• 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.

• Archives of Pharmacal Research
• /
• v.22 no.4
• /
• pp.391-397
• /
• 1999

The quaternary ammonium cephalosporin derivatives were prepared with various pyridines substituted at the 3 or/and 4 position. Their in vitro antibacterial activities were determined and substituent effect on pyridine nucleus was studied. Preparation of substituted pyridines are also described.

• Proceedings of the Korean Quaternary Association Conference
• /
• 2004.06a
• /
• pp.20-23
• /
• 2004

• Proceedings of the Korean Quaternary Association Conference
• /
• 2007.06a
• /
• pp.17-17
• /
• 2007

• The Korean Journal of Quaternary Research
• /
• v.12 no.1
• /
• pp.1-8
• /
• 1998

동해안의 강원도 양양읍 남대천 하구에 발달한 spit beach의 지형적변화(1979∼ 1996) 는 outlet의 위치변화와 해안선 모습의 변화로 규명되었는바 일차적인 변화는 해안에 평행한 spit의 성장이며 이차적인 변화는 spit폭의 변화(overwash across sedimentation)라 고 밝혀졌다. 해빈환경의 소환경(subenvironment)으로서 swash zone과 berm crest는 각각 의 특징적 퇴적상(조직매개변수)으로 구분되는바 이에 관한 분석결과가 기술되었다.

• The Korean Journal of Quaternary Research
• /
• v.21 no.2
• /
• pp.56-57
• /
• 2007

• The Korean Journal of Quaternary Research
• /
• v.17 no.2
• /
• pp.153-156
• /
• 2003

• The Korean Journal of Quaternary Research
• /
• v.17 no.2
• /
• pp.135-138
• /
• 2003

• Proceedings of the Korean Quaternary Association Conference
• /
• 2005.06a
• /
• pp.37-41
• /
• 2005

• Proceedings of the Korean Quaternary Association Conference
• /
• 2006.06a
• /
• pp.17-20
• /
• 2006