• The Korean Journal of Quaternary Research
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• v.34 no.1
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• pp.1-13
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• 2024

Lagoon, attributed to the postglacial sea-level rise, has experienced rapid geomorphological changes due to increasing human impact. This study tried to infer how rapidly increasing human impact during the Holocene affects on geomorphological changes of lagoons and their surroundings, especially on Cheongchoho, Gyeongpoho and Pungho with significant changes in area and shapes. It was confirmed that the period of rapid artificial change commonly began in the 1960s to 1970s and geomorphological landscape rapidly changed since human impact intensified afterward. Intensive development not only affected on depth, area and shape changes, but also had significant impacts on water environment and biodiversity, attributed to disturbed flow between freshwater and seawater due to dredging and the installation of artificial structures. Lastly, various types of human impact were observed to be complexly interrelated, which seems to be associated with the geomorphologic process influenced by both terrestrial and marine environments. It is thought to be the result of complex interactions between humans who develop and utilize the terrain and changes in environmental conditions.

• 한국지구과학회:학술대회논문집
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• 2010.04a
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• pp.65-65
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• 2010

지구상의 광물, 암석, 화석 그리고 지질구조, 지형 등의 개개의 지형 지질학적 요소의 특성과 다른 대상과의 상호관계를 지질다양성이라고 한다. 지질다양성은 지형 지질에 내재되어 있는 본질적, 문화적, 심미적, 경제적, 기능적, 연구 및 교육적 가치를 이해하고 보전함으로써 유지 할 수 있다. 이 연구는 지질다양성에 대한 흥미와 이해를 높이기 위해 학술적 보전 가치가 있는 강원도 영월지역을 선정하여 그 특징을 분석하고 지질다양성을 효율적으로 활용하는 방안을 제언하고자 한다. 강원도 영월지역의 지질다양성에 대한 조사는 지형경관 자원과 지질특성의 희소성, 대표성, 학문적 가치 및 활용가치에 중점을 두고 전문가와 협의하여 보존가치가 있고 지리적으로 접근하기 편리한 노두 8곳을 선별하였다. 선별된 8곳의 노두는 고생대의 암석과 지층, 뚜렷한 퇴적구조, 화석, 규모가 크고 전형적인 하천지형이 나타나는 곳으로 지질유산(지형 지질)의 내재적 가치와 지구과학적 이해를 도울 수 있는 대상지이다. 대상지의 지질다양성에 대한 조사를 토대로 야외 지질학습장과 지질공원 및 지질명소, 과학적 특별흥미지역 등을 개발하여 제공함으로써 지형 지질에 대한 자기주도적 학습 능력 신장과 지구과학에 대한 흥미와 이해를 증진시키는 장을 마련해 줄 수 있을 것이다. 또한 과학적 가치와 더불어 사회적, 문화적 가치를 부여하여 보전함으로써 지질유산(지형 지질)에 대한 새로운 시각이 생길 것이다.

• Journal of The Geomorphological Association of Korea
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• v.19 no.3
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• pp.135-142
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• 2012

The map drawn on a scale of 1 to 50,000, modern Korea map drawn on a scale of 1 to 50,000 made by Japanese colonial era in 1910s, is the first topographical map using modern technical method. The map has been mainly used in human activities and geographic viewpoint, recently it is available on various field with recognizing high accuracy. It is especially expected that the map will provide us with lots of information on long-term change of topography in field of coastal area which is built on coastal structure. This study presents a method for analyzing before and after geographic change of coastal structure in independent drift sand system. The reference point to analyze long-term coastal geographic change was selected the map of 1910s.

• Journal of The Geomorphological Association of Korea
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• v.26 no.1
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• pp.79-91
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• 2019

This study analyzed the distribution of fluvial landforms, fault-related geomorphic features and lineaments around the area of Ungchon-Ungsang in the Dongrae Fault, and discusses the charateristics of geomorphic development based on those. As a result, the NE-SW lineaments are predominantly developed in many numbers within the study area, and the NW-SE or N-S secondary lineaments are developed induced by multiple deformation with the Yangsan Fault. Geomorphologically, the early tectonic history of the Ungchon-Ungsang basin is largely divided into three stages ; 1) the Tertiary fault activity and formation of fracture zone, 2) development of erosional basin, 3) local crustal movements and development of fault-related topography. It is assumed that alluvial fans, deflected channel and stream piracy were formed by local tectonic movements related to faultings during the Quaternary.

• Proceedings of the Korea Information Processing Society Conference
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• 2016.10a
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• pp.494-496
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• 2016

현대 사회에서 교육, 군대, 산업은 언제나 사람들에게 관심이 높은 분야이다. 본 논문에서는 이 세 가지 분야에서 유용하게 사용될 수 있으며 잠재력과 가능성 또한 무한한 솔루션을 제안한다. 본 논문이 제안하는 프로그램은 카메라가 보는 지형을 3D 지형으로 실시간으로 시뮬레이션 할 수 있는 시스템 개발에 목적을 두고 있다. 사용자가 모래를 이용해 원하는 지형을 구축하고, 개발된 소프트웨어를 이용하여 가상 3D 지형을 확인할 수 있는 프로그램을 연구한다.

• Proceedings of the Korea Society for Simulation Conference
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• 2001.05a
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• pp.125-125
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• 2001

실 지형정보를 이용한 3D 가상환경은 사용자에게 좀 더 현실에 가까운 교육환경을 제공한다. 3D 가상환경에 사용되는 지형정보는 mesh를 생성하기 위한 고도 data와 mapping을 위한 위성영상이나 항공사진 등이 사용된다. 고도 데이터는 DEM,DTED와 같은 데이터 포맷이 있는데 해상도에 따라 초단위 또는 M 단위로 다양하게 분류되어 있으며 위성영상이나 항공사진도 해상도에 따라 50M∼10Cm 까지 다양하여 사용목적에 맞는 데이터 선택이 필요하다. 고도데이터와 mapping 데이터를 이용하여 기본적인 3D 지형을 생성한 후에 안개나 비, 눈, 빛, 구름과 같은 기상환경을 시뮬레이션하거나 건물이나 이정표, 또는 텍스트 같은 사용자 정보를 Vector overlay 하여 좀 더 현실감 있는 3D 가상환경을 만들 수 있다. 최근에는 인터넷이 일반화되면서 네트웍을 통해 지명데이터를 전송하고 렌더링 하고자 하는 요구가 발생하고 있다. 그러나 3차원 가상환경을 위한 지형 데이터는 2D 데이터에 비해 크기가 크고 고사양의 하드웨어사양을 필요로 하여 네트웍을 통해 전송하고 랜더링 하기에는 여러 가지 제약이 따른다. 이러한 재약을 극복하기 위해 데이터를 한꺼번에 전송하지 않고 점진적으로 전송하고자 하는 연구가 많이 있어 왔으며 점진적 메쉬나 딜로니 규칙에 기반한 TIN 압축 점진적 시각화 기법, DEM 웨이블릿 변환을 적용한 저장, 전송 렌더링 하고자 하는 연구가 시도되어 왔다.

• Journal of The Geomorphological Association of Korea
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• v.18 no.4
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• pp.79-96
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• 2011

Volcanic landforms are classified into the volcanic edifice produced through constructive processes of eruption and the crater generated by destructive processes of eruption. Both landforms are distributed around Korean Peninsula including attaching islands. However, only a few regions such as Mt. Baekdu, Jeju Island, Ulleung Island, and Chugaryeong, which are closely related with the volcanic eruption occurred during the Quaternary, could be considered as a volcanic landform. It results in categorizing the volcanic landform as an unusual topography in Korea. The study of Korean researchers on the volcanic landform were regularized in 1970s on Jeju Island, in 1980s on Ulleung Island, and in 1990s on Mt. Baekdu, respectively. Oreums and lava tubes in Jeju Island have been also examined since 1980s. Compared with other fields of geomorphology, researches as well as researchers on the volcanic landform are very few in Korea. Geomorphologists are expected to perform an active research in that the volcanic landform of Korea have diverse values.

• Journal of The Geomorphological Association of Korea
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• v.18 no.3
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• pp.121-129
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• 2011

This work is to elucidate in typological aspect main geomorphological processes in the morphogenetic system of Mongolian steppe zone. Its morphogenesis manifest interaction of intense gelifraction and active erosion either by slope run-off or by wind. Intense gelifraction owes both to cold temperature regime with great amplitude, and to moisture associated with snow fall. Erosion of material produced by gelifraction is assured by surface run-off of summer rainfall and spring eolian activities. The geomorphological landscape sculptured by such morphogenetic processes manifest low-relief smooth slopes. This feature reveals that intense gelifraction keeps abreast with removal of weathering product by surface run-off and wind.

• Journal of the Korean earth science society
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• v.45 no.3
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• pp.224-238
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• 2024

This study analyzed lineaments and fault-related landforms in Chungcheongnam-do, central Korean Peninsula, based on historical and instrumental records, given its susceptibility to future earthquakes. We extracted 151 lineaments associated with fault-related landforms. In regions with the Dangjin and Yesan faults, lineaments with strikes matching these faults were densely distributed. Conversely, in the Hongseong Fault area, the number of lineaments was smaller, and those with strikes similar to the fault were less discernible. This is likely due to the extensive distribution of alluvium and surface deformation from long-term weathering, erosion, and cultivation, which obscures geomorphic evidence of faults. At five key fault points, we identified fault-related landforms, such as fault saddles, knickpoints in Quaternary alluvium, and linear valleys, along the lineament, which may indicate an actual fault. However, the displacements of the Quaternary layer within the lineaments appear to be influenced more by external factors, such as artificial disturbances (e.g., cultivation) or stream erosion, than by direct fault movement. The differences between the fault-related landforms in this study area and those in the southeastern Korean Peninsula suggest a specific relationship between fault types and their associated landforms.

• Journal of The Geomorphological Association of Korea
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• v.17 no.3
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• pp.17-30
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• 2010

This paper aims to excavate and make storytelling of cultural landforms around Shincheon, Geumho river in Daegu and then to build the strategy for making its application. The main results are as follows. 1) There are main cultural landforms such as Yongdubawi(龍頭岩, river cliff), river cliff, rock shelter(岩蔭), sheeting joint landform, river cave, tor, etc. around Shincheon. 2) there are main cultural landforms such as riverine wetland, ferry, point bar, river cliff, Hwadam(畵潭, pool), Donghwacheon(stream), Mutae(無怠), Chimsan(hill), Yeonamsan(hill), Sanghwadae(river cliff), etc. around Geumho river. 3) It is necessary to excavate and restore cultural landforms around Shincheon and Geumho river for protection, Also the valuable cultural landforms should be designated as cultural assets in order to prevent damage. 4) Considering from application of cultural landforms around Shincheon, natural observation site need to be designed for experiencing culture, history and ecological environment. However, in viewpoint of application of cultural landforms around Geumho river, it is much better to plan a few of Geumho river cultural landform trails for self-guided tour.