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The presence and formation of hydroxy-interlayered minerals in the Holocene paleosol at the Wugong profile on the southernmost Chinese Loess Plateau were investigated by examining the <1μm and 1–2μm clay fractions of the 50–150cm horizon by Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). Prior to the analyses free Al and Fe phases were removed by dithionite-citric-bicarbonate...
The most prominent paleosol unit in the Chinese Loess Plateau (CLP) is the fifth paleosol complex (S 5 ) with its well-developed very thick and dark colored pedons. To provide more insight in the formation of S 5 and its environmental significance, the pedogenesis and clay mineral transformation in the S 5 of the Wugong section (Shaanxi Province) on the southernmost CLP are...
The soil carbon reservoir is the largest carbon reservoir in terrestrial ecosystems and consists of soil organic and inorganic carbon stocks. Previous studies have mainly focused on the soil organic carbon (SOC) stock, and limited information is available about the soil inorganic carbon (SIC) stock. The Chinese Loess Plateau (CLP), which is located in the arid and semi-arid region of China, is an...
Clay minerals in soils reflect successive stages of mineralogical evolution, which depend on the environmental conditions that have prevailed during pedogenesis. The objective of this research was to document the mineralogy of the clay fractions (<2μm) of three Holocene loess–paleosol sections on the Chinese Loess Plateau (CLP) and to deduce the climatic and pedogenetic differences at the three...
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