• Title/Summary/Keyword: The Resources Investigation

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Development of analysis technique of landslide hazards in natural slopes (자연사면 산사태재해 해석기법 개발)

  • Kim, Kyeong-Su;Song, Young-Suk;Cho, Yong-Chan;Chae, Byung-Gon
    • Proceedings of the Korean Geotechical Society Conference
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    • 2009.03a
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    • pp.1092-1099
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    • 2009
  • Landslide researches are divided to a method of interrelationship for various factors, method of predicting landslide possibility, and method of estimating landslide risk which are occurring landslides in the natural slope. Most of landslides occurred in natural slope are caused by a heavy rainfall in summer season. Weathered soil layer located in upper side of rock mass was occurred. As well as, they are announced to have an influence to geometry, geology, soil characteristics, and precipitation in the natural slope. In order to investigate and interpret the variety of landslides from field investigation to risk analysis, landslide analysis process due to geotechnical and geological opinions are systematically demanded. In this research, the study area is located in Macheon area, Gyeongsangnam-do and performed the landslide investigation. From the results of landslide investigation and analysis, optimized standard model based on natural landslide is proposed to high technical method of landslide investigation and interpretation.

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Development of Management Information System of Rural Environmental Resources (농촌환경자원의 정보관리시스템 구축)

  • Rhee, Sang-Young;Kim, Sang-Bum
    • Journal of Korean Society of Rural Planning
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    • v.13 no.1 s.34
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    • pp.73-84
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    • 2007
  • The first theme of this study is to preserve and manage rural multi-functionality resource Information. This study is to suggest the method that can irradiate rural multi-functionality resource Information efficiently and constructively. GIS uses PDA and Tablet PC as an investigation tool and verifies the outcome of the development in the investigation system. This study enhanced the mobility function of PDA by installing recording system and camera to the PDA. Also, Using GPS has been ensured scientific precision and realism to the investigation. Direct input on spot can save time, cost and minimize human error by simplifying the investigation process. Database is composed of characters like scale, form, location, distance, resident's opinion and image of 37 resources. The survey system was applied in 170 villages and got a total of 12,270 resources data. Management system should be easy to input and output the surveyed information and to get reports in any kind of form ( i.e. final result can be produced as a map). By utilizing of the Rural Resource information system, the study made a simulation to compare the target areas before and after. Also, digitalized investigation system, minimized re-input and reprocessing of data and enabled to simplify and standardize the process than memorandum investigation. Data collected through digital system could offer people useful information by Web-GIS. It was need to specify practical way in decision-making and a way to measure the value of resources to align with the regional plan. Also, need to keep on developing statistical data and application program that can connect us to present the best solution to support regional planning. Therefore, quality of data is very important. Finally, it is very important to develop various programs to analyze space md rural resource by monitoring rural environment.

Development of Investigation and Analysis Technique to Landslides and Its Application (산사태 조사.해석 기법의 개발 및 적용)

  • Kim, Kyeong-Su;Song, Young-Suk;Chae, Byung-Gon;Cho, Yong-Chan;Jeong, Gyo-Cheol
    • The Journal of Engineering Geology
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    • v.18 no.1
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    • pp.69-81
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    • 2008
  • Landslide researches are divided to a method of interrelationship for various factors, method of predicting landslide possibility, and method of estimating landslide risk which are occurring landslides in the natural slope. Most of landslides occurred in natural slope are caused by a heavy rainfall in summer season. Weathered soil layer located in upper side of rock mass was occurred. As well as, they are announced to have an influence to geometry, geology, soil characteristics, and precipitation in the natural slope. In order to investigate and interpret the variety of landslides from field investigation to risk analysis, landslide analysis process due to geotechnical and geological opinions are systematically demanded. In this research, the study area is located in Macheon area, Gyeongsangnam-do and performed the landslide investigation. From the results of landslide investigation and analysis, optimized standard model based on natural landslide is proposed to high technical method of landslide investigation and interpretation.

Investigation of Reflectance Distribution and Trend for the Double Ray Located in the Northwest of Tycho Crater

  • Yi, Eung Seok;Kim, Kyeong Ja;Choi, Yi Re;Kim, Yong Ha;Lee, Sung Soon;Lee, Seung Ryeol
    • Journal of Astronomy and Space Sciences
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    • v.32 no.2
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    • pp.161-166
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    • 2015
  • Analysis of lunar samples returned by the US Apollo missions revealed that the lunar highlands consist of anorthosite, plagioclase, pyroxene, and olivine; also, the lunar maria are composed of materials such as basalt and ilmenite. More recently, the remote sensing approach has enabled reduction of the time required to investigate the entire lunar surface, compared to the approach of returning samples. Moreover, remote sensing has also made it possible to determine the existence of specific minerals and to examine wide areas. In this paper, an investigation was performed on the reflectance distribution and its trend. The results were applied to the example of the double ray stretched in parallel lines from the Tycho crater to the third-quadrant of Mare Nubium. Basic research and background information for the investigation of lunar surface characteristics is also presented. For this research, resources aboard the SELenological and ENgineering Explorer (SELENE), a Japanese lunar probe, were used. These included the Multiband Imager (MI) in the Lunar Imager/Spectrometer (LISM). The data of these instruments were edited through the toolkit, an image editing and analysis tool, Exelis Visual Information Solution (ENVI).

Basic Investigation on the Water Resource Development of the Principal Riever Basins for All Weather Farming (전천후농업용수원 개발을 위한 중요하천 수계별 기본조사의 실시)

  • 임은진
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.9 no.2
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    • pp.1291-1295
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    • 1967
  • This paper is a brief description on the task of the basic investigation of the water resource development of the principal river basins in this country for all- weather farming. In order to show how the people in the nation can best be benefited by further development of the water resources of the basins, this paper includes a description of the in individual basin's resource, its needs and problems, and its present and future development of the water resources within the natural drainage basin of the rivers are listed and their over-all results are summarised in the investigation report and separately filled. It is hoped that the government should continue and expand its detailed investigations of potential projects within the each principal river basin to obtain adequate information by which the Union of Land improvement Association can formulate a comprehensive plan for use of all the water resources of the basin's and select and recommend projects for successive stages of development.

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Investigation of Potential Fire Hazard Resources of Bridges on National Routes by Field and Web-based Satellite (현장 및 실내조사를 통한 일반국도교량의 화재위험요소 분석)

  • Kim, Yongjae;Kim, Seungwon;Ann, Hojune;Kong, Jungsik;Park, Cheolwoo
    • International Journal of Highway Engineering
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    • v.19 no.6
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    • pp.105-115
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    • 2017
  • PURPOSES : The occurrence of unexpected disasters, including fire events, increases as the road network becomes complicated and traffic volume increases. When a fire event occurs on and under bridges, the damage extensively influences direct damage to structures, vehicles, and human life and secondary socioeconomic issues owing to traffic blockage. This study investigated potential fire-hazard risks on bridges of the Korean national route road. METHODS : The investigation was conducted using field investigation and analysis with satellite pictures and road views from commercial websites and the Bridge Management System (BMS). From the filed investigation, various potential fire resources were identified. The satellite pictures and road views were helpful in measuring and recognizing conditions underneath bridges, stowage areas, etc. RESULTS : There are various potential fire resources underneath bridges such as piled agricultural products, parked petroleum tanks, construction equipment, and attached high-voltage cables. A total of 94.6% of bridges have underneath clearances of less than 15 m. A bridge underneath volume that can stow a potential fire hazard resource was $7,332m^3$ on average, and most bridges have about $4,000m^3$ of space. Based on the BMS data, the amounts of PSC and steel girders were 29% and 25%, respectively. CONCLUSIONS : It was found that the amount of stowed potential fire hazard resources was proportional to the underneath space of bridges. Most bridges have less than 15 m of vertical clearance that can be considered as a critical value for a bridge fire. The fire risk investigation results should be helpful for developing bridge fire-protection tools.