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The Characteristics of the Floods and the Defense-Countermeasures from a Flood History Point of View on the Plains in the Lower Courses of the " Tokaigata-3 Rivers "

“东海泻三川”下游平原地区的洪水特征及从洪水历史角度的防御对策

基本信息

批准号：
09680443
负责人：
MATSUMOTO Shigeki
金额：
$ 0.77万
依托单位：
Shizuoka University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1997
资助国家：
日本
起止时间：
1997 至 1998
项目状态：
已结题

项目摘要

In this study, 'Toukaigata-3 Rivers' mean the rivers of the Fuji River, the Ohi River and the Tenryu River in Shizuoka Prefecture which have experienced floods many times in the historic times. For the developments of the plains in the lower courses of these rivers, there were a lot of gory struggles between floods and inhabitants without a break. In this study, the writer made researches in the floods on the plains of these rivers from a flood history point of view, and intended to make clear the characteristics of the floods in these rivers.According to the investigation on the floods since the beginning of the 16th century, the plains in the lower course of the Fuji River, the Ohi River and the Tenryu River suffered floods over 60, 130 and 100 times respectively. In the Fuji River, among those floods over 60 times, it became clear that there were very important two years holding the key to the solution of the questions of the flood history.One of them is the year which the huge embankments, 'Kariganezutsumi' were constructed along the left-hand side, by three generations of the father and child of Furugouri-Sigetaka, -Sigemasa and -Shigetoshi in 1674. Before this year, most of the floods flowed on the left-hand side plain, but after that, the floods were shifted to overflow on the right-band side plain. The other one was the year which the big earthquake, the so-called 'Ansei-Tokai-Jisin' , occurred in 1854. On the occasion of this earthquake, the active fault happened to occur along the riverbed from north to south, and the ground of the western side uplifted along the fault relatively. After that, the floods shifted again to the left-hand side plain, On the floods of the Fuji River and 'Toukaigata-3 Rivers, the writer has contributed a paper.

在本研究中，“东海形三河”是指在历史上多次发生洪水的静冈县富士河、大肥河和天龙河。为了开发这些河流下游的平原，洪水和居民之间进行了许多血腥的斗争，没有休息。本文从洪水史的角度对这些河流平原地区的洪水进行了研究，旨在弄清这些河流洪水的特点。根据对16世纪世纪初以来洪水的调查，富士川、大江和天龙川下游平原地区遭受了60多年的洪水，分别是130次和100次。在富士河的60次以上的洪水中，有两个年份是解决洪水历史问题的关键。其中之一是1674年，古里·实岳、实正、重利父子三代人在左手边沿着建造了巨大的建筑物“Kariganezutsumi”。在此之前，洪水大部分流向左侧平原，但在此之后，洪水转移到右侧平原溢出。另一个是1854年发生的大地震，即所谓的“安塞东海日新”。本次地震发生时，活动断层正好沿着河床由北向南发生，西侧地面沿着断层相对抬升。之后，洪水再次转移到左侧平原。关于富士川和东海形3川的洪水，笔者撰写了一篇论文。