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Chinese Academy of Sciences Institutional Repositories Grid
Properties of soils in Grove Mountains, East Antarctica

文献类型:期刊论文

作者Li, XL; Liu, XH; Ju, YT; Huang, FX
刊名SCIENCE IN CHINA SERIES D-EARTH SCIENCES
出版日期2003-07-01
卷号46期号:7页码:683-693
关键词the Grove Mountains cold desert soil desert pavement soluble salt Fe-d
ISSN号1006-9313
文献子类Article
英文摘要Three cold desert soil sites were first found in the southern Mount Harding, Grove Mountains, East Antarctica. The soils are characteristics of the widespread occurrence of surface desert pavement, abundant water-soluble salts, strongly stained upper portion of soil profile, slightly acid and negligible organic matter content. A 1:5 soil-water extracts analysis indicates that the dominant cations are Mg2+ and Na+, followed by Ca2+ and K+, and the main anion is SO42-, then 4 Cl- and NO3-. The accumulation of water-soluble salts indicates ion transportation in the frigid and arid Antarctica environment. The distribution of the salts is related to the maximum content of moisture and clay mineral. Clay fraction migration occurs in the soils, which is different from that of other cold desert soils. The upper horizons of some profiles are generally stained, namely rubification, primarily because of the weathering of iron-bearing minerals. The reddish hues of cold desert soils have been attributed to relatively high concentrations of dithionite-extractable Fe (Fe-d). The weathering features of soils suggest that the soil age of this area is 0.5-3.5 Ma. No remnants of glaciations were found on the soil sites of Mount Harding, which suggests that the Antarctic glaciations have not reached the soil sites since at least 0.5 Ma, even during the Last Glacial Maximum.
WOS关键词REGION ; ORIGIN ; SALTS
WOS研究方向Geology
语种英语
WOS记录号WOS:000183283600005
出版者SCIENCE CHINA PRESS
源URL[http://ir.iggcas.ac.cn/handle/132A11/78871]  
专题中国科学院地质与地球物理研究所
通讯作者Li, XL
作者单位Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Li, XL,Liu, XH,Ju, YT,et al. Properties of soils in Grove Mountains, East Antarctica[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2003,46(7):683-693.
APA Li, XL,Liu, XH,Ju, YT,&Huang, FX.(2003).Properties of soils in Grove Mountains, East Antarctica.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,46(7),683-693.
MLA Li, XL,et al."Properties of soils in Grove Mountains, East Antarctica".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 46.7(2003):683-693.

入库方式: OAI收割

来源:地质与地球物理研究所

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