Stratospheric AOD after the 2011 eruption of Nabro volcano measured by lidars over the Northern Hemisphere

被引:58
作者
Sawamura, P. [1 ]
Vernier, J. P. [2 ]
Barnes, J. E. [3 ]
Berkoff, T. A. [4 ]
Welton, E. J. [5 ]
Alados-Arboledas, L. [6 ]
Navas-Guzman, F. [6 ]
Pappalardo, G. [7 ]
Mona, L. [7 ]
Madonna, F. [7 ]
Lange, D. [8 ,9 ]
Sicard, M. [8 ,9 ]
Godin-Beekmann, S. [10 ]
Payen, G. [10 ]
Wang, Z. [11 ]
Hu, S. [11 ]
Tripathi, S. N. [12 ,13 ]
Cordoba-Jabonero, C. [14 ]
Hoff, R. M. [1 ,4 ]
机构
[1] Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA
[2] NASA, Langley Res Ctr, Hampton, VA 23666 USA
[3] NOAA, ESRL, Mauna Loa Observ, Hilo, HI 96720 USA
[4] Joint Ctr Earth Syst Technol, Baltimore, MD USA
[5] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[6] Junta de Andalucia Univ Granada, Ctr Andaluz Medio Ambiente, Granada 18071, Spain
[7] CNR, IMAA, I-85050 Potenza, Italy
[8] Univ Politecn Cataluna, Remote Sensing Lab, E-08034 Barcelona, Spain
[9] UPC, Inst Estudis Espacials Catalunya, Barcelona, Spain
[10] Univ Paris 06, Lab Atmospheres, CNRS, F-75252 Paris 05, France
[11] Chinese Acad Sci, Key Lab Atmospher Composit & Opt Radiat, Anhui Inst Opt & Fine Mech, Hefei 230031, Anhui, Peoples R China
[12] Indian Inst Technol, Dept Civil Engn, Kanpur 208016, Uttar Pradesh, India
[13] Indian Inst Technol, Ctr Environm Sci & Engn, Kanpur 208016, Uttar Pradesh, India
[14] Inst Nacl Tecn Aerospacial, Madrid 28850, Spain
来源
ENVIRONMENTAL RESEARCH LETTERS | 2012年 / 7卷 / 03期
基金
英国自然环境研究理事会;
关键词
Nabro volcano; stratospheric AOD; lidar network; EYJAFJALLAJOKULL ERUPTION; AEROSOL LAYER; RAMAN LIDAR; DISPERSION; POLLUTION; NETWORK; EUROPE; CLOUD; APRIL;
D O I
10.1088/1748-9326/7/3/034013
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Nabro volcano (13.37 degrees N, 41.70 degrees E) in Eritrea erupted on 13 June 2011 generating a layer of sulfate aerosols that persisted in the stratosphere for months. For the first time we report on ground-based lidar observations of the same event from every continent in the Northern Hemisphere, taking advantage of the synergy between global lidar networks such as EARLINET, MPLNET and NDACC with independent lidar groups and satellite CALIPSO to track the evolution of the stratospheric aerosol layer in various parts of the globe. The globally averaged aerosol optical depth (AOD) due to the stratospheric volcanic aerosol layers was of the order of 0.018 +/- 0.009 at 532 nm, ranging from 0.003 to 0.04. Compared to the total column AOD from the available collocated AERONET stations, the stratospheric contribution varied from 2% to 23% at 532 nm.
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页数:9
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