The role of industrial nitrogen in the global nitrogen biogeochemical cycle

被引：66

作者：

Gu, Baojing ^{[1
,2
]}

Chang, Jie ^{[2
]}

Min, Yong ^{[2
]}

Ge, Ying ^{[2
]}

Zhu, Qiuan ^{[3
]}

Galloway, James N. ^{[4
]}

Peng, Changhui ^{[3
,5
]}

机构：

[1] Zhejiang Univ, Policy Simulat Lab, Hangzhou 310058, Zhejiang, Peoples R China

[2] Zhejiang Univ, Coll Life Sci, Hangzhou 310058, Zhejiang, Peoples R China

[3] Northwest Agr & Forest Univ, Coll Forestry, Lab Ecol Forecasting & Global Change, Yangling 712100, Peoples R China

[4] Univ Virginia, Dept Environm Sci, Charlottesville, VA 22904 USA

[5] Univ Quebec, Inst Environm Sci, Dept Biol Sci, Montreal, PQ H3C 3P8, Canada

来源：

SCIENTIFIC REPORTS | 2013年 / 3卷

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

MUNICIPAL SOLID-WASTE; PERSPECTIVE; EFFICIENCY; FATE;

D O I：

10.1038/srep02579

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Haber-Bosch nitrogen (N) has been increasingly used in industrial products, e.g., nylon, besides fertilizer. Massive numbers of species of industrial reactive N (Nr) have emerged and produced definite consequences but receive little notice. Based on a comprehensive inventory, we show that (1) the industrial N flux has increased globally from 2.5 to 25.4 Tg N yr(-1) from 1960 through 2008, comparable to the NOx emissions from fossil fuel combustion; (2) more than 25% of industrial products (primarily structural forms, e.g., nylon) tend to accumulate in human settlements due to their long service lives; (3) emerging Nr species define new N-assimilation and decomposition pathways and change the way that Nr is released to the environment; and (4) the loss of these Nr species to the environment has significant negative human and ecosystem impacts. Incorporating industrial Nr into urban environmental and biogeochemical models could help to advance urban ecology and environmental sciences.

引用

页数：7

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