http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
지자체 농업가뭄 예·경보를 위한 미계측 저수지의 유입량 추정 및 평가
최정렬,윤현철,원창희,이병현,김병식,Choi, Jung-Ryel,Yoon, Hyeon-Cheol,Won, Chang-Hee,Lee, Byung-Hyun,Kim, Byung-Sik 한국수자원학회 2021 한국수자원학회논문집 Vol.54 No.6
When issuing forecasts and alerts for agricultural drought, the relevant ministries only rely on the observation data from the reservoirs managed by the Korea Rural Community Corporation, which creates gaps between the drought analysis results at the local (si/gun) governments and the droughts actually experienced by local residents. Closing these gaps requires detailed local geoinformation on reservoirs, which in turn requires the information on reservoirs managed by local governments across Korea. However, installing water level and flow measurement equipment at all of the reservoirs would not be reasonable in terms of operation and cost effectiveness, and an alternate approach is required to efficiently generate information. In light of the above, this study validates and calibrates the parameters of the TANK model for reservoir basins, divided them into groups based on the characteristics of different basins, and applies the grouped parameters to unmeasured local government reservoirs to estimate and assess inflow. The findings show that the average determinant coefficient and the NSE of the group using rice paddies and inclinations are 0.63 and 0.62, respectively, indicating better results compared with the basin area and effective storage factors (determinant coefficient: 0.49, NSE: 0.47). The findings indicate the possibility of utilizing the information regarding unmeasured reservoirs managed by local governments.
추태호,윤현철,노현석,고현수,Choo. Tai Ho,Yoon. Hyeon Cheol,Noh. Hyun Suk,Ko. Hyun Soo 한국방재학회 2013 한국방재학회논문집 Vol.13 No.6
산불로 인한 식생 전소로 토사표면이 노출됨에 따라 집중호우 시 토사유출로 인한 2차적 피해가 발생할 가능성이 높다. 토사재해를 저감하기 위해 사방사업 및 조림사업 등 다양한 방법으로 접근하고 있으나, 산불지역은 물론 인근 지역의 토사유출량이 정량적인 수치로 산정되지 않아 지역주민은 물론 대외적으로 그 위험성을 체감하지 못하고 있다. 따라서 본 연구에서는 GIS를 활용한 RUSLE(개정범용토양손실공식)을 적용하여 대상지역의 토사유출량과 토양침식량을 산정하였다. 또한 빈도별로 탄력적인 사방사업을 시행하는데 적용할 수 있도록 강우빈도별 토양침식량을 산정하여 토사재해 잠재지역을 시각적으로 제시하였다. As exposure of soil surface arises from completely burned vegetation caused by forest fire, the secondary damage is likely to happen due to sediment runoff during heavy rains. In order to mitigate sediment disaster the various methods have been conducted such as erosion control, forestation project and so on. However, the dangerousness is generally ignored because sediment yield can not be estimated by quantitative analysis in forest fire region as well as neighborhood. In the current study, therefore, the sediment yield and soil loss amount were estimated by using the RUSLE(Revised universal soil loss equation) based on GIS in study area. Also, the potential areas of soil disaster were visually proposed by estimating the soil loss amount each rainfall frequency to apply and implement erosion control project.
지리정보시스템을 이용한 산사태 위험지 판정에 관한 연구
추태호(Choo, Tai-Ho),윤현철(Yoon, Hyeon Cheol),배창연(Bae, Chang Yeon),손희삼(Son, Hee Sam) 한국산학기술학회 2014 한국산학기술학회논문지 Vol.15 No.8
본 우리나라는 산지가 많고 하절기에 연 강수량의 약 2/3정도가 집중적으로 발생하기 때문에 매년 산사태에 의한 피해가 발생하고 있다. 재산 및 인명을 보호하기 위해서는 사전에 산사태 발생지를 예측하고 피해를 최소화하기 위한 대책이 요구된다. 따라서 본 연구에서는 산사태 위험 판정을 평가하기 위해서 수치지형도, 수치임상도, 수치입지도, 수치지질도를 활용하여 산사태 위험지역을 추출하였다. 그리고 국립산림과학원에서 제시한 산사태 위험지 판정표를 기준으로 GIS 기법을 활용해 연구지역의 산사태 위험지를 판정을 1차와 2차에 걸쳐 분석하였으며, 현장조사를 통해 최종 위험지를 판정하였다. Landslides occur in Korea every year because it has numerous mountainous regions and approximately two-thirds of the annual rainfall falls in Summer. Therefore, it is important to predict potential areas of landslides and minimize the damage in advance to protect property and human life. Therefore, in the present study, the potential danger areas were extracted from a digital map, digital forest map, digital forest site environmental map, and digital geologic map to estimate the landslide hazard. In addition, the assessment of landslide danger was analyzed by first and second estimations based on the criteria from the Korea Forest Research Institute using a GIS technique, which was finally judged by a field investigation.