Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin

Abstract The Tarim Basin is regarded as one of the most highly erodible areas in China. Desert comprises 64% of the land use in the Basin, but the desert–oasis ecotone plays a prominent role in maintaining oasis ecological security and stability. Yet, little is known concerning the magnitude of wind...

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Autores principales:	Huawei Pi, Brenton Sharratt, Jiaqiang Lei
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c5c51c50e9e74b8f922e3e430ddb82e6
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spelling	oai:doaj.org-article:c5c51c50e9e74b8f922e3e430ddb82e62021-12-02T15:06:10ZWindblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin10.1038/s41598-017-04971-42045-2322https://doaj.org/article/c5c51c50e9e74b8f922e3e430ddb82e62017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04971-4https://doaj.org/toc/2045-2322Abstract The Tarim Basin is regarded as one of the most highly erodible areas in China. Desert comprises 64% of the land use in the Basin, but the desert–oasis ecotone plays a prominent role in maintaining oasis ecological security and stability. Yet, little is known concerning the magnitude of windblown sediment transport in a desert-oasis ecotone. Therefore, aeolian sediment transport and loss was assessed from a desert-oasis experimental site located near Alaer City in the northwestern Tarim Basin. Sediment transport and factors governing transport were measured during three high wind events in 2012 and four events in 2013. Sediment transport was measured to a height of 10 m using passive aeolian airborne sediment samplers. The mass flux profile over the eroding surface was well represented by the power-law (R2 > 0.77). Sediment loss from the site ranged from 118 g m−2 for the 20–24Apr 2012 wind event to 2925 g m−2 for the 31Mar–11Apr 2012 event. Suspension accounted for 67.4 to 84.8% of sediment loss across all high wind events. Our results indicate the severity of wind erosion in a desert-oasis ecotone and thus encourage adoption of management practices that will enhance oasis ecological security.Huawei PiBrenton SharrattJiaqiang LeiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Huawei Pi Brenton Sharratt Jiaqiang Lei Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin
description	Abstract The Tarim Basin is regarded as one of the most highly erodible areas in China. Desert comprises 64% of the land use in the Basin, but the desert–oasis ecotone plays a prominent role in maintaining oasis ecological security and stability. Yet, little is known concerning the magnitude of windblown sediment transport in a desert-oasis ecotone. Therefore, aeolian sediment transport and loss was assessed from a desert-oasis experimental site located near Alaer City in the northwestern Tarim Basin. Sediment transport and factors governing transport were measured during three high wind events in 2012 and four events in 2013. Sediment transport was measured to a height of 10 m using passive aeolian airborne sediment samplers. The mass flux profile over the eroding surface was well represented by the power-law (R2 > 0.77). Sediment loss from the site ranged from 118 g m−2 for the 20–24Apr 2012 wind event to 2925 g m−2 for the 31Mar–11Apr 2012 event. Suspension accounted for 67.4 to 84.8% of sediment loss across all high wind events. Our results indicate the severity of wind erosion in a desert-oasis ecotone and thus encourage adoption of management practices that will enhance oasis ecological security.
format	article
author	Huawei Pi Brenton Sharratt Jiaqiang Lei
author_facet	Huawei Pi Brenton Sharratt Jiaqiang Lei
author_sort	Huawei Pi
title	Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin
title_short	Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin
title_full	Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin
title_fullStr	Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin
title_full_unstemmed	Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin
title_sort	windblown sediment transport and loss in a desert–oasis ecotone in the tarim basin
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/c5c51c50e9e74b8f922e3e430ddb82e6
work_keys_str_mv	AT huaweipi windblownsedimenttransportandlossinadesertoasisecotoneinthetarimbasin AT brentonsharratt windblownsedimenttransportandlossinadesertoasisecotoneinthetarimbasin AT jiaqianglei windblownsedimenttransportandlossinadesertoasisecotoneinthetarimbasin
_version_	1718388609164247040

Windblown sediment transport and loss in a desert–oasis ecotone in the Tarim Basin

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