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Thiessen polygon analysis and spatial pattern evolution
2019-11-20 09:26
The Thiessen polygon concept was applied to analyze how Neolithic sites were gathered and the features of agriculture, living environment and transportation in the Huaibei Plain, Anhui Province, East China, in the Shishanzi cultural period (8.0–6.5 ka BP), Dawenkou cultural period (6.5–4.5 ka BP) ...
2885 次阅读|没有评论
Holocene fire in relation to environmental change and human
2019-11-20 09:23
Through analysis of the concentration of different-sized charcoals and magnetic susceptibility of the CH-1 core from Chaohu Lake, East China during the Holocene, the features of fire in relation to environmental change in the charcoal record and the effect of human activities were revealed. Between ...
2834 次阅读|没有评论
Remote sensing and GIS for reconstructing urban changes
2019-11-20 09:15
This study has applied both literature and archaeological data to perform a visual interpretation of the SPOT-5 data and draw the interpreted images of Yangzhou City, which was constructed during the Spring and Autumn Period (i.e. 486BC), at different points in history based on GIS. The rules and r ...
2772 次阅读|没有评论
FTIR spectral characteristics of Fe-Mn nodules
2019-11-20 09:08
The Fourier Transform Infrared (FTIR) spectroscopy technique was applied to test Fe-Mn nodules and Fe-Mn cutans derived from two typical profiles of Quaternary red clay in Xuancheng, Anhui Province, China. The FTIR spectra and absorption peak characteristics of Fe-Mn nodules and Fe-Mn cutans were a ...
2878 次阅读|没有评论
Sedimentary environment recorded by microfossils
2019-11-20 09:04
Sediment samples were extracted from the 175–215 cm subsurface strata in a stratigraphic section of the Taozhuang Neolithic site in Xinghua, northern Jiangsu Province, China for quantitative analysis of foraminifera, ostracoda, and other microfossils. The results revealed the following. (1) The fo ...
2785 次阅读|没有评论
庐山森林土壤碳氮硫含量变化特征及影响因素
2019-11-20 09:00
为探究庐山森林土壤中N、C、S元素迁移转化的规律,本文在野外观察的基础上,选取了6个受人类活动 干扰较小的采样点进行样品采集,并对其元素含量进行了测定与分析,结果表明:1) 庐山森林土壤中 TN、TC、TS含量分别为0.03%~0.48%、0.18%~7.00%、0.02%~0.13%,TN、TC值变化幅度大,TS 值变化幅度小;2) 除RZF采样点外, ...
3306 次阅读|没有评论
巢湖北岸唐咀地层年代学及沉积物粒度特征研究
2018-10-27 20:57
巢湖北岸唐咀地层年代学及沉积物粒度特征研究 求真寻路2017.pdf 通过采集巢湖北岸唐咀的两处湖滨沉积物剖面,并对它们进行AMS14C年代测定和粒度分析,探讨了地层形成的年代、沉积物粒度特征及其反映的沉积环境变化。结果表明,唐咀剖面沉积物粒度组成以粉砂(4~64 μm)为主,黏土(4 μm)次之,砂(64 ...
3453 次阅读|没有评论
水库建设对下游LUCC及景观格局的影响
2018-10-27 20:53
魏明华.pdf
2796 次阅读|没有评论
巢湖东部第四纪红土微量元素地球化学特征及物源初探
2018-10-27 20:52
巢湖东部第四纪红土微量元素地球化学特征及物源初探.pdf
2273 次阅读|没有评论
Spatial-temporal variations of natural disasters during the
2018-10-27 20:49
Spatial-temporal variations of natural disasters during the Ming Qing Dynasties (1368e1912AD) in Chaohu Lake Basin, East China 1-s2.0-S1040618217313940-main.pdf The Ming Qing Dynasties experienced the Little Ice Age (LIA), a most abnormal climate event in nearly 2000 years’ of C ...
2340 次阅读|没有评论

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