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Lake Qinghai sediment geochemistry linked to hydroclimate variability since the last glacial

Jin, Zhangdong; An, Zhisheng; Yu, Jimin; Li, Fuchun; Zhang, Fei


Geochemistry of basin sediments from semi-arid regions is valuable to understand past hydroclimatic changes. Here, we investigate the links of sedimentary geochemistry (Rb, Sr, Ca/Zr, TOC, and %CaCO3), carbonate mineralogy and ostracod shell d18O of Lake Qinghai, a basin proximal to major dust production centers at mid-latitudes of the Northern Hemisphere, to changes in depositional conditions and hydroclimate during the past 32 ka. Surface lacustrine sediments are characterized by low-Rb,...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Quaternary Science Reviews
DOI: 10.1016/j.quascirev.2015.05.015


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