Tian, Hanqin; Bian, Zihao; Shi, Hao; Qin, Xiaoyu; Pan, Naiqing; Lu, Chaoqun; Pan, Shufen; Tubiello, Francesco N; Chang, Jinfeng; Conchedda, Giulia; Liu, Junguo; Mueller, Nathaniel; Nishina, Kazuya; Xu, Rongting; Yang, Jia; You, Liangzhi; Zhang, Bowen (2022): HaNi: A Historical dataset of Anthropogenic Nitrogen Inputs to the terrestrial biosphere (1860-2019). PANGAEA, https://doi.org/10.1594/PANGAEA.942069
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Excessive anthropogenic nitrogen (N) inputs to the biosphere have disrupted the global nitrogen cycle. To better quantify the spatial and temporal patterns of anthropogenic N enrichments, assess their impacts on the biogeochemical cycles of the planet and other living organisms, and improve nitrogen use efficiency (NUE) for sustainable development, we develop a comprehensive and synthetic dataset for anthropogenic N inputs to the terrestrial biosphere. This Harmonized Anthropogenic N Inputs (HaNi) dataset takes advantage of different data sources in a spatiotemporally consistent way to generate a set of high-resolution gridded N input products from the preindustrial to present (1860-2019). The HaNi dataset includes annual rates of synthetic N fertilizer, manure application/deposition, and atmospheric N deposition in cropland, pasture, and rangeland at 5-arcmin. Specifically, the N inputs are categorized, according to the N forms and the land use, as 1) NH4-N fertilizer applied to cropland, 2) NO3-N fertilizer applied to cropland, 3) NH4-N fertilizer applied to pasture, 4) NO3-N fertilizer applied to pasture, 5) manure N application on cropland, 6) manure N application on pasture, 7) manure N deposition on pasture, 8) manure N deposition on rangeland, 9) NHx-N deposition, and 10) NOy-N deposition. The total anthropogenic N (TN) inputs to global terrestrial ecosystems increased from 29.05 Tg N yr-1 in the 1860s to 267.23 Tg N yr-1 in the 2010s, with the dominant N source changing from atmospheric N deposition (before the 1900s) to manure N (the 1910s-2000s), and to synthetic fertilizer in the 2010s. The proportion of synthetic NH4-N fertilizer increased from 64% in the 1960s to 90% in the 2010s, while synthetic NO3-N fertilizer decreased from 36% in the 1960s to 10% in the 2010s. Hotspots of TN inputs shifted from Europe and North America to East and South Asia during the 1960s-2010s. Such spatial and temporal dynamics captured by the HaNi dataset are expected to facilitate a comprehensive assessment of the coupled human-earth system and address a variety of social welfare issues, such as climate-biosphere feedback, air pollution, water quality, and biodiversity.
Tian, Hanqin; Bian, Zihao; Shi, Hao; Qin, Xiaoyu; Pan, Naiqing; Lu, Chaoqun; Pan, Shufen; Tubiello, Francesco N; Chang, Jinfeng; Conchedda, Giulia; Liu, Junguo; Mueller, Nathaniel; Nishina, Kazuya; Xu, Rongting; Yang, Jia; You, Liangzhi; Zhang, Bowen (in prep.): History of Anthropogenic Nitrogen Inputs (HaNi) to the terrestrial biosphere: A 5-arcmin resolution annual dataset from 1860 to 2019. Earth System Science Data
Auburn University (AU), grant/award no. NMIP: Nitrogen Model Inter-Comparison Project
Fundamental Research Funds for the Central Universities, grant/award no. 2021QNA6005
National Key Research and Development Program of China, grant/award no. 41961124006
National Natural Science Foundation of China (NSFC), grant/award no. 41625001
National Science Foundation (NSF), grant/award no. 1903722
National Science Foundation (NSF), grant/award no. 1922687
National Science Foundation (NSF), grant/award no. G-F-19-56910: Andrew Carnegie fellowship Program
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