Collaborative Research: The Response of the Terrestrial Carbon Cycle to Climate Change since LGM as Recorded in Bengal Fan Sediments
Collaborative Research: The Response of the Terrestrial Carbon Cycle to Climate Change since LGM as Recorded in Bengal Fan Sediments
批准号:
1333387
负责人:
Valier Galy
金额:
$29.39万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2013
资助国家:
美国
项目状态:
已结题
起止时间:
2013-08-01 至 2016-07-31
中文摘要
PIS计划确定自上一次冰盛期以来,气候变化对恒河-雅鲁藏布江/孟加拉扇系统陆地有机碳(OC)动态的影响。将利用沉积物组成和输送的无机替代物以及稳定同位素/放射性碳测量对孟加拉扇区的沉积物和有机碳埋葬进行亚千年分辨率记录。这些记录将能够重建季风强度、古植被和有机碳停留时间的变化,从而深入了解气候变化、地貌响应、维管植物生物标志物和孟加拉扇区陆地有机碳动态之间的关系。这项拟议的工作将支持两名职业生涯早期的科学家,并将培训两名来自未被充分代表的少数群体的本科生。该项目将通过与瑞士和德国研究人员的数据共享和综合努力,加强国际合作关系。
英文摘要
The PIs plan to establish the effects of climate change on terrestrial organic carbon (OC) dynamics in the Ganges-Brahmaputra/Bengal Fan system since the Last Glacial Maximum. Sub-millennial resolution records of sediment and OC burial in the Bengal Fan will be developed using inorganic proxies of sediment composition and delivery and paired stable isotope/radiocarbon measurements. These records will enable reconstructions of variations in monsoon strength, paleo-vegetation, and OC residence time, providing insight into the relationships between climate change, geomorphic response, vascular plant biomarkers, and terrestrial OC dynamics in the Bengal Fan. The proposed work will support two early-career scientists, and will train two undergraduate students from underrepresented minority groups. The project will strengthen international collaborative ties through data sharing and synthesis efforts with Swiss and German researchers.
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