RUI: Alpine Loess, Periglacial Uplands, and Exotic Additions: Investigating Past and Present Dust Deposition in the Alpine Zone of the Uinta Mountains, Utah
RUI:高山黄土、冰缘高地和外来物:调查犹他州尤因塔山脉高山地区过去和现在的灰尘沉积
基本信息
- 批准号:1524476
- 负责人:
- 金额:$ 20.3万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-08-15 至 2021-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A non-technical description of the project, which explains the project's significance and importanceAtmospheric dust is generated in lowlands through a variety of natural and human-induced processes. Once delivered to high mountain environments, wind-borne dust is responsible for a multitude of effects including altering the pH and chemistry of surface water, contributing to soil formation, and decreasing the reflective properties of snow. In the Rocky Mountains, recent study of lake sediment records suggests that rates of dust deposition have increased in the past few centuries, linking human land use in lowland basins with dust deposition in the mountains. This project will analyze the amount and distribution of dust accumulating in the Uinta Mountains to determine the regional and inter-annual variability in dust deposition rates and properties. Cores from alpine lakes will also be investigated to ascertain the changes in wind-borne deposits over the last several thousand years as continental glaciers receded and human habitation increased. Given the growing evidence that dust deposition plays an important role in the ecology of alpine systems, this project will provide useful information for management of mountain ecosystems and the surrounding basins. This project will be conducted at a primarily undergraduate institution and will train the next generation of research scientists.A technical description of the projectThis project will use an extensive set of existing lake-sediment cores and soils data, along with new collections of dust and soil, to test three complementary hypotheses: 1) Dust flux and geochemical properties are primarily controlled by aridity within regional source areas in the western United States; 2) Post-glacial sedimentary records from high-elevation lakes in the Uintas will record synchronous changes in physical properties that reflect variations in the regional dust system driven by paleoclimate variability; 3) Long-term (~106 - 107yrs) weathering on the unglaciated Uinta summit upland has resulted in the formation of pedogenic clays from elemental building blocks delivered by atmospheric dust. Six undergraduate students will receive training in research techniques and each will complete independent research along with the opportunity to present at professional meetings.
对该项目的非技术性描述,解释了该项目的意义和重要性大气尘埃是通过各种自然和人为过程在低地产生的。一旦被运送到高山环境中,风载灰尘会产生多种影响,包括改变地表水的pH值和化学性质,促进土壤形成,以及降低雪的反射特性。在落基山脉,最近对湖泊沉积物记录的研究表明,在过去几个世纪里,灰尘沉积的速度有所增加,将低地盆地的人类土地使用与山区的灰尘沉积联系起来。该项目将分析乌因塔山脉灰尘积累的数量和分布,以确定灰尘沉积率和性质的区域和年际变化。还将对高山湖泊的岩芯进行调查,以确定在过去几千年里,随着大陆冰川的消退和人类居住的增加,风载沉积物的变化。 鉴于越来越多的证据表明,灰尘沉积在高山生态系统中起着重要作用,该项目将为山区生态系统和周围盆地的管理提供有用的信息。该项目将在一个主要的本科院校进行,并将培养下一代研究科学家。该项目的技术说明该项目将使用一套广泛的现有湖泊沉积物岩心和土壤数据,沿着新收集的灰尘和土壤,以测试三个互补的假设:1)美国西部地区沙尘通量和地球化学性质主要受干旱控制; 2)来自尤因塔斯高海拔湖泊的冰后期沉积记录将记录物理性质的同步变化,反映古气候变化驱动的区域尘埃系统的变化; 3)在未冰川化的Uinta山顶高地上的长期(~106 - 107年)风化作用导致由大气灰尘提供的元素组成块形成成土粘土。六名本科生将接受研究技术的培训,每个人都将完成独立的研究沿着在专业会议上提出的机会。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Pedogenic clay formation from allochthonous parent materials in a periglacial alpine critical zone
- DOI:10.1016/j.catena.2021.105324
- 发表时间:2021-08
- 期刊:
- 影响因子:6.2
- 作者:J. Munroe;P. Ryan;A. Proctor
- 通讯作者:J. Munroe;P. Ryan;A. Proctor
Quantifying the contribution of dust to alpine soils in the periglacial zone of the Uinta Mountains, Utah, USA
- DOI:10.1016/j.geoderma.2020.114631
- 发表时间:2020-11
- 期刊:
- 影响因子:6.1
- 作者:J. Munroe;E. Norris;Pratt M. Olson;P. Ryan;M. Tappa;B. Beard
- 通讯作者:J. Munroe;E. Norris;Pratt M. Olson;P. Ryan;M. Tappa;B. Beard
Isotope fingerprinting reveals western North American sources of modern dust in the Uinta Mountains, Utah, USA
- DOI:10.1016/j.aeolia.2019.03.005
- 发表时间:2019-06
- 期刊:
- 影响因子:3.3
- 作者:J. Munroe;E. Norris;G. Carling;B. Beard;A. Satkoski;Lianwen Liu
- 通讯作者:J. Munroe;E. Norris;G. Carling;B. Beard;A. Satkoski;Lianwen Liu
Holocene records of eolian dust deposition from high‐elevation lakes in the Uinta Mountains, Utah, USA
美国犹他州尤因塔山脉高海拔湖泊的全新世风尘沉积记录
- DOI:10.1002/jqs.3250
- 发表时间:2021
- 期刊:
- 影响因子:2.3
- 作者:Munroe, Jeffrey S.;McElroy, Ryan;O'Keefe, Sam;Peters, Andrew;Wasson, Luna
- 通讯作者:Wasson, Luna
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Jeffrey Munroe其他文献
Factors controlling the water quality of rock glacier springs in European and American mountain ranges
控制欧美山脉中冰川泉水水质的因素
- DOI:
10.1016/j.scitotenv.2024.175706 - 发表时间:
2024-11-25 - 期刊:
- 影响因子:8.000
- 作者:
Stefano Brighenti;Nicola Colombo;Thomas Wagner;Michael Pettauer;Nicolas Guyennon;Karl Krainer;Monica Tolotti;Michela Rogora;Luca Paro;Sandra M. Steingruber;Chantal Del Siro;Cristian Scapozza;Noelia R. Sileo;Cristian D. Villarroel;Masaki Hayashi;Jeffrey Munroe;Dario Trombotto Liaudat;Leonardo Cerasino;Werner Tirler;Francesco Comiti;Gerfried Winkler - 通讯作者:
Gerfried Winkler
Jeffrey Munroe的其他文献
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{{ truncateString('Jeffrey Munroe', 18)}}的其他基金
RUI: Water from Stone -- Investigating the Hydrologic Role of Rock Glaciers
RUI:来自石头的水——研究岩石冰川的水文作用
- 批准号:
1935200 - 财政年份:2020
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
RUI: Collaborative Research: Network Cluster: Dust in the Critical Zone from the Great Basin to the Rocky Mountains
RUI:合作研究:网络集群:从大盆地到落基山脉关键区域的灰尘
- 批准号:
2012082 - 财政年份:2020
- 资助金额:
$ 20.3万 - 项目类别:
Cooperative Agreement
MRI: Acquisition of a Cavity Ring-Down Spectrometer for Analyzing Stable Isotopes in Water Samples at Middlebury College
MRI:在米德尔伯里学院购买用于分析水样中稳定同位素的光腔衰荡光谱仪
- 批准号:
1918436 - 财政年份:2019
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
RUI Collaborative Proposal: Climate and Chronology of the Last Glacial-Interglacial Transition, North-Central Great Basin, U.S.A.
RUI 合作提案:美国中北部大盆地末次冰期-间冰期转变的气候和年代学
- 批准号:
0902586 - 财政年份:2009
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
MRI: Acquisition of a Multi-Sensor Core Logger, Pycnometer, C:N Analyzer, and Freeze Dryer for use in Lake and Paleoclimate Studies at Middlebury College
MRI:购买多传感器岩心记录仪、比重瓶、C:N 分析仪和冷冻干燥机,用于米德尔伯里学院的湖泊和古气候研究
- 批准号:
0922940 - 财政年份:2009
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
SGER: Developing a Chronology for Neoglaciation in Glacier National Park, Montana
SGER:制定蒙大拿州冰川国家公园新冰川作用年表
- 批准号:
0808861 - 财政年份:2008
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
WORKSHOP: UINTAS 2006--The Uinta Interdisciplinary Assessment Symposium
研讨会:UINTAS 2006--Uinta跨学科评估研讨会
- 批准号:
0613065 - 财政年份:2006
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
Collaborative Research: High Resolution Records of Holocene Climate Change, Drought Variability and Monsoon Behavior from the Uinta Mountains of Utah
合作研究:犹他州尤因塔山脉全新世气候变化、干旱变化和季风行为的高分辨率记录
- 批准号:
0402328 - 财政年份:2004
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
Collaborative/RUI: Late-Quaternary Glacial and Paleoclimate History of the Uinta Mountains, Northeastern Utah
合作/RUI:犹他州东北部尤因塔山脉的晚第四纪冰川和古气候历史
- 批准号:
0345112 - 财政年份:2004
- 资助金额:
$ 20.3万 - 项目类别:
Continuing Grant
Planning Visit to China Collaborative Study of the Extent of Late Pleistocene Glaciation on the Eastern Qinghai-Xizang Plateau, China
计划访华 中国青藏高原东部晚更新世冰川范围合作研究
- 批准号:
0209993 - 财政年份:2002
- 资助金额:
$ 20.3万 - 项目类别:
Standard Grant
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