IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Soil characteristics and new formation model of loesson the Chinese Loess Plateau
Zhao,JB(Zhao,Jingbo)1,2; Luo,XQ(Luo,Xiaoqing)1; Ma,YD(Ma,Yandong)1; Shao,TJ(Shao,Tianjie)1; Yue,YL(Yue,Yingli)1; Zhao,Jingbo
2017-08
Source PublicationGeosciences Journal
Volume21Issue:4Pages:607-616
Subtype期刊论文
AbstractIn this paper characteristics of loess are discussed from a pedological perspective. A new model of loess formation is presented, developed in different soil formation processes according to its pedogenic characteristics, including soil structure, organic matter content and CaCO3 content. Loess has all the characteristics of typical soils and all five soil-forming factors have important roles in loess formation. In this regard, loess is a type soil and the previous concept of loess actually comprises various kinds of palaeosols developed in cold and arid climatic conditions. The loess-forming process is, in fact, equivalent to a pedogenic process and loess layers with different characteristics represent different pedogenic processes indicative of different environments, such as desert-steppe, steppe or forest-steppe climatic conditions. In contrast to red-brown palaeosol layers, which develop in warm and wet climates, loesses–more accurately called ‘loessial palaeosols’–are grey-yellow palaeosols and can be regarded as a reliable indicator of cold and arid climate. The model of loess formation suggests that aeolian dust transfers to grey-yellow palaeosols via pedogenesis and the characteristics of loess are mainly a result of climatic conditions and diagenesis processes after its sedimentation. This new model of loess formation also suggests that traditional pedological theory has its limitations when explaining soil formation processes.
KeywordLoess Pedogenesis Soil Types Loessial Palaeosol Palaeoclimate New Formation Model Of Loess
DOI10.1007/s12303-016-0069-y
Indexed BySCI
Project Number41210002 ; 40672108 ; 2015JM4153
Language英语
Funding OrganizationProject of Xi'an GeologicalSurvey Center of China Geological Survey(Water [2016]4) ; Project of Xi'an GeologicalSurvey Center of China Geological Survey(Water [2016]4) ; Project of National Natural Science Foundation ; Project of National Natural Science Foundation ; Project of Natural Science Foundation ofShaanxi Province ; Project of Natural Science Foundation ofShaanxi Province
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5615
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorZhao,Jingbo
Affiliation1.Department of Geography, College of Tourism and Environment Science, Shaanxi Normal University, Xi’an, Shaanxi 710062, China
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Science, Xi’an 710075, China
Recommended Citation
GB/T 7714
Zhao,JB,Luo,XQ,Ma,YD,et al. Soil characteristics and new formation model of loesson the Chinese Loess Plateau[J]. Geosciences Journal,2017,21(4):607-616.
APA Zhao,JB,Luo,XQ,Ma,YD,Shao,TJ,Yue,YL,&Zhao,Jingbo.(2017).Soil characteristics and new formation model of loesson the Chinese Loess Plateau.Geosciences Journal,21(4),607-616.
MLA Zhao,JB,et al."Soil characteristics and new formation model of loesson the Chinese Loess Plateau".Geosciences Journal 21.4(2017):607-616.
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