However in the urban research, TM data is mainly applied to urban expansion urban thermal island effect and urban greenbelt for the low spatial resolution.
但在城市研究中，由于该数据的空间分辨率相对较低，因此对该数据的利用主要集中于大城市扩展、城市热岛效应和城市绿地等方面。
However, Enlargement of the scale of urban accelerates the heat island effect of urban, and the change trend of urban outdoor thermal environment increasingly worry us.
但目前城市规模的扩大，使得城市热岛效应日趋显著，城市户外热环境变化趋势不容乐观。
The resource and distribution of thermal energy have objective and direct proof to the analysis the "cold-island effect" and evaluation of the stability of the oasis in middle and small scale areas.
在中小尺度区域的热量资源和热场分布，对绿洲冷岛效应的研究，评价绿洲的稳定性，具有客观直接的证明力。
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