• Title/Summary/Keyword: geomorphology analysis

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A Study on Contemporary Architecture Space from a view of structural Geomorphology (구조 지형학적 관점에서 본 현대 건축 공간에 관한 연구)

  • Jung, Woo-Suk;Lim, Jong-Yup
    • Proceedings of the Korean Institute of Interior Design Conference
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    • 2006.11a
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    • pp.219-222
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    • 2006
  • Architecture is builded on the ground and affected environment which include shape of topography and situation. What this study saying is the analysis about the relation between the concept of structural geomorphology and the space modern architecture. As there are many issue about boundary of space and organic architecture, It is important what study about structural geomorphology In paper, we will aware that there are many similarities between architecture and topography. Notion of folded structure in structural geomorphology is connected with continuity or infinity. This is one of many example.

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The Coastal Geomorphology in General of Korea - Research Trends and Issues - (한국의 지형학 연구 - 해안지형 일반 -)

  • Kim, Sung Hwan
    • Journal of The Geomorphological Association of Korea
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    • v.19 no.1
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    • pp.1-15
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    • 2012
  • The purpose of this study is to review research trends and issues of coastal geomorphology in general of Korea, which is divided into two periods; the former and later periods of 1990s when The Korean Geomorphological Society was established. In this study, coastal geomorphology in general refers to the landforms except tidal flats and coastal terraces. The descriptive statistics of research papers published in 5 major geography journals since 1990s were computed and these papers were classified according to their main subjects. The methodology for coastal landform study was analyzed by sub-fields of landform change and sediment analysis. The study of coastal geomorphology in Korea started from around 1970s and has progressed significantly in terms of the scope and the number of papers published since 1990s. There is few paper published in 1990s on coastal geomorphology in general, but so many research has achieved and came to be the major part of coastal geomorphology study since 2000s. Further methodology is necessary for morphodynamics study in the future.

A Study of Regional Geomorphology in the Chugaryeong Tectonic Valley, Central Korea (추가령 구조곡의 지역지형 연구)

  • Lee, Min-Boo;Lee, Gwang-Ryul
    • Journal of the Korean Geographical Society
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    • v.51 no.4
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    • pp.473-490
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    • 2016
  • This study aims to analyze the regional geomorphology of the Chugaryeong Tectonic Valley which has been one of the most important areas for Korean geomorphological research. Though the Chugaryeong Tectonic Valley has been thought important for the tectonic settings and orographic processes in Korea, geomorphological and geological discussions still are sustaining for finding out evidences of the settings. The Chugaryeong valley region has many geomorphic themes such as tectonic structure, volcanics, river, mountain, terrace, lake and sediment layers. The research of the valley focuses on the comprehensive analysis of the previous references mainly including geomorphic naming, geomorphology and geology, and history of the study for estimating the origin of tectonic valley, formation of the lave plateau, change of river structure by dissection, restoration of the landform before lava eruption, and the processes and age dating of the various landforms. Conclusively, the Chugaryeong Tectonic Valley may be recognized as the linear region of the tectonic and volcanic landforms with other various applied geomorphic settings.

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The Regional Geomorphology of Dokdo(Volcanic Island) (독도의 지형지(地形誌))

  • Jeon, Young-Gweon
    • Journal of the Korean association of regional geographers
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    • v.11 no.1
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    • pp.19-28
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    • 2005
  • Although Dokdo, small and dependent islands of Ulleung County, can be considered critical in terms of both geo-politics and physical geography, it is clear that Korean geographers have been too silent tn study Dokdo. In the author's view, such tendency is partly due to difficulties in access to Dokdo. In this sense this study would be meaningful for inquiring into the regional geomorphology of Dokdo regardless of only three-day field work. The major findings of the study are as follows. Firstly, the geology of Dokdo is composed of 8 rock units. Secondly, in a slope analysis of Dokdo volcano using GIS tool, steep slopes over $26^{\circ}$ account for 79.1% of whole slopes and even free faces, defined as slopes over $40^{\circ}$, account for 65.4%. Thirdly, the main landforms of Dokdo constitute volcanic landform, coastal landform and the others, such as talus, dyke, tafoni and erosional hollow. Fourthly, it turns out that advanced landform classification map of Dokdo can be designed by taking an approach tn regional geomorphology. Finally, based on a detailed review of the latest geological literature, I argue that part of landforms of East Dokdo(dongdo) is closer tn an erosional hollow than a small crater.

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Geological Approach for Use Interpretation of a Cultural Heritage Site at Gochon-ri, Busan (부산 고촌지구 문화유적지의 용도해석을 위한 지질학적 접근)

  • Lee, Min-Joo;Han, Seung-Rok;Paik, In-Sung;Kim, Young-Seog
    • The Journal of Engineering Geology
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    • v.19 no.3
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    • pp.373-387
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    • 2009
  • Many cultural heritages with various periods including the 'Three Kingdoms Period' were discovered in Chulmamyeon, Busan. Detailed geomorphological and geological investigation was performed due to archaeological importance of the study area. Aerial photographic analysis for geomorphology and analysis of vertical sedimentary sections to interpret the sedimentary characteristics were carried out. Many pebbles with specific features were discovered during the investigation. The characteristics and origin of the pebbles are analysed based on their size, rock type and shape. The study area is located in a relatively low and gentle slope compared with neighboring regions. The strong N-S trending lineaments may influence the topographic features and the distribution of wells discovered in this area. The exposed sections during excavation are divided into several layers depending on colors and materials included. Some of the layers may be developed not by nature but by human activities. The similarity of the pebbles indicates that these pebbles may artificially be collected or produced for a specific purpose. This study shows that geomorphology and geology can be important in location and development of archaeological sites. The analysis and interpretation for the origin of the pebbles indicates that geological studies can be helpful to interpretation of archaeological studies.

Numerical analysis of lateral geomorphology changes by channel bed deposition and bank erosion at the river confluence section (합류부 구간에서의 하상퇴적과 하안침식에 의한 평면적 하도변화 수치모의)

  • Ji, Un;Jang, Eun Kyung
    • Journal of Korea Water Resources Association
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    • v.49 no.5
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    • pp.391-398
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    • 2016
  • The confluence section of rivers forms complex flow pattern due to inflow discharge variation at the mainstream and tributary. Due to complex flow characteristics, bed change and bank erosion at the local section produce lateral geomorphology changes in rivers. In this study, bankline change by bank erosion and bed change were simulated using CCHE2D of 2-dimensional numerical model for quantitative analysis of lateral changes in the confluence section of South Han River and Geumdang Stream. As a result, bankline at the left-side channel of the mainstream was largely changed in the downstream section of the confluence compared to the upstream section. Also, bank erosion in the tributary was hardly occurred and bankline at the left-side tributary and right-side main stream moved to riverside land due to decreased velocity and deposition.

The Role of Geomorphology·Geology in Prehistoric Petroglyph Research - Hadong Mukgyeri's Stone Monument as an Example - (선사 암각화 연구에서의 지형·지질학의 역할 - 하동 묵계리 석물을 사례로 -)

  • Yang, Dong-Yoon;Han, Min;Kim, Seong-Won
    • Journal of The Geomorphological Association of Korea
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    • v.27 no.3
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    • pp.105-121
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    • 2020
  • There has been a lot of controversy over the claim that ancient characters were engraved on a stone plane collected near the Samsin Mountain in Hadong-gun, and that it was used as an altar based on the contents on the stone. The importance of the role of geoscience in prehistoric petroglyph research was presented through analysis and comparison with representative domestic petroglyphs. First, by examining the geological formation process of the collected stone objects, it proved that prehistoric actions were not applied. Second, as a result of comparative analysis from the viewpoints of human geography and topography with representative petroglyphs in Korea, it is unreasonable to argue that the stone was made for an altar. Third, it is considered that among the ancient characters under debate, the straight line indicates a cleavage of carbonate minerals, and the curved shape results from the growth of lichens. Finally, we propose that reproducing the lines found on the stone was impossible by using ancient techniques, and that there was no trace of any artificial actions applied to the spots considered to be curved characters. As shown in such research cases, the results of petroglyph research will have high reliability, if research by experts in each field continues after the geoscientific basis is secured. In this respect, the contribution of Earth science to cultural assets and archeology is expected to increase in the future.

Evaluation of Stream Flow Data Observed in the Pyungchang River Basin Using the IHACRES Model (IHACRES 모형을 이용한 평창강 유역 내 관측 유량자료의 평가)

  • Park, Yong-Hee;Yoo, Chul-Sang
    • Journal of the Korean Society of Hazard Mitigation
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    • v.8 no.4
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    • pp.123-133
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    • 2008
  • This study evaluated the runoff data collected at 12 stream gauge stations of the Chungjoo dam basin using the IHACRES model. Especially, the geomorphology-related parameters of the IHACRES model could be quantified base on the regionalization technique, which have also been applied many stream gauge stations of the Chungjoo dam basin. Summarizing the results is as follows. (1) The climate-related parameters of the IHACRES model c, $\tau_w{^0}$, and f are found to be estimated and used uniformly over the basin. (2) The geomorphology-related parameters of the IHACRES model $t_q,\;t_s,\;and\;v_s$ are found to be estimated by considering the geomorphological parameters like the basin area, channel length, channel slope, basin slope through the regionalization based on the regression analysis. (3) Using the climate-related parameters applied uniformly over the basin and the geomorphology-related parameters estimated based on the regionalization procedure for each stream gauge station, a total of 12 stream gauge stations have been evaluated with their stream flow measurements. As results, the Sanganmi and Youngwal 1 stream gauge stations have been found to make high quality flow data, but Youngwal, Baekokpo, and Panwoon stations low quality flow data. On the whole, 12 stream gauge stations considered show large differences with their data quality, so a plan for securing more consistent data quality should be prepared imminently.

The Type of Dwelling Sites of Ancient People and Excavation-Recommended Spot in the Viewpoint of Geomorphology - 'Ohnju Region Urban Development Business Site' as an Example - (지형학적 관점에서 본 고대인의 생활터전 유형 및 시굴 추천지점 -충남 아산 '온주지구 도시개발 사업부지'를 사례로-)

  • Park, Ji-Hoon
    • The Korean Journal of Quaternary Research
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    • v.25 no.2
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    • pp.25-37
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    • 2011
  • The purpose of this study is to assume the particular area of hills where it is highly possible for historical site to be buried in the viewpoint of geomorphology and based on this to suggest excavation-recommended area. Namely, this writer is to understand the dwelling site type of ancient people who had resided there at that time for the object of 'Ohnju region urban development business site' (referred as investigation area hereinafter) and considering the characteristics of micro-landform of hills which are distributed in investigation area and is to recommend the area where it is highly possible for historical site to be buried. The result of analysis is like the following. (1) Dwelling site types of ancient people who might have resided in the whole area of investigation region are discovered to be largely 'low hills+wetland' of Type-I and 'alluvial fan(or river terrace+wetland' of Type-II. (2) In investigation area if the area which has high possibility of distribution of historical site namely, excavation-recommended area is looked as based on micro-landform unit of hills, they are Crest slope and Crest flat. Individual area ratios which Crest slope and Crest flat occupies in investigation area are 12.9% and 10.2% respectively and the rankings are 3 and 6 each. And excavation-recommended areas in valley plain(or bottomland) of investigation area are in the vicinity of 'distal end' or 'buried distal end'of small scale alluvial fan.

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