4D-Var inversion of European NH3 emissions using CrIS NH3 measurements and GEOS-Chem adjoint with bi-directional and uni-directional flux schemes

Autor: Hansen Cao, Daven K. Henze, Liye Zhu, Mark W. Shephard, Karen Cady‐Pereira, Enrico Dammers, Michael Sitwell, Nicholas Heath, Chantelle Lonsdale, Jesse O. Bash, Kazuyuki Miyazaki, Christophe Flechard, Yannick Fauvel, Roy Wichink Kruit, Stefan Feigenspan, Christian Brümmer, Frederik Schrader, Marsailidh M. Twigg, Sarah Leeson, Yuk S. Tang, Amy C. M. Stephens, Christine Braban, Keith Vincent, Mario Meier, Eva Seitler, Camilla Geels, Thomas Ellermann, Agnieszka Sanocka, Shannon L. Capps

Publikováno v: Cao, H, Henze, D K, Zhu, L, Shephard, M W, Cady-Pereira, K, Dammers, E, Sitwell, M, Heath, N, Lonsdale, C, Bash, J O, Miyazaki, K, Flechard, C, Fauvel, Y, Kruit, R W, Feigenspan, S, Brümmer, C, Schrader, F, Twigg, M M, Leeson, S, Tang, Y S, Stephens, A C M, Braban, C, Vincent, K, Meier, M, Seitler, E, Geels, C, Ellermann, T, Sanocka, A & Capps, S L 2022, ' 4D-Var Inversion of European NH 3 Emissions Using CrIS NH 3 Measurements and GEOS-Chem Adjoint With Bi-Directional and Uni-Directional Flux Schemes ', Journal of Geophysical Research: Atmospheres, vol. 127, no. 9, e2021JD035687 . https://doi.org/10.1029/2021JD035687

We conduct the first 4D-Var inversion of NH3 accounting for NH3 bi-directional flux, using CrIS satellite NH3 observations over Europe in 2016. We find posterior NH3 emissions peak more in springtime than prior emissions at continental to national sc

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https://doi.org/10.1002/essoar.10507960.1