Arid
Inter-regional atmospheric transport of Australian dust
McGowan, HA; McTainsh, GH; Sturman, AP; Zawar-Reza, P
通讯作者McGowan, HA
会议名称International Symposium on Soil Erosion Research for the 21st Century
会议日期JAN 03-05, 2001
会议地点HONOLULU, HI
英文摘要

The Australian continent is arguably the principal source of tropospheric dust in the Southern Hemisphere. Dust entrained from this source by troughs and associated cold fronts is transported thousands of kilometres beyond the continent's shorelines into the South Pacific and Southern Ocean. Early evidence of this southeast dust path was obtained from dune orientations in central Australia (Bowler, 1976) and confirmed from meteorological records of dust storm occurrence (McTainsh and Leys, 1993) in conjunction with ground based monitoring (McTainsh and Lynch, 1996). But limited evidence has been presented of individual dust plume trajectories and transport times. Recently, a kinematic trajectory model that uses observed and/or modeled three dimensional wind field data has been used to compute the movement of air parcels from known dust storms in the semi-arid agricultural lands of southeastern and central Australia, Results indicate that air parcels which are likely to contain dust from these source areas follow west - east pathways that frequently display considerable spatial and temporal variability.


英文关键词dust storm Australia climate trajectory modelling
来源出版物SOIL EROSION RESEARCH FOR THE 21ST CENTURY, PROCEEDINGS
出版年2001
页码310-313
ISBN1-892769-16-6
出版者AMER SOC AGR ENGINEERS
类型Proceedings Paper
语种英语
国家New Zealand
收录类别CPCI-S
WOS记录号WOS:000174171700080
WOS关键词AEROSOLS ; ARIDITY
WOS类目Soil Science
WOS研究方向Agriculture
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/293613
作者单位(1)Victoria Univ Wellington, Inst Geog, Wellington, New Zealand
推荐引用方式
GB/T 7714
McGowan, HA,McTainsh, GH,Sturman, AP,et al. Inter-regional atmospheric transport of Australian dust[C]:AMER SOC AGR ENGINEERS,2001:310-313.
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