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On previous studies using a hydraulic model experiment, we have expressed the\nice-jam-scale using the river ice velocity, width, thickness and length, and the river-width-reduction ratio\nand evaluate the attenuation ratio of the velocity of river ice with ice jam. However, no previous study has\ntaken into account the effects of branch river junction. In this study we carried out hydraulic experiments\nconsidering the effects of branch river junction and examined applicability of the ice-jam-scale. Furthermore,\nwe estimated the attenuation ratio of the velocity of river ice using the ice-jam-scale that we found\nby the two-dimensional non-uniform flow calculation and extracted the potential ice-jam locations with\nthe longitudinal variation of the cross-sectional profile.", "subitem_description_type": "Abstract"}]}, "item_3_full_name_183": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "89982", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Toyabe, Toshihito"}]}, {"nameIdentifiers": [{"nameIdentifier": "89983", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Yoshikawa, Yasuhiro"}]}, {"nameIdentifiers": [{"nameIdentifier": "89984", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Okabe, Hirokazu"}]}, {"nameIdentifiers": [{"nameIdentifier": "89985", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Tanaka, Tadahiko"}]}]}, "item_3_publisher_212": {"attribute_name": "\u51fa\u7248\u8005", 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