The spatial distribution characteristic of fish community were investigated at the 10 habitat types in the Nonsan stream from August, 2008 to June, 2009. The collected species during the surveyed period were 26 species belong to 6 families. Korean endemic species were Sarcocheilichthys nigripinnis morii, Squalidus japonicus coreanus, Hemiculter eigenmanni, Pseudobagrus koreanus, and Odontobutis interrupta which showed 19.2% ratio of total species. Dominant species was Zacco platypus, and subdominant species was Tridentiger brevispinis. Dominant species according to habitat types were Micropterus salmoides(substrate type pool and rock type pool), Lepomis macrochirus(channel connected pool and channel unconnected pool/abandoned type pool), T. brevispinis(channel unconnected pool/overflow type and run) and Z. platypus(riffle, meander type pool, side channel, and dam type pool). As a results of community analysis in side channel, diversity index showed relatively high values, indicating that habitat types in the Nonsan stream have relatively stable community structure. Bray-curtis cluster analysis indicated that the meander type pool and riffle showed the most similar values(80.8%). Moreover, cluster and principal component analysis were classified as 2 groups(lotic and lentic habitats).
This paper aims to clarify the historical background and the architectural purpose of the buildings in NakSunJae area to the original state. Through the investigation, the clarified facts are as follows. 1. The relation with the buildings for the Crown Prince in the ChangDok Palace By constructing buildings in the NakSunJae area, the spatial conception of the Royal Palace was changed, that is, buildings for the Crown Prince in the ChangDok Palace disappeared and they became to belong to the ChangGyeong Palace. Moreover, by constructing the NakSunJae and its attached buildings, the area for the Crown Prince shifted to use as a private area for the king. 2. The date and the purpose of the construction The NakSunJae area is consisted of three compounds of building: NakSunJae, SukBokHun and SooKangJae. The NakSunJae was constructed for the king HunChong's private occupancy in 1847 and the SukBokHun for a residence of a royal concubine Kim, in 1847. The SooKangJae was originally built in 1785 in the SooKang Palace where the ex-king took up as his residence after abdicate the throne. Later on, it was repaired as the residence of the Queen SoonWon, king HunChong's grandmother, in commemoration for the 60th anniversary of her birth in 1848. 3. Architectural features of the NakSunJae area at the time of construction First, as the NakSunJae area is surrounded by quite high hills in northeast and by low hills in southwest, it is naturally distinguished from its surroundings and gives a cosy feeling. Second, the NakSunJae area shows very untrammeled style of arrangement in general, because it was constructed as a private occupancy for the king. other buildings are arranged in the latticing orderly, nonetheless, they are free by themselves from a strict form and make themselves an area full of variety. Third, the buildings in the NakSunJae area have a characteristic of naivety of common people's houses, because they were not an official but private place for the king, his concubine and his grandmother. Forth, the ornaments in the NakSunJae area are variously, elegantly and harmoniously patterned with the meaning of good luck. Fifth, back garden in the NakSunJae area was made by taking advantage of sloping hills. The back garden is beautifully configurated by arranging various constituent elements of pavilions, tiered flower beds, chimneys, decorated walls, small doors between walls, stoneworks and trees.
This study is contributed to examine the vegetation characteristics of the Quercus mongolica which are located in between two summits, hyangnobong and gitdaebaggybong, with dividing two regions(I, II). A total of 63 Quercus mongolica communities were enrolled in this survey. A~E, 5 communities were the result of analysed classification by TWINSPAN. Spatial distribution of the communities; 'A' community is concentrated at an altitude of about 1,300 meters in Mt. Taebaek(II region). 'B' and 'C' communities are concentrated at an altitude of between 700 and 1500 meters in Mt. Seorak and Odae(Iregion). 'D' and 'E' communities are concentrated at an altitude of below 1,100 meters in Mt. Cheongok and geumdaebong(II region), and also Mt. Seorak and Odae(Iregion). Arboral and shrub populations, maximum species diversity and height of arboral of each communities have a characteristic of decreasing according to increasing altitude gradually. And the result of studying on arboreal growth increment with up to 40-year-old trees, there is no special tendency with growth increment in the altitude of subnormal 1,100 meters, but there is a tendency that growth increment becomes lower in the altitude of more than 1,100 meters. In correlation analysis, it is -0.53 in the Quercus mongolica and Betula costata community at an altitude of over 1,000 meters, the correlation shows negative(-). It is +0.59 in the Quercus mongolica and Rubus crataegifolius community at an altitude of less than 1,000 meters, the correlation shows positive(+). And those are cognate trees with the correlation of Betula costata, Betula costata Trautv., Tripterygium regelii Sprague&Takeda., Acer barbinerve Maxim. With a summary of the results, the changes in the environment according to the elevation affect Quercus mongolica community.
The strong turbulence characteristic of typhoon not only will significantly change flow field characteristics surrounding the large-scale wind turbine and aerodynamic force distribution on surface, but also may cause morphological evolution of coast dune and thereby form sand storms. A 5MW horizontal-axis wind turbine in a wind power plant of southeastern coastal areas in China was chosen to investigate the distribution law of additional loads caused by wind-sand coupling movement of coast dune at landing of strong typhoons. Firstly, a mesoscale Weather Research and Forecasting (WRF) mode was introduced in for high spatial resolution simulation of typhoon "Megi". Wind speed profile on the boundary layer of typhoon was gained through fitting based on nonlinear least squares and then it was integrated into the user-defined function (UDF) as an entry condition of small-scaled CFD numerical simulation. On this basis, a synchronous iterative modeling of wind field and sand particle combination was carried out by using a continuous phase and discrete phase. Influencing laws of typhoon and normal wind on moving characteristics of sand particles, equivalent pressure distribution mode of structural surface and characteristics of lift resistance coefficient were compared. Results demonstrated that: Compared with normal wind, mesoscale typhoon intensifies the 3D aerodynamic distribution mode on structural surface of wind turbine significantly. Different from wind loads, sand loads mainly impact on 30° ranges at two sides of the lower windward region on the tower. The ratio between sand loads and wind load reaches 3.937% and the maximum sand pressure coefficient is 0.09. The coupling impact effect of strong typhoon and large sand particles is more significant, in which the resistance coefficient of tower is increased by 9.80% to the maximum extent. The maximum resistance coefficient in typhoon field is 13.79% higher than that in the normal wind field.
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
/
v.25
no.3
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pp.257-266
/
2007
The research on red tide is generally in progress through field work, such as the naked eye and sampling. It was difficult to forecast exactly the course, from appearance of red tide to disappearance. with the established ways of investigation and analysis. Accordingly it is need to analyze environmental factors in time and space, the appearance of red tide and the path of its migration by more objective and scientific methods. In this study, GIS is applied to analyse the space character of red tide and the interpolation of IDW(Inverse Distance Weight) is applied to assume the density distribution of red tide after gather data by using Arc/Info. After IDW interpolation, the sea area occurred over 1,000 cells/ml of red tide density is extracted with CON and SUM Function of Grid Module, and the density of the sea area is accumulated daily. As a result of this study, the distribution condition of red tide is found timely and spacially by applying GIS to the sea area of red tide, the results indicated that the spatial density and the cumulative frequency about the origin of red tide using GIS, the sea area demonstrated that the maximum density and the maximum frequency varied significantly over the Nammyun of Namhae-Is. with the maximum frequency being 49 times. accordingly if data about the areas of red tide will occur from the present are accumulated, the shifting route of red tide occurrence and extinction can be predicted.
The history of Korean Pungsu can be approached from two perspectives. One is through the history of its theoretical formation and evolution, and the other is through the history of its social and cultural formation and evolution. The former, i.e. Pungsu theories, was produced and developed by intellectuals as an elaborate system of cosmic knowledge and logic. The latter, i.e. Pungsu culture, was consumed and adopted by various social groups in their spatial life practices. It was Chinese intellectuals that originally initiated and carried out the production, formation, and development of the fengshui theoretical system. Intellectuals in neighboring countries adapted Chinese fengshui to their local environment, incorporating their own historical and cultural features, and practiced this transformed and indigenized form of geomancy. The evolution of Korean Pungsu can be summarized as having the following five characteristics. First, Koreans accepted fengshui from China, pragmatically adapting it to fit the Korean natural and social environment, and then used it for social discourse on space. Second, Pungsu had a comprehensive and varied influence on Korean culture throughout its different historical periods. Third, combined with social thought led by differing social classes, Korean Pungsu existed as an element of social discourse. Fourth, Koreans' theoretical preferences of fengshui were for the landform method over the liqi (理氣) method. Fifth, the Bibo philosophy was a characteristic feature of Korean Pungsu.
Journal of the Korean Institute of Traditional Landscape Architecture
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v.34
no.3
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pp.1-17
/
2016
The main aim of this study is to provide an overview of the characteristics the Oungak (五雲閣) area on the north of rear garden of Gyeongbokgung Palace which was constructed during the time of king Kojong. This study also consider the aspect of functional elements of Ocryucheon (玉流川) located in Changdeokgung Palace and how the Oungak area was used as a substitute for the Ocryucheon. The Oungak area is the private space of the king. It was built in a natural setting which used existing environment including spring water and the rock carved with inscriptions 'Cheonha-Jaeil-Bokji (天下第一福地). King Kojong tried to replace Ocryucheon with Oungak area which had played a important role of relaxation and leisure for royal family at the Ocryucheon to reconstructed Gyeongbokgung Palace. Despite being away from each other, Oungak area seems quite similar to Ocryucheon area. Oungak area and Ocryucheon have a common conditions of a location and structure of the building. Both constructed on the northernmost part of rear garden, composition of buildings and the design of waterway estimated to function as Curve-Stream Banquet. Oungak area was consisted of Ocryeonjeong (玉蓮亭) Pavilion, Oungak Building, Byeokhwasil (碧華室) Building and Cheonha-Jaeil-Bokji-Cheon (天下第一福地泉) Spring and Streams. Except Byeokhwasil Building, spatial compositions of Oungak area showed pattern that were similar to Ocryucheon area. The area was developed, moreover, to unconventional space that depended on the conditions of topography, slope, water system. First, The Ocryeonjeong Pavilion constructed to view the landscape of Seoul to Namsan Mountain. Second, the peculiar form of Cheonha-Jaeil-Bokji-Cheon Streams is estimated the shape imitated from Curve-Stream Banquet on Ocryuchon. Third, Oungak Building was constructed like a habitable house with Nongsanjeong Building in Ocryucheon. The Oungak area was constructed to improve Gyeongbokgung Palace, Consequently, the Oungak area specially characteristic of Joseon palaces's rear garden.
Animation is showing the highest record in entertainment around the world and writing the history of 3D animation again. The image contents effect thanks to the proper introduction of the state-of-art digital technology, which is one of the causes of the outstanding entertainment and the factual reproduction of the images, provided an opportunity to transmit the meaning of image aesthetics, which is a virtual reality and image reproduction through the reality realization of photo medium, and to reinterpret the boundary of virtual reality. Especially, the development of digital contents technology due to scientific technologies demolishes the boundary of virtual reality and reality and creates the effect of making viewers be absorbed by realizing the virtual reality by means of 3D reality images which highlight the special characteristic of photos. The aspect of the contents technology and image aesthetics which can be interpreted in a view point beyond the existing concept of reality is found in the aura theory of Benjamin and in the Simulacres of Baudrillard. The 3D image by photo-reality herein presents various suggestions in the aspect of real existence of spatial expression, the meaning creation process of reality, the existence value of virtual images.
In church building, the worship space performing practical rituals and making a place of friendship and education has a role to accept the changing services with the times. And it is also distinguishable from the chaotic surroundings and is the space for religious experience of christian identity we cannot experience in our daily life. Therefore it is very important to investigate its characteristic as the space for religious experience. The important purpose of church building is to make up a worship space, and the chancel in worship space is said to be the core in church building, the center of all worship acts. Especially, today with the tendency of multi-functionalizing and opening in worship space, the chancel in worship space has a more special meaning as spatial, functional and symbolic center. The purpose of this study, with the worship space in domestic protestant churches, is to make up basic data for the worship space plan and interiordesign in church building by analyzing the characteristics of interior design for chancel, the core field of worship space. This study has researched the constituentcharacteristics of interior design for the chancel in worship space in domestic protestant churches in 10 years from 1995 to 2004. And found the worship space opening and multi-functionalizing with the changing times. From now on, the study on interior design for creative worship space should be researched positively for the purpose of expressing the christian identity and the opening and muti-functions, on the basis of christian theology.
The existing QoS mechanisms for video streaming are short of the consideration for various user environments and the characteristic of streaming applying programs. In order to overwhelm this problem, studies on the video streaming protocols exploiting scalable video coding (SVC), which provide spatial, temporal, and qualitative scalability in video coding, are progressing actively. However, these protocols also have the problem to deepen network congestion situation, and to lower fairness between other traffics, as they are not equipped with congestion control mechanisms. SVC based streaming protocols also have the problem to overlook the property of videos encoded in SVC, as the protocols transmit the streaming simply by extracting the bitstream which has the maximum bit rate within available bandwidth of a network. To solve these problems, this study suggests TCP-friendly network adaptive SVC streaming(T-NASS) protocol which considers both network status and SVC bitstream property. T-NASS protocol extracts the optimal SVC bitstream by calculating TCP-friendly transmission rate, and by perceiving the network status on the basis of packet loss rate and explicit congestion notification(ECN). Through the performance estimation using an ns-2 network simulator, this study identified T-NASS protocol extracts the optimal bitstream as it uses TCP-friendly transmission property and perceives the network status, and also identified the video image quality transmitted through T-NASS protocol is improved.
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