作者
Hamish A McGowan, Grant H McTainsh, Peyman Zawar‐Reza, Andrew P Sturman
发表日期
2000/6
期刊
Earth Surface Processes and Landforms
卷号
25
期号
6
页码范围
633-647
出版商
John Wiley & Sons, Ltd.
简介
A kinematic trajectory model is used to investigate potential pathways of dust transport from Australia to New Zealand. Historically, these have been assumed to follow rather direct west–east trajectories spanning 2 to 3 days, often resulting in red snow events in the Southern Alps of New Zealand. However, results from the present study which examined the route taken by air parcels originating in southern Australia during dust storms on 24 and 25 May 1994, indicate that trans‐Tasman dust transport trajectories are more diverse than previously thought, and display considerable variation during single events. These more divergent pathways tie in more closely with aeolian dust sedimentation patterns identified by ocean coring in the Tasman Sea, and may account for the deposition of Australian dust on sub‐Antarctic islands located well south of the Australian continent. Copyright © 2000 John Wiley & Sons, Ltd.
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