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Iron Age landscape changes in the Benoue River Valley, Cameroon 期刊论文
QUATERNARY RESEARCH, 2019, 卷号: 92, 期号: 2, 页码: 323-339
作者:  Wright, David K.;  MacEachern, Scott;  Ambrose, Stanley H.;  Choi, Jungyu;  Choi, Jeong-Heon;  Lang, Carol;  Wang, Hong
收藏  |  浏览/下载:377/0  |  提交时间:2020/06/05
Holocene  Savanna  West Africa  Agriculture  Anthropogenic soils  Niche construction  Soil carbon  Nitrogen isotopes  
Using a nitrogen and oxygen isotopic approach to identify nitrate sources and cycling in the Wei River of northwestern China 期刊论文
HUMAN AND ECOLOGICAL RISK ASSESSMENT, 2019, 卷号: 25, 期号: 3, 页码: 755-771
作者:  Hu, Jing;  Liu, Weiguo;  Xing, Meng;  Li, Yuliang
收藏  |  浏览/下载:364/0  |  提交时间:2020/06/05
nitrogen isotopes  oxygen isotopes  nitrate  tracing nitrogen sources  Wei River  
Different responses of sedimentary delta N-15 to climatic changes and anthropogenic impacts in lakes across the Eastern margin of the Tibetan Plateau 期刊论文
JOURNAL OF ASIAN EARTH SCIENCES, 2016, 卷号: 123, 期号: 2016, 页码: 111-118
作者:  Xu, Hai;  Yu, Keke;  Lan, Jianghu;  Sheng, Enguo;  Liu, Bin;  Ye, Yuanda;  Hong, Bin;  Wu, Huixian;  Zhou, Kangen;  Yeager, Kevin M.
Adobe PDF(753Kb)  |  收藏  |  浏览/下载:297/0  |  提交时间:2018/10/26
Nitrogen Isotopes  Tibetan Plateau  Lacustrine Primary Productivity (Lpp)  Atmospheric Nitrogen Deposition  Lake Sediment  
Evaluation on nitrogen isotopes analysis in high-C/N-ratio plants using elemental analyzer/isotope ratio mass spectrometry 期刊论文
NUCLEAR SCIENCE AND TECHNIQUES, 2014, 卷号: 25, 期号: 2, 页码: 20303
作者:  Hu, J (Hu Jing)[ 1 ];  Liu, WG (Liu Wei-Guo)[ 1,2 ]
Adobe PDF(4116Kb)  |  收藏  |  浏览/下载:203/0  |  提交时间:2018/11/23
Nitrogen Isotopes  Cupric Oxide  O2 Flow Of Ea/irms  High-c/n-ratio Plants  Ea/irms