| 项目编号: | 1557028
|
| 项目名称: | Collaborative Research: Continuous Metabolism and Nutrient Uptake Across the River Continuum |
| 作者: | Matthew Cohen
|
| 承担单位: | University of Florida
|
| 批准年: | 2016
|
| 开始日期: | 2016-08-01
|
| 结束日期: | 2019-07-31
|
| 资助金额: | 475565
|
| 资助来源: | US-NSF
|
| 项目类别: | Standard Grant
|
| 国家: | US
|
| 语种: | 英语
|
| 特色学科分类: | Biological Sciences - Environmental Biology
|
| 英文关键词: | river
; river continuum
; river function
; river network
; nutrient
; river system process carbon
; river research
; river ecosystem science
; river site
|
| 英文摘要: | Rivers are the major pathways connecting the land to the sea, conveying water, sediments and nutrients. As water flows through river networks, the materials it carries are transported, stored, processed, and released in response to changing physical, chemical and biological characteristics. The goal of this project is to better understand how river systems process carbon, retain nutrients, influence ecosystem health globally, and ultimately support healthy ecosystems, both in the rivers and the water bodies into which they drain. One of the concepts upon which river ecosystem science is founded is that rivers change their characteristics and processing rates with size and/or distance downstream. This idea, called the River Continuum Concept (RCC), has helped organize decades of river research and management. However, while the RCC has been a useful conceptual model, it remains relatively poorly tested, which seriously limits the ability of scientists to predict how river functions will respond to ongoing and future changes on Earth. This work seeks to fill that important knowledge gap about how rivers function, and thus has implications for how humans manage land and water resources.
One constraint to providing information about river function along the river continuum has been technological; we simply have not had the tools to measure these functions along river networks. A second constraint has been that the simple conceptual model of the RCC neglects key features of rivers, specifically that they are frequently impacted by discontinuities like dams and lakes, tributary confluences, and geologic divides. This project alleviates both constraints by coupling state-of-the-art water quality sensor technologies to new sampling methods in carefully selected river sites. Together, these advances are expected to provide new insights about the river continuum, the role of discontinuities in changing river functions, and ultimately about how to best manage and protect aquatic resources. |
| 资源类型: | 项目
|
| 标识符: | http://119.78.100.158/handle/2HF3EXSE/91540
|
| Appears in Collections: | 全球变化的国际研究计划
科学计划与规划
|
|
There are no files associated with this item.
|
| Recommended Citation: | |
Matthew Cohen. Collaborative Research: Continuous Metabolism and Nutrient Uptake Across the River Continuum. 2016-01-01.
|
|
|