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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15975
|2 doi
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|a pubmed24n1109.xml
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|a (DE-627)NLM332763862
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|a (NLM)34738298
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ma, Ruoya
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Data-driven estimates of fertilizer-induced soil NH3 , NO and N2 O emissions from croplands in China and their climate change impacts
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.02.2022
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|a Date Revised 23.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 John Wiley & Sons Ltd.
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|a Gaseous reactive nitrogen (Nr) emissions from agricultural soils to the atmosphere constitute an integral part of global N cycle, directly or indirectly causing climate change impacts. The extensive use of N fertilizer in crop production will compromise our efforts to reduce agricultural Nr emissions in China. A national inventory of fertilizer N-induced gaseous Nr emissions from croplands in China remains to be developed to reveal its role in shaping climate change. Here we present a data-driven estimate of fertilizer N-induced soil Nr emissions based on regional and crop-specific emission factors (EFs) compiled from 379 manipulative studies. In China, agricultural soil Nr emissions from the use of synthetic N fertilizer and manure in 2018 are estimated to be 3.81 and 0.73 Tg N yr-1 , with a combined contribution of 23%, 20% and 15% to the global agricultural emission total of ammonia (NH3 ), nitrous oxide (N2 O) and nitric oxide (NO), respectively. Over the past three decades, NH3 volatilization from croplands has experienced a shift from a rapid increase to a decline trend, whereas N2 O and NO emissions always maintain a strong growth momentum due to a robust and continuous rise of EFs. Regionally, croplands in Central south (1.51 Tg N yr-1 ) and East (0.99 Tg N yr-1 ) of China exhibit as hotspots of soil Nr emissions. In terms of crop-specific emissions, rice, maize and vegetable show as three leading Nr emitters, together accounting for 61% of synthetic N fertilizer-induced Nr emissions from croplands. The global warming effect derived from cropland N2 O emissions in China was found to dominate over the local cooling effects of NH3 and NO emissions. Our established regional and crop-specific EFs for gaseous Nr forms provide a new benchmark for constraining the IPCC Tier 1 default EF values. The spatio-temporal insight into soil Nr emission data from N fertilizer application in our estimate is expected to advance our efforts towards more accurate global or regional cropland Nr emission inventories and effective mitigation strategies
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|a Journal Article
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|a climate change
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| 650 |
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|a emission factor
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| 650 |
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|a fertilizer
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| 650 |
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|a nitrogen use efficiency
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| 650 |
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|a reactive nitrogen
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|a Fertilizers
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Nitric Oxide
|2 NLM
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| 650 |
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7 |
|a 31C4KY9ESH
|2 NLM
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| 650 |
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|a Nitrous Oxide
|2 NLM
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| 650 |
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7 |
|a K50XQU1029
|2 NLM
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| 650 |
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7 |
|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Yu, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiao, Shuqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shuwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ciais, Philippe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zou, Jianwen
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 28(2022), 3 vom: 04. Feb., Seite 1008-1022
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:28
|g year:2022
|g number:3
|g day:04
|g month:02
|g pages:1008-1022
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.15975
|3 Volltext
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|a AR
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|d 28
|j 2022
|e 3
|b 04
|c 02
|h 1008-1022
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