GSTDTAP  > 气候变化
DOI10.1002/2017JD027326
Rapid Adjustments Cause Weak Surface Temperature Response to Increased Black Carbon Concentrations
Stjern, Camilla Weum1; Samset, Bjorn Hallvard1; Myhre, Gunnar1; Forster, Piers M.2; Hodnebrog, Oivind1; Andrews, Timothy3; Boucher, Olivier4,6; Faluvegi, Gregory5; Iversen, Trond7; Kasoar, Matthew8; Kharin, Viatcheslav9; Kirkevag, Alf7; Lamarque, Jean-Francois10; Olivie, Dirk7; Richardson, Thomas2; Shawki, Dilshad8; Shindell, Drew11; Smith, Christopher J.2; Takemura, Toshihiko12; Voulgarakis, Apostolos8
2017-11-16
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2017
卷号122期号:21
文章类型Article
语种英语
国家Norway; England; France; USA; Canada; Japan
英文摘要

We investigate the climate response to increased concentrations of black carbon (BC), as part of the Precipitation Driver Response Model Intercomparison Project (PDRMIP). A tenfold increase in BC is simulated by nine global coupled-climate models, producing a model median effective radiative forcing of 0.82 (ranging from 0.41 to 2.91) Wm(-2), and a warming of 0.67 (0.16 to 1.66) K globally and 1.24 (0.26 to 4.31) K in the Arctic. A strong positive instantaneous radiative forcing (median of 2.10 Wm(-2) based on five of the models) is countered by negative rapid adjustments (-0.64 Wm(-2) for the same five models), which dampen the total surface temperature signal. Unlike other drivers of climate change, the response of temperature and cloud profiles to the BC forcing is dominated by rapid adjustments. Low-level cloud amounts increase for all models, while higher-level clouds are diminished. The rapid temperature response is particularly strong above 400 h Pa, where increased atmospheric stabilization and reduced cloud cover contrast the response pattern of the other drivers. In conclusion, we find that this substantial increase in BC concentrations does have considerable impacts on important aspects of the climate system. However, some of these effects tend to offset one another, leaving a relatively small median global warming of 0.47 K per Wm(-2)-about 20% lower than the response to a doubling of CO2. Translating the tenfold increase in BC to the present-day impact of anthropogenic BC (given the emissions used in this work) would leave a warming of merely 0.07 K.


英文关键词black carbon rapid adjustments climate semidirect
领域气候变化
收录类别SCI-E
WOS记录号WOS:000417195500010
WOS关键词CLIMATE RESPONSE ; VERTICAL PROFILES ; AEROSOL ; MODEL ; RADIATION ; SIMULATION ; ABSORPTION ; REDUCTION ; EMISSIONS ; TRANSPORT
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/33038
专题气候变化
作者单位1.CICERO Ctr Int Climate & Environm Res, Oslo, Norway;
2.Univ Leeds, Sch Earth & Environm, Leeds, W Yorkshire, England;
3.Met Off Hadley Ctr, Exeter, Devon, England;
4.Univ Paris 06, CNRS, Inst Pierre Simon Laplace, Paris, France;
5.Columbia Univ, Ctr Climate Syst Res, New York, NY USA;
6.NASA, Goddard Inst Space Studies, New York, NY 10025 USA;
7.Norwegian Meteorol Inst, Oslo, Norway;
8.Imperial Coll London, Dept Phys, London, England;
9.Canadian Ctr Climate Modelling & Anal, Victoria, BC, Canada;
10.UCAR, NCAR, Boulder, CO USA;
11.Duke Univ, Earth & Ocean Sci Div, Durham, NC USA;
12.Kyushu Univ, Climate Change Sci Sect, Fukuoka, Japan
推荐引用方式
GB/T 7714
Stjern, Camilla Weum,Samset, Bjorn Hallvard,Myhre, Gunnar,et al. Rapid Adjustments Cause Weak Surface Temperature Response to Increased Black Carbon Concentrations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(21).
APA Stjern, Camilla Weum.,Samset, Bjorn Hallvard.,Myhre, Gunnar.,Forster, Piers M..,Hodnebrog, Oivind.,...&Voulgarakis, Apostolos.(2017).Rapid Adjustments Cause Weak Surface Temperature Response to Increased Black Carbon Concentrations.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(21).
MLA Stjern, Camilla Weum,et al."Rapid Adjustments Cause Weak Surface Temperature Response to Increased Black Carbon Concentrations".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.21(2017).
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