吴昊锦;王博;

• 1:西安高新第一中学

摘要(Abstract)：

在全球变暖的背景下,对人口和植被分布特征分析的前提下探究城市生态系统中温室气体(甲烷、二氧化碳、氧化亚氮)波动特征及机理。实验以西安市中心到郊区农业区为主线,按照人口递减和植被绿化面积递增的前提选取4个采气点(钟楼、丰庆公园、绕城高速、滦镇),共采集3次,每次重复3次,选取平均值来代表该区域温室气体浓度。结合气相色谱测定仪测定及与温度的分析发现:由于人口减少和植被增加,从钟楼途径丰庆公园和绕城高速到滦镇的过程中二氧化碳浓度大幅度降低,甲烷及氧化亚氮出现上升的趋势。

关键词(KeyWords)： 西安;城市生态系统;温室气体

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 吴昊锦;王博;

DOI: 10.19758/j.cnki.issn1673-288x.2016.06.073

参考文献(References)：

• [1]IPCC第四次评估报告气候变化,2007(综合报告),11-22.
• [2]蔡博峰.城市温室气体清单研究-气候变化研究进展.气候变化研究进展,2011,7(1):1673-1719.
• [3]刘伟,王继明,王智平.内蒙古典型草原植物功能型对土壤甲烷吸收的影响植物生态学,2011,35(3):275-283.
• [4]Forster P,Ramaswamy P,Artaxo P(2007)Changes in atmospheric constituents and in radiative forcing.In:Climate Change 2007,The Physical Science Basis.Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change(eds Solomon S,Qin D,Manning M,Chen Z,Marquis M,Averyt KB,Tignor M,Miller HL).Cambridge University Press,Cambridge,UK,129-234.
• [5]Keppler F,Hamilton JTG,Bra M,Rckmann T(2006)Methane emissions from terrestrial plants under aerobic conditions.Nature 439,187-191.
• [6]Takahashi K,Kosugi Y,Kanazawa A,Sakabe A(2012)Automated closedchamber measurements of methane fluxes from intact leaves and trunk of Japanese cypress.Atmospheric Environment 51,329-332.
• [7]Vigano I,Van Weelden H,Holzinger R,Keppler F,Mc Leod A,Rckmann T(2008)Effect of UV radiation and temperature on the emission of methane from plant biomass and structural components.Biogeosciences 5,937-947.
• [8]Qaderi MM,Reid DM(2011)Stressed crops emit more methane despite the mitigating effects of elevated carbon dioxide.Functional Plant Biology 38,97-105.