Black carbon vertical profiles strongly affect its radiative forcing uncertainty

被引：205

作者：

Samset, B. H. ^{[1
]}

Myhre, G. ^{[1
]}

Schulz, M. ^{[2
]}

Balkanski, Y. ^{[3
]}

Bauer, S. ^{[4
,5
]}

Berntsen, T. K. ^{[1
]}

Bian, H. ^{[6
]}

Bellouin, N. ^{[7
]}

Diehl, T. ^{[8
,9
]}

Easter, R. C. ^{[10
]}

Ghan, S. J. ^{[10
]}

Iversen, T. ^{[2
,12
,17
]}

Kinne, S. ^{[11
]}

Kirkevag, A. ^{[2
]}

Lamarque, J. -F. ^{[13
]}

Lin, G. ^{[14
]}

Liu, X. ^{[10
]}

Penner, J. E. ^{[14
]}

Seland, O. ^{[2
]}

Skeie, R. B. ^{[1
]}

Stier, P. ^{[15
]}

Takemura, T. ^{[16
]}

Tsigaridis, K. ^{[4
,5
]}

Zhang, K. ^{[10
,11
]}

机构：

[1] CICERO, Oslo, Norway

[2] Norwegian Meteorol Inst, Oslo, Norway

[3] UVSQ, CNRS, CEA, Lab Sci Climat & Environm, Gif Sur Yvette, France

[4] NASA, Goddard Inst Space Studies, New York, NY 10025 USA

[5] Columbia Earth Inst, New York, NY USA

[6] Univ Maryland Baltimore Cty, Joint Ctr Earth Syst Technol, Baltimore, MD 21228 USA

[7] Met Off, Hadley Ctr, Exeter, Devon, England

[8] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[9] Univ Space Res Assoc, Columbia, MD USA

[10] Pacific NW Natl Lab, Richland, WA 99352 USA

[11] Max Planck Inst Meteorol, D-20146 Hamburg, Germany

[12] Univ Oslo, Dept Geosci, Oslo, MN USA

[13] Natl Ctr Atmospher Res, NCAR Earth Syst Lab, Boulder, CO 80307 USA

[14] Univ Michigan, Dept Atmospher Ocean & Space Sci, Ann Arbor, MI 48109 USA

[15] Univ Oxford, Dept Phys, Oxford, England

[16] Kyushu Univ, Res Inst Appl Mech, Fukuoka 812, Japan

[17] ECMWF, Reading RG2 9AX, Berks, England

来源：

ATMOSPHERIC CHEMISTRY AND PHYSICS | 2013年 / 13卷 / 05期

基金：

美国国家科学基金会;

关键词：

AEROSOL DIRECT; MODEL; SENSITIVITY; ATMOSPHERE; EMISSIONS; TRANSPORT; POLLUTION;

D O I：

10.5194/acp-13-2423-2013

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The impact of black carbon (BC) aerosols on the global radiation balance is not well constrained. Here twelve global aerosol models are used to show that at least 20% of the present uncertainty in modeled BC direct radiative forcing (RF) is due to diversity in the simulated vertical profile of BC mass. Results are from phases 1 and 2 of the global aerosol model intercomparison project (AeroCom). Additionally, a significant fraction of the variability is shown to come from high altitudes, as, globally, more than 40% of the total BC RF is exerted above 5 km. BC emission regions and areas with transported BC are found to have differing characteristics. These insights into the importance of the vertical profile of BC lead us to suggest that observational studies are needed to better characterize the global distribution of BC, including in the upper troposphere.

引用

页码：2423 / 2434

页数：12

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