Global air emission inventories for anthropogenic sources of NOx, NH3 and N2O in 1990

被引:0
作者
Olivier, JGJ [1 ]
Bouwman, AF [1 ]
Van der Hoek, KW [1 ]
Berdowski, JJM [1 ]
机构
[1] Natl Inst Publ Hlth & Environm RIVM, NL-3720 BA Bilthoven, Netherlands
来源
NITROGEN, THE CONFER-N-S | 1998年
关键词
ammonia; emission; global inventory; nitrogen oxides; nitrous oxide; policy options; uncertainty;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Global emission inventories with 1 degrees x1 degrees resolution were compiled for nitrogen oxides (NO + NO2, together denoted as NOx), ammonia (NH3 and nitrous oxide (N2O) emissions. For NOx the estimated global anthropogenic emission for 1990 is about 31 million ton N year(-1). The major anthropogenic sources identified include fossil fuel combustion (70%, of which the major sources are road transport and power plants) and biomass burning (20%). Natural sources contribute about 19 million ton N year(-1), mainly lightning and soil processes. For NH3 the estimated global emission for 1990 is about 54 million ton N year(-1). The major sources identified include excreta from domestic animals and wild animals, use of synthetic N fertilisers, oceans and biomass burning. About half of the global emission comes from Asia, and about 70% is related to food production. For N2O the major sources considered include fertilised arable land, animal excreta, soils under natural vegetation, oceans, and biomass burning. The global source of N2O is about 15 million ton N2O-N year(-1) of which about 30% is related to food production. All three inventories are available on a sectoral basis on a 1 degrees x1 degrees grid for input to global atmospheric models and on a regional/country basis for policy analysis.
引用
收藏
页码:135 / 148
页数:14
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