• Title/Summary/Keyword: Research of Quaternary environment

Search Result 109, Processing Time 0.024 seconds

The Quaternary Environmental Research Trend of the Korea and Future Issues -Focused on Last Interglacial~Holocene Environmental Study of Physical Geographers- (한국의 제4기 환경연구 - 최종간빙기~홀로세 환경연구를 중심으로 -)

  • PARK, Ji-Hoon
    • Journal of The Geomorphological Association of Korea
    • /
    • v.18 no.4
    • /
    • pp.97-126
    • /
    • 2011
  • This paper has identified the Quaternary Environmental research trend of the Korea that has become the center of physical geographers and analyzed its performance by topic. As a result, we could see that most studies are accepted as research topics of restoring topography-climate-vegetation-sea level-soil environment during 'Last Interglacial ~Holocene' targeting the Korean Peninsula and the surrounded area. However, the situation is that it is difficult to restore the Quaternary Environment of the Korea in general only with their study performance. In the future, I hope the Quaternary Environmental research of the Korea would play more leading role than the researchers of other field by selecting more wide ranged and in-depth study topics in terms of the Quaternary Environmental research to furthermore introduce a new analytic technique.

Late Pleistocene Fluvial Sequence in South Korea

  • Kim, Ju-Yong;Yang, Dong-Yoon;Nahm, Wook-Hyun;Lee, Yung-Jo;Park, Ji-Hoon
    • The Korean Journal of Quaternary Research
    • /
    • v.18 no.2 s.23
    • /
    • pp.33-42
    • /
    • 2004
  • In South Korea a Pedo-sedimentary Sequence(PS) indicating the Last Glacial Maximun(LGM) is typified y a brown to dark brown, relatively stiff paleosol layers formed by repetitive freezing and thawing processes which in turn left characteristi glossic textures in soil-solum, polygolnal structures with a flagipans, vertical soil wedges or freezing cracks, and horizontal foliations, As a pre-LGM sedimentary sequences (older than 25Ka), the Old Fluvial Sequence(OFS) overlain by the Slope Sedimentary Sequence(SS) are distributed commonly at the base level higher than 14-15m above present river-bed along the major river basin. After the LGM (ca. 18Ka), the Young Fluvial Sequence(YFS) appears at an altitude ascending order of sedimentary profiles. In this fluvial organic muds of Jangheungri site(Jinju), Sorori site(Cheonwon), and Youngsan estruarine rivermouth(Mokpo) were exemplified in order to interpret their formation ages and environments. As result of $^{14}C$ datings, the formation ages of te organic muds are Boelling to Alleroed (MIS-1). These organic muds were fomed in fluvial backswamp or local pond/bog in response to shifting fluvial system. On the basis of palynological production dominant with Abies/Picea-Betula and Ranunculaceae, Compositae, Cyperaceae, and Graminae, it was interpreted that more boreal to subboreal condition was prevailed rather than temperate like today during the formation of organic muds and soil moisture condition was a repetition of wet and dry condition.

  • PDF

Variation and Adaptation of Mammalian limb-bones in the Quaternary (제4기 젖먹이짐승의 팔ㆍ다리의 변화와 적응)

  • 조태섭
    • The Korean Journal of Quaternary Research
    • /
    • v.16 no.2
    • /
    • pp.23-31
    • /
    • 2002
  • The mammalian fossil remains of the Quaternary have been the crucial subjects for the archaeologist since long time. Because these materials have been used as a guide to environment and they help us to reconstruct a picture of past human subsistence concerning the hunting, dismembering and bone tools. The mammalians have distinctive characteristics and biotopes in order to adapt to environment change and modify even forms and number of bones. In this paper, we examine bone structures and numbers of several mammalians discovered in Paleolithic site during the Quaternary. We hope that this work could be attribute to more information about the relationship between Paleolithic men and the mammalians.

  • PDF

Quaternary Geology of the Conjunction Area of the Yeongsan and Sampo rivers (영산강 하류와 삼포강 합류부 일대 제4기 지질 연구)

  • Kim, Ju-Yong;Yang, Dong-Yoon;Hong, Sei-Sun;Nahm, Wook-Hyun;Lee, Heon-Jong;Lee, Jin-Young;Kim, Jin-Kwan;Oh, Keun-Chang
    • The Korean Journal of Quaternary Research
    • /
    • v.19 no.1
    • /
    • pp.1-17
    • /
    • 2005
  • This study aims to study the distribution and formation age of Quaternary deposits in the downstream of Yeongsan Estuarine River, encompassing Muan, Illo and Donggang counties. For this purpose the authors examine several borehole data, and step trench survey for excellent profiles was studied in connection with grain size population and magnetic susceptibility. As a result, it is interpreted that the coastal plain of the Yeongsan River was formed by sea level rise after Last Glacial Maximum(LGM). The fore edge/escarpment of coastal terraces distributed 7-10 m asl is assumed to be formed during the last glacial period, while the coastal terraces distributed above 7-10m asl formed during MIS 5a. In addition, the fore edge/escarpment of coastal terraces distributed above 15 m asl is presumed to be have been formed during the stadial of last interglacial period, while the formation age of coastal terraces distributed above 15m(asl) is assumed to be MIS 5e. This formation age can be estimated by the coastal terrace ages of the southeastern coast of Korean Peninsula. The characteristics of Quaternary deposits linked to paleolithic culture will eventually lead to the reconstruction of ecosystem environment of paleolithic peoples.

  • PDF

Deposition and Sedimentology of the Marine and Nonmarine Sedimentary Rocks of the Pyung-Ahn Group, Kangweondo, Korea (한국 고생대 후기의 평안층군 퇴적암(해성기원 및 육성기원)에 관한 퇴적작용과 퇴적환경 연구)

  • 박용안;최강원;김진호
    • The Korean Journal of Quaternary Research
    • /
    • v.3 no.1
    • /
    • pp.69-85
    • /
    • 1989
  • The depositional environments of the Pyung-Ahn Group sedimentary rocks, Jeongseon-Kun, Kangweondo, Korea are investigated. The environments are understood to be characteristic transitional from a typical shallow marine to a typical continental environment. Such transitional conditions are also understood in various parts of Quaternary and modern environment on the earth. In particular, the absence of detrital feldspar sand grains in the Manhang and Keumcheon Formation Sandstone body is described firstly in Korea, and the fact and possible mechanism are discussed.

  • PDF

Global and Korean Peninsula Climate Changes and Their Environmental Changes

  • Yi, Hi-Il;Shin, Im-Chul
    • The Korean Journal of Quaternary Research
    • /
    • v.21 no.2
    • /
    • pp.74-76
    • /
    • 2007
  • The modern foraminiferal distribution patterns and species diversity in surrounding seas of Korea are controlled by winter monsoon and characteristics of water masses. Abrupt climate change, Younger Dryas cold episode" is identified in Korea. The Younger Dryas is characterized by local extinctions of foraminifera. Several record-breaking climate phenomena observed in Korea, especially September, 2007.

  • PDF

Chronology and environment of the Palaeolithic and Neolithic cultures on the southern Russian Far East

  • Kuzmin, Yaroslav V.
    • The Korean Journal of Quaternary Research
    • /
    • v.16 no.2
    • /
    • pp.39-56
    • /
    • 2002
  • The results of geoarchaeological studies of the prehistoric cultural complexes on the Russian Far East (Primorye, or Maritime Province; the Amur River basin; and Sakhalin Island) are presented. Upper Palaeolithic sites are dated to ca. 40,000-10,500 B.P. They existed during the mild climate of the Chernoruchie interstadial (ca. 40,000-21,000 B.P.); during harsh climate at the Last Glacial Maximum, ca. 20,000-18,000 B.P., in several places on the Russian Far East (Primorye, Amur River basin, and Sakhalin); and during climatic amelioration in the Late Glacial time, ca. 16,000-10,500 B.P. The earliest Neolithic sites, represented by Osipovka and Gromatukha cultures, existed at ca. 13,000-10,000 B.P. in the environment of coniferous forests with admixture of broadleaved taxa. Since ca. 8000 B.P., Neolithic cultures appeared in all of the Russian Far East. They existed until ca. 3000 B.P., first during the Holocene Climatic Optimum, ca. 8000-5000 B.P., in the environment of coniferous-broadleaved forests, and later, at ca. 5000-3000 B.P., in the environment of birch-oak and coniferous forests.

  • PDF