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박창열,유철상,Park. Chang-Yeol,Yoo. Chul-Sang 한국방재학회 2010 한국방재학회논문집 Vol.10 No.6
본 연구에서는 하천유역에 대한 호우의 방향성을 von Mises 분포를 이용하여 정량화하고, 그 대표 이동방향을 결정하였다. 추가로 호우 발생특성(장마, 태풍, 대류성 강우)에 따른 호우의 방향적 특성을 도출하여 비교하였다. 대상유역인 내성천 유역에서 수집된 101개 호우사상을 이용한 결과, von Mises 분포는 대상 호우사상의 방향적 특성이 적절히 표현됨을 확인하였다. 또한 호우의 이동방향은 그 발생특성에 따라 차이를 보이며, 이들 특성은 한반도의 기후특성과도 일치함을 확인하였다. 본 연구의 결과는 호우 이동방향에 따른 유출응답의 차이를 보다 정량적으로 파악하는데 도움이 될 수 있을 것이다. This study quantified the storm direction for a river basin by applying the von Mises distribution, also determined the representative storm direction. Additionally, the whole procedure was repeated for several storm types such as frontal, typhoon and convective storms for their comparison. From the results derived by analyzing a total of 101 storm events for the Naesung river basin, the von Mises distribution was found to explain the directional characteristics of storms. The representative moving directions derived for three different storm types were significantly different each other, which is coincident with the climate of Korea. The results derived in this study could be helpful to estimate more quantitatively the difference in the runoff response with respect to the moving direction of a storm.
무용전공별 신체조성 , 유산소 능력 및 대퇴부 근기능의 특성 비교
박창열(Park Chang Yeol) 한국사회체육학회 2000 한국사회체육학회지 Vol.14 No.-
The purpose of this was to comparation on peculiarity of circulation capability and muscular funtion according to dancing type. Subjects were Korea dancing group (n=10), ballet group (n=10) and modern dancing group (n=10) of colleage women. They were compared to peculiarity of circulation capability and the stregth of 60' /sec work speed and power, muscular endurance of 120 /sec work speed after 25 time (extension/flexion exercise). 'Re finding of this study were as follows 1. Body composition was not significantly among each group 2. Heart rate, systolic blood pressures was not significantly among each group and VO were significantly (p<01) highest in the mordon-dancing group. 3. M D group on peak t0rque strenght at the lower work 60' /sec, was extensor 82.0Nm, flexsor 46.6Nm, which was significantly (p<.05) higher than peak torque of B T, K D group. However, each group in ratio of extensor to flexor at the same work speed showed imbalanc below to 60Yo, 4. M D group on peak torque strenght at the medium work speed, 120' /sec, was extensor 63.2Nm, flexor 34.8Nm, which was significantly (p<05) higher than peak torque of B T, K D group. However, each group in ratio of extensor to flexor at the same work speed showed imbalanc below to 60%. 5. Total work, mean power of B T group on the muscular endurance of legs at the medium work speed, 120' /sec, was extensor exercising 365.38joules, 87.20 Watts, flexsor exercising 1000.11Joules, 48.41Watts which was significantly (p<05) highest than K D, M D group. Muscle fatigue of B T group was extensor exercising 72.39%, flexor exercising 63.46%, which was significantly (p<05) highest than K D, M D group. Within the results of this study, mordem dancing showed to decrease in musde endurance and ballet Korean dancing group showed to decrease in aerobic capacity and muscle strength, and dancing program will consist of balanced exercise as to rnuscle endurance, strength and aerobic capacity.