토양유기탄소분석을 통한 광주지역의 홀로세 기후환경변화 연구
Study of the Holocene Climate Change Using Soil Organic Carbon in Gwangju Area, Southwest Part of Korea
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초록
Using a Quaternary sediment sampled from the Gwnahju-cheon various organic carbon analysis have been accomplished. The result helped us to figure out how climate environment has changed through at that time. The analysis outcome, except the analysis of upper section(range of 0 to 50 cm depth), showed that the climate was generally warm and humid at that time. However, even in this result, the climate environment was slight differences, it can be divided into four periods. Period I is from 3,880±30 yr BP to 3,030±70 yr BP, in which the climate was relatively warm and humid/dry slightly. Period II is from 3,030±70yr BP to 2,970±70 yr BP, in which the climate was relatively warmer than period I and the most humid among all period. Period III is from 2,970±30 yr BP to 2,270±70 yr BP and refers to the warmest among all periods and also relatively drier/more humid than period I. Period IV which is from 2,270±70 yr BP to 2,170±110 yr BP represents the coolest and driest climate compare to other periods, although there is a high possibility of disturbance caused by cultivation activities.
Abstract
Using a Quaternary sediment sampled from the Gwnahju-cheon various organic carbon analysis have been accomplished. The result helped us to figure out how climate environment has changed through at that time. The analysis outcome, except the analysis of upper section(range of 0 to 50 cm depth), showed that the climate was generally warm and humid at that time. However, even in this result, the climate environment was slight differences, it can be divided into four periods. Period I is from 3,880±30 yr BP to 3,030±70 yr BP, in which the climate was relatively warm and humid/dry slightly. Period II is from 3,030±70yr BP to 2,970±70 yr BP, in which the climate was relatively warmer than period I and the most humid among all period. Period III is from 2,970±30 yr BP to 2,270±70 yr BP and refers to the warmest among all periods and also relatively drier/more humid than period I. Period IV which is from 2,270±70 yr BP to 2,170±110 yr BP represents the coolest and driest climate compare to other periods, although there is a high possibility of disturbance caused by cultivation activities.
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