globalchange  > 过去全球变化的重建
DOI: 10.1007/s11629-019-5446-3
WOS记录号: WOS:000474574600006
论文题名:
Paleopedology and magnetic properties of Sari loess-paleosol sequence in Caspian lowland, northern Iran
作者: Najafi, Hamed1; Karimi, Alireza1; Haghnia, Gholam Hosain1; Khormali, Farhad2; Ayoubi, Shamsollah3; Tazikeh, Hossein2
通讯作者: Karimi, Alireza
刊名: JOURNAL OF MOUNTAIN SCIENCE
ISSN: 1672-6316
EISSN: 1993-0321
出版年: 2019
卷: 16, 期:7, 页码:1559-1570
语种: 英语
英文关键词: Iranian loess plateau ; Magnetic susceptibility ; Climate change ; Paleopedology
WOS关键词: CLIMATIC INTERPRETATION ; SUSCEPTIBILITY ; SOILS ; CHRONOLOGY ; POLLUTION
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

The objective of this study was to characterize the morphological and magnetic properties of Sari loess-paleosol section in northern Iran for paleopedologic and paleoenvironmental interpretation. The section consisted of a modern soil (MS) and three paleosols (PS1, PS2, PS3) separated by loess layers (LS1, LS2 and LS3). Based on particle size distribution, clay mineralogy, carbonates distribution and size of secondary carbonates, pedogenic development of the soils was in order of PS3>PS2>PS1=MS. Presence of redoximorphic features in PS3 was attributed to alternate stagnic saturation due to local water or high precipitation. Dominance of smectite and vermiculite as well as large carbonated dolls in PS3 indicated suitable environment and sufficient time for pedogenic development. Magnetic properties (chi lf and chi fd%) were distinctly higher in MS, PS1 and PS2 when compared to loess layers. The Lowest magnetic properties values were observed in PS3 which can be the result of ferrimagnetic minerals destruction under hydromorphic conditions. The highest Fed content occurred in PS3, however, low chi lf/Fe-d ratio indicated that majority of the iron minerals in PS3 are not magnetic. In conclusion, the particle size distribution, clay mineralogy and carbonates features were indicative of pedogenesis intensity, whereas, magnetic properties were useful to characterize the pedogenic environment.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/141475
Appears in Collections:过去全球变化的重建

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作者单位: 1.Ferdowsi Univ Mashhad, Dept Soil Sci, Fac Agr, Mashhad 9177948974, Razavi Khorasan, Iran
2.Gorgan Univ Agr Sci & Nat Resources, Dept Soil Sci, Gorgan 4913815739, Golestan, Iran
3.Isfahan Univ Technol, Dept Soil Sci, Coll Agr, Esfahan 8415683111, Iran

Recommended Citation:
Najafi, Hamed,Karimi, Alireza,Haghnia, Gholam Hosain,et al. Paleopedology and magnetic properties of Sari loess-paleosol sequence in Caspian lowland, northern Iran[J]. JOURNAL OF MOUNTAIN SCIENCE,2019-01-01,16(7):1559-1570
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