[기획다큐부문_제70회 이달의 방송기자상] 조세회피처에 세운 회사로 뭘 했을까?

김시원 (사)방송기자연합회 2014 방송기자 Vol.20 No.-

[기획다큐부문_제74회 이달의 방송기자상] 모든 것의 대물림, 어떻게 생각하십니까?

김시원 (사)방송기자연합회 2015 방송기자 Vol.22 No.-

Weighing Lysimeter에 의한 결구상치의 증발산량 조사연구

김시원,김선주,노희수 한국농공학회 1986 한국농공학회논문집 Vol.28 No.4

This study was fulfilled by the weighing lysimeter method at the experimental farm of KonKuk University from April to June of 1986 to investgate the amount of evapotranspiration ( ET-lettuec )by the growing periods, evapotranspiration ratio, amount of watering per one time, days of intermission and soil moisture extraction pattern of the crisphead lettuce cultivated in the clay loam soil by different watering points of pFl.7, pF2.O, pF2.7. The results obtained are summar ized as follows : 1.The total evapotranspiration(ETlettuce) of the pFl.7 treatment plot was 358,9mm., 314.9mm in the pF2.O plot and 281.8mm in the pF2.7 plot, therefore the total ETlettuec increased with the difference of 33mm-44mm by the decrease of watering point. 2.The daily maximum ETlettuce by the watering points was 7.66mm, 6:54mm, 5.98mm, respectively in the last ten days of May, and the mean daily ETlettuce during the growing season by the watering points of pFl.7, pF2.O and pF2.7 was 5.44mm(384.5g), 4.77mm(337.2g) and 4.27mm(301.8g), respectively. 3.The evapotranspiration ratio showed maximum value in the middle of May which was the beginning of mid-season stage, and the mean evapotranspiration ratio during the total growing period was 1A7, 1.29, 1.15 by the watering points. 4.The days of watering intermission by the watering points of pFl.7, pF2.O and pF2.7 was 1.0day, 2.9days and 12.Sdays, respectively. 5.The yield of the crisphead lettuce by the watering treatments showed very high significance, and the pF2.O was confirmed as a optimum watering point. 6.The soil moisture extraction pattern(SMEP) of the pF2.0 treatment plot in the initial stage was 85.6% in the 1st and 2nd soil layer and 14.4% in the 3rd and 4th layer, and in the midseason stage, the moisture extraction proportion of the under layer accounted for 34.7%which showed that the root elongated to the lowest soil layer, and there was no difference of the SMEP between the mid-season and late-season stage. 7.The correlation coefficient between the ETlettuce and yield of lettuce by the three watering points was.739, which showed the significance of 5%.

유도 참여자의 커뮤니티 특성과 지속참여의도의 관계 : VAB모델을 중심으로

김시원,김일광 대한산업경영학회 2024 산업융합연구 Vol.22 No.3

본 연구의 목적은 유도 참여자의 커뮤니티 특성이 가치, 태도, 행동(VAB) 및 지속참여의도에 미치는 영향을 분석하 는 것이다. 연구대상 표집은 편의표본추출법(n=192)을 사용하였으며, SPSS 26.0과 AMOS 26.0을 사용하여 확인적 요인분 석, 상관관계 분석, 구조방정식 모델링을 실시하였다. 본 연구의 결과는 다음과 같다. 1) 유도 참여자의 커뮤니티 속성 중 평 판, 즐거움, 상호작용, 사회적 연결감은 유의한 영향을 미쳤다. 2) 가치-태도-행동(VAB)은 위계적으로 유의미한 영향을 미치 는 것으로 나타났다. 3) 행동 의도는 지속 의도에 유의미한 영향을 미치는 것으로 나타났다. 이를 통해 유도 커뮤니티는 참여 자의 유도참여를 높이기 위해 긍정적인 가치를 창출할 수 있는 참여자 중심의 조직문화를 구축할 필요가 있다. The purpose of this study was to analyze the impact of community characteristics of induced participants on values, attitudes, and behaviors (VAB) and intention to continue participation. Convenience sampling (n=192) was used to sample the research subjects, and confirmatory factor analysis, correlation analysis, and structural equation modeling were conducted using SPSS 26.0 and AMOS 26.0. The results of this study are as follows. 1) Among the community attributes of the participants, reputation, enjoyment, interaction, and social connection had a significant impact. 2) Value-Attitude-Behavior (VAB) was found to have a significant hierarchical impact. 3) Behavioral intention was found to have a significant effect on continuation intention. Through this, the Judo community needs to build a participant-centered organizational culture that can create positive value in order to increase participants' participation in Judo.

협력학습 환경에서 협력적 자기조절의 매개효과 검증

김시원,김예진,김영주,임규연 한국교육공학회 2015 한국교육공학회 학술대회발표자료집 Vol.2015 No.1

본 연구는 협력학습 환경에서 학습자의 자기조절, 감정조절과 협력학습의 성과인 공유정신모형, 성취도의 관계에서 협력적 자기조절의 매개 효과를 검증하고자 하였다. 구성주의 패러다임과 학습자 중심 및 사회문화적 맥락의 학습 환경 하에서 중요시되고 있는 협력학습이 효과적으로 이루어지기 위해서는 주체로서의 학습자 역할이 매우 중요하며, 학습자들의 협력에 따라 성공여부가 달려있다. 이로 인해 최근 개인적 학습자 특성뿐만 아니라 집단 맥락의 중요성에 따라 사회문화적 맥락을 반영하는 학습자 특성을 이해하려는 시도가 늘어나고 있다. 따라서 본 연구에서는 협력학습 맥락에서 다각적인 학습자 특성을 고려하여 학습자의 개인적 특성인 자기조절과 감정조절을 예측변인으로, 사회 문화적 맥락을 반영한 학습자 특성인 협력적 자기조절을 매개변인으로 선정하였으며, 학습 성과인 공유정신 모형과 성취도를 준거변인으로 선정하였다. 이와 같은 목적을 반영하여 상정한 연구문제는 다음과 같다. 첫째, 협력적 자기조절은 자기조절, 감정조절과 성취도 간의 관계를 매개하는가? 둘째, 협력적 자기조절은 자기조절, 감정조절과 공유정신모형 간의 관계를 매개하는가? 본 연구를 위해 2015학년도 1학기 A대학교 교육공학 전공과목 ``학습메시지디자인``을 수강하는 대학생 53명을 대상으로 기존에 존재하는 교수자료의 학습메시지 전략을 분석하는 협력 프로젝트를 실시하였다. 협력 프로젝트는 총 5주에 걸쳐 이루어졌으며, 협력 프로젝트 중 두 번에 걸쳐 자기보고식 설문을 실시하여 학습자가 인지하는 자기조절, 정서조절, 협력적 자기조절과 공유정신모형 수준을 측정하고, 프로젝트 종료시 퀴즈를 통해 성취도를 측정하였다. 관련 설문을 통해 자료를 수집한 후 협력적 자기조절의 매개효과를 검증하기 위해 위계적 회귀분석을 실시하였다. 연구 결과, 첫째, 협력적 자기조절은 학습자의 자기 조절 수준과 성취 도간의 관계를 부분적으로 매개하고, 학습자의 감정조절 수준과 성취도 간의 관계를 매개하지 않는 것으로 나타났다. 둘째, 협력적 자기조절은 학습자의 자기 조절 수준과 공유정신모형 간의 관계를 완전 매개하고, 학습자의 감정조절 수준과 공유정신모형 간의 관계를 매개하지 않는 것으로 나타났다. 본 연구결과는 협력학습 맥락에서 학습성과를 향상 및 촉진시키기 위한 협력적 자기조절의 역할이 중요함을 시사하고 있으며, 이를 통해 성공적인 협력학습의 성과를 위한 학습자 촉진 및 지원 전략을 수립할 수 있다.

田作物 水分消費量 調査 硏究

김시원,이경희,도덕현,Kim, Shi-Won,Lee, Kyong-Hi,Doh, Duk-Hyun 한국농공학회 1984 한국농공학회논문집 Vol.26 No.2

The study results of the mosture consumption character and irrigation effect of tomato, red pepper and chinese cabbage, in case the soil moisture is kept with different moisture content by the soil properties(loam, sandy loam, sand), are summarized as follows: 1. The available rainfall under bare soil condition had an order of sand>sandy loam> loam and their average was 64.2%. 2. Total moisture consumption under bare soil condition had an order of loam>sandy loam>sand and their average was 4.2mm. 3. The amount of irrigated water to keep certain soil moisture under bare soil condition showed minimum in sand and maximum in loam. It is considered because the capillary phenomenon was more developed in loam. 4. Total moisture consumption of tomatoes under premature cultivation showed 925mm in maximum and had on order of loam>sandy loam>sand. In the aspect of re-irrigation point, it had an order of PF 1.5> PF 1.7>PF 2.1. In case the twenty years's drought frequency was taken into account, the target amount of irrigation water meeded for premature cultivation was 916mm and its average daily moisture consumption was 10.8mm. 5. Total moisture consumption of red pepper under open cultivation showed 1145mm in maximum and had an order of loam>Sandy loam>sand. In the aspect of re-irrigation frequency was taken into consideration the target amount of irrigation water was 1,174.8mm and its average daily moisture consumption was 8.0mm. 6. Total moisture consumption of autumn chinese cabbages was 349mm in maximum and had an order of loam>sandy loam>sand. In the aspect of re-irrigation point, it had an order of PF 1.5>PF 2.1>PF 2.7. In case the twenty year's drought frequency was taken into account, the target amount of irrigation water needed for chinese cabbage cultivation was 259.5mm and its average daily moisture consumption was 6.5mm. 7. It is effective to keep the soil moisture of tomato from PF 1.5 to PF 2.1 in loam and the soil moisture control was effective in sandy loam than red pepper and chinese cabbage. In sand, the production was severaly decreased and the re-irrigation point of PF 1.5 was effective.

전작물 수분 소비량 조사 연구(II)

김시원,최덕수 한국농공학회 1985 한국농공학회논문집 Vol.27 No.1

To define the amount of consumptive use of upland crops, the moisture consumption characters were investigated with different soil moisture content by soil properties(loam, sandy loam, sand) at the experimental farm of Kon-Kuk University from April 20 to July 20 1984. The results obtained are summarized as follows; 1. Total moisture consumption under bare soil condition had an order of loam> sandy loam> sand and showed an order of pF 1.5> pF2. 1> pF 2.7 by re-irrigation point and the average during the experimental period (92days) was 435. 9mm and the daily average moisture consumption was 4. 7mm. 2. The moisture consumption characters of bare soil plot obtained showed that the amount of irrigation water per one time and the days of intermission increased and, on the contrary, the times of irrigation and the total amount of irrigation water decreased by the increment of re-irrigation point in the same soil 3. Total moisture consumption of spring cabbage under open cultivation showed 528.6 rim in maximum and had an order of loam> sandy loam> sand. In the aspect of rc-irrigation point, it had an order of pFl. 5> pF 2.1> pF 2.7. In case the planning basic year was taken into account, the amount of irrigation water needed for open cultivation was 456. 3 mm and its average daily moisture consumption was 6. 2mm. 4. Total moisture consumption of summer cucumber under open cultivation showed 635. 8mm in maximum and had an order of loam> sandy loam> sand. In the aspect of re-irrigation point, it had an order of pF 1.5> pF2. 1> pF2. 7 In case the planning basic year was taken into consideration, the amount of irrigation water was 516. 9mm and its aversge daily moisture consumption was 6. 5mm. 5. The result of cabbage cultivation showed its maximum yield in loam soil when the pF values were maintained from 1,5 to 2.1 and then the evapotranspiration ratio was 1, 76 and also when the amount of irrigation water were similar, it showed effective to reduce the days of intermtission. 6. The result of cucumber cultivation showed its maximum yield in sandy loam soil when the pF value maintained from 1.5 to 1.7 and when the irrigation point maintained at pF 2,7 in sandy soil, its yield was severely decreased.

여수토 방수로의 수리모형검시에 관한 연구

김시원 한국농공학회 1966 韓國農工學會誌 : 전원과 자원 Vol.8 No.3

'This hydraulic experiment have been practised Juk an Reservoir spillway and discharge 'channel which the province Kyong Buk was constructed and designed U. hook, for seizing all state of hydraulic. As result of the experimellt planning and making the model test, it has gained the necessary data at the amendment, projection of the most rational and economical result. 1. Project (1) Experiment project....1/30 of the discharge (2) project flood....0.01945 $m^3$/sec (rapidly) 2. Design Experiment It were sighted the water level for the nine point (L. & R. sides of No. O, L. & R. of No.1, L. side of NO.2, NO.3, No. 4 and NO.5), but it appeared each other that the lowest water level was 0.63 m at spillway (No.5) and the highest water level 0.735m less than planning water level O.75 m at No. 0. It was regarded as the phenomena appearing the difference from the calculation of the rational formular and coefficient of discharge. 3. Experiment examine E. ${\circled1}$ As a table (2) it had not a difference in comparision with design and was some lower value than design experiment's. E ..${\circled2}$) !twas same table (3) in a consequence of Experiment contracted Rocky cutting. E.${\circled3}$. ${\circled4}$ It was done amend.ment Experiment by elevating G.H. in only control point, but was not sure result as a table (2)(3)(4), and so it was changed largely in ${\circled5}$ Experiment. E. ${\circled5}$ Increasing water level was understanded to be proportion to $V^2$ in consideration of centrifugal force in the curve part and showed velocity contracting in curve the effect order's being regular in consequence of 1/6 sloped extending G.H. attached from 5 No. 0 to 1. 50 m, to S No. 0+5m. (S; discharge channel number).

한해시기 및 작물생육기별 물관리의 수호량에 미치는 영향 조사

김시원 한국농공학회 1970 韓國農工學會誌 : 전원과 자원 Vol.12 No.2

방재와 당면과제

김시원,Kim, Si-Won 한국과학기술단체총연합회 1980 과학과 기술 Vol.133 No.-