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Chapter and Conference Paper
Intelligent Defense Policy for Web Security Defense on Account of Semantic Analysis
Software security service technology has been developed rapidly in recent years. It uses computer algorithms to analyze massive data and provide decision suggestions and information for users. Software securit...
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Article
Open AccessMagnetic response of Arsenic pollution in a slag covered soil profile close to an abandoned tungsten mine, southern China
Previous studies indicated serious soil arsenic (As) pollution of large spatial extent related to tungsten mining. We performed systematic analyses of magnetic parameters and As contents of a slag covered soil...
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Article
Hominin occupation of the Chinese Loess Plateau since about 2.1 million years ago
Considerable attention has been paid to dating the earliest appearance of hominins outside Africa. The earliest skeletal and artefactual evidence for the genus Homo in Asia currently comes from Dmanisi, Georgia, ...
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Article
Open AccessA sedimentary paleomagnetic record of the upper Jaramillo transition from the Lantian Basin in China
The termination of the Jaramillo (normal to reverse) subchron is a key chronostratigraphic marker for dating global Pleistocene sedimentary sequences. However, the stratigraphic position of the geomagnetic pol...
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Article
Magnetic characteristics and its environmental implications of core YSJD-86GC sediments from the southern South China Sea
Sediments of core YSJD-86GC (referred to as 86GC) collected from the southern South China Sea were selected for environmental magnetic studies. Combined with the published chronological framework, sediment mag...
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Article
Open AccessA rock magnetic record of Asian cooling and aridification processes during 1.95-0.40 Ma in the southeastern Chinese Loess Plateau
The southeastern Chinese Loess Plateau is the terminal deposition area of dusts transported by the East Asian winter monsoon and the frontal area penetrated by the East Asian summer monsoon, and thus a climate...
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Article
Magnetic mineralogy and its implication of contemporary coastal sediments from South China
Magnetic parameters have been widely used as a rapid, cost-effective, and non-destructive method. To assess whether their magnetic properties reflect the development history in the Pearl River Delta, three sed...
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Article
Compound-specific hydrogen isotopes of long-chain n-alkanes extracted from topsoil under a grassland ecosystem in northern China
To investigate characteristics of H isotope variation in long-chain n-alkanes (δD n-alkanes) from higher plants in surface soils under a single ecosystem, 12 samples from a basalt regol...
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Article
Geochemical changes of the terrigenous sediments in the southern South China Sea and their paleoenvironmental implications during the last 31 ky
Fifty-six subsamples of the 86GC core were collected from the southern South China Sea continental slope. Major and trace elements, including rare earth elements (REEs), of detrital matters in these sediments ...
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Article
Open AccessIs the maximum carbon number of long-chain n-alkanes an indicator of grassland or forest? Evidence from surface soils and modern plants
The molecular distribution of long-chain n-alkanes in 62 soil samples collected from diverse locations across eastern China was analyzed. The long-chain n-alkanes were mostly dominated by n-C29 or n-C31, regardle...
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Article
Mid-Late Quaternary loess-paleosol sequence in Lantian’s Yushan, China: An environmental magnetism approach and its paleoclimatic significance
The application of rock magnetism methods to investigating the variations of magnetic minerals in the sediments is an important approach to the reestablishment of paleoclimate evolution. Thus we performed fine...
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Article
Relationship between climatic conditions and the relative abundance of modern C3 and C4 plants in three regions around the North Pacific
Using −24‰ and −14‰ as the endpoints of stable carbon isotopic composition of total organic carbon (δ 13CTOC) of surface soil under pure C3 and C4 vegetation, and surface soil δ ...
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Article
Trace element geochemistry in topsoil from East China
The concentrations of 23 trace elements in 50 topsoil samples collected from sites ranging between 18°19′N and 49°13′N in East China were analyzed. Sc, Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Ga, and Ta have mean conte...
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Article
CPI values of terrestrial higher plant-derived long-chain n-alkanes: a potential paleoclimatic proxy
Carbon Preference Index (CPI values) of higher plant-derived long-chain n-alkanes extracted from 62 surface soil samples in eastern China exhibited a specific pattern of variations, namely gradual increase with t...
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Article
Comparison of the carbon isotope composition of total organic carbon and long-chain n-alkanes from surface soils in eastern China and their significance
Surface soil samples collected over a high spatial resolution in eastern China were analyzed for carbon isotope composition (δ 13C) of total organic carbon (TOC) and higher plant-derived l...
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Article
A new assessment method for urbanization environmental impact: urban environment entropy model and its application
The thermodynamic law is one of the most widely used scientific principles. The comparability between the environmental impact of urbanization and the thermodynamic entropy was systematically analyzed. Consequ...
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Article
Concentrations of rare earth elements in topsoil from East China
Fifty topsoil samples collected from 12 different regions of East China have been analyzed for rare earth elements (REEs). The average REE concentrations of the 50 topsoil samples are much higher than world av...
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Article
Geochemistry and biogeochemistry of rare earth elements in a surface environment (soil and plant) in South China
Plants and soils derived from different kinds of parent materials in South China were collected for analyses of rare earth elements (REEs) by inductively coupled plasma-mass spectrometry (ICP-MS). The distribu...
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Article
Rock magnetic properties and palaeomagnetic results of sediments from a stone implement layer in the Bose Basin, Guangxi
Directional samples were taken to study rock magnetism and palaeomagnetic records from the Dongsheng profile, which is 5 m thick and on the northwest edge of the Bose Basin. Mineralogy and rock magnetism of ty...
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Article
Different climatic controls of soil δ 13Corg in three mid-latitude regions of the Northern Hemisphere since the Last Glacial period
Paleoecological records of soil δ 13Corg from three regions in the middle latitudes of the Northern Hemisphere, including the Chinese Loess Plateau (CLP), the Great Plains and adjacent are...
