Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.5194/acp-17-10969-2017 |
Cross-polar transport and scavenging of Siberian aerosols containing black carbon during the 2012 ACCESS summer campaign | |
Raut, Jean-Christophe1; Marelle, Louis1,6; Fast, Jerome D.2; Thomas, Jennie L.1; Weinzierl, Bernadett3,4,5; Law, Katharine S.1; Berg, Larry K.2; Roiger, Anke3; Easter, Richard C.2; Heimerl, Katharina3,4,5; Onishi, Tatsuo1; Delanoe, Julien1; Schlager, Hans3 | |
2017-09-15 | |
发表期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS |
ISSN | 1680-7316 |
EISSN | 1680-7324 |
出版年 | 2017 |
卷号 | 17期号:18 |
文章类型 | Article |
语种 | 英语 |
国家 | France; USA; Germany; Austria; Norway |
英文摘要 | During the ACCESS airborne campaign in July 2012, extensive boreal forest fires resulted in significant aerosol transport to the Arctic. A 10-day episode combining intense biomass burning over Siberia and low-pressure systems over the Arctic Ocean resulted in efficient transport of plumes containing black carbon (BC) towards the Arctic, mostly in the upper troposphere (6-8 km). A combination of in situ observations (DLR Falcon aircraft), satellite analysis and WRF-Chem simulations is used to understand the vertical and horizontal transport mechanisms of BC with a focus on the role of wet removal. Between the northwestern Norwegian coast and the Svalbard archipelago, the Falcon aircraft sampled plumes with enhanced CO concentrations up to 200 ppbv and BC mixing ratios up to 25 ngkg(-1). During transport to the Arctic region, a large fraction of BC particles are scavenged by two wet deposition processes, namely wet removal by large-scale precipitation and removal in wet convective updrafts, with both processes contributing almost equally to the total accumulated deposition of BC. Our results underline that applying a finer horizontal resolution (40 instead of 100 km) improves the model performance, as it significantly reduces the overestimation of BC levels observed at a coarser resolution in the mid-troposphere. According to the simulations at 40 km, the transport efficiency of BC (TEBC) in biomass burning plumes was larger (60 %), because it was impacted by small accumulated precipitation along trajectory (1 mm). In contrast TEBC was small (< 30 %) and accumulated precipitation amounts were larger (5-10 mm) in plumes influenced by urban anthropogenic sources and flaring activities in northern Russia, resulting in transport to lower altitudes. TEBC due to large-scale precipitation is responsible for a sharp meridional gradient in the distribution of BC concentrations. Wet removal in cumulus clouds is the cause of modeled vertical gradient of TEBC, especially in the mid-latitudes, reflecting the distribution of convective precipitation, but is dominated in the Arctic region by the large-scale wet removal associated with the formation of stratocumulus clouds in the planetary boundary layer (PBL) that produce frequent drizzle. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000410778000004 |
WOS关键词 | ARCTIC SHIPPING EMISSIONS ; SHORT-LIVED POLLUTANTS ; LONG-RANGE TRANSPORT ; WARM CONVEYOR BELTS ; WRF-CHEM ; VERTICAL PROFILES ; ATMOSPHERE MODEL ; REGIONAL-SCALE ; AIR-POLLUTION ; GLOBAL-SCALE |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; 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/30376 |
专题 | 地球科学 |
作者单位 | 1.UPMC Univ Paris 06, CNRS, LATMOS IPSL, Sorbonne Univ,UVSQ, Paris, France; 2.Pacific Northwest Natl Lab, Richland, WA USA; 3.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Phys Atmosphare, Oberpfaffenhofen, Germany; 4.Ludwig Maximilians Univ Munchen, Meteorol Inst, Munich, Germany; 5.Univ Vienna, Aerosol Phys & Environm Phys, Vienna, Austria; 6.Ctr Int Climate & Environm Res, Oslo, Norway |
推荐引用方式 GB/T 7714 | Raut, Jean-Christophe,Marelle, Louis,Fast, Jerome D.,et al. Cross-polar transport and scavenging of Siberian aerosols containing black carbon during the 2012 ACCESS summer campaign[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2017,17(18). |
APA | Raut, Jean-Christophe.,Marelle, Louis.,Fast, Jerome D..,Thomas, Jennie L..,Weinzierl, Bernadett.,...&Schlager, Hans.(2017).Cross-polar transport and scavenging of Siberian aerosols containing black carbon during the 2012 ACCESS summer campaign.ATMOSPHERIC CHEMISTRY AND PHYSICS,17(18). |
MLA | Raut, Jean-Christophe,et al."Cross-polar transport and scavenging of Siberian aerosols containing black carbon during the 2012 ACCESS summer campaign".ATMOSPHERIC CHEMISTRY AND PHYSICS 17.18(2017). |
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