Effects of tropospheric ozone pollution on net primary productivity and carbon storage in terrestrial ecosystems of China
Felzer, Benjamin S.
MetadataShow full item record
KeywordAir pollution; Carbon storage; China; Climate change; Net primary productivity; Tropospheric ozone
We investigated the potential effects of elevated ozone (O3) along with climate variability, increasing CO2, and land use change on net primary productivity (NPP) and carbon storage in China's terrestrial ecosystems for the period 1961–2000 with a process-based Dynamic Land Ecosystem Model (DLEM) forced by the gridded data of historical tropospheric O3 and other environmental factors. The simulated results showed that elevated O3 could result in a mean 4.5% reduction in NPP and 0.9% reduction in total carbon storage nationwide from 1961 to 2000. The reduction of carbon storage varied from 0.1 Tg C to 312 Tg C (a decreased rate ranging from 0.2% to 6.9%) among plant functional types. The effects of tropospheric O3 on NPP were strongest in east-central China. Significant reductions in NPP occurred in northeastern and central China where a large proportion of cropland is distributed. The O3 effects on carbon fluxes and storage are dependent upon other environmental factors. Therefore direct and indirect effects of O3, as well as interactive effects with other environmental factors, should be taken into account in order to accurately assess the regional carbon budget in China. The results showed that the adverse influences of increasing O3 concentration across China on NPP could be an important disturbance factor on carbon storage in the near future, and the improvement of air quality in China could enhance the capability of China's terrestrial ecosystems to sequester more atmospheric CO2. Our estimation of O3 impacts on NPP and carbon storage in China, however, must be used with caution because of the limitation of historical tropospheric O3 data and other uncertainties associated with model parameters and field experiments.
Author Posting. © American Geophysical Union, 2007. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 112 (2007): D22S09, doi:10.1029/2007JD008521.
Suggested CitationArticle: Ren, Wei, Tian, Hanqin, Liu, Mingliang, Zhang, Chi, Chen, Guangsheng, Pan, Shufen, Felzer, Benjamin S., Xu, Xiaofeng, "Effects of tropospheric ozone pollution on net primary productivity and carbon storage in terrestrial ecosystems of China", Journal of Geophysical Research 112 (2007): D22S09, DOI:10.1029/2007JD008521, https://hdl.handle.net/1912/3689
Showing items related by title, author, creator and subject.
Interannual variability of primary production and dissolved organic nitrogen storage in the North Pacific Subtropical Gyre Luo, Ya-Wei; Ducklow, Hugh W.; Friedrichs, Marjorie A. M.; Church, Matthew J.; Karl, David M.; Doney, Scott C. (American Geophysical Union, 2012-08-10)The upper ocean primary production measurements from the Hawaii Ocean Time series (HOT) at Station ALOHA in the North Pacific Subtropical Gyre showed substantial variability over the last two decades. The annual average ...
Understanding the ocean carbon and sulfur cycles in the context of a variable ocean : a study of anthropogenic carbon storage and dimethylsulfide production in the Atlantic Ocean Levine, Naomi M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2010-02)Anthropogenic activity is rapidly changing the global climate through the emission of carbon dioxide. Ocean carbon and sulfur cycles have the potential to impact global climate directly and through feedback loops. Numerical ...
Can rates of ocean primary production and biological carbon export be related through their probability distributions? Cael, B. Barry; Bisson, Kelsey; Follett, Christopher L. (John Wiley & Sons, 2018-05-08)We describe the basis of a theory for interpreting measurements of two key biogeochemical fluxes—primary production by phytoplankton (p, μg C · L−1 · day−1) and biological carbon export from the surface ocean by sinking ...