CAJ | 학술논문

为了解决无资料地区的洪水计算问题，探讨了利用不同年份的遥感影像资料，结合历史洪水灾害资料，获取历史洪水事件发生时间、持续时间、淹没范围、灾害损失等洪灾信息的方法。以我国西部某变电站工程为例，利用不同年代高精度的遥感影像与DEM资料，以人工解译和自动解译相结合的识别方法，对相关区域内河道和冲沟的纵横向稳定性进行了分析，提取了河沟深度、宽度、比降等洪水计算所需的参数，最后计算得到了历史洪水参数，并进行了合理性分析。结果表明，所采用的方法计算过程直观，结果可靠，优于采用地形图分析历史洪水的方法，为无资料地区的设计洪水计算提供了新的手段。
위료해결무자료지구적홍수계산문제，탐토료이용불동년빈적요감영상자료，결합역사홍수재해자료，획취역사홍수사건발생시간、지속시간、엄몰범위、재해손실등홍재신식적방법。이아국서부모변전참공정위례，이용불동년대고정도적요감영상여DEM자료，이인공해역화자동해역상결합적식별방법，대상관구역내하도화충구적종횡향은정성진행료분석，제취료하구심도、관도、비강등홍수계산소수적삼수，최후계산득도료역사홍수삼수，병진행료합이성분석。결과표명，소채용적방법계산과정직관，결과가고，우우채용지형도분석역사홍수적방법，위무자료지구적설계홍수계산제공료신적수단。
For calculating design flood in un-gagaed area, the approach of acquiring flood disaster information such as occur-ring time, flood duration, inundation scope, disaster loss etc. by remote image data in different years and history flood disaster data was researched. Taking a transformer substation in the west China as a case, based on high-precision remote sensing ima-ges and DEM data in different years, the vertical and horizontal stability of rivers and gullies were analyzed by the recognition method that combines artificial interpretation and automatic interpretation, and the parameters for flood calculation such as gully depth, width, gradient etc. were extracted, and the history flood data can be obtained and the rationality was analyzed. The anal-ysis shows that the calculation approach is intuitive, the results are reliable and the approach is superior to history flood analysis approach by topographic map, and it provides a new approach for design flood calculation in un-gaged area.