1. 4D‐Var Inversion of European NH3 Emissions Using CrIS NH3 Measurements and GEOS‐Chem Adjoint With Bi‐Directional and Uni‐Directional Flux Schemes. Issue 9 (6th May 2022) Authors: Cao, Hansen; Henze, Daven K.; Zhu, Liye; Shephard, Mark W.; Cady‐Pereira, Karen; Dammers, Enrico; Sitwell, Michael; Heath, Nicholas; Lonsdale, Chantelle; Bash, Jesse O.; Miyazaki, Kazuyuki; Flechard, Christophe; Fauvel, Yannick; Kruit, Roy Wichink; Feigenspan, Stefan; Brümmer, Christian; Schrader... Journal: Journal of geophysical research Issue: Volume 127:Issue 9(2022) Page Start: n/a Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗