CO2, CH4 and particles flux measurements in Florence, Italy

被引：3

作者：

Gioli, Beniamino ^{[1
]}

Toscano, Piero ^{[1
]}

Zaldei, Alessandro ^{[1
]}

Fratini, Gerardo ^{[2
]}

Miglietta, Franco ^{[1
]}

机构：

[1] CNR IBIMET, Via Caproni 8, I-50145 Florence, Italy

[2] LI COR Biosci GmbH, D-61352 Bad Homburg, Germany

来源：

EUROPEAN GEOSCIENCES UNION GENERAL ASSEMBLY 2013, EGUDIVISION ENERGY, RESOURCES & THE ENVIRONMENT, ERE | 2013年 / 40卷

关键词：

eddy covariance; CH4 flux measurements; particles flux measurements; NET ECOSYSTEM EXCHANGE; EDDY COVARIANCE; CITY; METHANE;

D O I：

10.1016/j.egypro.2013.08.062

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Eddy covariance (EC) flux measurements of CO2, CH4 and particles in densely urbanized area in Florence are reported, and partitioned into emission categories. CO2 fluxes are a net source to the atmosphere, with small inter-annual variability and high seasonality. CH4 fluxes represent about 8% of CO2-equivalent emissions, and do not exhibit significant seasonality. Heating and road traffic account for 68% and 32% of observed CO2 emissions, respectively, and for 14% of CH4 emissions, while gas network leakages are responsible for the residual. Particle fluxes exhibit a pronounced weekend decrease, highlighting that the main contribution to emissions comes from road traffic. (C) 2013 The Authors. Published by Elsevier Ltd.

引用

页码：537 / 544

页数：8

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