首页|Measurements of black carbon aerosol washout ratio on Svalbard

Measurements of black carbon aerosol washout ratio on Svalbard

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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.

Measurementscarbonwashout

DEAN A. HEGG、ANTONY D. CLARKE、SARAH J. DOHERTY、JOHAN STROM

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Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA

School of Ocean and Earth Sciences and Technology, University of Hawaii, Honolulu, Hawaii, USA

JISAO, University of Washington, Seattle,WA, USA

Norwegian Polar Institute, Tromso, Norway

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2011

10.1111/j.1600-0889.2011.00577.x

Tellus

Tellus

ISSN：0280-6509
年,卷(期)：2011.63(5)
  • 21
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