• 제목/요약/키워드: Landscape classification

검색결과 483건 처리시간 0.023초

도시 지표면 온도분포 특성 및 열섬완화방안 (A Study on the Distribution Characteristic of Urban Surface Temperature and Urban Heat Island Effects)

  • 도후조;이정민;나정화
    • 한국환경과학회지
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    • 제16권5호
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    • pp.611-622
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    • 2007
  • The purpose of this research was to three-criteria landuse-pattern, developing density, NDVI which were related to the heat island and find the distribution characteristic of urban surface temperature and urban heat island effects. The results of this study were as follows. According to the analysis of surface temperatures, the first grade was the outside-city like a mountain and its temperature was less than $12.18^{\circ}C$. The fifth grade was the downtown industrial area and its temperature was more than $23.54^{\circ}C$. It means Daegu-Metropolitan-City has the serious heat-island effect. the results of landuse pattern analysis, in case of fifth and forth grade, city area was occupied over 90% with residential, commercial and industrial areas, but in case of third grade, openspace was occupied over 70%. The results of developing density analysis, the temperature had high correlation with building ratio, road ratio, vegetation ratio and etc. To plan for the decrease of heat island effect needed the extension of green space, decrease of paving, but there was a limit to get the objective method for grade classification because of lacking in the basic data, the research of criteria will be accomplished continuously.

Landsat TM 자료를 이용한 서남해 연안 습지의 시공간 변화 분석에 관하여 (An Analysis of Spatiotemporal Change of Southwestern Coastal Wetlands Using Landsat Thematic Mapper Data)

  • 이기철;임병선;우창호;조영환
    • 환경영향평가
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    • 제6권1호
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    • pp.55-66
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    • 1997
  • This study summarizes the use of satellite data to detect the change of southwestern coastal wetlands in Korea. The images used for this study were two Landsat Thematic Mapper(TM) images (June 12, 1984 & June 2, 1992). TM images were used to classify such different types of wetlands as aquatic bed, nonaquatic bed and other land use in the region. Then it, was possible to a) determine the status of wetlands using image classification products, and b) detect the changes of various types of wetlands influenced by both human and nature. The results from spatiotemporal analysis showed that approximately 120 lad of coastal wetlands were lost from the year of 1984 to 1992. 71 % of the lost wetlands were converted to the reclaimed land. This loss of wetlands has been causing the profound environmental impacts. It has been successfully proved that satellite data are very effective for spatiatemporal change analysis, especially for that of coastal wetlands.

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도농통합지역의 녹지환경정비모델에 관한 연구 I - 위성데이타를 이용한 천안시 토지이용 변화 - (A Study on the Urban Fringe Landscape Environment Model -The Analysis of Change in Land Uses of Chonan City using Landsat TM Data-)

  • 심우경;이진희;김훈희
    • 한국조경학회지
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    • 제26권3호
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    • pp.237-248
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    • 1998
  • Landcover has been largely influenced by human activities, especially in recent days. The analysis of the change of land use by urbanized development is useful for determining development plan hereafter. This study aimed to the quantitative analysis about the urban sprawl within 12 years from 1985 to 1996, at Chonan, and for extracting the characteristics of change. For this purpose, this study performed land cover classifications using Landsat TM data . A hybrid classification method was used to classify satellite images into seven types of land cover. Road network digitied from 1:25,000 topographic map was rasterized and overlaid on the landcover map. A result of this study showed that area of forest and paddy decreased due to urban sprawl. Especially from 1993 to 1996, the change of land use progressed rapidly because of merging a city and a country in Chonan. The size of patch in forest had been smaller and irregular form. It is a general progress that size of patch in forest had been smaller and irregular form. It is a general progress that the forest have changed the paddy and bare land paddy and bare land have changed low-density urban or high-density urban. This explained how urbanized Chonan was and applied the suggeston of plan in landuse with the result of this study.

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함양 대관림의 피해상태 및 식물군집 구조 (The Environmental Impact and the Structure of Plant Community of Daekwanrim I Hanyang)

  • 이경재;조남훈;정영관;조현서
    • 한국조경학회지
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    • 제19권2호
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    • pp.52-64
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    • 1991
  • The actual vegetation and environmental impact grade of Daekwanrim in Hamyang were investigated and the structure of the plant community was analyzed by the classification of TWINSPAN and three kinds of multivariate ordination (PCA, RA, DCA) techniques.Twenty-eight plots were set up by the clumped sampling method in June of 1990. Carpinus laxiflora and C. tschonoskii communities covered 38% and Quercus species communities covered 39% of the total rea. Environmental impact class 3 and 4 area. Twenty-eight plots were divided into three groups according to the degree of damage by TWINSPAN and ordination techniques. The dominant species in the shrub layer of the heavily damaged site and the light damaged site were Styrax japonica and Sasamorpha purporanscens, so the sucessional trends should be disturbed. As a result of the analysis for the relationship between the stand scores of DCA and the environmental impact class, they had a tendancy to increase from the light damaged to heavily damaged site.

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도시녹지환경의 분석.평가지표설정에 관한 개념적 연구 (A Conceptional Study on Establishment of Indicators for Analysis and Evaluation in the Environment of Urban Green Spaces)

    • 한국조경학회지
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    • 제26권1호
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    • pp.59-69
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    • 1998
  • This research was conducted to suggest some directions for desirable urban green space planning through 1) establishing a new classification system by examining the existing concept, problems and characteristics of green space and 2) defining the essence of green space environment and finding some analytical and evaluative methods through a clear establishment of functions, indicators of green space. An analytical technique of green space, in which the coexistent relationship of human and other organisms was emphasized, was tried in order to realize urban green space planning. Based on the relevancy between green space and human being, green space was classified into green space for existence green space for utility, green space for both of existence and utility. The ratio of green covered, the ratio of greenery within the frame of vision, and the ratio of green volume in green space for existence was used as analytic and evaluative indicators.

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부천시 산림지역 아까시나무림 식물군집구조를 고려한 식생 관리 모델 (Model of Plant Management on Consideration of Plants Community Structure in Robinia pseudo-acacia Forests, Bucheon City)

  • 이경재;한봉호
    • 한국조경학회지
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    • 제26권2호
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    • pp.28-37
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    • 1998
  • The purpose of this study was to develop a model of plant management based on Robinia pseudo-acacia forests structure in Bucheon city, Korea. For 38 plots were established in Robinia pseudo-acacia forest of Bucheon city. As a result, Robinia pseudo-acacia community was expected to the proceeded to Quercus spp. community. In addition, the diversity of Robinia pseudo-acacia-Quercus spp. community was analyzed higher than Robinia pseudo-acacia community. Based on the result of forest structure analysis, Quercus spp. community was selected as the goal stage of plant management for Bucheon forests and 22 species that were selected by the importance value analysis, classification and ordination analysis and the correlation analysis were chosen as the ecological approprite species. This study also suggested density control guide line for sucession promotion, which individuals numbers of Robinia pseudo-acacia might be reduced from 50 individuals to 23 individuals by selective cutting in order to keep 65% of total basal area.

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도시내 주거지 유형별 녹지구조분석에 관한 연구 (A study on analysis of the structure of green space by the types of urban residential areas)

  • 송태갑;김은일
    • 한국조경학회지
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    • 제25권3호
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    • pp.56-65
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    • 1997
  • This research was conducted to suggest some directions for desirable urban green space planning through 1) establishing a new classification system by examining the existing concept, problems and characteristics of green space and 2) defining the essence of green space environment and finding some analytical and evaluative methods through a clear establishment of functions, indicators of green space. In the research, measurements of the amount of green space was accompanied with measurements of green covered space, green volume, and the structure of greenery within the frame of vision. As result, three-dimensional measurement was possible, three-dimensional measurement was possible, which turned out to be more effective than the existing 2-dimensional measuring method. It is found that the ratio of green covered space is to proportional to the ratio of green volume in this study. Therefore in green space planning process it is desirable to consider the ratio of green volume all together.

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대중가요를 통한 바다경관 체험에 관한 연구 (A Study on an Experience of Seascape through Korean Popular Songs)

  • 채혜성;권차경;이동화;강영조
    • 한국조경학회지
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    • 제27권4호
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    • pp.73-79
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    • 1999
  • This study is on the production and the classification of a new appreciation methods of seascape through materials in the words of Korean popular songs. In advance, it is necessary to understand the popular songs as collective representation and the songs are analytic data. In this study, some essential elements of seascape in popular songs are analyzed and classified. They are; 1. visible elements-weather, time, season and object. 2. all senses-vision, audition, olfaction, tactile sense, and spatial sense. 3. the line of vision-static line of vision and dynamic line of vision. In this way data is produced, and then the result of this study makes appreciation methods of seascape developed. In this way, this study results in developed appreciation of seascape. This study on new understanding of appreciation methods of seascape is on the basis of a design method of water-front that is considered a visible scene, not a design of construction elements.

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아산시 영인산의 산림군락 구조 (Structure of Forest Community in Mt. Yeonginsan, Asan-Shi)

  • 정용문;방의석;조용현;김현숙;송호경
    • 한국환경복원기술학회지
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    • 제9권4호
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    • pp.60-66
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    • 2006
  • With the species composition table, the forest community of Mt. Yeonginsan were classified into Quercus mongolica community, Pinus densiflora community, and Quercus acutissima community. The importance value of the study community was 73.55, 36.28, 29.87, 25.07, 24.88, and 21.25 in Quercus mongolica, Quercus serrata, Pinus densiflora, Pinus rigida, Larix leptolepis, and Quercus acutissima, respectively. According to breast diameter analysis, the importance value of Quercus mongolica, Quercus acutissima and Quercus serrata continuously increase.

Protection of Suburb Green Space: Contradiction of Protection and Use

  • Liu Bin-Yi;Xing Yang
    • Journal of the Korean Institute of Landscape Architecture International Edition
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    • 제2호
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    • pp.153-159
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    • 2004
  • This paper preliminary discussed the important function and faced problems of suburb green space during the process of urban development. As well as it points out the contradiction of protection and making use of. In this paper it takes the green space system planning in Wuxi as an example. Through introducing the classification, distribution, arrangement principles, overall arrangement tactics and concrete protective measures of suburb green space in Wuxi, the paper also puts forward the correct disposal principles for the relationship between protection and making use of toward the suburb green space to realize 'both-win' of them.

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