< p >在大气遥感的甲烷,误差主要来源是光谱参数的不确定性。例如,在后面描述的检索算法et al . (2009), CH₄错误由于线强度估计16.5%(主导的总误差16.8%),10.5%为O₃N₂O为3.8%,只有1.6%的盐酸。< / p > < p >记录2012条HITRAN光谱数据库更新(Rothman et al ., 2013): < / p > < blockquote > < p >高分辨率光谱的甲烷和一代的准确行列表,尤其是当一个移动polyad阶梯越来越短的波长(许多应用程序所必需的)极具挑战性。< / p > < /引用> < p > 2012年版包括一个非常大的更新对甲烷测量,详细的棕色et al。(2013),他描述HITRAN甲烷线的数量从11803增加1982版,通过2004年版的251440到468013年的2012年版。然而,罗斯曼et al .(2013)和布朗et al .(2013)描述了< em > < / em >为什么甲烷光谱参数的确定是如此困难。< / p >Why are methane spectroscopic parameters harder to determine (and therefore more poorly known) compared to other common Earth atmospheric trace gases?
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