Top-down lightning NO emissions over Africa based on TROPOMI data
收藏DataCite Commons2026-04-03 更新2025-04-16 收录
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https://data.aeronomie.be/dataset/0ad2ca1e-ba0d-403c-8933-c473d4e18560
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The top-down emissions are inferred from an inverse modelling scheme built on the chemistry-transport model MAGRITTEv1.1 and its adjoint (Müller et al., 2019; Bauwens et al., 2016; Müller and Stavrakou, 2005), constrained by TROPOMI NO2 (van Geffen et al., 2022) and HCHO (De Smedt et al., 2018) column data through a joint inversion.
This accounts for the intricate interplay between NOx and VOCs through the chemical feedbacks of the HOx-NOx-VOC system, by relying on a concomitant use of HCHO and NO2 satellite observations in order to simultaneously optimize both VOC and NOx emissions (Opacka et al., 2025).
本研究基于化学传输模型(chemistry-transport model)MAGRITTEv1.1及其伴随模式构建反演框架,通过联合反演手段,以TROPOMI观测的NO2柱总量数据(van Geffen等,2022)与HCHO柱总量数据(De Smedt等,2018)作为约束条件,反演得到自上而下排放通量,相关模型与方法参考文献包括Müller等(2019)、Bauwens等(2016)以及Müller与Stavrakou(2005)。
该反演框架依托氢氧自由基(HOx)-氮氧化物(NOx)-挥发性有机化合物(VOCs)体系的化学反馈机制,协同利用卫星观测的HCHO与NO2数据同步优化挥发性有机化合物与氮氧化物排放,从而完整刻画了二者之间的复杂相互作用过程(Opacka等,2025)。
提供机构:
Royal Belgian Institute for Space Aeronomy
创建时间:
2025-04-08



