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Inversion emissions using Crl NH_3 measurements with bi and uni-directional flux schemes outside data

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: August 02, 2025 | Last Modified: 2022-04-20
The datasets in the links consist of European surface NH3 measurements, NHx wet deposition measurements, (at https://ebas.wp2.nilu.no/data-access/, https://uk-air.defra.gov.uk/, https://zenodo.org/record/4513855#.YRt41edBphE, https://data.rivm.nl/data/luchtmeetnet/ [Dataset], https://man.rivm.nl/, https://www.bafu.admin.ch/bafu/en/home/topics/air/publications-studies/studies.html , and https://ebas.wp2.nilu.no/data-access/ ) and satellite based CrIS CPFR Version 1.5 ammonia retrievals (https://hpfx.collab.science.gc.ca/~mas001/satellite_ext/cris/snpp/nh3/). This dataset is associated with the following publication: Cao, H., D. Henze, L. Zhu, M. Shephard, K. Cady-Pereira, E. Dammers, M. Sitewell, N. Heath, C. Lonsdale, J. Bash, K. Miyazaki, C. Flechard, Y. Fauvel, R. Wichink-Kruit, S. Feigenspan, C. Brümmer, F. Schrader, M. Twigg, S. Leeson, Y. Tang, A. Stephens, C. Braban, K. Vincent, M. Meier, E. Seitler, C. Geels, T. Ellermann, A. Sanocka, and S. Capps. 4D-Var Inversion of European NH3 Emissions Using CrIS NH3 Measurements and GEOS-Chem Adjoint With Bi-Directional and Uni-Directional Flux Schemes. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, USA, 127(9): e2021JD035687, (2022).

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