ATMOSPHERIC DUST LOADS AND SPATIAL DIFFERENCE IN NORTH CHINA SINCE LATE PLEISTOCENE: RECORDS FROM TYPICAL SECTIONS

ZHAO Jinhui; HE Chao; ZHAO Liya; LU Huayu

doi:10.16562/j.cnki.0256-1492.2016.02.017

2016 Vol. 36, No. 2

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Article navigation > Marine Geology & Quaternary Geology > 2016 > 36(2): 153-160

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ZHAO Jinhui, HE Chao, ZHAO Liya, LU Huayu. ATMOSPHERIC DUST LOADS AND SPATIAL DIFFERENCE IN NORTH CHINA SINCE LATE PLEISTOCENE: RECORDS FROM TYPICAL SECTIONS[J]. Marine Geology & Quaternary Geology, 2016, 36(2): 153-160. doi: 10.16562/j.cnki.0256-1492.2016.02.017

Citation:

ZHAO Jinhui, HE Chao, ZHAO Liya, LU Huayu. ATMOSPHERIC DUST LOADS AND SPATIAL DIFFERENCE IN NORTH CHINA SINCE LATE PLEISTOCENE: RECORDS FROM TYPICAL SECTIONS[J]. Marine Geology & Quaternary Geology, 2016, 36(2): 153-160. doi: 10.16562/j.cnki.0256-1492.2016.02.017

ATMOSPHERIC DUST LOADS AND SPATIAL DIFFERENCE IN NORTH CHINA SINCE LATE PLEISTOCENE: RECORDS FROM TYPICAL SECTIONS

1. Hubei University College of resources and Environmental Engineering, Wuhan 430062;
2. Geographic and Oceanographic Sciences Nanjing University, Nanjing 210093

Received Date: 13 September 2015

Revised Date: 15 November 2015

Abstract

Abstract

Four loess sections of Talede、Panzishan、Yanchang and Kulungou have been selected as typical sections to recover the ancient dust load quantity and their temporal and spatial distributions in this paper. Magnetic susceptibility curve, particle content curve, load curve and δ18O(‰) content curve are used as paleoclimate proxies for study of ancient dust load quantity. The results show that the amount of dust load is higher in glacial stage than that in interglacial stages(A difference may be as high as 1.34-4.34 times),and changes in dust load is characterized by high-frequency fluctuation in the glacial. With regard to the spatial distribution, dust load decreases from the west to the east. The distribution of dust load could be used as a proxy for environmental and climatic reconstruction.
- ancient dust settlement /
- load curve /
- paleo-atmospheric circulations /
- late Pleistocene /
- arid and semiarid areas in Northern China

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References

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