http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Sangheon Yi,Yoshiki Saito,Zhongyuan Chen,Dong Yoon Yang 한국지질과학협의회 2006 Geosciences Journal Vol.10 No.1
The wel-defined pollen record in massive marineclay deposits from the subaqueous Changjiang (Yangtze River)delta reveals changes in vegetation and inferred climate during thelast about 1600 years. Climatic periods inferred from the pollentively warm/wet conditions comparable to Medieval Warm Period(AD 9101085) with a strengthen summer monsoon, (3) a relativelycool and wet conditions possibly corresponding to Little Ice Age(LIA; AD 10851815) with a weaken summer monsoon, and finally(4) the present warm period, since AD 1815. The pollen aridityindex based on variations in humidity suggests that thre subpe-riods within the LIA can be identified: wet LIA-1 (AD 10851170),dry LIA-2 (AD 11701330), and wet LIA-3 (AD 13301815).
Sangheon Yi,Seong-Joong Kim 한국지질과학협의회 2010 Geosciences Journal Vol.14 No.1
Age-controlled pollen record from wetland sediments of Hanam, western central Korean Peninsula (KP), reveals vegetation dynamics response to climate changes during the last glacial,26.1−20.1 cal kyr BP. The Hanam pollen assemblages are dominated by conifers, Picea and Pinus and cold tolerant deciduous broadleaved Betula, together with common xerophytic herb like Artemisia and Gramineae. Principal taxa are similar to those of subalpine forest in modern vegetation of KP. Humidity variation reconstructed by semi aridity index (AI) indicates that, during 26.1−22.7 cal kyr BP, cold and dry conditions were prevailed with an expansion of subalpine coniferous forest and high value of AI. From 22.5 to 20.5 cal kyr BP, cool and wet conditions were reconstructed with low value of AI due to climatic amelioration, enhanced conifers and temperate deciduous broadleaved mixed forests flourished. Between 20.3 and 20.1 cal kyr BP, an abundance of Picea and Betula associated with high value of AI infers that subalpine conifers forest colonized again in hinterland montane along with open, low grassland under colder and drier conditions owing to climatic deterioration. The principal pollen taxa suggest that prevailing climate conditions were annual mean temperature about 5−6 ℃ colder and annual mean precipitation 40% drier than today.