Dissertation Research: Carbon Sequestration in a Subalpine Forest and Its Control by Winter and Summer Precipitation Dynamics
Dissertation Research: Carbon Sequestration in a Subalpine Forest and Its Control by Winter and Summer Precipitation Dynamics
批准号:
0709252
负责人:
Russell Monson
金额:
$1.1万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2007
资助国家:
美国
项目状态:
已结题
起止时间:
2007-06-01 至 2009-05-31
中文摘要
本研究的重点是了解两个重要的生物地球化学循环:碳循环和水循环之间的耦合。在被假设为美国西部主要碳汇的亚高山森林生态系统中,树木生长和土壤微生物活性受到水分有效性的高度控制。该项目旨在了解不同降水类型(冬雪和夏雨)如何影响该生态系统的碳吸收。通过分析最近固定的糖的碳同位素比率,将计算全年树木水分利用效率(WUE)的测量值。然后将开发一个模型,通过测量水分利用效率和蒸腾来计算碳同化。为了研究降水类型对森林碳吸收的影响,将利用氧和氢同位素追踪树木利用的水源,并将优势水源与森林碳增益相关。
英文摘要
The focus of this research is to understand the coupling between two important biogeochemical cycles: the carbon and water cycle. In the subalpine forest ecosystem, which has been hypothesized as a major carbon sink in the Western U.S., tree growth and soil microorganism activity are highly controlled by the availability of moisture. This project aims to understand how different precipitation types (winter snow versus summer rains) affect carbon uptake in this ecosystem. By analyzing the carbon isotope ratio of recently fixed sugars, measurements of tree water use efficiency (WUE) will be calculated throughout the year. A model will then be developed to calculate carbon assimilation from measurements of WUE and transpiration. Oxygen and hydrogen isotopes will be used to trace water sources used by trees, and the dominant water source will be related to forest carbon gain in order to investigate the influences of precipitation type on forest carbon uptake.
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Collaborative Proposal: Forest carbon-water interactions in relation to the North American Monsoon climate system
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批准号:1754430
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项目类别:Continuing Grant
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资助金额:$89.53万
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财政年份:2018
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负责人:Russell Monson
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依托单位:
OPUS: Understanding Ecosystem Processes in Response to Climate Variation in a Subalpine Forest
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批准号:1256526
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项目类别:Standard Grant
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资助金额:$14.75万
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财政年份:2013
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负责人:Russell Monson
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依托单位:
Collaborative Research: Processes and Patterns in The North American Monsoon Macrosystem
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批准号:1065790
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项目类别:Standard Grant
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资助金额:$294.91万
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财政年份:2011
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负责人:Russell Monson
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依托单位:
Collaborative Research: ETBC--Exploring Forest Ecosystem Response to Water Availability and the Impact on Biogeochemical and Water Cycles
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批准号:0919189
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项目类别:Standard Grant
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资助金额:$100.0万
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财政年份:2009
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负责人:Russell Monson
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依托单位:
A Summer Course in Flux Measurement and Advanced Modeling: University of Colorado Mountain Research Station, Summer 2008
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批准号:0634649
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项目类别:Standard Grant
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资助金额:$4.25万
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财政年份:2008
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负责人:Russell Monson
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依托单位:
Comparative Ecosystem Analysis Using Inverse Parameter Retrieval
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批准号:0743251
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项目类别:Continuing Grant
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资助金额:$55.9万
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财政年份:2008
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负责人:Russell Monson
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依托单位:
SST: Wireless Sensor Networks for Studies of Ecosystem CO2 Budgets
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批准号:0528793
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项目类别:Continuing Grant
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资助金额:$99.22万
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财政年份:2006
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负责人:Russell Monson
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依托单位:
Instrumentation for the Analysis of Biogenic Organic Compounds
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批准号:0500560
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项目类别:Standard Grant
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资助金额:$22.29万
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财政年份:2005
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负责人:Russell Monson
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依托单位:
Biocomplexity: Carbonshed Studies of Carbon Sequestration in Complex Terrain
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批准号:0321918
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项目类别:Standard Grant
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资助金额:$199.98万
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财政年份:2004
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负责人:Russell Monson
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依托单位:
Soil Respiration and Microbial Diversity in a Subalpine Forest
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批准号:0212267
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项目类别:Continuing Grant
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资助金额:$0.0万
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财政年份:2002
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负责人:Russell Monson
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依托单位:
Dissertation Research: Microbial Population Dynamics and the Alpine Nitrogen Cycle
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批准号:9801408
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项目类别:Standard Grant
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资助金额:$0.9万
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财政年份:1998
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负责人:Russell Monson
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依托单位:
Development of the Relaxed Eddy Accumulation Technique and Stable Isotope Analysis for Studies of Ecosystem CO2 Exchange - A One Year Scoping Proposal
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批准号:9814507
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项目类别:Standard Grant
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资助金额:$10.07万
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财政年份:1998
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负责人:Russell Monson
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依托单位:
Soil Amino-Acid Uptake by Alpine Plants and Microorganisms
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批准号:9514123
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项目类别:Continuing Grant
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资助金额:$24.8万
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财政年份:1996
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负责人:Russell Monson
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依托单位:
Biosphere/Atmosphere Interactions: Biochemical Causes to Global Implications
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批准号:9413218
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项目类别:Continuing Grant
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资助金额:$169.98万
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财政年份:1994
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负责人:Russell Monson
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依托单位:
Resource Storage in Alpine Plants
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批准号:9207627
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项目类别:Continuing Grant
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资助金额:$22.83万
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财政年份:1992
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负责人:Russell Monson
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依托单位:
Nitrogen Storage in Alpine Plants
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批准号:9020044
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项目类别:Standard Grant
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资助金额:$5.5万
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财政年份:1991
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负责人:Russell Monson
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依托单位:
A Genetic Analysis of Photosynthetic and Biomass- Partitioning in Cleome serrulata
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批准号:8911433
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项目类别:Continuing Grant
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资助金额:$25.33万
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财政年份:1989
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负责人:Russell Monson
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依托单位:
Acquisition of Nine Controlled - Environment Group Chambers
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批准号:8908168
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项目类别:Standard Grant
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资助金额:$11.3万
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财政年份:1989
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负责人:Russell Monson
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依托单位:
Dissertation Research: Differential Stress Tolerance in Dioecious Plants
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批准号:8701021
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项目类别:Standard Grant
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资助金额:$0.3万
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财政年份:1987
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负责人:Russell Monson
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依托单位:
Ecophysiology of a C4 and Two C3-C4 Intermediate Flaveria Species in Florida
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批准号:8604960
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项目类别:Continuing Grant
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资助金额:$14.32万
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财政年份:1986
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负责人:Russell Monson
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依托单位:
国内基金
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