Occurrence of weak, sub-micron, tropospheric aerosol events at high Arctic latitudes

被引：26

作者：

O'Neill, N. T. ^{[1
]}

Pancrati, O. ^{[1
,5
]}

Baibakov, K. ^{[1
]}

Eloranta, E. ^{[3
]}

Batchelor, R. L. ^{[2
]}

Freemantle, J. ^{[1
]}

McArthur, L. J. B. ^{[4
]}

Strong, K. ^{[2
]}

Lindenmaier, R. ^{[2
]}

机构：

[1] Univ Sherbrooke, Ctr Res & Applicat Remote Sensing, Sherbrooke, PQ J1K 2R1, Canada

[2] Univ Toronto, Dept Phys, Toronto, ON, Canada

[3] Univ Wisconsin, Madison, WI USA

[4] Environm Canada, Toronto, ON, Canada

[5] Environm Canada, Dorval, PQ, Canada

来源：

GEOPHYSICAL RESEARCH LETTERS | 2008年 / 35卷 / 14期

关键词：

D O I：

10.1029/2008GL033733

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Numerous fine mode (sub-micron) aerosol optical events were observed during the summer of 2007 at the High Arctic atmospheric observatory (PEARL) located at Eureka, Nunavut, Canada. Half of these events could be traced to forest fires in southern and eastern Russia and the Northwest Territories of Canada. The most notable findings were that (a) a combination of ground-based measurements (passive sunphotometry, high spectral resolution lidar) could be employed to determine that weak (near sub-visual) fine mode events had occurred, and (b) this data combined with remote sensing imagery products (MODIS, OMI-AI, FLAMBE fire sources), Fourier transform spectroscopy and back trajectories could be employed to identify the smoke events.

引用

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