GuDongPengEtAl2012

Référence

Gu, B., Dong, X., Peng, C., Luo, W., Chang, J. and Ge, Y. (2012) The long-term impact of urbanization on nitrogen patterns and dynamics in Shanghai, China. Environmental Pollution, 171:30-37. (Scopus )

Résumé

Urbanization is an important process that alters the regional and global nitrogen biogeochemistry. In this study, we test how long-term urbanization (1952-2004) affects the nitrogen flows, emissions and drivers in the Greater Shanghai Area (GSA) based on the coupled human and natural systems (CHANS) approach. Results show that: (1) total nitrogen input to the GSA increased from 57.7 to 587.9 Gg N yr -1 during the period 1952-2004, mainly attributing to fossil fuel combustion (43%), Haber-Bosch nitrogen fixation (31%), and food/feed import (26%); (2) per capita nitrogen input increased from 13.5 to 45.7 kg N yr -1, while per gross domestic product (GDP) nitrogen input reduced from 22.2 to 0.9 g N per Chinese Yuan, decoupling of nitrogen with GDP; (3) emissions of reactive nitrogen to the environment transformed from agriculture dominated to industry and human living dominated, especially for air pollution. This study provides decision-makers a novel view of nitrogen management. © 2012 Elsevier Ltd. All rights reserved.

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@ARTICLE { GuDongPengEtAl2012,
    AUTHOR = { Gu, B. and Dong, X. and Peng, C. and Luo, W. and Chang, J. and Ge, Y. },
    TITLE = { The long-term impact of urbanization on nitrogen patterns and dynamics in Shanghai, China },
    JOURNAL = { Environmental Pollution },
    YEAR = { 2012 },
    VOLUME = { 171 },
    PAGES = { 30-37 },
    ABSTRACT = { Urbanization is an important process that alters the regional and global nitrogen biogeochemistry. In this study, we test how long-term urbanization (1952-2004) affects the nitrogen flows, emissions and drivers in the Greater Shanghai Area (GSA) based on the coupled human and natural systems (CHANS) approach. Results show that: (1) total nitrogen input to the GSA increased from 57.7 to 587.9 Gg N yr -1 during the period 1952-2004, mainly attributing to fossil fuel combustion (43%), Haber-Bosch nitrogen fixation (31%), and food/feed import (26%); (2) per capita nitrogen input increased from 13.5 to 45.7 kg N yr -1, while per gross domestic product (GDP) nitrogen input reduced from 22.2 to 0.9 g N per Chinese Yuan, decoupling of nitrogen with GDP; (3) emissions of reactive nitrogen to the environment transformed from agriculture dominated to industry and human living dominated, especially for air pollution. This study provides decision-makers a novel view of nitrogen management. © 2012 Elsevier Ltd. All rights reserved. },
    COMMENT = { Export Date: 9 November 2012 Source: Scopus CODEN: ENPOE doi: 10.1016/j.envpol.2012.07.015 },
    ISSN = { 02697491 (ISSN) },
    KEYWORDS = { Agriculture, Biogeochemistry, Decoupling, Fossil fuel, Nitrogen pollution, Policy, Removal capacity, Decision makers, Decoupling, Fossil fuel combustion, Gross domestic products, Natural systems, Nitrogen flow, Nitrogen management, Nitrogen pollution, Per capita, Reactive nitrogen, Removal capacity, Shanghai , China, Shanghai area, Total nitrogen, Agriculture, Biogeochemistry, Economic and social effects, Fossil fuels, Fuels, Nitrogen, Nitrogen fixation, Public policy, Urban growth, Nitrogen removal, fossil fuel, nitrogen, agricultural emission, atmospheric pollution, biogeochemistry, combustion, decision making, emission control, environmental impact, fossil fuel, nitrogen, nitrogen fixation, pollutant removal, pollution policy, urbanization, article, atmospheric deposition, chemical analysis, chemical reaction kinetics, China, combustion, concentration (parameters), environmental impact, environmental impact assessment, environmental management, environmental monitoring, gross national product, hydrosphere, nitrogen concentration, nitrogen cycle, rating scale, urbanization, China, Shanghai },
    OWNER = { Luc },
    TIMESTAMP = { 2012.11.09 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84864503702&partnerID=40&md5=21457b45269688611720ed5655a42fe8 },
}

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