• Title/Summary/Keyword: Geomorphology

Search Result 186, Processing Time 0.024 seconds

A Study on the Characteristics of Landslides Having Occurred in Gangneung Area in 2002 (2002년 강릉지역에서 발생된 산사태의 특성에 관한 연구)

  • 서흥석;한성길
    • Journal of the Korean Geotechnical Society
    • /
    • v.19 no.4
    • /
    • pp.107-119
    • /
    • 2003
  • Serious damages occurred in Yeongdong area of Gangwondo by typoon Rusa in August, 2002. Therefore, this study intends to investigate and analyse the characteristics of landslide having occurred in Gangneung area. 11 sites including many features of landslide were selected and scales, soil properties and a state of vegatation of slopes were investigated. It can be concluded that rainfall intensity, the velocity of the wind, geomorphology, vegatation and forest fire etc. are considered as main factors affecting occurrence of landslides in this area.

A Study on Characteristics of Mountainous Landforms Associated with Folklore and Geo-storytelling (산이동 설화에 대한 지형학적 검토)

  • Park, Kyeong
    • Journal of The Geomorphological Association of Korea
    • /
    • v.26 no.3
    • /
    • pp.43-52
    • /
    • 2019
  • Place names or toponyms including Gosan, Busan and Buraesan can be very important and interesting storytelling subjects in terms of geomorphology and folklore studies also. Several studies done by folklorists, those sixty five mountain-moving stories with similar names can be grouped into several categories through formation processes and origin, transport media and imposition of tax. Geomorphological studies can focus on transport media. They can be classified into six different categories; 1) flood from upstream through river, 2) voluntary walk of mountains, 3) by wind, 4) upwelling from underground, 5) involvement of mythical beings such as Mago Granny or Dokkaebi (kind of goblin), or 6) migration by ocean current.

Development in Geomorphology and Soil Geography: Focusing on the Journal of the Korean Geomorphological Association (한국지형학회지를 중심으로 본 지형학과 토양지리학의 발달)

  • Park, Kyeong
    • Journal of the Korean Geographical Society
    • /
    • v.47 no.4
    • /
    • pp.474-489
    • /
    • 2012
  • Last review papers on Korean geomorphology and physical geography had been published in 1997 and 2000 respectively. A proposal to publish a book on Korean geomorphologists' achievement resulted in series of review papers in Journal of the Korean Geomorphological Association. This article aims to summarize these papers and introduce their findings to foreign scholars. On remarkable achievement is a fierce debate on the effectiveness of traditional mountain concept to explain the shape of Korean peninsula, which made the public's understanding of geomorphology widen to the general public. Reflecting public demands, concerns for the effects of coastal facilities on coastal erosion and conservation mind and scientific researches for the coastal sand dunes have increased so much. Geomorphological hazards such as debris flow attracted many concerned scientists, and geotourism-related papers in scientific journals increased thanks to the designation of first geopark in Korea. Research papers submitted to the famous foreign academic journals are increasing in numbers these days.

  • PDF

Reflection and perspective of the geomorphology in Korea (한국 지형학의 50년 회고와 전망)

  • ;Oh, Kyoung-Seob
    • Journal of the Korean Geographical Society
    • /
    • v.31 no.2
    • /
    • pp.106-127
    • /
    • 1996
  • In Korea, modern geomorphology has developed as one of main subjects in geography, such as in Europe. Geomorphology is one of the most advanced specialties in the geography dicipline, since foundation of Korean Geographical Society in 1945. Untill 1960's study, first generation of the Korean geomorphologists trained the younger ones, together with energetic research activities. Their great works in education and research established the base of ulterier development of the geomorphology in Korea. Since 1970s, research manpower and quality has incresed rapidly, partly due to the various international activities and cooperations of Korean geomorphologists. Owing to above development, Korean geomorphologist was able to found "The Geomorphological Association of Korea" in 1990 and publish "Journal of GAK", since 1994. Furthermore, geomorphologists are playing important roles in interdisciplinary academic societies, such as "The Korean Quaternary Assocition". Still 1960s, our research had focused on the identification and interpretation of erosional surfaces in Korea Peninsular. Of course, W.M. Davis's "Geographical Cycle Theory" and L.C. King's "Pedimentation Theory" had a great influence on the Koerans' works. After 1970s, the study of erosional surface played the important role in setting up the morphoclimatic viewpoint and methodology. Research scope tend to be notably broad and various than it was untill 1960's. Disposotion of the scientific methods and techniques become more and more apparent. These trends of research has settled precise descreption and interpretation of actual landforms, based on the careful field works, scientific measuring, and analisis, rather than methodology focused on the particular master theories. Recent geomorphological researches show the scope from climatic geomorphology and Quaternary geomorphology to granite and limestone weathering, pedo-geomorphogenic environment and periglacial landforms, focused on the small-to-medium scales. And then there have been new trying to interprete erosional surfaces such as hillslopes and terraces. Also, studies of coastal and plain landforms have been successfully developed. Recent new trends show the quantitative and analytic modelling using field measurement and laboratory work, and study on the human impacts on the natural landforms.y on the human impacts on the natural landforms.

  • PDF

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

  • Jeon, Young-Gweon
    • Journal of the Korean association of regional geographers
    • /
    • v.11 no.1
    • /
    • pp.19-28
    • /
    • 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.

  • PDF

Fluvial Processes and Vegetation - Research Trends and Implications (하천과정과 식생 - 연구동향과 시사점)

  • Woo, Hyoseop;Cho, Kang-Hyun;Jang, Chang Lae;Lee, Chan Joo
    • Ecology and Resilient Infrastructure
    • /
    • v.6 no.2
    • /
    • pp.89-100
    • /
    • 2019
  • We've reviewed existing studies on the interactions among vegetation, hydrology, and geomorphology in the stream corridors, adding one more factor of vegetation in the traditional area of hydro-geomorphology. Understanding of the interactions among those three factors is important not only academically but also practically since it is related intimately to the restoration of river corridor as well as management itself. Studies of this area started from field investigations in the latter part of the 20th century and focused on the flume experiments and then computer modelling in the 1990s and 2000s. Now, it has turned again to the field investigations of specific phenomena of the vegetative-hydrologic-geomorphologic interactions in detailed micro scales. Relevant studies in Korea, however, seem to be uncommon and far behind the international status quo in spite that practically important issues related directly to this topic have been emerged. In this study, we propose, based on the extensive literature review and authors' own knowledge and experiences, a conceptual diagram expressing the interactions among vegetation, flow (water), sediment, and geomorphology. Existing relevant studies in Korea since the 1990s are classified according to the categorization in the proposed diagrams and then briefly reviewed. Finally, considering the practical issues of riparian vegetation that have emerged recently in Korea, we propose areas of investigation needed in near future such as, among others, long-term and systematic field investigations and monitoring at multiple river corridors having different attributes on vegetative-hydrologic-geomorphologic interactions, including vegetative dynamics for succession.

Karst Studies in the Korean Geographical Society: Achievements for the Past Fifty Years (한국 지리학계의 카르스트 연구)

  • PARK, Sunyurp
    • Journal of The Geomorphological Association of Korea
    • /
    • v.18 no.4
    • /
    • pp.127-140
    • /
    • 2011
  • Research achievement of Korean geographers on karst studies was evaluated based on the number of publications for the past fifty years, which were divided into four main periods, including beginning, youth, growth, and maturity stages. The descriptive statistics of research papers published in major geography journals were computed and these articles were classified according to their main subjects and study areas. The role of moisture is particularly important in Karst geomorphology compared to the other geomorphological fields. The morphology, landscape, and formation processes of tropical and temperate karst are different from each other, and the regional and altitudinal characteristics of karst environments are significantly diverse. Thus, it is likely that the detailed records of climatic changes are preserved in the northeast Asian karst landform. Since karst geomorphology can be a major cause of natural hazards, such as collapsed surfaces or subsidence, which are associated with anthropogenic activities, including underground-water pumping and land use, education and training of physical geographers, specializing on monsoon effects, distributions of limestone, and soil characteristics, are critical issues to foster the capacity of disaster management in the nation. Moreover, knowing that the unique and spectacular landscape of karst geomorphology is a valuable, natural resource of tourism and has aesthetic values on its own, contributions of geographers to the introduction, conservation, research, and development of karst environment should be emphasized.

The Pre-Results Of Geomorphological Investigation In Tui River Basin

  • Narangerel, S.;Enkhtaivan, D.
    • The Korean Journal of Quaternary Research
    • /
    • v.22 no.2
    • /
    • pp.43-44
    • /
    • 2008
  • In this brief present are about some advanced results from investigation geomorphology in basin of river Tui and distribution of relief their peculiarities, types morphogenetic, convert to ekzogen process of relief ( fluvial system, permafrost process, wind process, slope process etc) and dynamic process of sedimentation.

  • PDF