Soil characteristics and new formation model of loesson the Chinese Loess Plateau | |
Zhao,JB(Zhao,Jingbo)1,2; Luo,XQ(Luo,Xiaoqing)2; Ma,YD(Ma,Yandong)2; Shao,TJ(Shao,Tianjie)2; Yue,YL(Yue,Yingli)2; Zhao,Jingbo | |
刊名 | Geosciences Journal |
2017-08 | |
卷号 | 21期号:4页码:607-616 |
关键词 | Loess Pedogenesis Soil Types Loessial Palaeosol Palaeoclimate New Formation Model Of Loess |
DOI | 10.1007/s12303-016-0069-y |
文献子类 | 期刊论文 |
英文摘要 | In 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. |
项目编号 | 41210002 ; 40672108 ; 2015JM4153 |
语种 | 英语 |
资助机构 | Project 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 |
内容类型 | 期刊论文 |
源URL | [http://ir.ieecas.cn/handle/361006/5615] |
专题 | 地球环境研究所_黄土与第四纪地质国家重点实验室(2010~) |
通讯作者 | Zhao,Jingbo |
作者单位 | 1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Science, Xi’an 710075, China 2.Department of Geography, College of Tourism and Environment Science, Shaanxi Normal University, Xi’an, Shaanxi 710062, China |
推荐引用方式 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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