• 한국약용작물학회:학술대회논문집
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• 한국약용작물학회 2008년도 추계학술발표회
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• pp.167-168
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• 2008

• 동굴
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• 제24권25호
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• pp.1-14
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• 1991

Jeongsun limestone formations with good geochemical solution of limestone and physical environments have been developing many Karst landforms. Especially, there are many dolines and most of them elliptical shapes of planes. At present, they have been transformed into uvala toward their long diameter directions. The period of landscape processing is a Quaternary Epoch and Karst cycle corresponds to a stage from late maturity to old stage.

• 한국방재학회:학술대회논문집
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• 한국방재학회 2011년도 정기 학술발표대회
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• pp.12-19
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• 2011

Drawing on its extensive experience with natural disasters, Japan has been dispatching Japan Disaster Relief (JDR) team to disaster-stricken countries to provide specialist assistance in rescue and medical operations. The JDR team has assisted in the wake of disasters including the 2004 Indian Ocean Earthquake and the 2008 Sichuan Earthquake in China. Information about the affected area is essential for a rapid disaster response. However, it can be difficult to gather information on damages in the immediate post-disaster period. To help overcome this problem, we have built on an Earthquake Damage Estimation System. This system makes it possible to produce distributions of the earthquake's seismic intensity and structural damage based on pre-calculated data such as landform and site amplification factors for Peak Ground Velocity, which are estimated from a Digital Elevation Model, as well as population distribution. The estimation result can be shared with the JDR team and with other international organizations through communications satellite or the Internet, enabling more effective rapid relief operations.

• 한국지역지리학회지
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• 제9권3호
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• pp.385-394
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• 2003

현장 접근이 제한되어 있는 동부해안 접경지역의 지형조사 과정에서 IKONOS 위성영상과 수치지도 등의 원격탐사자료와 현장조사 자료를 이용하여 지형분류를 시도하였다. 조사결과는 위성영상자료를 활용하여 조사지역 전체를 면사상의 단위지형으로 분류하였다. 조사지역에서 나타나는 특징적인 지형은 해안사주, 해안사구, 석호, 육계사주와 육계도 등으로 구성된 해안지형과 하천습지와 석호, 하구습지 등으로 구성된 습지지형이다. 이 일대의 지형은 규모에 비해 지형요소의 유기적인 안정성이 높아 그 가치가 높게 평가된다.

• 한국지형학회지
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• 제23권3호
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• pp.93-104
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• 2016

High school textbooks of world geography show geomorphic featuresin arid environments such as sand dune, yardang and ventifact which are largely created by aeolian processes. Desert pavements, ubiquitous armored surfaces composed of a mosaic of clasts in hot and arid regions, are introduced as a major landform which can be attributed to wind erosion. However, they are formed by a variety of processes including deflation, surface runoff, upward clast migration and dust accretion that cause coarse particles concentration at the surface. The deflation by wind leaving a lag of coarse clasts has been solely regarded at home, even though the classical mechanism of deflation has been evaluated as a relatively unimportant process of pavement formation abroad through empiricalstudies. The accretionary model is gaining wider acceptance, thus implying that desert pavements could be formed through deposition of aeolian material. In addition, sheetflood and upward migration of clasts, irrelevant to the aeolian processes, could also create stone pavements. As a consequence, the deflation process in high school textbooks has to be urgently modified into a range of processes including aeolian mantling. By stressing that desert pavements are an exceptional geomorphic feature in deserts where wind is a predominant geomorphic agent, they can be used as a good example to demonstrate that a landform is not monogenetic.

• 한국지형학회지
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• 제24권3호
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• pp.47-59
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• 2017

This study aims to analyze geomorphologically Jaein Falls in Hantangang Lava Plateau for the landform structure, landform classification, falls dissection and recession. The height and recession length of the Falls are approximately 18m and 340m. after dissection valley arrive at area of the Jijangbong Volcanic Rock Complex of Mesozoic era, the fall will disappear. The structure of the dissection valley shows totally well vertical columnar joint near falls and plunge pool, colluvial talus deposits toward lower reach by the freezing-thawing and wet-dry activities, and alluvial cone and delta in estuary to Hantangang River. The Falls' age date and recession rate in the valley maybe relate to the age of the lava plateau. The estimated recession rate of the fall should be 8.75m/ka to 2.3m/ka, depending on the age 500ka to 40ka in lava plateau.

• 한국지형학회지
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• 제23권3호
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• pp.13-25
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• 2016

The purpose of this study is to investigate the location characteristics in which 'large Jar coffin' (hereinafter referred to as 'Jar coffin') distributed in the Yeongsan river basin area in Jeonnam province by means of topographic analysis. 75 Jar coffins (74.3%) in 19 relics (90.5% of total) were found in hill and 26 Jar coffins (25.7%) of two consumption relics (9.5%) were found in floodplain. Among them, 34 (45.3% of total) and 41 (54.7% of total) Jar coffins were found in the Crest surface and Sideslope of hills, respectively. In particular, 26 (34.7%) Jar coffins are mostly located in the Crest flat. This result implies that people at that might be consider the river inundation, and mostly choose hill rather than floodplain when building the Jar coffin. therefore amongtherefore among micro-landform units of the hill, it seems that the 'Crest flat' was the preferred place for the building the Jar coffin at that time.

• 한국지형학회지
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• 제27권4호
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• pp.89-112
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• 2020

The purpose of this study is as follows: First, we restore the optimal topographical environment of the Bronze Age settlements in the Yongdu Stream and its surrounding area in Asan City. Second, we reveal the relative importance of the topographical factors that the Bronze Age people considered when selecting their dwelling locations. We compared and analyzed topographical factors (ridge scale, ridge direction, slope direction of the ridge, micro-landform of the ridge, position of the ridge) from the ridge's environmental perspective of 123 Bronze Age dwellings (hereinafter referred to as dwellings) found in the survey area for that purpose. The results are as follows: First, from a macro perspective, the optimal topographical environment for the location of the Bronze Age settlement is the second ridge that have the E-W direction. And from a micro perspective, it is the southeast direction slope of the Crest slope at the summit. Second, it appears that the Bronze Age people have taken important consideration in determining the location of their dwelling in the following order: ① position (eg. summit), ② micro-landform (eg. Crest slope, Upper slope), ③ slope direction (eg. southward, South, Southeast), ④ scale (eg. sub-ridge, secondary, tertiary), ⑤ direction (eg. E-W, NNE-SSE).

• 한국지형학회지
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• 제28권1호
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• pp.67-81
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• 2021

Geomorphological development and distribution at the macro scale provide a clue to the geotectonic characteristics that have affected the geomorphological system. This is because the developmental characteristics and distribution of the landform at the macro scale remain spatial characteristics due to tectonic processes, such as fault activity. From the perspective of tectonic geomorphology, this study identified the developmental characteristics and distribution of the Quaternary landforms in central-southern Yangsan fault and discussed its relevance to fault activity. In this paper, we presented examples and results of morphotectonic analysis of the Yangsan fault, and will present the results of age dating, stratigraphic relationship of the Quaternary landforms, and calculation of cumulative slip rate in the next paper.

• 대한지리학회지
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• 제43권6호
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• pp.791-807
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• 2008

본 연구의 목적은 독도해산의 지형특성을 분석하고 지형의 형성작용에 대한 원인과 침식경향을 파악하는 데 있다. 지형분석을 위해 독도주변해역의 수심데이터와 탄성파데이터를 이용하였다. 수심데이터를 이용하여 독도해산의 평탄한 정상부와 해산사면의 경사, 사면향 등을 분석하였다. 독도해산은 정상부가 평평하게 침식되어 형성된 평정해산의 형태를 띠고 있고, $0{\sim}2^{\circ}$의 완경사를 이루고 있다. 수심자료와 탄성파 자료에 의하면, 동도와 서도 주변 해저에는 불규칙한 돌출지형이 형성되어 있는데, 이는 과거 독도에서 붕괴된 암설이 퇴적되었거나 상대적으로 침식에 강한 암반이 남아 형성된 지형으로 생각된다. 해산 사면은 $14{\sim}40^{\circ}$ 급경사 지형으로서 매스무브먼트에 의해 다량의 암설이 흘러내린 오목지형이 발달하고 사면의 기저부에서는 매스무브먼트에 의해 운반된 암설이 퇴적된 볼록지형이 나타난다. 사면 곳곳에는 해저곡(submarine gully)이 발달하고 해저곡이 분포하는 지역은 상대적으로 침식이 더 빠르게 진행되고 있다. 매스무브먼트에 의해 침식 붕괴된 암설과 해저곡을 따라 운반된 퇴적물은 해산의 기저부에 퇴적되어 있다. 독도해산사면에서 발생하는 매스무브먼트는 해저화산의 진화과정 및 지진활동과 관련되어 있는 것으로 생각된다. 결론적으로 독도해산은 사면에서 매스무브먼트와 해저곡을 따라 일어나는 침식작용에 의해 사면이 후퇴하고 있음을 확인할 수 있다.