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Lu, Ri-Yu,Huang, Rong-Hui,Chung, Yong-Seung 한국교원대학교 환경과학연구소 1996 환경연구논문집 Vol.- No.3
1960-1993년에 관측된 강수량 자료를 조사한 결과 대구의 강수량을 비교적 적으나 한국의 강수량 변동을 잘 반영하는 것으로 나타났다. 그러므로 이 연구는 대구자료를 이용하여 한국의 강수량 변동을 조사하였으며, 한국의 여름 강수량 변동은 연 강수량 변동과 일치됨이 밝혀졌다. 한국의 여름철 강수량 변동은 중국과 일본의 자료와 비교되었다. 경험적인 직교(orthogonal)함수의 분석에 의하면, 여름철에는 한국, 양자강유역, 황하계곡 및 일본의 남부지방이 모두 같은 기후계에 속한다. 한국의 여름 강수량은 중국동부의 강수량과 비교하여 동아시아와 태평양형태임이 조사되었다. 한편, 해수면 온도가 한국의 강수량에 주는 영향이 논의되었다. Examining the precipitation data collected during the period from 1960 to 1993, we found that Taegu Station represents an optimum station for explaining the interannual variations of the precipitation in Korea. Using the variations derived from Taegu, the secular trends of the precipitation in Korea have been studied. It was also found that the interannual variations of summer monsoon precipitation are consistent with those of the annual precipitation. To explore the interannual variations of the summer monsoon precipitation, comparisons of the summer precipitation in Korea with that in China and Japan were made. The results of the empirical orthogonal function analysis showed that Korea, the Yangtze River and Huaihe River valley, and the south Japan are all located in the same climate system during summer. The detailed analysis was carried out on the comparison of the summer precipitation in Korea with that in the eastern part of the mainland China. We found that the correlation pattern is similar to the East Asia/Pacific pattern. The probable effects of the sea surface temperature on the precipitation in Korea were also discussed.
Lu, Ri Yu,Chung, Yong Seung,Huang, Rong Hui 한국환경과학회 1995 한국환경과학회지 Vol.4 No.4
Examining the precipitation data collected during the period from 1960 to 1993, we found that Taegu Station represents an optimum station for explaining the interannual variations of the precipitation in Korea. Using the variations derived from Taegu, the secular trends of the precipitation in Korea have been studied. It was also found that the interannual variations of summer monsoon precipitation are consistent with those of the annual precipitation. To explore the interannual variations of the summer monsoon precipitation, comparisons of the summer precipitation in Korea with that in China and Japan were made. The results of the empirical orthogonal function analysis showed that Korea, the Yangtze River and Huaihe River valley, and the south Japan are all located in the same climate system during summer. The detailed analysis was carried out on the comparison of the summer precipitation in Korea with that in the eastern part of the the mainland China. We found that the correlation pattern is similar to the East Asia/Pacific pattern. The probable effects of the sea surface temperature on the precipitation in Korea were also discussed.
Xu, Guang-Ri,Qi, Xin-hua,Yang, Fengxia,Lee, Jae-Joon,Xu, Ming-Lu,Zhang, Yu-Ping,Kim, Sunghyun WILEY-VCH Verlag 2009 Electroanalysis Vol.21 No.22
<P>A glassy carbon electrode having two polymer layers has been applied to selectively detect epinephrine. The inner layer formed by electropolymerization of macrocyclic nickel complex functioned as an electrocatalyst for epinephrine oxidation and the outer layer composed of hydrolyzed polyurethane γ-benzyl L-glutamate as a screening layer. Differential pulse voltammetry showed almost 100% recovery of epinephrine even in 100-fold excess of interferents. When applied to a dual glassy carbon electrode as an amperometric detector in flow injection analysis, a linear response over 0.1 μM and 10 μM was obtained. Recovery tested for 5-fold diluted human urine samples was 97.5%.</P>
Huang, Rong-Hui,Lu, Ri-Yu,Chen, Wen,Chen, Ji-Rong Korean Meteorological Society 2003 大氣 Vol.13 No.2
Recent advances in the studies on the interaction between Asian monsoon and ENSO cycle are reviewed in this paper. Through the recent studies, the East Asian summer monsoon circulation system and the East Asian climate system have proposed. Moreover, different responses of the (winter and summer) monsoon circulation and summer rainfall anomalies in East Asia to ENSO cycle during its different stages have been understood further. Recently, the studies on the dynamical effect of East Asian monsoon on the thermal variability of the tropical western Pacific and ENSO cycle have been greatly advanced. These studies demonstrated further that ENSO cycle originates from the tropical western Pacific, and pointed out that the dynamical effect of East Asian winter and summer monsoons on ENSO cycle may be through the atmospheric circulation and zonal wind anomalies over the tropical western Pacific, which can excite the oceanic Kelvin wave and Rossby waves in the equatorial Pacific. Besides, the scientific problems in the interaction between Asian monsoon and ENSO cycle, which should be studied further in the near future, are also pointed out in this paper.
( Jong Kil Park ),( Ihn Cheol Seong ),( Baek Jo Kim ),( Woo Sik Jung ),( Ri Yu Lu ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.1
In the present study, we analyzed precipitation patterns and diurnal variation trends of hourly precipitation intensity due to climate change. To that end, we used the hourly precipitation data obtained from 26 weather stations around South Korea, especially Busan, from 1970 to 2009. The results showed that the hourly precipitation was concentrated on a specific time of day. In particular, the results showed the so-called "morning shift" phenomenon, which is an increase in the frequency and intensity of hourly precipitation during the morning. The morning shift phenomenon was even more pronounced when a higher level of hourly precipitation intensity occurred throughout the day. Furthermore, in many regions of Korea, including Busan, this morning shift phenomenon became more prevalent as climate change progressed.