Beijing Laboratory of Environmental Frontier Technologies, School of Environment, Tsinghua University, Beijing, 100084, China.
Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
Sci Data. 2021 Jul 13;8(1):171. doi: 10.1038/s41597-021-00960-5.
China has committed to reaching carbon neutrality by 2060, which will require a drastic cut in greenhouse gas (GHG) emissions from all sectors, including those from agricultural activities. A comprehensive, long-term, and spatially-precise profile of agricultural GHG emissions can help to accurately understand drivers of historical emissions and their implications for future mitigation. This study constructs province-level agricultural GHG emissions in China from 1978 to 2016. It considers primary and secondary emissions from a full range of agricultural activities related to crop farming, including crop residue open burning, rice cultivation, cropland change, cropland emissions, machinery use, nitrogen fertilizer production, and pesticide production. Annual or interpolated activity data from official sources and the latest emission factors available for China were adopted in this study. The data can be used in spatial and temporal analysis of emissions from cropping systems as well as the design of mitigation strategy in China.
中国承诺在 2060 年前实现碳中和，这将需要大幅减少包括农业活动在内的所有领域的温室气体（GHG）排放。全面、长期和空间精确的农业 GHG 排放概况有助于准确了解历史排放的驱动因素及其对未来减排的影响。本研究构建了 1978 年至 2016 年中国省级农业 GHG 排放情况。它考虑了与作物种植相关的各种农业活动的一次和二次排放，包括作物秸秆露天燃烧、水稻种植、耕地变化、耕地排放、机械使用、氮肥生产和农药生产。本研究采用了官方来源的年度或插值活动数据以及中国最新的排放因子。这些数据可用于作物系统排放的时空分析以及中国减排策略的设计。
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