Collaborative Research: Dendrochronological, Volcanological, and Archeological Study of Cinder Cone Eruptions of Paricutin and Sunset Crater

合作研究：帕里库丁火山灰锥喷发和日落火山口的树木年代学、火山学和考古学研究

• 批准号: 0409117
• 负责人: Michael Ort
• 金额: $ 5.95万
• 依托单位: Northern Arizona University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-08-15 至 2007-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0409117&HistoricalAwards=false
• 关键词: Collaborative; Research; Dendrochronological; Volcanological; Archeological

Understanding the full range of interactions between human groups and volcanic eruptions is of great importance for predicting volcanic hazards, but also for insights into human behavior and the ways in which populations adapt to catastrophic events. Most accounts of human/volcano interaction are confined to the past few hundred years, limiting the number of cases and the formulation of predictive models. In this multidisciplinary study, dendrochronological and geochemical analysis of tree-rings will be used to date prehistoric and unrecorded historic period eruptions with a high degree of both accuracy and precision. Dates derived from these methods can then be combined with the archaeological record or historic documentation to investigate and model the ways in which human groups interact with volcano eruptions. Preliminary geochemical data from trees affected by the 1943-1952 CE eruption of Paricutin, Michoacan, Mexico, show changes in phosphorus, calcium, and strontium concentrations during the eruption. Some of these same signatures show up in the wood from prehistoric structures in the vicinity of Sunset Crater Volcano (~1050-1100 CE) in northern Arizona. This project will increase the sample size and verify the results before applying them in other volcanological settings and to re-interpret prehistoric adaptations to the Sunset Crater eruption. This project involves collaborators from three different scientific disciplines and institutions to accomplish multidisciplinary research that will improve understanding of forest ecosystems and human responses to eruptions. An increased understanding of human-volcano interactions may eventually allow for better management of populations affected by eruptions, potentially saving lives and property. The research will also be used in curriculum for a statewide academic competition for high school students, undergraduate and graduate level courses at the University of Arizona and Northern Arizona University, and a UA program, "Students Across Borders," which helps minority students participate in geosciences research. Scientific presentations and articles will occur in geosciences and archaeology. Results from this research will also be incorporated into new exhibits at the Sunset Crater and Wupatki National Monuments.

了解人类群体与火山爆发之间的全方位相互作用对于预测火山灾害非常重要，但也有助于了解人类行为以及人口适应灾难性事件的方式。大多数关于人类/火山相互作用的记载都局限于过去几百年，限制了案例的数量和预测模型的制定。在这项多学科研究中，树木年轮的年代学和地球化学分析将用于确定史前和未记录的历史时期喷发的日期，具有高度的准确性和精确性。从这些方法得出的日期可以与考古记录或历史文献相结合，以调查和模拟人类群体与火山爆发相互作用的方式。初步的地球化学数据，从树木受1943-1952 CE喷发的Pariclavia，米霍坎，墨西哥，显示在磷，钙，锶浓度的变化在喷发。 在亚利桑那州北方日落火山口火山（约公元1050-1100年）附近的史前建筑的木材中也发现了同样的特征。该项目将增加样本量，并在将其应用于其他火山环境之前验证结果，并重新解释日落火山口爆发的史前适应。 该项目涉及来自三个不同科学学科和机构的合作者，以完成多学科研究，这将提高对森林生态系统和人类对火山爆发的反应的理解。对人类与火山相互作用的进一步了解可能最终有助于更好地管理受火山爆发影响的人口，从而有可能挽救生命和财产。 这项研究还将用于全州高中生学术竞赛的课程，亚利桑那大学和北方亚利桑那大学的本科和研究生课程，以及帮助少数民族学生参与地球科学研究的UA计划“学生跨越国界”。 科学报告和文章将出现在地球科学和考古学。 这项研究的结果也将被纳入日落火山口和Wupatki国家纪念碑的新展览中。