Climate and soil moisture content during development ofthe frst palaeosol in the southern Loess Plateau
Zhao, JB1,2; Luo, XQ3; Ma, YD2,4; Zhou, Q1; Chen, BQ3; Yue, YL3
2018-03-26
发表期刊Soil Science
卷号69期号:3页码:462–474
文章类型期刊论文
摘要The scientific problems concerning Quaternary soil water content and the water cycle have not been researched. This study examined the soil water content and depth of distribution of gravitational water in the south Loess Plateau during development of the first palaeosol layer (S1) by methods such as field investigation, electron microscopy, energy spectrum analysis, chemical analysis, and so on. The purpose was to reveal the climate, water balance and vegetation type at the time when S1 developed. The depth of migration of CaCO3 and Sr were 4.2 m below the upper boundary of the S1 palaeosol, and the depth of weathered loess beneath the argillic horizon was 4.0 m. Ferri‐argillans developed well in the argillic horizon and their depth of migration was 1 m below the argillic horizon. These findings suggest that the climate during the last interglacial was subtropical and humid, and the soil‐water balance was positive. Gravitational water was present to a depth of least 4.2 m from the top of S1, and the water content was adequate for tree growth. The chemical weathering index showed that this palaeosol has been moderately weathered.
DOI10.1111/ejss.12543
收录类别SCI
所属项目编号41210002 ; Water [2016]4 ; SKLLQG1626, SKLLQG1713
项目资助者National Natural Science Foundation ; National Natural Science Foundation ; Project of Xi’an Geological Survey Center of China Geological Survey ; Project of Xi’an Geological Survey Center of China Geological Survey ; State Key Laboratory of Loess and Quaternary Geology, ChineseAcademy of Sciences ; State Key Laboratory of Loess and Quaternary Geology, ChineseAcademy of Sciences
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5261
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Luo, XQ
作者单位1.Shaanxi Key Laboratory of Disasters Monitoring and Mechanism Simulation, Baoji University of Arts and Sciences, Gaoxin Road 1, Baoji 721013, China
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences,Yanxiang Road 97, Xi’an 710075, China
3.Department of geography, School of Geography and Tourism, Shaanxi Normal University,Chang’an Road 199, Xi’an 710062, China
4.Department of Hydrology and Water Resources, School of Environmental Science andEngineering, Chang’an University, Yanta Road 126, Xi’an 710054, China
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GB/T 7714
Zhao, JB,Luo, XQ,Ma, YD,et al. Climate and soil moisture content during development ofthe frst palaeosol in the southern Loess Plateau[J]. Soil Science,2018,69(3):462–474.
APA Zhao, JB,Luo, XQ,Ma, YD,Zhou, Q,Chen, BQ,&Yue, YL.(2018).Climate and soil moisture content during development ofthe frst palaeosol in the southern Loess Plateau.Soil Science,69(3),462–474.
MLA Zhao, JB,et al."Climate and soil moisture content during development ofthe frst palaeosol in the southern Loess Plateau".Soil Science 69.3(2018):462–474.
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