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首页> 外文期刊>Applied optics >PRESENCE OF TERRESTRIAL ATMOSPHERIC GAS ABSORPTION BANDS IN STANDARD EXTRATERRESTRIAL SOLAR IRRADIANCE CURVES IN THE NEAR-INFRARED SPECTRAL REGION
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PRESENCE OF TERRESTRIAL ATMOSPHERIC GAS ABSORPTION BANDS IN STANDARD EXTRATERRESTRIAL SOLAR IRRADIANCE CURVES IN THE NEAR-INFRARED SPECTRAL REGION

机译：近红外光谱区域中标准陆地外太阳辐照度曲线中存在陆地大气吸收带

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The solar irradiance curves compiled by Wehrli [Physikalisch-Meteorologisches Observatorium Publ. 615 (World Radiation Center, Davosdorf, Switzerland, 1985)] and by Neckel and Labs [Sol. Phys. 90, 205 (1984)] are widely used. These curves were obtained based on measurements of solar radiation from the ground and from aircraft platforms. Contaminations in these curves by atmospheric gaseous absorptions were inevitable. A technique for deriving the transmittance spectrum of the Sun's atmosphere from high-resolution (0.01 cm(-1)) solar occultation spectra measured above the Earth's atmosphere by the use of atmospheric trace molecule spectroscopy (ATMOS) aboard the space shuttle is described. The comparisons of the derived ATMOS solar transmittance spectrum with the two solar irradiance curves show that the curve derived by Wehrli contains many absorption features in the 2.0-2.5-mu m region that are not of solar origin, whereas the curve obtained by Neckel and Labs is completely devoid of weak solar absorption features that should be there. An Earth atmospheric oxygen band at 1.268 mu m and a water-vapor band near 0.94 mu m are likely present in the curve obtained by Wehrli. It is shown that the solar irradiance measurement errors in some narrow spectral intervals can be as large as 20%. An improved solar irradiance spectrum is formed by the incorporation of the solar transmittance spectrum derived from the ATMOS data into the solar irradiance spectrum from Neckel and Labs. The availability of a new solar spectrum from 50 to 50000 cm(-1) from the U.S. Air Force Phillips Laboratory is also discussed. (C) 1995 Optical Society of America. [References: 19]
机译：由Wehrli [Physikalisch-Meteorologisches Observatorium Publ。出版的太阳辐照度曲线。 615（世界辐射中心，瑞士达沃斯多夫，1985年）]和由Neckel和Labs [Sol。Chem。S.物理90，205（1984）]被广泛使用。这些曲线是根据地面和飞机平台的太阳辐射测量得出的。这些曲线不可避免地受到大气气体吸收的污染。描述了一种技术，该技术是通过使用航天飞机上的大气痕量分子光谱学（ATMOS）从在地球大气之上测量的高分辨率（0.01 cm（-1））太阳遮蔽光谱得出太阳大气的透射光谱的。得出的ATMOS太阳透射光谱与两条太阳辐照度曲线的比较表明，Wehrli得出的曲线在2.0-2.5μm区域具有许多非太阳起源的吸收特征，而Neckel和Labs获得的曲线完全没有应有的弱太阳吸收功能。由Wehrli获得的曲线中可能存在1.268μm的地球大气氧带和0.94μm的水蒸气带。结果表明，在某些窄光谱间隔内的太阳辐照度测量误差可能高达20％。通过将源自ATMOS数据的太阳透射光谱合并到Neckel和Labs的太阳辐照光谱中，可以形成改进的太阳辐照光谱。还讨论了美国空军菲利普斯实验室从50到50000 cm（-1）的新太阳光谱的可用性。 （C）1995年美国眼镜学会。 [参考：19]

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