기상관측망은 충분히 고밀도로 구축되어 있기 않기 때문에 산업지역의 전체 지표온도를 얻기는 쉽지 않다. 넓은 지역에 걸쳐 취득하고 짧은 시간에 처리할 수 있는 다기능 원격탐사 정보를 통하여 특정지역에서 현재의 변화하는 지표온도를 정확하고 연속적으로 관측할 수 있다. 전라남도는 광양제철소, 여수산업단지, 율촌산업단지, 대불산업단지와 같은 많은 산업단지와 함께 빠르게 산업화되고 있다. 산업단지 내 지표온도 특성을 살펴보기 위하여 본 연구는 Landsat 7 ETM+의 열적외 파장영상을 이용하여 4개의 산업단지의 지표온도를 비교하였다. 이로부터 환경적 자연적 자원관리를 위한 산업단지의 기초자료를 얻을 수 있었다. 연구 결과는 산업단지계획가에서 환경적 문제와 관련된 개발방식에 도움을 줄 수 있다.
기상관측망은 충분히 고밀도로 구축되어 있기 않기 때문에 산업지역의 전체 지표온도를 얻기는 쉽지 않다. 넓은 지역에 걸쳐 취득하고 짧은 시간에 처리할 수 있는 다기능 원격탐사 정보를 통하여 특정지역에서 현재의 변화하는 지표온도를 정확하고 연속적으로 관측할 수 있다. 전라남도는 광양제철소, 여수산업단지, 율촌산업단지, 대불산업단지와 같은 많은 산업단지와 함께 빠르게 산업화되고 있다. 산업단지 내 지표온도 특성을 살펴보기 위하여 본 연구는 Landsat 7 ETM+의 열적외 파장영상을 이용하여 4개의 산업단지의 지표온도를 비교하였다. 이로부터 환경적 자연적 자원관리를 위한 산업단지의 기초자료를 얻을 수 있었다. 연구 결과는 산업단지계획가에서 환경적 문제와 관련된 개발방식에 도움을 줄 수 있다.
Observation of land surface temperature in industrial areas is problematic, as it is not possible to construct a network of weather stations with sufficiently high density and continuous operation in such zones. Multiphase remote sensing data that cover a wide area and take a short time to process c...
Observation of land surface temperature in industrial areas is problematic, as it is not possible to construct a network of weather stations with sufficiently high density and continuous operation in such zones. Multiphase remote sensing data that cover a wide area and take a short time to process can enable the user to precisely and continuously measure the current and changing land surface temperatures in a certain region. Jeollanam-Do in South Korea is undergoing rapid industrialization, with the establishment of a number of industrial complexes, such as the Gwangyang Steelworks, Yeosu Industrial Complex, Yulchon Industrial complex, and Daebul Industrial Complex. To look into the properties of industrial complex's temperature, this study uses the thermal band of Landsat 7 ETM+ images acquired under thermal infrared wavelengths in order to calculate and compare the surface temperatures of the four above-named industrial complexes. From this, it is possible to obtain the basic information about industrial complex for environmental and natural resource management, which will aid industrial complex planners in developing methods of addressing environmental problems.
Observation of land surface temperature in industrial areas is problematic, as it is not possible to construct a network of weather stations with sufficiently high density and continuous operation in such zones. Multiphase remote sensing data that cover a wide area and take a short time to process can enable the user to precisely and continuously measure the current and changing land surface temperatures in a certain region. Jeollanam-Do in South Korea is undergoing rapid industrialization, with the establishment of a number of industrial complexes, such as the Gwangyang Steelworks, Yeosu Industrial Complex, Yulchon Industrial complex, and Daebul Industrial Complex. To look into the properties of industrial complex's temperature, this study uses the thermal band of Landsat 7 ETM+ images acquired under thermal infrared wavelengths in order to calculate and compare the surface temperatures of the four above-named industrial complexes. From this, it is possible to obtain the basic information about industrial complex for environmental and natural resource management, which will aid industrial complex planners in developing methods of addressing environmental problems.
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문제 정의
This research aims to evaluate the use of Landsat 7 ETM+ data for identifying temperature differences in industrial areas, to analyze and compare industrial surface temperatures and land cover types, and to assess the impact of operations in industrial zones on the environment, as well as objects both inside and outside these areas. This information will assist industrial planners in developing methods of treating environmental problems.
제안 방법
Remote sensing data was used for this study. Landsat 7 satellite data was downloaded from the U.
대상 데이터
ENVI and IDL software were used to identify surface temperatures and analyze land coverage (ITT Visual Information Solutions, 2009). For this study, five Landsat images were used (Table 3).
이론/모형
To calculate the surface temperature, this study employs the equations provided by Weng et al. (2004). The surface temperature was extracted from thermal Band 6 of the Landsat 7 ETM+ images.
성능/효과
(2004), in addition to band 6 of Landsat Enhanced Thematic Mapper Plus (ETM+), in order to assess temperature differences within Jubail City and to compare the relationships between urban surface temperature and that of other land cover types such as industrial and green areas. Their study revealed an increase in urban surface temperatures near to industrial areas, compared with suburban areas; the center of this heat island was located above the industrial area and its adjacent urban areas. Additionally, buildings were identified as features that reflect a large amount of heat, and are therefore primarily responsible for the increased surface temperatures of urban areas compared to undeveloped areas and gardens.
They also examined land use patterns through the identification of land use types, landscape metrics, and structural parameters through statistical and GIS analysis. Using linear regressions, they determined that the degree of soil sealing was the best predictor of LST variation. Using this conclusion, they were able to examine the distribution of LST with regard to the underlying effects of urban land use patterns, and identify areas at potential risk of heat stress, based on temperature distributions and demographic vulnerability (Dugord et al.
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