Methane and carbon dioxide increases in the urban boundary layer: Inferences from whole-column infrared absorbance measurements
作者： K. R. Gurney , A. D. A. Hansen , H. Rosen
关键词: Methane 、 Absorbance 、 Earth's energy budget 、 Carbon dioxide 、 Compounds of carbon 、 Mineralogy 、 Atmosphere 、 Urban climatology 、 Atmosphere of Earth 、 General Earth and Planetary Sciences 、 Geophysics
摘要: Using the sun as an infrared source, we determined total atmospheric column absorbance of methane and carbon dioxide spectral lines in 8- to 10-µm region. At our laboratory located urban region, these absorbances showed fluctuations larger than can be accounted for by known variabilities background atmosphere. We interpret observations terms large changes concentration within boundary layer. These increases could affect radiative balance locations contribute heat island.
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