Arid
DOI10.1016/j.rse.2015.08.010
Correction of dust event frequency from MODIS Quick-Look imagery using in-situ aerosol measurements over the Lake Eyre Basin, Australia
O’Loingsigh, T.1; Mitchell, R. M.2; Campbell, S. K.2; Drake, N. A.3; McTainsh, G. H.4; Tapper, N. J.1; Dunkerley, D. L.1
通讯作者Mitchell, R. M.
来源期刊REMOTE SENSING OF ENVIRONMENT
ISSN0034-4257
EISSN1879-0704
出版年2015
卷号169页码:222-231
英文摘要

Subjective visual interpretation of MODIS Quick-Look imagery has proven useful in characterising dust source geomorphology and dust event frequency over diverse areas, but is limited by the small temporal sampling window of polar orbiting platforms, and obscuration by cloud. In this paper we seek to quantify the inevitable under-reporting of dust events in Quick-Look imagery, via a three-year case study over the Lake Eyre Basin (LEB), the largest dust source in Australia and the southern hemisphere. Dust event identification from MODIS imagery is compared with the level of dust mobilization inferred from measurements of near-surface aerosol made by a continuously-operating integrating nephelometer, located at the AeroSpan/AERONET station at Tinga Tingana in the Strzelecki Desert, adjacent to major dust sources in the LEB. The analysis indicates a major upward revision in the overall dust event frequency by -72%, including a doubling of the incidence of major dust outbreaks. The intensity of missed events increases toward late afternoon and evening, although without a net day-night bias. These factors suggest the potential of new geostationary sensors and the analysis of night-time polar orbiting imagery in improving the reporting of dust mobilization over active dust-source regions. For the LEB, the corrections are crucial in understanding not only the seasonal distribution of dust mobilization, but its interannual variability and climatology. (C) 2015 Elsevier Inc. All rights reserved.


英文关键词Remote sensing MODIS Dust storm Nephelometer
类型Article
语种英语
国家Australia ; England
收录类别SCI-E
WOS记录号WOS:000363815900017
WOS关键词METEOROLOGICAL RECORDS ; COVER ; IDENTIFICATION ; PERIODS ; STORM ; USA
WOS类目Environmental Sciences ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向Environmental Sciences & Ecology ; Remote Sensing ; Imaging Science & Photographic Technology
来源机构Commonwealth Scientific and Industrial Research Organisation ; University of London
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190216
作者单位1.Monash Univ, Sch Earth Atmosphere & Environm, Clayton, Vic 3800, Australia;
2.CSIRO Oceans & Atmosphere Flagship, Canberra, ACT 2601, Australia;
3.Univ London, Kings Coll London, Dept Geog, London WC1E 7HU, England;
4.Griffith Univ, Sch Environm, Brisbane, Qld 4111, Australia
推荐引用方式
GB/T 7714
O’Loingsigh, T.,Mitchell, R. M.,Campbell, S. K.,et al. Correction of dust event frequency from MODIS Quick-Look imagery using in-situ aerosol measurements over the Lake Eyre Basin, Australia[J]. Commonwealth Scientific and Industrial Research Organisation, University of London,2015,169:222-231.
APA O’Loingsigh, T..,Mitchell, R. M..,Campbell, S. K..,Drake, N. A..,McTainsh, G. H..,...&Dunkerley, D. L..(2015).Correction of dust event frequency from MODIS Quick-Look imagery using in-situ aerosol measurements over the Lake Eyre Basin, Australia.REMOTE SENSING OF ENVIRONMENT,169,222-231.
MLA O’Loingsigh, T.,et al."Correction of dust event frequency from MODIS Quick-Look imagery using in-situ aerosol measurements over the Lake Eyre Basin, Australia".REMOTE SENSING OF ENVIRONMENT 169(2015):222-231.
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