为什么甲烷光谱参数难以确定和相对差,相对于其他地球微量气体?- 江南体育网页版- - - - -地球科学堆江南电子竞技平台栈交换 最近30从www.hoelymoley.com 2023 - 07 - 07 - t21:33:29z //www.hoelymoley.com/feeds/question/861 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/861 12 为什么甲烷光谱参数难以确定和相对差,相对于其他地球微量气体? gerrit //www.hoelymoley.com/users/6 2014 - 05 - 08 - t23:41:04z 2014 - 05 - 14 - t13:23:04z < 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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//www.hoelymoley.com/questions/861/-/925 # 925 5 由DavePhD回答为什么甲烷光谱参数难以确定和相对差,相对于其他地球微量气体? DavePhD //www.hoelymoley.com/users/248 2014 - 05 - 14 - t12:12:24z 2014 - 05 - 14 - t13:23:04z < p >大学找到好的解释勃艮地网站< A href = " http://icb.u-bourgogne.fr/omr/SMA/Methane/ " > < / >甲烷的吸收光谱进行建模。< / p > < blockquote > < p >虽然是一个小而简单的分子,其rovibrational光谱非常复杂。这主要是由于高对称性的四面体系统(导致许多简并)的存在和其复杂的振动结构。< / p > < /引用> < p >振动和Rotational-vibrational能级图。< / p >
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