Arid
DOI10.1016/j.geomorph.2018.02.018
Dune mobility in the St. Anthony Dune Field, Idaho, USA: Effects of meteorological variables and lag time
Hoover, R. H.; Gaylord, D. R.; Cooper, C. M.
通讯作者Hoover, R. H.
来源期刊GEOMORPHOLOGY
ISSN0169-555X
EISSN1872-695X
出版年2018
卷号309页码:29-37
英文摘要

The St. Anthony Dune Field (SADF) is a similar to 300 km(2) expanse of active to stabilized transverse, barchan, barchanoid, and parabolic sand dunes located in a semi-arid climate in southeastern Idaho. The northeastern portion of the SADF, similar to 16 km(2), was investigated to examine meteorological influences on dune mobility. Understanding meteorological predictors of sand-dune migration for the SADF informs landscape evolution and impacts assessment of eolian activity on sensitive agricultural lands in the western United States, with implications for semi-arid environments globally. Archival aerial photos from 1954 to 2011 were used to calculate dune migration rates which were subsequently compared to regional meteorological data, including temperature, precipitation and wind speed. Observational analyses based on aerial photo imagery and meteorological data indicate that dune migration is influenced by weather for up to 5-10 years and therefore decadal weather patterns should be taken into account when using dune migration rates as proxies from climate fluctuation. Statistical examination of meteorological variables in this study indicates that 24% of the variation of sand dune migration rates is attributed to temperature, precipitation and wind speed, which is increased to 45% when incorporating lag time. (C) 2018 Elsevier B.V. All rights reserved.


英文关键词Saint Anthony Dune Field Dune mobility Mobility index Lag time
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000430525500003
WOS关键词SNAKE RIVER PLAIN ; GREAT-PLAINS ; SAND-DUNES ; CANADIAN PRAIRIES ; PARABOLIC DUNES ; CLIMATE ; STABILIZATION ; 19TH-CENTURY ; WASHINGTON ; VEGETATION
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/209659
作者单位Washington State Univ, Pullman, WA 99164 USA
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Hoover, R. H.,Gaylord, D. R.,Cooper, C. M.. Dune mobility in the St. Anthony Dune Field, Idaho, USA: Effects of meteorological variables and lag time[J],2018,309:29-37.
APA Hoover, R. H.,Gaylord, D. R.,&Cooper, C. M..(2018).Dune mobility in the St. Anthony Dune Field, Idaho, USA: Effects of meteorological variables and lag time.GEOMORPHOLOGY,309,29-37.
MLA Hoover, R. H.,et al."Dune mobility in the St. Anthony Dune Field, Idaho, USA: Effects of meteorological variables and lag time".GEOMORPHOLOGY 309(2018):29-37.
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