Collaborative Proposal: WCR - Hydrologic Regulation of Dissolved Organic Matter Biogeochemistry from Forests through River Networks

合作提案：WCR - 通过河流网络对森林溶解有机物生物地球化学进行水文调节

• 批准号: 0852598
• 负责人: George Hornberger
• 金额: $ 6.41万
• 依托单位: Vanderbilt University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-09-01 至 2010-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0852598&HistoricalAwards=false
• 关键词: Collaborative; Proposal; WCR; Hydrologic; Regulation

Proposal ID: 0450264PI/Institute: Hornberger/University of VirginiaCollaborative Proposal: Hydrologic Regulation of Dissolved Organic Matter Biogeochemistry from Forests through River NetworksLouis A. Kaplan, Anthony K., Aufdenkampe, Charles L. Dow, J. Denis Newbold, and George M. HornbergerEach year, massive amounts of organic carbon, in the form of dissolved molecules, are transported to the oceans of the world by rivers. The source of most of that carbon is the upper layer of soils within small watersheds, and the movement of water through soils controls organic carbon delivery from the landscape to streams. Standing on the streambank, the investigators look both upslope and downstream, focusing on the interactions of water movement and organic carbon supply, investigating processes within the hillslope soils, individual stream reaches, and the entire river network. This proposal will integrate dynamic mathematical models that describe organic carbon movement, transformation, quantity and quality in terrestrial and aquatic environments and will generate the first model that links the water cycle and the carbon cycle of river catchments. The research will have important outcomes for the management of drinking water resources, where watersheds are recognized as the first stage of treatment. Additionally, an increased understanding of the dynamics of organic molecules in water will provide valuable information about the fate and transport of potentially harmful anthropogenic compounds that stick to and are transported with those naturally occurring molecules. Lastly, in developing an understanding of the cumulative role of small streams in the carbon cycle of large rivers, the researchers will contribute information concerning the value of headwater streams to society.

提案ID：0450264PI/Institute：Hornberger/Virginiacollaborativative建议：对溶解有机物生物地球化学的水文调节，通过森林到森林通过河流网络A. Kaplan，Anthony K.溶解的分子被河流运到世界海洋。 该碳的大部分是小流域内土壤的上层，水通过土壤的运动控制着有机碳从景观到溪流的传递。 研究人员站在溪流银行上，既上坡又下游，重点是水运动和有机碳供应的相互作用，调查山坡土壤中的过程，单个溪流到达，以及整个河流网络。该提案将整合动态数学模型，以描述陆地和水生环境中有机碳运动，转换，数量和质量，并生成第一个将水循环和河流流域碳循环联系起来的模型。这项研究将在管理饮用水资源的管理方面取得重要的结果，在那里，水域被认为是治疗的第一阶段。此外，对水中有机分子的动力学的了解增加了，将提供有关潜在有害的人为化合物的命运和运输的宝贵信息，这些化合物粘附并与天然存在的分子一起运输并运输。最后，在了解小流在大河碳循环中的累积作用的理解时，研究人员将贡献有关源水流价值对社会的价值的信息。