Arid
DOI10.1029/2011JF002061
Preferential dust sources: A geomorphological classification designed for use in global dust-cycle models
Bullard, Joanna E.1; Harrison, Sandy P.2,3; Baddock, Matthew C.4; Drake, Nick5; Gill, Thomas E.6; McTainsh, Grant7; Sun, Youbin8
通讯作者Bullard, Joanna E.
来源期刊JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE
ISSN2169-9003
EISSN2169-9011
出版年2011
卷号116
英文摘要

We present a simple theoretical land-surface classification that can be used to determine the location and temporal behavior of preferential sources of terrestrial dust emissions. The classification also provides information about the likely nature of the sediments, their erodibility and the likelihood that they will generate emissions under given conditions. The scheme is based on the dual notions of geomorphic type and connectivity between geomorphic units. We demonstrate that the scheme can be used to map potential modern-day dust sources in the Chihuahuan Desert, the Lake Eyre Basin and the Taklamakan. Through comparison with observed dust emissions, we show that the scheme provides a reasonable prediction of areas of emission in the Chihuahuan Desert and in the Lake Eyre Basin. The classification is also applied to point source data from the Western Sahara to enable comparison of the relative importance of different land surfaces for dust emissions. We indicate how the scheme could be used to provide an improved characterization of preferential dust sources in global dust-cycle models.


类型Article
语种英语
国家England ; Australia ; USA ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000298545900001
WOS关键词WIND-SPEED VARIABILITY ; LAST GLACIAL PERIOD ; NATURAL DUNE SANDS ; OWENS DRY LAKE ; DESERT DUST ; MINERAL DUST ; CHIHUAHUAN DESERT ; UNITED-STATES ; SAHARAN DUST ; SIZE DISTRIBUTIONS
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
来源机构中国科学院地球环境研究所 ; University of London
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/169229
作者单位1.Univ Loughborough, Dept Geog, Loughborough LE11 3TU, Leics, England;
2.Univ Bristol, Sch Geol Sci, Bristol, Avon, England;
3.Macquarie Univ, Sch Biol Sci, N Ryde, NSW 2109, Australia;
4.Univ Virginia, Dept Environm Sci, Charlottesville, VA 22904 USA;
5.Kings Coll London, Dept Geog, London WC2R 2LS, England;
6.Univ Texas El Paso, Dept Geol Sci, El Paso, TX 79968 USA;
7.Griffith Univ, Griffith Sch Environm, Brisbane, Qld 4111, Australia;
8.Chinese Acad Sci, Inst Earth Environm, Xian 711075, Peoples R China
推荐引用方式
GB/T 7714
Bullard, Joanna E.,Harrison, Sandy P.,Baddock, Matthew C.,et al. Preferential dust sources: A geomorphological classification designed for use in global dust-cycle models[J]. 中国科学院地球环境研究所, University of London,2011,116.
APA Bullard, Joanna E..,Harrison, Sandy P..,Baddock, Matthew C..,Drake, Nick.,Gill, Thomas E..,...&Sun, Youbin.(2011).Preferential dust sources: A geomorphological classification designed for use in global dust-cycle models.JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE,116.
MLA Bullard, Joanna E.,et al."Preferential dust sources: A geomorphological classification designed for use in global dust-cycle models".JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE 116(2011).
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