CAJ | 학술논문

数字高程模型DEM作为基础空间数据，在众多领域有着广泛的应用。本文在油罗口水库大坝缺乏下游实测地形数据资料的情形下，以地形图数据和ArcGIS软件平台获取的计算域下游所需地面高程等信息为基础，应用BREACH软件及River2D水动力学模型模拟了水库下游溃坝洪水演进，采用Graham法估算了水库下游溃坝生命损失，初步得出油罗口水库大坝遭受重现期为5000a一遇洪水时，副坝发生管涌破坏溃决导致的生命损失风险是不可容忍的。由此也可以让水库管理决策人员对水库溃坝洪水可能造成的后果做到心中有数，做好日常的防洪调度及应急预案编制工作，最大程度保障水库下游人民群众生命安全，防止灾害的发生。
수자고정모형DEM작위기출공간수거，재음다영역유착엄범적응용。본문재유라구수고대패결핍하유실측지형수거자료적정형하，이지형도수거화ArcGIS연건평태획취적계산역하유소수지면고정등신식위기출，응용BREACH연건급River2D수동역학모형모의료수고하유궤패홍수연진，채용Graham법고산료수고하유궤패생명손실，초보득출유라구수고대패조수중현기위5000a일우홍수시，부패발생관용파배궤결도치적생명손실풍험시불가용인적。유차야가이양수고관리결책인원대수고궤패홍수가능조성적후과주도심중유수，주호일상적방홍조도급응급예안편제공작，최대정도보장수고하유인민군음생명안전，방지재해적발생。
Digital Elevation Model(DEM) as a basis for spatial data in many fields have a wide range of appli-cations.In this paper,under lack of data of Youluokou dam downstream,on actual terrain situations,the com-putational domain downstream with topographic data and ArcGIS software platform to get the required informa-tion such as ground elevation,based on the application software and River2D BREACH hydrodynamic model simulations Reservoir dam downstream flood evolution ,estimated the loss of life downstream dam reservoir us-ing the Graham method,when the preliminary draw Youluokou dam suffered 5000 year return period flood,the auxiliary dam outburst resulted in loss of life and damage to the occurrence of piping risk is intolerable.It can also make reservoir management decision-makers of the consequences of dam failure which cause flooding to be aware and do the daily flood control scheduling and preparation of contingency plans ,the maximum level of protection of the safety of the people downstream of the reservoir ,to prevent the occurrence of disasters.