supported by the National Natural Science Foundation of China (Grant Nos. 40673012, 40599422, 40523002);the National Key Funds of China (No. 2004CB720200);the Foundation for Excellent Doctoral Dissertation Awards of the People's Republic of China
Ratios of stable nitrogen isotopes in organic matter derived from plants and preserved in soil are potential tracers for nitrogen cycles in natural ecosystems and valuable for evaluation of climate change. However, th...
the Key Innovation Project of the Chinese Academy of Sciences (Grant No. KZCX2-YW-118);the National Natural Science Foundation of China (Grant Nos: 40531003, 40121303, 40523002);State Key Laboratory of Loess and Qua-ternary Geology in the Institute of Earth Environment of Chinese Academy of Sci-ences (Grant No. SKLLQG0712)
A simple model for reconstructing the paleomagnetic field intensity with (10)~Be production rate was used for the first time in Loess (10)~Be studies of Luochuan profile. Using the LGM (Last Glacial Maxmium) method, t...