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      • 釜山市 公園·遊園地 日日 利用者數 變動模型에 관한 硏究

        權相洙,具泰益,朴承範 東亞大學校 1986 東亞論叢 Vol.23 No.1

        Urban parks and pleasure ground are very important leisure resources for urban inhabitants which they can easily approach in the city. Thus the factors influencing the fluctuation of urban parks and pleasure ground visitors are not only physical ones but also complex ones of which various factors consist. The purpose of this study is to prove the factors which have the influence upon the fluctuation of urban parks (including pleasure ground) visitors, and to analyze the interrelations between these factors and the numbers of visitors, and to establish the model which can explain the fluctuation of urban park visitors. Through the literary survey, this study established only the quantitative factors (season, week, weather) to make the model. As the results of ANOVA, season and week had the strong influence upon the numbers of daily visitors, but climate very weak. Interaction effect between factors was verified. So, the factors were re-established as follows; Climate was transformed into quantative factors (precipitation, cloud, humidity, temperature, wind speed) and the interaction effect became new factor. Multiple regression analysis were carried out with these factors, and final fluctuation model were established on the verification of the curvilinearity. As the result of this model, multiple determinant co-efficient(R??) of each park was 0.65~0.68. For more accurate prediction of fluctuation, we need more careful study to establish the factors which was not included into this study.

      • KCI등재
      • 釜山市 有料公園의 植物 및 野鼠類相에 관한 硏究

        權相洙,南廷七,朴承範 동아대학교 환경문제연구소 1988 硏究報告 Vol.11 No.1

        This experiment was conducted in the three areas of pay park in pusan city for eight times from March to December in order to the aspect of plants and protect forest injury of field mice. The results were obtained as follows : 1. The numbers of flora in the survey area, the numbers of Family was appeared to 58, and the numbers of Sepcies was appeared to 184. The species of bload leaved evergreen trees of that was investigated totally to 25, and the it's ratio was found to 36% in comparison with the whole country. 2. The species of field mice were Apodemus agrarius coreae. Apodemus speciosus peninsulae, Clethrionomys rufocanus regulus and Crocidura suaveolens shantungensis. 3. The 66 individuals of field mice were collected from 2, 745 traps. 4. A total of 66 field mice collected were composed with 48.5% in Apodemus speciosus peninsulae, 34.8% in Crocidura suaveolens shantungensis, 9.1% in Apodemus agrarius coreae and 7.6% in Clethrionomys rufocanus regulue. 5. The locational proportions of field mice collected were 3.3%, 3.0% and 1.0% in station. Ⅱ, Ⅲ and Ⅰ, respectively. 6. Apodemus speciosus peninsulae and clethrionomys rufocanus regulue was not collected at the station Ⅰ. 7. The body weight ranged from 18 to 41.9g in Apodemus agrarius coreae, from 9 to 44.9g in Apodemus speciosus peninsulae, from 18 to 35.9g in clethrionomys rufocanus regulue. It's average weight was 27.8g in Apodemus agrarius coreae, 28.4g in Apodemus speciosus peninsulae and 23.7g in clethrionomys rufocanus regulue. 8. The ratio of female to male of field mice was 0.67 to 0.33 in apodemus agrarius careae, 0.47 to 0.53 in Apodemus speciosus peninsulae and 0.4 to 0.6 in Clethrionomys rufocanus regulue. 9. The average body length of field mice was 95.97㎜ in Apodemus speciosus peninsulae, 95.20㎜ in Clethrionomys rufocanus regulue and 94.83㎜ in Apodemus agrarius coreae. 10. The everage tail length of field mice was 94.84㎜ in Apodemus speciosus peninsulae, 76.67㎜ in Apodemus agrarius coreae and 37.20㎜ in Clethronomys rufocanus regulue. 11. The everage ear length of field mice was 15.83㎜ in Apodemus speciosus peninsulae, 14.08㎜ in Apodemus agrarius coreae and 13.80㎜ in Clethrionomys rufocanus regulue. 12. The breeding period of field mice was between March and September in Pusan area. 13. The average fetal number of field mice was 5.1 in Apodemus speciosus peninsulae, 4.5 in Crocidura suaveolens shantungensis and 3.0 in Apodemus agrarius coreae.

      • 花卉類 揷木을 위한 非汚染用土 開發에 관한 硏究

        權相洙,具禹書,박정기,李容門 東亞大學校 1979 東亞論叢 Vol.16 No.2

        磨沙를 揷木用土로 開發코자 單用 혹은 Vermiculite와 연탄재를 混合한 15種의 用土를 調劑하여 Carnation 및 菊花를 揷木하여 發根을 調査한 바 다음과 같은 結果를 얻었다. 1) 磨沙는 壤質粗砂土로 酸度는 弱酸性이었다. 2) Carnation, 菊花 揷木用土의 圃場容水量은 30∼47.8%, 全孔隙量은 50∼64.9%의 範圍였다. 3) Carnation發根은 磨砂單用으로 1㎜∼2㎜(a₁), 2㎜∼3㎜(a₂)로 篩別한 것이 좋았다. 4) 菊花의 發根은 磨砂單用으로 2㎜(b₁), 3㎜(b₂)로 篩別한 것이나 약간의 Vermiclite를 混合한 것이 좋았다.(b₂3:V1) 5) Carnation 混合用土로는 地溫이 高溫(23.9℃)일 때 연탄재가 좋고 低溫(19.8℃) 일때는 Vermiculite가 좋았다. 6) 菊花의 混合用土로는 Vermiculite가 좋았다. In order to develope the rooting media, the rooting experiment by cuttings the carnation and chrysanthemum was performed with 15 kinds of rooting media treated by Loamy Crude Sandy Soil, or Vermiculite mixed with Briquet Ash, and the results discussed were as follows. 1) Masa(rooting media) was Loamy Crude Sand and was represented a little acidity. 2) Water Capacity of rooting media was 30∼47.8%, and the porosity was 50∼64.9%. 3) It was much better for Carnation rooting to use Loamy Crude Sand aline which sifted by 1∼2㎜(a₁), or 2∼3㎜(a₂). 4) It was rather good for Chrysanthemum rooting to use Loamy Crude Sand which ifted by 2㎜(b₁) or 3㎜(b₂), and was much better to mix the Vermiculite with it(b₂3:V1). 5) As the mixed media for Carnation, Briquet Ash was better than any other when the soil temperature was high(23.9℃), and Vermiculite was better than the others, when it was below(19.8℃). 6) As the mixed media for Chrysanthemum, Vermiculite was recommended.

      • "아이리스"의 植付探度試驗

        權相洙 東亞大學校 1966 東亞論叢 Vol.3 No.-

        The culting process of the tube plants like Iris is mostly concern to the dent of planting as a condition of hardening the tissue, and to maintain the hardners of tender tube plants tissue it is main gurpass to press down to bloom on culting process. The followings are mastly effective according to the main experiment, 1) Plants no.4 on figure 1 by plot table. 2) Plants no.3 on figure 2 by plot table.

      • KCI등재

        비정상 옵션가격의 현물가격 선도효과

        상수 한국산업경제학회 2009 산업경제연구 Vol.22 No.2

        본 연구는 옵션거래량 세계 1위인 KOSPI200 옵션시장을 대상으로 옵션가격의 기본 특성인 단조성과 완전상관성 위반현상이 미래 현물가격 선도효과를 가지는지 여부를 검증하였다. 즉, 옵션시장에서 기초자산 가격이 상승(하락)하면 유럽형 콜옵션의 가격은 상승(하락)하고, 유럽형 풋옵션의 가격은 하락(상승)하는 단조성의 특성과 옵션가격은 행사가격과 만기에 관계없이 기초자산 가격과 완벽한 상관관계를 가진다는 완전상관성의 기본특성을 위반한 사례를 조사한 후 동 위반비율의 현물 선도효과를 조사하였다. 분석기간은 2002년부터 2006년까지 5년간이며 KOSPI200 옵션 1분 데이터를 사용하였으며 본 연구의 주요 결과는 다음과 같다. 분석 결과, KOSP1200 옵션시장에서 옵션가격의 단조성과 완전상관성의 특성을 위반한 비정상 옵션가격 변화에도 미래 현물가격에 관한 중요한 정보가 있음을 확인하였다. 유형별 위반비율과 미래 현물지수 변화와는 일정한 관계를 가지고 있으며 콜옵션과 풋옵션의 유형별 위반비율의 변화를 통해 미리 현물지수 변화를 예상할 수 있음을 확인하였다. 그리고 위반비율이 높은 그룹이 낮은 그룹에 비해 또한 위반비율의 변화량이 클수록 현물 선도효자가 더욱 크게 나타났다. 그리고 이같은 위반현상의 현물선도효과는 현물가격에 비해 옵션가격의 현물선도효과가 더욱 크기 때문에 발생하는 현상임을 확인할 수 있었다. It is well known that the option prices have the monotonicity property and the perfect correlation property. According to the monotonicity property, the value of a European call (put) should be nondecreasing (nonincreasing) in the underlying asset price. The perfect correlation property assumes that all option prices, regardless of moneyness and maturity, are perfectly correlated with each other and with the underlying asset. In this article, we examine whether the violations of the basic properties of the option prices exist in one minute interval basis in the KOSPI200 option market and test whether the violations have the predicting power of the future spot index returns. The sample period is from January 2. 2002 to December 28. 2006. Our important finding may be summarized as follows. The irregular option prices movements which violated the basic properties of the option prices have the important informational contents regarding the future spot index return. The various types of the violations have consistent relationships with the future spot index movements. The future spot index movements also can be forecasted based on the change of the violation rate of the basic properties. The higher violation rate group has the higher lead effect for the future index return than the lower violation rate group. We confirmed that the lead-effects of the violation rate for the future spot return come from the fact that option prices lead the spot prices.

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