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Article
Open AccessUtility of brGDGTs as temperature and precipitation proxies in subtropical China
Bacterial branched glycerol dialkyl glycerol tetraethers (brGDGTs) have been successfully used as quantitative climate proxies for reconstructing annual mean air temperature (MAT) and soil pH from sediments. H...
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Article
Climatic significance of n-alkanes and their compound-specific δD values from lake surface sediments on the Southwestern Tibetan Plateau
The content and hydrogen isotope ratios of n-alkanes extracted from recent lake surface sediments sampled from nine lakes in three different climate zones on the Southwestern Tibetan Plateau were analyzed. Values...
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Article
Open AccessBranched glycerol dialkyl glycerol tetraethers and paleoenvironmental reconstruction in Zoigê peat sediments during the last 150 years
Branched glycerol dialkyl glycerol tetraethers (GDGTs) were analyzed in peat samples taken from the Zoigê grassland, located on the eastern margin of the Qinghai-Tibetan Plateau. The mean annual air temperatur...
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Article
Roles of a sustained activation of NCED3 and the synergistic regulation of ABA biosynthesis and catabolism in ABA signal production in Arabidopsis
ABA, acting as a stress signal, plays crucial roles in plant resistance to water stress. Because ABA signal production is based on ABA biosynthesis, the regulation of NCED, a key enzyme in the ABA biosynthesis...
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Article
Reconstruction of surface ocean water pCO2(aq) in Nansha area, the South China Sea during the last 30 ka
The reconstruction of pCO2 in the tropic ocean is one of the most important issues to understand global climatic changes. In this study, the high-resolution stratigraphic analysis of core 17962 was conducted, whi...
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Article
Determination of linear alkylbenzenesulfonates in modern sediments from core Zhu-9 and its significance
High performance liquid chromatography (HPLC) has the advantages of rapid analysis and high sensitivity. In the present study a suitable analytical condition has been established for HPLC, and the LAS in modem...