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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F11%3A00360216%21RIV12-AV0-60077344
rdf:type
n12:Vysledek skos:Concept
dcterms:description
This study estimates Nr (reactive nitrogen = NH3-N + NOx-N) emissions from anthropogenic sources on a global scale since 8000 BC. The cumulative Nr emissions are 17.4 Pg N (8.6 Pg NH3-N and 8.8 Pg NOx-N, respectively) for 8000 BC through the year 2000, with 28% of this amount emitted during 1850–2000, 42% during 1–1850, and 30% during the previous 8,000 years. Forest and savannah burning represent the major cumulative flux of both NH3-N and NOx-N (3.5 and 5.8 Pg, respectively). Livestock production and biofuel burning are responsible for emissions of 3.3 and 1.2 Pg NH3-N, respectively, while the application of synthetic fertilizers contributes 0.26 Pg NH3-N. The cumulative NOx-N emission was higher from biofuel than fossil fuel use (1.9 vs. 1.1 Pg). The majority of the total cumulative anthropogenic Nr emission over the last 10,000 years occurred in the pre-industrial period and could have increased soil N pools of some remote ecosystems much earlier than is currently assumed. This study estimates Nr (reactive nitrogen = NH3-N + NOx-N) emissions from anthropogenic sources on a global scale since 8000 BC. The cumulative Nr emissions are 17.4 Pg N (8.6 Pg NH3-N and 8.8 Pg NOx-N, respectively) for 8000 BC through the year 2000, with 28% of this amount emitted during 1850–2000, 42% during 1–1850, and 30% during the previous 8,000 years. Forest and savannah burning represent the major cumulative flux of both NH3-N and NOx-N (3.5 and 5.8 Pg, respectively). Livestock production and biofuel burning are responsible for emissions of 3.3 and 1.2 Pg NH3-N, respectively, while the application of synthetic fertilizers contributes 0.26 Pg NH3-N. The cumulative NOx-N emission was higher from biofuel than fossil fuel use (1.9 vs. 1.1 Pg). The majority of the total cumulative anthropogenic Nr emission over the last 10,000 years occurred in the pre-industrial period and could have increased soil N pools of some remote ecosystems much earlier than is currently assumed.
dcterms:title
Anthropogenic nitrogen emissions during the Holocene and their possible effects on remote ecosystems Anthropogenic nitrogen emissions during the Holocene and their possible effects on remote ecosystems
skos:prefLabel
Anthropogenic nitrogen emissions during the Holocene and their possible effects on remote ecosystems Anthropogenic nitrogen emissions during the Holocene and their possible effects on remote ecosystems
skos:notation
RIV/60077344:_____/11:00360216!RIV12-AV0-60077344
n12:predkladatel
n20:ico%3A60077344
n3:aktivita
n19:Z n19:P
n3:aktivity
P(GA526/09/0567), Z(AV0Z60170517)
n3:cisloPeriodika
GB2017
n3:dodaniDat
n8:2012
n3:domaciTvurceVysledku
n6:4286731
n3:druhVysledku
n5:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
186386
n3:idVysledku
RIV/60077344:_____/11:00360216
n3:jazykVysledku
n4:eng
n3:klicovaSlova
reactive nitrogen; ammonia; NOx; agriculture; livestock; biomass burning; deforestation
n3:klicoveSlovo
n13:livestock n13:deforestation n13:NOx n13:ammonia n13:reactive%20nitrogen n13:agriculture n13:biomass%20burning
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[3B5366E6CCE3]
n3:nazevZdroje
Global Biogeochemical Cycles
n3:obor
n18:DI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n15:GA526%2F09%2F0567
n3:rokUplatneniVysledku
n8:2011
n3:svazekPeriodika
25
n3:tvurceVysledku
Kopáček, Jiří Posch, M.
n3:wos
000291101100001
n3:zamer
n9:AV0Z60170517
s:issn
0886-6236
s:numberOfPages
16
n14:doi
10.1029/2010GB003779