Measurements of black carbon aerosol washout ratio on Svalbard

被引：32

作者：

Hegg, Dean A. ^{[1
]}

Clarke, Antony D. ^{[2
]}

Doherty, Sarah J. ^{[3
]}

Strom, Johan ^{[4
,5
]}

机构：

[1] Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA

[2] Univ Hawaii, Sch Ocean & Earth Sci & Technol, Honolulu, HI 96822 USA

[3] Univ Washington, JISAO, Seattle, WA 98195 USA

[4] Norwegian Polar Res Inst, Tromso, Norway

[5] Stockholm Univ, Dept Appl Environm Sci, S-10691 Stockholm, Sweden

来源：

TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY | 2011年 / 63卷 / 05期

关键词：

MIXED-PHASE CLOUDS; LIGHT-ABSORPTION; MICROPHYSICS PARAMETERIZATION; SCAVENGING EFFICIENCIES; ELEMENTAL CARBON; SNOW; CLIMATE; PARTICLES; GREENLAND; SOOT;

D O I：

10.1111/j.1600-0889.2011.00577.x

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

Simultaneous measurements of aerosol black carbon (BC) in both fresh snow and in air on Svalbard are presented. From these, washout ratios for BC are calculated and compared to sparse previous measurements of this metric in the arctic. The current ratios are significantly higher than previously found measured values. We argue that the degree of snow riming within the accretion zone can explain most of this difference. Using an analytical model of the scavenging process, BC scavenging efficiencies are estimated to lie in the range 0.25-0.5, comparable to measured values.

引用

页码：891 / 900

页数：10

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