• Journal of the Korean earth science society
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• v.21 no.1
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• pp.40-40
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• 2000

After analyzing the record of climate of the Chosun era with the weather data written on the true history of the Chosun Dynasty, and in comparison with the latest weather data in Seoul, the following conclusion has been reached. It s not easy to restore the climate of the Chosun era with the true history of the Chosun Dynasty only, for the data of the Chosun era is nothing but 5.4% of that the recent 10 years, centering around Seoul. The number of days of the praying for rain and fine weather have nothing to do with those of precipitation. The monthly number of days of precipitation and hail are similar to those of the recent 10 years, even though the data is not enough. The situation of the days of frost and fog are very different from that of the recent ,10 years. This suggests that they recorded the situation when there was a lot of casualties to men and property, while they didn't record it when there were no casualties because the precipitation occured at the time.

• Journal of the Korean earth science society
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• v.21 no.1
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• pp.41-50
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• 2000

After analyzing the record of climate of the Chosun era with the weather data written on the true history of the Chosun Dynasty, and in comparison with the latest weather data in Seoul, the following conclusion has been reached. It's not easy to restore the climate of the Chosun era with the true history of the Chosun Dynasty only, for the data of the Chosun era is nothing but 5.4% of that the recent 10 years, centering around Seoul. The number of days of the praying for rain and fine weather have nothing to do with those of precipitation. The monthly number of days of precipitation and hail are similar to those of the recent, years, even though the data is not enough. The situation of the days of frost and fog are very different from that of the recent.10 years. This suggests that they recorded the situation when there was a lot of casualties to men and property, while they didn't record it when there were no casualties because the precipitation occured at the time.

• Journal of Science of Art and Design
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• v.12
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• pp.145-191
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• 2007

21세기는 과학적 물질문명의 발달로 인하여, 과거에는 느껴보지 못했던 물질문명의 풍요를 이끌어 냈으며, 컴퓨터, 메스미디어의 발달로 인하여, 인간 문명의 관심은 지구계를 벗어나 우주론적으로 확장되어 마침내 우주시대를 열었다. 하지만 인간의 이성과 함께 영원하리라 믿었던 과학적 합리성은 20세기 초두에 제국주의적 전쟁을 일으키게 되었으며, 그로 말미암아 이성 파괴 현상이 드러나게 되었다. 급기야 20세기말에 이르러 다원주의라 칭하기도 하는 후기산업사회의 병적 증후군들, 국가간의 경제전쟁, 컴퓨터 및 각종 정보매체를 통한 신속한 정보교환의 이면에는 인간의 자기정체성의 혼돈을 아울러 초래하게 되었다. 과학기술의 발달로 생태계 및 환경은 오염되고 파괴되었다. 20세기말에는 산성비, 엘니뇨, 라니냐 현상으로 인하며, 환경의 재앙을 초래하면서 이제 인간은 문명에 대하여 여태껏 가져왔던 확고한 믿음에 회의를 갖게 된 것이다. 이와 같은 현상은 인간의 주체적 인식과 과학적 믿음의 지나친 숭배로 인하며 자연도 인간에 의하여 지배되고 인간을 위해서만 존재하는, 인간과 자연의 이원론적인 생각 즉, 인간의 이성에 의해서만 가능하다고 생각한 "근대적 주체"에 대한 맹신의 결과인 것이다. 이렇듯 20세기의 문제점은 21세기로 전가되어 여전히 계속되고 있으며, 세계내의 가장 큰 문제점은 전쟁, 기아 등 보다 이제는 오히려 환경. 생태문제로 귀결되어 지구의 생존권 자체가 위협을 받게 되었다. 미술도 서구문명의 근대주의적 영향에 의해서 모더니즘 등 이성위주의 미술인 "근대 주체적 미술"로 발전하였지만 포스터모더니즘에서 보여 지듯 이미 인간의 순수한 이성을 근간으로 한 미술에 있어서의 주체성 주장은 상당부분 무너졌으며, 이제는 장르의 해체와 다원화 현상으로 나아가게 되었다. 환경파괴에 직면하여 이제 주체는 자연이라는 타자를 새롭게 등장시킨다. 그리하여 생명중심주의, 전체론, 감각 중심주의 등 인간과 자연이 함께 공생하는 자연을 향한 생태적인 미술이 절실히 요구되는 것이다. 이에 본 연구논문은 무비판적 서구미술에 동요되지 않고, 지극히 자연적이고 동양적이기도 한 끊임없이 생명력을 창출해 내는 자연에 관심을 같게 되었으며, 환경의 중요성과 함께 생태학적 미술, 즉 생태미술에 본인의 작업을 관계시키고자 한다. 근대적 문명사에 의해 매장된 생태적 유기성의 흔적을 고고학적 탐사방법을 통하며 발굴해 내며, 환경윤리와 생태학, 심층 생태학, 북친의 '사회 생태학'을 수용하여 물질성의 생태적 복원과 함께 조형공간의 다원성에 대한 생태 미술의 일단을 규명코자 하였다.

• 한국지구과학회:학술대회논문집
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• 2010.04a
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• pp.101-102
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• 2010

규화목은 목본식물의 2차목부가 화석화된 것으로 화석화 과정에서 여러 종류의 무기물이 세포를 치환하거나 세포의 내강 또는 간극에 침투하여 고화된 것이다. 이 과정에서 목재의 해부학적 구조가 잘 보존되는 경우가 많고 이를 통해 목재의 수종을 비교적 정확히 동정할 수 있을 뿐만 아니라 과거 환경에 대한 정보를 얻을 수 있다. 목재는 유관속 형성층에 의해 매년 새롭게 형성되어 축적되며 형성된 조직은 성장하는 당해 기후변화를 반영하게 된다. 따라서 화석목재를 통해 과거 기후조건을 복원할 수 있는 정보를 얻을 수 있는 경우도 많다). 본 연구는 포항 분지의 신제3기 마이오세 장기층군에서 채집한 규화목의 조직과 나이테 분석을 통해 고환경을 해석한 것이다. 장기층군에서 채집한 15개의 규화목 표본 중 나이테가 잘 나타나는 5개 표본에서 나이테를 분석하고 그중 조직이 잘 보존된 1개의 표본에 대해 목재해부학적 연구를 수행하였다. 나무가 성장함에 따라 나타나는 나이테의 폭은 환경적 요인 등으로 매년 일정하지 않다. 이런 인접연륜간의 연륜변동성을 알아보기 위해 연륜연대학(Dendrochronology)에서 널리 사용되는 평균민감도 측정 방법을 사용하였다. 평균민감도는 연륜변동이 어느 정도있느냐를 알아보는 것으로 인접한 연륜들 사이의 차이를 측정하여 인접연륜간 연륜변동성을 나타낸다. 평균민감도 값이 크면 연륜폭 변동이 크다는 것을 의미하며 나무가 자라는 당시 환경인자의 변화량이 컸다고 해석할 수 있다. 조직이 잘 보존된 1개의 표본은 목재해부학적 특징상 느릅나무과(Ulmaceae) 느릅나무속(Ulmus)으로 동정되었다. 또한 5개 표본의 나이테를 분석한 결과 평균민감도는 0.34~0.41 범위를 나타내며 전체 평균은 0.37의 값을 갖는 것으로 나타났다. 이것은 규화목 생성 당시 환경이 온대기후를 지시하며, 물 공급이 매년 계절적인 제한을 받았거나 다양한 변화가 있어 계절적으로 강수량 변화가 있었음을 지시한다.

• 한국지구물리탐사학회:학술대회논문집
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• 2001.09a
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• pp.104-121
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• 2001

Recently, the pollution of soil and groundwater becomes a serious social problem, and geophysical exploration methods have been introduced as a remedial investigation method of subsurface. Digital technologies such as personal computer have revolutionized our ability to acquire large volume of data in a short term, and to produce more reliable results for subsurface image. Also, color graphics easily visualizes the survey results in a more understandable manner, and it is widely used for not only characterizing the contaminated subsurface but also monitoring contaminant and remedial process. In this paper, electrical resistivity and electromagnetic (EM) surveys were carried out in order to understand characteristics of waste landfills, and the applicability of geophysical prospecting to site assessment of waste landfill was also tested. According to the result, electrical resistivity and electromagnetic (EM) surveys were effective in estimating distribution of the leachate plume.

• Korean Journal of Heritage: History & Science
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• v.48 no.2
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• pp.82-95
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• 2015

Cultural heritage contains traditional values and we have to conserve its intrinsic value. But in the other hands it is argued that it's no need to preserve heritage for its own sake, and nowadays we appreciate that active use of heritage is enhancing its value and making position secure in its society. It will need not only to protect heritage, but also to ensure its use, and its economic value are harnessed to the benefit of local communities. We are going to enter upon experience economy through information society and to have a creative economy policy discourse. The effects of globalisation on societies are manifested in the attrition of their values, identities of vernacular heritage. Therefore relationship between development and heritage must be examined. In this article I suggest the methodologies of vitalizing cultural heritage based creative industries, especially through making the creative ecosystem and optimising the performance of the cultural heritage based cluster.

• Journal of the Korean Institute of Landscape Architecture
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• v.41 no.3
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• pp.43-55
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• 2013

The purpose of this study is to propose a plan that properly organizes urban close-to-nature streams by evaluating the city park functions, ecological functions and landscape functions required for urban stream and setting up space function suitable for the space. The site of this study is Hongjecheon located in Seodaemun gu of Seoul City, whose length of channel spans 6.12km in total. The plan for the construction of close-to-nature streams had been established from late 2003, and the construction was completed. Evaluation Categories and indications were deduced from 4 stages. First, based on theoretical examination, we made a list of stream and park evaluation categories and added Category about Characteristic of urban streams. Next, we set Final Evaluation Categories and indications through the process of goal-relevance, indication verification, merging similar category. Final Evaluation Categories were deduced such as usage demand, usability(city park functions), biodiversity, inhabitation potential, rarity(ecological functions), historical cultural elements, and landscape Quality(landscape functions). As a result of allotting space functions, zones 1 through 4, got high grades at usage demand, was classified as a civic resort district; zones 5 through 6, close to major green area and remained original landscape, as ecological conservation and restoration district; zones 7 through 8, get high grades at usage demand and usability, as environmentally-friendly use district; and zones 9 through 10, many historical cultural elements and view points, and high green possession rate, as stream scenic district. In addition, detail space function and construction plan for each zones were proposed. As a result of this study, proposed space function assignment considering natural characteristics, humanities and social characteristics and landscape characteristics and is expected to be utilized at reasonable spatial planning considering various functions required for urban stream.

• Journal of the Korean Institute of Traditional Landscape Architecture
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• v.28 no.2
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• pp.86-97
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• 2010

The royal tombs of the Joseon dynasty are very important cultural heritage with the palaces and Jongmyo. They being promoted as World Heritage of UNESCO and are archaeological sites that need to complex approach. The purpose of this study is to propose the restoration plan of Gimpo Jangreung. The results are as follows: First, in the area of Gimpo Jangreung, there are many land-use except the royal tombs such as a military camp and industrial districts, Public Cemetery, they have to be removed and new routes have to be established same as the original form. Second, the traditional trees such as a pine tree, a fir tree, a big cone pine and a rhododendron etc. have to be planted in the traditional forest. We introduce upper trees and lower trees in the entrance part and religious service part, and pine tree forest in burial mound part and maintain the lawn. Third, the traditional buildings and facilities such as Hongsal-gate, Jaesil, Suragan, Subokbang and Uhjwong have to be restored maintained, and we planed some convinient facilities and rest facilities for visitors.

• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.37 no.4
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• pp.233-242
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• 2019

ZHD (Zenith Hydrostatic Delay) model is important parameter in estimating of GNSS (Global Navigation Satellite System) PWV (Precipitable Water Vapor) along with weighted mean temperature. The ZWD (Zenith Wet Delay) is tend to accumulate the ZHD error, so that biases from ZHD will be affected on the precision of GNSS PWV. In this paper, we compared the accuracy of GNSS PWV with radiosonde PWV using three ZHD models, such as Saastamoinen, Hopfield, and Black. Also, we adopted the KWMT (Korean Weighted Mean Temperature) model and the mean temperature which was observed by radiosonde on the retrieval processing of GNSS PWV. To this end, GNSS observation data during one year were processed to produce PWVs from a total of 5 GNSS permanent stations in Korea, and the GNSS PWVs were compared with radiosonde PWVs for the evaluating of biases. The PWV biases using mean temperature estimated by the KWMT model are smaller than radiosonde mean temperature. Also, we could confirm the result that the Saastamoinen ZHD which is most used in the GNSS meteorology is not valid in South Korea, because it cannot be exclude the possibility of biases by latitude or height of GNSS station.

• Journal of Environmental Impact Assessment
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• v.30 no.3
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• pp.141-154
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• 2021

In this study, the effect of the restoration of Yaksa stream and the construction of an apartment complex by the urban renewal project in the Yaksa district of Chuncheon on air quality in the surrounding area was evaluated using computational fluid dynamics (CFD) model simulations. In orderto compare the impact of the project, wind and pollutant concentration fields were simulated using topographic data in 2011 and 2017, which stand for the periods before and after the urban renewal project, respectively. In the numerical experiments, the scenarios were set to analyze the effect of the construction of the apartment complex and the effect of stream restoration. Wind direction and wind speed data obtained from the Chuncheon Automated Synoptic Observing System (ASOS) were used as the inflow boundary conditions, and the simulation results were weighted according to the frequencies of the eight-directional inflow wind directions. The changes in wind speed and NO_X concentration distribution according to the changes in building and terrain between scenarios were compared. As a result, the concentration of NO_X emitted from the surrounding roads increased by the construction of the apartment complex, and the magnitude of the increase was reduced as the result of including the effect of stream restoration. The concentration of NO_X decreased around the restored stream, while the concentration increased significantly around the constructed apartment complex. The increase in the concentration of NO_X around the apartment complex was more pronounced in the place located in the rear of the wind direction to the apartment complex, and the effect remains up to the height of the building. In conclusion, it was confirmed that the relative arrangement of apartment complex construction and stream restoration in relation to the main wind direction of the target area was one of the major factors in determining the surrounding air quality.