Yoshishige"}]}, {"nameIdentifiers": [{"nameIdentifier": "41910", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "ITOH, Akashi"}]}]}, "item_3_publisher_212": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u516c\u76ca\u793e\u56e3\u6cd5\u4eba 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