• 대기
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• 제32권1호
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• pp.1-15
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• 2022

Recently, Japan's Meteorological Research Institute presented the d4PDF database (Database for Policy Decision-Making for Future Climate Change, d4PDF) through large-scale climate ensemble simulations to overcome uncertainty arising from variability when the general circulation model represents extreme-scale precipitation. In this study, the change of precipitation characteristics between the historical and future climate conditions in the Yongdam-dam basin was analyzed using the d4PDF data. The result shows that annual mean precipitation and seasonal mean precipitation increased by more than 10% in future climate conditions. This study also performed an analysis on the change of the return period rainfall. The annual maximum daily rainfall was extracted for each climatic condition, and the rainfall with each return period was estimated. In this process, we represent the extreme-scale rainfall corresponding to a very long return period without any statistical model and method as the d4PDF provides rainfall data during 3,000 years for historical climate conditions and during 5,400 years for future climate conditions. The rainfall with a 50-year return period under future climate conditions exceeded the rainfall with a 100-year return period under historical climate conditions. Consequently, in future climate conditions, the magnitude of rainfall increased at the same return period and, the return period decreased at the same magnitude of rainfall. In this study, by using the d4PDF data, it was possible to analyze the change in extreme magnitude of rainfall.

• 대기
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• 제25권3호
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• pp.407-433
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• 2015

First half of my article focused on analyzing the current state of historical materials regarding weather and climate, and established a list of weather-related historical literature collection of Korea with which to make a lexical approach to the situations of all kinds of weather literature. It also put emphasis on gathering information and data of weather logs from journal-type historical records which were contained in 48 weather-related journals of Choseon period. The results of this research are expected to be useful for the activation of study in historical meteorology. The latter half of my research focused on analyzing various meteorological states of sunny, cloudy, rainy, snowy and frosty weather which were recorded in the official Annals of King Kojong (1864~1907). And it re-verified historical rainfall data of preceding researches of Wada Yuji (1917), Jung-Lim (1994), Jhun-Moon (1997). In result, different records were found between data of theirs and mine. It means that we have to analyze and reconstruct newly the meteorological data of the Annals of King Gojong and the Daily Records of Royal Sungjungwon (1623~1910) during the late Choseon period.

• 복식
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• 제52권4호
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• pp.15-23
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• 2002

The purpose of this study was to pave the way to improve the quality of historical clothing and textiles and to search for the advisable direction of future studies by examining and analyzing the interdisciplinary approach of historical clothing and textiles related articles published in The Korean Society of Costume. For this analysis, the data were included 124 historical clothing and textiles research articles published in The Korean Society of Costume from 1980 to 2001 March. The followings show the results of this study. 1. The five dominant interdisciplinary fields of historical clothing and textiles were Identified : anthropology, art history, pop music, archaeology, sociology 2. The interdisciplinary research has been actively approached in historical clothing and textiles. 3. The most frequently approached field of the interdisciplinary researches of historical clothing and textiles was art history 4. The period that has most variety interdisciplinary fields was the present age. The studies of future historical clothing and textiles should be approached in more diverse areas of interdisciplinary way and time periods.

• KIEAE Journal
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• 제14권2호
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• pp.47-59
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• 2014

In the present circumstance of exploring measures for sustainable development, finding and using planning elements of historical city is getting important as a urban planning tool. Thus this study aims to examine the characters of Korean traditional urban form through three periods, Josun, modern and contemporary eras. Three urban centers representing different characteristics were selected; historical center based on 14th century's traditional planning, modern period urban center, which is related with development of railway, and contemporary urban center of late 20th century. Analyse of urban tissue, composed with form and scale of street network, blocks and plots, shows that each urban center of Seoul has certain common attributes in terms of morphology in spite of the difference of formation and development period. However this historical urban forms are rarely applicated in the current urban planning, such as new-town planning or district unit plan. This shows the necessity of modification of urban regulation for preserving the identity of our city and pursuing sustainable development.

• 한국사회복지학
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• 제40권
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• pp.226-269
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• 2000

The objective of this study is to investigate the process of development of social work and divide it historically during the Korean Modern Times. At first, I investigated this period's "societal" situation (political, economical, social situation) which is closely related to social work and made a historical division. And I wrote down the social welfare policy and social services concretely and I interpreted this period's historical meaning. At the end of the Cho-Sun dynasty, although a modern social work movement had come about naturally in the Korean peninsula, it was nearly destroyed by the Japanese aggression. However, it could have expanded consistently and come to maturity because of a national self-awakening and peoples' vigorous participation after the 3 1 national movement. But unfortunately, as the social work come to be exploited by the Japanese Imperialist powers, it lost its purity its essential purpose and was changed. After World War II, no one was made to take responsibility for those historical facts, and under the name of Social Welfare many ordinary citizens became scapegoats, and passed silently over to the period of American military occupation which was another time of transition in the Korean peninsula. There have been few studies undertaken concerning social welfare during the Japanese occupation. These studies will help to indicate what influence the Japanese had on the development of Korean social welfare after the Japanese occupation. I anticipate many studies on this subject will follow.

• 한국도서관정보학회지
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• 제31권2호
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• pp.139-167
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• 2000

한국의 목록규칙 발전과정은 전통적 단일기입목록 시기(고려시대부터 1923년 경까지), 서양식 목록규칙 도입기(1923년경부터 1954년 이전까지), 국제 표준화기(1954년 이후부터), 자동화목록기(1980년 이후부터)로 구분할 수 있다. 본 연구에서는 전통적 단일기입목록 시기와 서양식 목록규칙 도입기를 중심으로 목록의 구성이나 표목선정과 관계되는 목록의 편성체계, 그리고 문헌의 식별과 관계되는 서지기술체계 등을 고찰하였다.

• 대한지리학회지
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• 제51권1호
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• pp.127-142
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• 2016

조선시대 설악산(백두대간 권역)의 역사지리적 정보를 담고 있는 주요 자료로서 지리지 고지도 유산기를 통해 설악산의 공간 인지 범위, 자연지명의 분포 특성, 유람 경로를 분석하였다. 연구결과는 다음과 같다. 오늘날의 설악산과 조선시대의 설악산은 공간적인 범위 및 지명 영역이 달랐다. 지역적으로 설악산권역과 한계산권역으로 나뉘어 인지되었음도 알 수 있었다. 조선시대에는 현재의 대청봉을 중심으로 설악산이라고 했고, 울산바위는 천후산(혹은 이산), 한계령 북쪽의 산은 한계산이라고 구별해 불렀다. 조선후기에 와서야 일부 문헌에서 설악산이라는 이름이 한계산, 천후산을 포함한 대표 지명으로 나타났다. 지리지 고지도 유산기에 수록된 산지, 고개, 하천 유형의 자연지명 중에서 산지 지명은 가장 많은 빈도수를 보였다. 오늘날 한계령에 해당하는 오색령은 대부분의 고지도에 일반적으로 표기되어 있어서 대표적인 명칭임을 확인할 수 있었다. 조선시대 선비들의 설악산 유산기에 나타나는 가장 일반적인 유람 행로는 백담사$\rightarrow$오세암$\rightarrow$신흥사 코스였다.

• Journal of Forest and Environmental Science
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• 제38권1호
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• pp.1-11
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• 2022

The Dutch colonial government introduced social forestry at the end of the 19th century with a commitment to controlling forest resources in the Dutch East Indies. This program was a response to the rampant deforestation which had resulted in forest degradation and poverty of the population around the forest. This study examined the practice of social forestry in the late colonial period which had not been done much. From a historical perspective, social forestry practices in Indonesia before independence could be explained more comprehensively. This study uses a historical method which includes four stages: heuristic, source criticism, interpretation, and historiography (composing historical stories). Sources of information were explored through studies of archival documents and contemporary artefacts, especially official colonial government reports and contemporary newspapers/magazines. Data from various sources are then compared and tested for validity to obtain data validity. The next stage is to build facts based on data obtained and then interpreted using the social science theories. Finally, compiling a historical (historiographical) story about social forestry during the late colonial period. The results showed that colonial forestry during the colonial period was still limited in terms of area and method, namely in the area of teak forest and involving villagers through the intercropping system. Farmers involved in these activities are called pesanggem who earn income from forest land being rejuvenated. However, the relationship between pesanggem and the forestry service has not been well institutionalized, consequently the pesanggem is often disadvantaged. Including certainty of ownership and ownership of forest land never gained clarity and even became a source of conflict.

• 한국비블리아학회지
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• 제17권2호
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• pp.115-136
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• 2006

국무회의록은 국정 전반의 의사결정 내용을 종합적으로 보여주는 최고위 기록이며, 특히 이승만 시기의 국무회의록은 사안의 중요성과 상대적인 충실성에 있어서 다른 시기에 비해 남다른 가치를 지닌다. 본 연구는 공공기록으로서 국무회의록을 대상으로 연구자는 물론 일반 독자들도 쉽게 역사적 사실에 접근하고 이를 구조적으로 이해할 수 있는 역사컨텐츠 개발을 위한 방법론을 제시하는 것이다. 이를 위해 첫째. 이승만 시기 국무회의록의 내용을 재구성하고 회의 안건들을 위한 DB 설계방법을 제안하였다. 둘째, 안건들을 분석하여 이를 주제사안 분류체계와 연계하고, 각 주제사안별로 부처기록을 연계할 수 있는 방안을 제안하였다. 셋째, 이를 토대로 각 주제사안 별로 역사적 사실을 해석하여 이를 컨텐츠로 개발하는 절차를 제안하였다. 이러한 컨텐츠 방법론은 앞으로 공공기록의 활용범위를 확장하고, 아울러 정치, 경제, 사회 각 영역에 걸친 당대의 정책 사안들을 실증적으로 연구하고 해석할 수 있는 기록정보컨텐츠 개발에 일조할 수 있을 것이다.

• Structural Engineering and Mechanics
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• 제69권2호
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• pp.155-162
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• 2019

It is very common to find an empirical formulation in an earthquake design code to calculate fundamental vibration period of a structural system. Fundamental vibration period or frequency is a key parameter to provide adequate information pertinent to dynamic characteristics and performance assessment of a structure. This parameter enables to assess seismic demand of a structure. It is possible to find an empirical formulation related to reinforced concrete structures, masonry towers and slender masonry structures. Calculated natural vibration frequencies suggested by empirical formulation in the literatures has not suits in a high accuracy to the case of rest of the historical masonry bridges due to different construction techniques and wide variety of material properties. For the listed reasons, estimation of fundamental frequency gets harder. This paper aims to present an empirical formulation through Mean Square Error study to find ambient vibration frequency of historical masonry bridges by using a non-linear regression model. For this purpose, a series of data collected from literature especially focused on the finite element models of historical masonry bridges modelled in a full scale to get first global natural frequency, unit weight and elasticity modulus of used dominant material based on homogenization approach, length, height and width of the masonry bridge and main span length were considered to predict natural vibration frequency. An empirical formulation is proposed with 81% accuracy. Also, this study draw attention that this accuracy decreases to 35%, if the modulus of elasticity and unit weight are ignored.