인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Abstract Monitoring changes in Land Use/Land Cover (LULC), spectral indices, and Land Surface Temperature (LST) can help to identify the areas at risk for indefensible land use, a low-grade environment, and especially urban heat islands (UHI). This study aims to examine the changing pattern of LULC, the dynamics of geospatial indices (Normalised Difference Vegetation Index (NDVI), Normalised Difference Built-up Index (NDBI), Normalised Difference Water Index (NDWI), Normalised Difference Bareness Index (NDBaI), and Normalised Difference Latent-heat Index (NDLI)), and LST patterns with the relationship among them between 1991 and 2021 in the Varanasi City Development Region (VCDR). The LULC classification was done into seven classes (using the maximum likelihood method), the LST has been retrieved, and the above spectral indices have been calculated using Landsat 5 and 8 data. Pearson’s correlation method was used to analyse the relationship between LST and spectral indices. As per result, built-up area was increased by 507.8 per cent consequently, water bodies, agricultural, barren, fallow land and vegetation cover were declined by 4.84, 18.68, 82.41, 26.18 and 22.16 per cent respectively during 1991–2021. The maximum, minimum, and mean LST increased by 6.18, 2.28, and 2.24 °C, respectively, throughout the period. A positive relationship has been observed among NDBI, NDBaI, NDLI, and LST, whereas NDVI, NDWI, and LST have an inverse relationship. The finding explains the high number of water bodies, healthy vegetation cover, sufficient open space, and less concrete surface are necessary to maintain the LST and its related problems. So, an SPURS plan has been proposed to maintain the thermal environment of VCDR. This study can be a useful guide for planners and policymakers by providing a scientific background as well as the suggestions for sustainable urban management and development in VCDR and other cities as well.
#Normalized Difference Vegetation Index
#Land cover
#Environmental science
#Vegetation (pathology)
#Geospatial analysis
#Urban heat island
#Vegetation Index
#Index (typography)
#Physical geography
#Land use
#Agricultural land
#Remote sensing
#Geography
#Agriculture
#Meteorology
#Leaf area index
#Ecology
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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