@article{oai:tokyo-metro-u.repo.nii.ac.jp:00005463,
 author = {Mochizuki, Toshio and 望月, 利男},
 issue = {51},
 journal = {総合都市研究},
 month = {},
 note = {最近の東京の都市型水害の実態と水害常襲地帯の被災住民の対応等に関するアンケート調査および、総合治水対策などに関する区市町村行政職員の考え方・姿勢についてのアンケート調査結果を示す。まず1989年台風12号の被災地、目黒川沿いの低地であるJR五反田駅周辺の被災事業所でヒアリングを行うとともに神田川の氾濫による被災地で水害実態と住民の対応についてのアンケート調査を行い、都市型水害の実態と事業所や住民の備えを把握した。次いで、この水害と調査を契機に都がすすめている総合治水対策の目標をより高める方向性を探るために、行政の実務者に水害軽減の施策につき具体的な質問をした。筆者は下水道の整備・拡充、河川改修、高深度地下河川を主体とした(100mm/hrの降雨のうち90%をこのようなシステムで、lOmm/hrを流域対策で)治水対策の実現に疑問を持っているからである。投げかけた質問の多くに対し、行政担当者たちも迷っているようであり、回答が得られなかったり、強制力のない行政指導の限界・問題点を挙げる回答も目立った。本論の意図は雨水を流域保水力の回復でいかに負担するか、水害のリスクを流域全体でいかに公平に分担するかを読者と共に考えることにある。, The heavily urbanized ground of Tokyo has lost water -holding capacity and is affected by typhoons and heavy rainfalls almost every year. Rain water is collected by sewers which mostly empty into small and medium -sized rivers. Tokyo has been hit many times by torrential rainfalls beyond the capacity of the sewers and rivers，causing flooding. This type of flooding is called the 'urban flooding.' The government is promoting the improvement of sewer systems and the repair of rivers，but due to the intensive land use and high land prices，the progress of these projects is slow. The provisional target set by the Tokyo Metoropolitan Government (TMG) to make flood-prone areas resistant to a rainfall of 50 millimeters per hour has only been achieved in 53 % of Tokyo. The national government and the TMG therefore have launched the Comprehensive Flood Control Measures to increase rainwater retention，retarding and filtration functions of rivers and to strengthen the flood control ability of the community. But this project will only make Tokyo more resistant to an additional 10 millimeters per hour of rainfall. In this article the author reports on the survey results of flood damage in Tokyo caused by Typhoon No.19 in 1989 and Typhoon No.12 in 1993. The author also reports on the progress of the Comprehensive Flood Control Measures and results of a questionnaire survey on the views and opinions held by the staff of wards，cities，towns and a village in Tokyo. Some of the findings : 1) Flood control through large -scale civil engineering projects are too costly and take a long time to complete. There is a limit to how much further these projects can continue in Tokyo. 2) Residents living in areas chronically hit by floods are protecting themselves with insurance. Companies are also prepared to stop water flowing into their buildings. It seems that these protective measures by residents and corporations are the only ways to reduce flood damage. 3) Public transportation authorities should take measures to stop water flowing into railway and subway stations and over railway lines. 4) Wooden houses，apartments and wooden buildings of shops are particularly badly affected by flooding. Tokyo's fireproof building promotion project should be applied to these wooden buildings and houses., postprint},
 pages = {17--31},
 title = {最近の東京の水害と総合治水対策},
 year = {1993}
}