Wark D Q, Lienesch J H, Weinreb M P
Appl Opt. 1974 Mar 1;13(3):507-11. doi: 10.1364/AO.13.000507.
Observations in the spectral window at 11-12 microm, in the carbon dioxide band at 13.3-13.4 microm, and in the water vapor rotation band at 18.7-18.8 microm have been made by the satellite infrared spectrometer and the vertical temperature profile radiometer on the Nimbus 4 and NOAA-2 satellites. Combinations of radiances measured by the separate instruments have been used to infer sea-surface temperatures and mesoscale precipitable water in tropical regions. In each spectral interval, atmospheric transmittances for these analyses were constructed from continuous absorption (of unexplained origin), which is dependent upon the square of the partial pressure of water vapor and about the inverse fifth power of temperature, in addition to absorption by resonance lines. Results are consonant with those from other laboratory and atmospheric transmittance measurements, and they underline the importance of properly modeling the water-vapor continuum in calculations of atmospheric radiation in the middle infrared.
雨云4号和诺阿2号卫星上的卫星红外光谱仪及垂直温度廓线辐射仪，对11 - 12微米光谱窗口、13.3 - 13.4微米二氧化碳波段以及18.7 - 18.8微米水汽旋转波段进行了观测。利用不同仪器测量的辐射组合来推断热带地区的海表面温度和中尺度可降水量。在每个光谱区间，这些分析所使用的大气透过率是根据连续吸收（来源不明）构建的，连续吸收除了取决于水汽分压的平方和温度的约五次方反比外，还取决于共振线的吸收。结果与其他实验室及大气透过率测量结果一致，并且突出了在中红外波段大气辐射计算中对水汽连续体进行恰当建模的重要性。
