HFC-43-10mee atmospheric abundances and global emission estimates

被引：11

作者：

Arnold, Tim ^{[1
]}

Ivy, Diane J. ^{[2
]}

Harth, Christina M. ^{[1
]}

Vollmer, Martin K. ^{[3
]}

Muehle, Jens ^{[1
]}

Salameh, Peter K. ^{[1
]}

Steele, L. Paul ^{[4
]}

Krummel, Paul B. ^{[4
]}

Wang, Ray H. J. ^{[5
]}

Young, Dickon ^{[6
]}

Lunder, Chris R. ^{[7
]}

Hermansen, Ove ^{[7
]}

Rhee, Tae Siek ^{[8
]}

Kim, Jooil ^{[1
]}

Reimann, Stefan ^{[3
]}

O'Doherty, Simon ^{[6
]}

Fraser, Paul J. ^{[4
]}

Simmonds, Peter G. ^{[6
]}

Prinn, Ronald G. ^{[9
]}

Weiss, Ray F. ^{[1
]}

机构：

[1] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA

[2] MIT, Cambridge, MA 02139 USA

[3] Empa, Swiss Fed Labs Mat Sci & Technol, Lab Air Pollut & Environm Technol, Dubendorf, Switzerland

[4] CSIRO Marine & Atmospher Res, Ctr Australian Weather & Climate Res, Aspendale, Vic, Australia

[5] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA

[6] Univ Bristol, Sch Chem, Atmospher Chem Res Grp, Bristol, Avon, England

[7] Norwegian Inst Air Res, Kjeller, Norway

[8] Korea Polar Res Inst, Inchon, South Korea

[9] MIT, Ctr Global Change Sci, Cambridge, MA 02139 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2014年 / 41卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

HFC-43-10mee; atmospheric abundance; radiative forcing; emissions; mass spectrometry; IN-SITU MEASUREMENTS; CLIMATE; LIFETIMES; RADICALS; GASES; OH;

D O I：

10.1002/2013GL059143

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We report in situ atmospheric measurements of hydrofluorocarbon HFC-43-10mee (C5H2F10; 1,1,1,2,2,3,4,5,5,5-decafluoropentane) from seven observatories at various latitudes, together with measurements of archived air samples and recent Antarctic flask air samples. The global mean tropospheric abundance was 0.210.05ppt (parts per trillion, dry air mole fraction) in 2012, rising from 0.040.03ppt in 2000. We combine the measurements with a model and an inverse method to estimate rising global emissionsfrom 0.430.34Ggyr(-1) in 2000 to 1.130.31Ggyr(-1) in 2012 (similar to 1.9TgCO(2)-eqyr(-1) based on a 100year global warming potential of 1660). HFC-43-10meea cleaning solvent used in the electronics industryis currently a minor contributor to global radiative forcing relative to total HFCs; however, our calculated emissions highlight a significant difference from the available reported figures and projected estimates.

引用

页码：2228 / 2235

页数：8

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