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국가 재난 관리를 위한 원격탐사 자료 분석 및 활용 - 원격탐사기반 저수지 가뭄 관리를 중심으로 -
김성삼,이준우,구슬,김용민,Kim, Seongsam,Lee, Junwoo,Koo, Seul,Kim, Yongmin 대한원격탐사학회 2022 大韓遠隔探査學會誌 Vol.38 No.6
In modern society, human and social damages caused by natural disasters and frequent disaster accidents have been increased year by year. Prompt access to dangerous disaster sites that are inaccessible or inaccessible using state-of-the-art Earth observation equipment such as satellites, drones, and survey robots, and timely collection and analysis of meaningful disaster information. It can play an important role in protecting people's property and life throughout the entire disaster management cycle, such as responding to disaster sites and establishing mid-to long-term recovery plans. This special issue introduces the National Disaster Management Research Institute (NDMI)'s disaster management technology that utilizes various Earth observation platforms, such as mobile survey vehicles equipped with close-range disaster site survey sensors, drones, and survey robots, as well as satellite technology, which is a tool of remote earth observation. Major research achievements include detection of damage from water disasters using Google Earth Engine, mid- and long-term time series observation, detection of reservoir water bodies using Sentinel-1 Synthetic Aperture Radar (SAR) images and artificial intelligence, analysis of resident movement patterns in case of forest fire disasters, and data analysis of disaster safety research. Efficient integrated management and utilization plan research results are summarized. In addition, research results on scientific investigation activities on the causes of disasters using drones and survey robots during the investigation of inaccessible and dangerous disaster sites were described.
재난관리를 위한 GIS 역할과 소방방재 지리정보시스템 추진방향
김성삼(Seongsam Kim),정길섭(Gilseob Jeong),박영진(Youngjin Park) 대한공간정보학회 2012 한국공간정보학회 학술대회 Vol.2012 No.5
최근 복합?대형화되고 있는 자연재해?인적?사회적 재난들은 이를 효과적으로 예방, 대비, 대응, 복구를 위한 노력과 함께 보다 체계적인 국가차원의 방재정책과 과학적인 방재시스템 구축을 요구하고 있다. 2011년 동일본 지진해일 사례에서도 알 수 있듯이, 국가적 재난은 국가 존립과 국민의 안전에 직결되는 중대한 문제로 유사시 적시성있게 작동할 수 있는 방재시스템이 구축되어야 한다. 본 논문에서는 국가 재난관리에 있어 GIS와 공간정보의 역할과 현재 국가 주도로 추진되고 있는 소방방재 지리정보시스템(DGIS) 구축사업 현황 및 향후 추진방안에 대해 기술하였다.
김성삼(Kim, Seongsam),이종국(Lee, Jong KooK) 한국측량학회 2013 한국측량학회 학술대회자료집 Vol.2013 No.4
For rapid and effective disaster managegment and real-time monitoring, many scientific technologies have been developed. Especially, unmanned systems such as robots or UAVs are researched for surveilling and investigateing disaster areas. In this study, UAV capacities in the field of diaster management and its applications are descripbed.
RS/GIS 자료융합을 통한 국가 재난관리 및 조사·분석
김성삼 ( Seongsam Kim ),석재욱 ( Jaewook Suk ),이달근 ( Dalgeun Lee ),이준우 ( Junwoo Lee ) 대한원격탐사학회 2023 大韓遠隔探査學會誌 Vol.39 No.5
기후변화와 극한기상으로 유발된 다양한 자연재해와 사고로 전세계적으로 수많은 인명과 재산 피해가 발생하고 있다. International Charter와 같은 국제기구간의 상시 공조체계를 구축하고, 이러한 대규모 재난관리와 신속한 복구를 위해 고해상 위성영상 및 공간정보를 제공하고 있다. 국내에서는 국토위성이 본격적으로 정상 운용되면서 국토정보 구축뿐만 아니라 국내·외 대형 재난에 대해 피해분석 정보를 제공하고 있다. 이번 국립재난안전연구원 특별호에서는 2023년 주요 재난사고 발생 현황과 정부의 국가재난안전시스템 개편 대책을 기술하였다. 또한, 연구원에서 재난 상황관리 및 분석을 위해 수행하고 있는 인공위성과 정보통신, 공간정보 활용기술과 관련된 최신 연구성과와 재난사고 원인·피해조사를 위한 자료 수집·처리·분석과 관련된 최신 연구성과를 담았다. 아울러, 드론매핑(drone mapping)과 라이다(LiDAR) 관측기술을 활용한 2023년 집중호우로 인한 산사태 피해 현장조사 사례를 기술하였다. The global occurrence of myriad natural disasters and incidents, catalyzed by climate change and extreme meteorological conditions, has engendered substantial human and material losses. International organizations such as the International Charter have established an enduring collaborative framework for real-time coordination to provide high-resolution satellite imagery and geospatial information. These resources are instrumental in the management of large-scale disaster scenarios and the expeditious execution of recovery operations. At the national level, the operational deployment of advanced National Earth Observation Satellites, controlled by National Geographic Information Institute, has not only catalyzed the advancement of geospatial data but has also contributed to the provisioning of damage analysis data for significant domestic and international disaster events. This special edition of the National Disaster Management Research Institute delineates the contemporary landscape of major disaster incidents in the year 2023 and elucidates the strategic blueprint of the government’s national disaster safety system reform. Additionally, it encapsulates the most recent research accomplishments in the domains of artificial satellite systems, information and communication technology, and spatial information utilization, which are paramount in the institution’s disaster situation management and analysis efforts. Furthermore, the publication encompasses the most recent research findings relevant to data collection, processing, and analysis pertaining to disaster cause and damage extent. These findings are especially pertinent to the institute’s on-site investigation initiatives and are informed by cutting-edge technologies, including drone-based mapping and LiDAR observation, as evidenced by a case study involving the 2023 landslide damage resulting from concentrated heavy rainfall.
화학물질사고 피해영역 산출을 위한 드론맵핑 기반의 정규식생지수 활용방안 연구
임언택,정용한,김성삼,Lim, Eontaek,Jung, Yonghan,Kim, Seongsam 대한원격탐사학회 2022 大韓遠隔探査學會誌 Vol.38 No.6
The annual increase in chemical accidents is causing damage to life and the environment due to the spread and residual of substances. Environmental damage investigation is more difficult to determine the geographical scope and timing than human damage investigation. Considering the reality that there is a lack of professional investigation personnel, it is urgent to develop an efficient quantitative evaluation method. In order to improve this situation, this paper conducted a chemical accidents investigation using unmanned aerial vehicles(UAV) equipped with various sensors. The damaged area was calculated by Ortho-image and strength of agreement was calculated using the normalized difference vegetation index image. As a result, the Cohen's Kappa coefficient was 0.649 (threshold 0.7). However, there is a limitation in that analysis has been performed based on the pixel of the normalized difference vegetation index. Therefore, there is a need for a chemical accident investigation plan that overcomes the limitations.
드론센싱자료와 식생지수를 활용한 환경피해범위 산출 정확도 평가
임언택,정용한,김성삼,Eontaek Lim,Yonghan Jung,Seongsam Kim 대한원격탐사학회 2023 大韓遠隔探査學會誌 Vol.39 No.5
In this study, we explored a method for assessing the extent of damage caused by chemical substances at an accident site through the use of a vegetation index. Data collection involved the deployment of two different drone types, and the damaged area was determined using photogrammetry technology from the 3D point cloud data. To create a vegetation index image, we utilized spectral band data from a multi-spectral sensor to generate an orthoimage. Subsequently, we conducted statistical analyses of the accident site with respect to the damaged area using a predefined threshold value. The Kappa values for the vegetation index, based on the near-infrared band and the green band, were found to be 0.79 and 0.76, respectively. These results suggest that the vegetation index-based approach for analyzing damage areas can be effectively applied in investigations of chemical accidents.