Articles | Volume 21, issue 21
Atmos. Chem. Phys., 21, 16479–16497, 2021
https://doi.org/10.5194/acp-21-16479-2021
Atmos. Chem. Phys., 21, 16479–16497, 2021
https://doi.org/10.5194/acp-21-16479-2021
Research article
11 Nov 2021
Research article | 11 Nov 2021

Examining the competing effects of contemporary land management vs. land cover changes on global air quality

Anthony Y. H. Wong and Jeffrey A. Geddes

Data sets

Historical (1750–2014) anthropogenic emissions of reactive gases and aerosols from the Community Emissions Data System (CEDS) (https://esgf-node.llnl.gov/search/input4mips) Rachel M. Hoesly, Steven J. Smith, Leyang Feng, Zbigniew Klimont, Greet Janssens-Maenhout, Tyler Pitkanen, Jonathan J. Seibert, Linh Vu, Robert J. Andres, Ryan M. Bolt, Tami C. Bond, Laura Dawidowski, Nazar Kholod, June-ichi Kurokawa, Meng Li, Liang Liu, Zifeng Lu, Maria Cecilia P. Moura, Patrick R. O'Rourke, and Qiang Zhang https://doi.org/10.5194/gmd-11-369-2018

Long-Time-Series Global Land Surface Satellite Leaf Area Index Product Derived from MODIS and AVHRR Surface Reflectance Z. Xiao, S. Liang, J. Wang, Y. Xiang, X. Zhao, and J. Song http://globalchange.bnu.edu.cn/research/laiv6\#download

Gross and net land cover changes in the main plant functional types derived from the annual ESA CCI land cover maps (1992–2015) Wei Li, Natasha MacBean, Philippe Ciais, Pierre Defourny, Céline Lamarche, Sophie Bontemps, Richard A. Houghton, and Shushi Peng ftp://geo10.elie.ucl.ac.be/CCI/LandCover/ESACCI-LC-L4-LCCS-Map-300m-P1Y-1992_2015-v2.0.7b.nc.zip

Model code and software

GEOS-Chem 12.7.0 The International GEOS-Chem User Community https://doi.org/10.5281/zenodo.3634864

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Short summary
Land cover change and land management are considered to have important and distinct impacts on air quality. Here we use remote sensing products and agricultural emission inventories to characterize contemporary global land cover and land management changes for chemical transport model simulations. We find that contemporary land system change has a significant impact on global air quality, with land management dominating the effects on PM and land cover change dominating the impacts on ozone.
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