Arid
DOI10.1016/j.yqres.2014.11.002
A soil chronosequence on Lake Mega-Frome beach ridges and its implications for late Quaternary pedogenesis and paleoenvironmental conditions in the drylands of southern Australia
May, Jan-Hendrik1; Wells, Stephen G.2; Cohen, Timothy J.1; Marx, Samuel K.1; Nanson, Gerald C.1; Baker, Sophie E.2
通讯作者May, Jan-Hendrik
来源期刊QUATERNARY RESEARCH
ISSN0033-5894
EISSN1096-0287
出版年2015
卷号83期号:1页码:150-165
英文摘要

The terminal lake systems of central Australia are key sites for the reconstruction of late Quaternary paleoenvironments. Paleoshoreline deposits around these lakes reflect repeated lake filling episodes and such landforms have enabled the establishment of a luminescence-based chronology for filling events in previous studies. Here we present a detailed documentation of the morphology and chemistry of soils developed in four well-preserved beach ridges of late Pleistocene and mid-to-late Holocene age at Lake Callabonna to assess changes in dominant pedogenic processes. All soil profiles contain evidence for the incorporation of eolian-derived material, likely via the formation of desert pavements and vesicular horizons, and limited illuviation due to generally shallow wetting fronts. Even though soil properties in the four studied profiles also provide examples of parent material influence or site-specific processes related to the geomorphic setting, there is an overall trend of increasing enrichment of eolian-derived material since at least similar to 33 ka. Compared to the Holocene profiles, the derived average accumulation rates for the late Pleistocene profiles are significantly lower and may suggest that soils record important regional changes in paleoenvironments and dust dynamics related to shifts in the Southern Hemisphere westerlies. (C) 2014 University of Washington. Published by Elsevier Inc. All rights reserved.


英文关键词Beach ridges Soil formation Chronosequence late Quaternary Desert pavement Eolian dust Paleoenvironments
类型Article
语种英语
国家Australia ; USA
收录类别SCI-E
WOS记录号WOS:000349276300013
WOS关键词CIMA-VOLCANIC-FIELD ; LAST GLACIAL CYCLE ; MOJAVE-DESERT ; HYDROLOGIC CHANGES ; DUST DEPOSITION ; CLIMATE-CHANGE ; CALIFORNIA ; RECORD ; EYRE ; VARIABILITY
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构Desert Research Institute
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190055
作者单位1.Univ Wollongong, GeoQuest Res Ctr, Sch Earth & Environm Sci, Wollongong, NSW 2522, Australia;
2.Nevada Syst Higher Educ, Desert Res Inst, Reno, NV 89572 USA
推荐引用方式
GB/T 7714
May, Jan-Hendrik,Wells, Stephen G.,Cohen, Timothy J.,et al. A soil chronosequence on Lake Mega-Frome beach ridges and its implications for late Quaternary pedogenesis and paleoenvironmental conditions in the drylands of southern Australia[J]. Desert Research Institute,2015,83(1):150-165.
APA May, Jan-Hendrik,Wells, Stephen G.,Cohen, Timothy J.,Marx, Samuel K.,Nanson, Gerald C.,&Baker, Sophie E..(2015).A soil chronosequence on Lake Mega-Frome beach ridges and its implications for late Quaternary pedogenesis and paleoenvironmental conditions in the drylands of southern Australia.QUATERNARY RESEARCH,83(1),150-165.
MLA May, Jan-Hendrik,et al."A soil chronosequence on Lake Mega-Frome beach ridges and its implications for late Quaternary pedogenesis and paleoenvironmental conditions in the drylands of southern Australia".QUATERNARY RESEARCH 83.1(2015):150-165.
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