• Title/Summary/Keyword: 한국 지형학회

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Study of the UAV for Application Plans and Landscape Analysis (UAV를 이용한 경관분석 및 활용방안에 관한 기초연구)

  • Kim, Seung-Min
    • Journal of the Korean Institute of Traditional Landscape Architecture
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    • v.32 no.3
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    • pp.213-220
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    • 2014

  • This is the study to conduct the topographical analysis using the orthophotographic data from the waypoint flight using the UAV and constructed the system required for the automatic waypoint flight using the multicopter.. The results of the waypoint photographing are as follows. First, result of the waypoint flight over the area of 9.3ha, take time photogrammetry took 40 minutes in total. The multicopter have maintained the certain flight altitude and a constant speed that the accurate photographing was conducted over the waypoint determined by the ground station. Then, the effect of the photogrammetry was checked. Second, attached a digital camera to the multicopter which is lightweight and low in cost compared to the general photogrammetric unmanned airplane and then used it to check its mobility and economy. In addition, the matching of the photo data, and production of DEM and DXF files made it possible to analyze the topography. Third, produced the high resolution orthophoto(2cm) for the inside of the river and found out that the analysis is possible for the changes in vegetation and topography around the river. Fourth, It would be used for the more in-depth research on landscape analysis such as terrain analysis and visibility analysis. This method may be widely used to analyze the various terrains in cities and rivers. It can also be used for the landscape control such as cultural remains and tourist sites as well as the control of the cultural and historical resources such as the visibility analysis for the construction of DSM.

  • https://doi.org/10.14700/KITLA.2014.32.3.213 인용 PDF KSCI

Studies on the Physiological Chemistry of the Spring Habits in Naked Barley-with Special Reference to the Differentiation and Development of Young Spike (과맥의 파성에 대한 생리화학적 연구 -특히 유수의 분화 및 발육과정에 관하여-)

  • Sun-Young Choi
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.24 no.4
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    • pp.83-114
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    • 1979

  • These studies were, aimed at clarifying the relationship between the spring(winter) habits and the metabolism during the differentiation and development of young spike in naked barley. The pattern of change of nucleic phosphorus was paralleled to that of insoluble nitrogen in the normal heading type, showing their increase in the young spike and their decrease in the leaf at the stage of double ridges differentiation, respectively. However, in the rosetted type nucleic phosphorus remained at a constantly low level in both the young spike and the leaf, and insoluble nitrogen showed a considerably lower content in the young spike but a remarkable higher content in the leaf than that of the normal type. In addition to nucleic phosphorus and insoluble nitrogen, there were significant differences between the normal and the rosetted type in the content levels of PCA-soluble phosphorus, nonreducing sugar, crude starch and so on. Particularly, these differences were found even in the stage of bract differentiation, the vegetative phase, as well as in the reproductive phase. It appeared that nucleic phosphorus and insoluble nitrogen were closely concerned with the differentiation of double ridges, regardless of the varieties which are different in their spring habits.

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