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Collaborative Research: Annual Rings in the Tropical Tree Hymenaea Courbaril--Determination by 14C and Climatic Interpretation

Collaborative Research: Annual Rings in the Tropical Tree Hymenaea Courbaril--Determination by 14C and Climatic Interpretation
合作研究：热带树Hymeneaa Courbaril的年轮——14C测定和气候解释
批准号：
0214469
负责人：
Thomas Guilderson
金额：
$7.45万
依托单位：
University of California-Santa Cruz
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2002
资助国家：
美国
项目状态：
已结题
起止时间：
2002-08-01 至 2005-07-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0214469&HistoricalAwards=false
关键词：
CollaborativeResearchAnnualRingsTropical

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英文摘要
This award is to support research that will determine whether tree rings in the tropical hardwood species Hymenaea courbaril represent annual growth rings.Field work will be undertaken to collect samples of Hymenaea courbaril from localities where short instrumental records are available for calibration. Isotopic analyses and and visual and computer assisted methods of cross dating will be used to determine the growth history of this species. The broader impacts of this proposed research are that, if the growth rings are determined to be annual, a pan-tropic taxon will be available for dendrochronology and climatologic studies of tropical terrestrial environments.
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