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Estimating surface temperature and land cover change in Hsinchu City

机译:估算新竹市的地表温度和土地覆盖变化

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Changes in land use and land cover (LULC) are the critical driving forces of change in atmospheric, climatic and ecological systems. The purposes of this study are thus aiming to understand the relationship between land cover changes and thermal properties of urban heat island effects using Landsat images spanning from 1991 to 2007. On basis of the images of 17 years, the temperature differences between urban and rural of Hsinchu had been raised from 2-3 degrees to 4-5 degrees. Moreover, local hot spots showed up in downtown, Nan-Liao fishing port, and the traffic arteries surrounding residential area. It shows that urban expansion and heat discharged by traffic vehicles are major reasons for the temperature anomaly in the study area. Further study is required for understanding the sources of these features.
机译:土地利用和土地覆盖的变化(LULC)是大气,气候和生态系统变化的关键驱动力。因此,本研究的目的是使用1991年至2007年的Landsat图像来了解土地覆盖变化与城市热岛效应的热性质之间的关系。基于17年的图像,得出了中国城市和农村之间的温差新竹已从2-3度提高到4-5度。此外,市区,南辽渔港和居民区周围的交通干道都出现了局部热点。结果表明,城市扩展和交通车辆散发的热量是研究区域温度异常的主要原因。需要进一步研究以了解这些功能的来源。

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