IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
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
Source PublicationSoil Science
Volume69Issue:3Pages:462–474
Subtype期刊论文
AbstractThe 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
Indexed BySCI
Project Number41210002 ; Water [2016]4 ; SKLLQG1626, SKLLQG1713
Funding OrganizationNational 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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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5261
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLuo, XQ
Affiliation1.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
Recommended Citation
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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