• Journal of Haehwa Medicine
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• v.16 no.2
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• pp.53-60
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• 2007

韓醫學的時間醫學是在天人合一思想的基礎上, 利用陰陽五行學說與五運六氣學說來研究人體周期性問題的學問, 經過長期的臨床實踐已經形成了其理論和體系, 至今其有效性亦得到驗證, 屬於比較實用的學問. 關於韓醫學的時間醫學, 在"黃帝內經"中已經提出日週期和月週期以及年週期等, 形成了時間醫學的基礎, 後在"傷寒論"中得到臨床上的實際應用. 自唐代王氷補入運氣篇後, 關於年週期和超年週期的硏究得到了比較大的發展. 後來, 曆經宋金元明淸, 出現了子午流注針法, 並於藥物服用時間的硏究, 時令病的認識, 對疾病的時間診斷學的硏究等方面, 均得到了持續而多樣的發展. 在以晝夜之變化爲特征的日週期中, 晝夜陰陽消長週期與晝夜升降浮沈週期, 對發熱疾患的治療及痊愈時間的預測有所幫助, 衛氣運行週期於睡眠機制的說明有所深化, 而五臟主時週期對五臟疾病的預防和病勢的預測以及投藥時期的確定有所幫助. 而日死亡週期可以活用於死亡時間的把握, 經脈氣血流注週期則對以後的按時取穴之子午流注針法和靈龜八法以及飛騰八法等的發展, 起到了主要作用.

• Journal of the Korean earth science society
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• v.23 no.3
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• pp.280-293
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• 2002

In this study, we analyzed the long-term distribution patterns of $CH_4$ determined from the Moo-Ahn (MAN) observatory in relation with those derived from the world major background monitoring sites. Comparison of the data were made using those data sets collected for the period between Aug. 1995 to Dec. 1991. The mean $CH_4$ concentration of MAN observatory was measured to be 1898${\pm}$85.3 ppb, recording the highest concentration of all the monitoring sites. When the concentration of $CH_4$ for different stations was compared over latitudinal scale, its concentration appeared to increase systematically as a function of latitude with an exception of MAN (and the other Korean monitoring site at Tae Ahn). Moreover, such phenomenon was more distinctive in Northern than Southern Hemisphere. According to the analysis of the monthly distribution patterns of $CH_4$ at MAN observatory, its concentration level began to increase from the months of February/March and peaked during August. In addition, when the level of oscillation in monthly concentrations (between the maximum and minimum values) was checked, differences were significant between MAN and other monitoring stations. If the rate of concentration change was checked using the data sets collected for this limited time period in terms of linear regression analysis, results for MAN showed the highest annual increasing rate of 16.5 ppb. It is hence suggested that the largest variability in the $CH_4$ distribution patterns at MAN observatory may be reflected by the high irregularity in its source/sink processes.

• Journal of the Korean earth science society
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• v.21 no.3
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• pp.287-301
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• 2000

In order to investigate the factors and processes affecting the vertical distributions of ozone, we analyzed the ozone profile data measured using ozonesonde from 1995 to 1997 at Pohang city, Korea. In the course of our study, we analyzed temporal and spatial distribution characteristics of ozone at four different heights: surface (100m), troposphere (10km), lower stratosphere (20km), and middle stratosphere (30km). Despite its proximity to a local, but major, industrial complex known as Pohang Iron and Steel Co. (POSCO), the concentrations of surface ozone in the study area were comparable to those typically observed from rural and/or unpolluted area. In addition, the findings of relative enhancement of ozone at this height, especially between spring and summer may be accounted for by the prevalence of photochemical reactions during that period of year. The temporal distribution patterns for both 10 and 20km heights were quite compatible despite large differences in their altitudes with such consistency as spring maxima and summer minima. Explanations for these phenomena may be sought by the mixed effects of various processes including: ozone transport across two heights, photochemical reaction, the formation of inversion layer, and so on. However, the temporal distribution pattern for the middle stratosphere (30km) was rather comparable to that of the surface. We also evaluated total ozone concentration of the study area using Brewer spectrophotometer. The total ozone concentration data were compared with those derived by combining the data representing stratospheric layers via Umkehr method. The results of correlation analysis showed that total ozone is negatively correlated with cloud cover but not with such parameter as UV-B. Based on our study, we conclude that areal characteristics of Pohang which represents a typical coastal area may be quite important in explaining the distribution patterns of ozone not only from surface but also from upper atmosphere.