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首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >The Retrieved Urban LST in Beijing Based on TM, HJ-1B and MODIS
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The Retrieved Urban LST in Beijing Based on TM, HJ-1B and MODIS

机译：基于TM，HJ-1B和MODIS的北京中检索城市LST

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摘要

This paper comparatively analyzed the retrieved land surface temperature (LST) with Landsat Thematic Mapper (TM) sensor and HuanJing (HJ)-1B satellite sensor images using a case study in Beijing, China. The Jmnez- Muoz & Sobrino's (JM&S) single-channel algorithm was applied for retrieving the LST from HJ-1B images. In this study, the temperature measured in the same period under the thermal environmental condition is used to test the precision of temperature product from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The results indicated that: (1) The retrieved LST of three remote sensing data were basically concordant to themeasuredLST, while the retrieved LST of LandsatTMcame closer to the measured data and the other two platforms (MODIS and HJ-1B) were poor compared to the measured data; (2) the retrieved LST of TM, HJ-1B and MODIS was slightly different in the same area, while the distribution and the variation trend of the retrieving LST were consistent; (3) the urban heat island effect of Beijing was particularly obvious, and the vegetation showed a cooling effect. Furthermore, the surface multiplicity type is the main factor influencing the distribution of LST in urban areas. The empirical formulas on the basis of the JM&S single-channel algorithm may need to refit in retrieving LST of HJ-1B.
机译：本文通过宿主在北京的案例研究中，使用Landsat主题映射器（TM）传感器（TM）传感器（TM）传感器（TM）传感器（TM）传感器（TM）传感器和Huanjing（HJ）-1B卫星传感器图像进行了相对分析。 JMNEZ-Muoz＆Sobrino（JM＆S）单通道算法应用于从HJ-1B图像检索LST。在该研究中，使用在热环境条件下的同一时段中测量的温度来测试来自中等分辨率的成像光谱仪（MODIS）的温度产品的精度。结果表明：（1）三个遥感数据的检索到LST基本上是对ThemeSuredlured的协调性，而与测量数据的LandsattMcamame的LST较近，与其他两个平台（MODIS和HJ-1B）相比差测量数据; （2）在同一地区的TM，HJ-1B和MODIS的检索LST略有不同，而检索LST的分布和变化趋势是一致的; （3）北京的城市热岛效果特别明显，植被显示冷却效果。此外，表面多重类型是影响城市地区LST分布的主要因素。基于JM和S单通道算法的经验公式可能需要在检索HJ-1B的LST中。

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