地表长波辐射(SLWR)是地表辐射收支(SRB)的两个组成部分之一,而地表辐射收支是许多陆面过程模型、水循环以及气候变化的驱动力。我们分别开发了由MODIS数据估算瞬时晴空地表上行长波辐射(SLUR)和地表下行长波辐射(SLDR)的混合算法、地表温度-宽波段发射率方法,以及基于云底温度(CBT)估算云天SLDR的单层云模型(SLCM)方法,由MODIS数据、ELITE宽波段发射率等,生成1公里、5分钟地表长波辐射产品。
数据下载网址:
https://data.tpdc.ac.cn/zh-hans/data/5e7053ec-f8d6-4117-94da-72b3cdba88d1
参考文献:
1. Cheng, J., & Liang, S. (2016). Global estimates for high spatial resolution clear-sky land surface upwelling longwave radiation from MODIS data. IEEE Transactions on Geoscience and Remote Sensing, 54, 4115-4129 (下载)
2. Cheng, J., Liang, S., Wang, W., & Guo, Y. (2017). An efficient hybrid method for estimating clear-sky surface downward longwave radiation from MODIS data. Journal of Geophysical Research: Atmospheres, 122, 2616-2630 (下载)
3. Yang, F., & Cheng, J. (2020). A framework for estimating cloudy sky surface downward longwave radiation from the derived active and passive cloud property parameters. Remote Sensing of Environment, 248, 111972(下载)