PostDoctoral Research Fellowship

博士后研究奖学金

• 批准号: 0817056
• 负责人: Tamara Harms
• 金额: $ 13.92万
• 依托单位: Harms Tamara K
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-05-01 至 2011-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0817056&HistoricalAwards=false
• 关键词: PostDoctoral; Research; Fellowship

Funds are awarded to this Post-doctoral Fellow to explore the reasons behind the observed inconsistency between the nutrient retention hypothesis and observations of nitrogen budgets in high latitude catchments areas. She hypothesizes that this may be due to spatial and temporal inhomogeneities in nutrient processing along flowpaths. She will conduct observations of the manner in which permafrost extent influences the sources and forms of nitrogen as well as the relative rates of reaction and transport of nitrogen as a function of permafrost depth. This will be accomplished at a series of scales ? regional, hillslope, and soil profile scales. Observations will be made of both naturally occurring tracers and introduced tracers.

这位博士后研究员被授予资金，以探索在高纬度集水区观察到的养分保留假说和氮收支观测之间不一致的原因。她假设，这可能是由于沿流动路径的营养过程在空间和时间上的不均匀所致。她将对永久冻土程度如何影响氮素的来源和形式，以及作为永久冻土深度函数的氮素反应和迁移的相对速率进行观察。这将在一系列规模上实现吗？区域、坡度和土壤剖面比例。将对自然产生的示踪剂和引进的示踪剂进行观察。