Proposal for Establishing a Mobile Gas-Exchange and Emission Research Facility at the School of the Environment, Duke University
关于在杜克大学环境学院建立移动气体交换和排放研究设施的提案
基本信息
- 批准号:9512333
- 负责人:
- 金额:$ 27.46万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1995
- 资助国家:美国
- 起止时间:1995-09-15 至 2000-02-29
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A major recent thrust in research has focused on ecosystem emission, deposition, and uptake of greenhouse and trace gases. This research is needed because predictions forecast that a doubling of carbon dioxide (CO2) will have a significant impact on ecosystem processes and productivity, and because the natural emission or deposition of gases is critical in regulating air pollution. To achieve understanding of processes in both areas, efforts are being made to evaluate the effect of alteration od ecosystems in the vicinity of industrial, urban, and agricultural areas. As a result, many scientific and government agencies have formed programs to support research on the interaction between the soil, biosphere, and atmosphere in relation to greenhouse and trace gas production, consumption, or deposition. Duke University proposes to develop a mobile laboratory that will be used for both basic and more applied research on the mechanisms of the emission and uptake of gases between the soil-biosphere and the atmosphere. The integrated laboratory will include state-of the art trace gas analyzers, water vapor and CO2 gas analyzers, ultra-sonic anemometers, leaf-level porometery, a geoprobe, time domain reflectometers, xylem heat flux systems, and a wide range of environmental monitoring devices such as net radiometers, short and long-wave radiation sensors. The data from this instrument array will be collected by a central work station within the mobile laboratory. Instruments will be housed in a research vehicle containing two movable towers and a soil probe which will permit a rapid installation of the sensors at remote sites high in tree canopies and deep in the soil regolith. The great advantage of a mobile facility is that it can support research at many experimental s ites and can be used concurrently for several projects, each of which requires periodic gas flux measurements rather than continuous monitoring. With its flexibility and enhanced capabilities, this facility will allow researchers both within the School of the Environment and throughout the research community to address key scientific questions that range across the physical, biological, and chemical sciences in new ways. It will enhance the investigation of such fundamental questions as 1) how environmental conditions (e.g., mean meteorological conditions, energy, and moisture content) control leaf- level gas diffusion, 2) how the air flow inside the forest canopy interacts with the air flow above the car,opy to disperse or deposit greenhouse and trace gases, 3) how atmospheric pressure and subsurface soil processes control gas and moisture storage and flux in a variety of ecosystems. Questions about the amount of biogenic or other trace gases emitted or consumed by ecosystems will be directly measured by the equipment requested for this facility. We believe that the mobile laboratory will have a profound impact not only on the interdisciplinary research but on teaching at Duke University's new School of the Environment. Students interested in ecology, biogeochemistry, ecotoxicology, water resources, air quality, forestry, and wetlands will benefit from the opportunities of using the new technology in research projects and coursework, analyzing data from a wide range of ecosystems, and acquiring experience in multidisciplinary field experiments. These students include undergraduate environmental science majors, young graduate-level environmental management students, mid-career professionals in Duke's continuing education program, and future Ph.D researchers. Finally, we expect that the laboratory will attract further funding from DOE and EPA and open new sources for funding from private industry research interests, the Forest Service, the Agriculture Research Service of the United States Department of Agriculture (USDA), and the National Science Foundation (NSF).
最近的一个主要研究重点是生态系统的排放、沉积和 温室气体和微量气体的吸收。这项研究是必要的,因为预测预测, 二氧化碳(CO2)的加倍将对生态系统进程产生重大影响, 生产力,因为天然排放或沉积的气体是至关重要的,在调节空气 污染为了了解这两个领域的进程,正在努力 评估工业、城市和农业附近生态系统改变的影响 地区因此,许多科学和政府机构已经制定了计划, 研究土壤、生物圈和大气之间的相互作用与温室的关系 以及痕量气体的产生、消耗或沉积。 杜克大学提议开发一个移动的实验室,用于基础研究和 更多地应用研究大气层之间气体的排放和吸收机制, 土壤生物圈和大气层。综合实验室将包括最先进的跟踪 气体分析仪、水蒸气和CO2气体分析仪、超声波风速计、叶片水平仪 孔隙度测量仪、地质探测仪、时域反射仪、木质部热通量系统,以及广泛的 净辐射计、短波和长波辐射等环境监测装置 传感器.来自该仪器阵列的数据将由内部的中央工作站收集。 移动的实验室。仪器将被安置在一个研究车辆,其中包含两个可移动的 塔和土壤探头,这将允许在偏远地区的传感器快速安装高 在树冠和土壤风化层深处。移动的设施的最大优点是, 它可以支持在许多实验地点进行的研究,并可以同时用于多个实验地点。 每个项目都需要定期测量气体流量,而不是连续测量。 监测. 凭借其灵活性和增强的功能,该设施将使研究人员 在环境学院和整个研究界,以解决关键 科学问题,范围横跨物理,生物和化学科学在新的 的方式它将加强对以下基本问题的调查:1)环境如何 条件(例如,平均气象条件、能量和水分含量)控制叶- 水平气体扩散; 2)林冠内气流与上方气流的相互作用 汽车,opy分散或存款温室气体和微量气体,3)如何大气压力和 地下土壤过程控制着各种生态系统中气体和水分的储存和流动。 关于生态系统排放或消耗的生物源气体或其他痕量气体数量的问题 将由该设施所需的设备直接测量。 我们相信,移动的实验室不仅将对 跨学科研究,但在杜克大学的新环境学院的教学。 对生态学、地球化学、生态毒理学、水资源、空气质量感兴趣的学生, 森林和湿地将受益于使用新技术的机会, 研究项目和课程,分析来自广泛的生态系统的数据, 获得多学科实地实验的经验。这些学生包括 本科环境科学专业,年轻的研究生层次的环境管理 学生、杜克继续教育项目中的职业中期专业人员以及未来的博士 研究人员 最后,我们预计实验室将吸引能源部的进一步资助, 环保署和开放的新来源,从私营行业的研究利益,森林 美国农业部农业研究服务处 (USDA)和美国国家科学基金会(NSF)。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Norman Christensen, Jr.其他文献
Norman Christensen, Jr.的其他文献
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{{ truncateString('Norman Christensen, Jr.', 18)}}的其他基金
Environmental Science and Policy: An Introductory Sequence
环境科学与政策:介绍序列
- 批准号:
9156089 - 财政年份:1992
- 资助金额:
$ 27.46万 - 项目类别:
Continuing Grant
Continuation of Phytotron Operations
Phytotron 运营的继续
- 批准号:
9112571 - 财政年份:1992
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
Dissertation Research: Ecology and Evolution of Aquatic Sphagna: Functional Morphology, Physiology and Phylogeny
论文研究:水生泥炭藓的生态学和进化:功能形态学、生理学和系统发育学
- 批准号:
9122851 - 财政年份:1992
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
Collaborative Research: Long-term Studies of Forest Dynamics: Analysis of Seedling and Sapling Populations
合作研究:森林动态的长期研究:幼苗和幼树种群分析
- 批准号:
9108564 - 财政年份:1991
- 资助金额:
$ 27.46万 - 项目类别:
Continuing Grant
Workshop on Landscape History and Ecological Succession; January 28-31, 1988; Durham, NC
景观历史和生态演替研讨会;
- 批准号:
8703896 - 财政年份:1987
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
Dissertation Research: The Effect of Variation in Season of Burning on a Pine-wiregrass Savanna in the Green Swamp, North Carolina
论文研究:燃烧季节变化对北卡罗来纳州绿色沼泽松线草稀树草原的影响
- 批准号:
8601077 - 财政年份:1986
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
Collaborative Research: Secondary Forest Succession: Analysis of Convergence
合作研究:次生林演替:收敛分析
- 批准号:
8407697 - 财政年份:1985
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
Collaborative Research on Secondary Forest Succession on TheNorth Carolina Piedmont
北卡罗来纳州山前次生林演替合作研究
- 批准号:
8102929 - 财政年份:1981
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
Collaborative Research on Secondary Forest Succession on TheNorth Carolina Piedmont
北卡罗来纳州山前次生林演替合作研究
- 批准号:
7804041 - 财政年份:1978
- 资助金额:
$ 27.46万 - 项目类别:
Continuing Grant
Collaborative Research on Secondary Forest Succession on TheNorth Carolina Piedmont
北卡罗来纳州山前次生林演替合作研究
- 批准号:
7707532 - 财政年份:1977
- 资助金额:
$ 27.46万 - 项目类别:
Standard Grant
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