Acquisition of an Automated Laser Diffraction Particle Size Analyzer at the University of Massachusetts
马萨诸塞大学购买自动激光衍射粒度分析仪
基本信息
- 批准号:1719218
- 负责人:
- 金额:$ 8.98万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-08-01 至 2019-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This grant supports acquisition of a laser diffraction particle size analyzer with automated sample preparation and introduction devices. The instrument will support faculty and student research at the University of Massachusetts Amherst that requires determination of fine grained particle size distributions in sediments and soils. Grain size analysis is a fundamental tool supporting research in sedimentology, natural hazards, paleoclimatology, geomorphology, and hydrology. Studies of sediment transport in rivers and estuaries during extreme events, Arctic paleoclimate investigations, and fault zone material mechanical properties will be supported by the acquisition. Students will be trained in instrumental procedures and the instrument will serve regional institutions in New England. The acquisition will also support faculty outreach efforts to engage regional K-12 and community college students in societally relevant paleoenvironmental research. This support is congruent with NSF's mission of promoting the progress of science and advancing the national health, prosperity and welfare given the relevance of targeted research aimed at understanding records of historical hurricanes affecting the U.S. Northeast as recorded in the terrestrial and marine sedimentary records, studies of Earth's climate dynamics as recorded in lake sediments and the impact of the acquisition on training the next generation scientific workforce.Significant uncertainty remains regarding the fundamental mechanisms of fluid and sediment transport during extreme flooding. To fill this knowledge gap, the sedimentology lab at the University of Massachusetts Amherst and colleagues at Virginia Tech are currently using patterns in deposition from historical floods to validate and inform numerical simulations of sediment dynamics under extreme flows. Grain size distribution of sediment?s in back barrier marshes and ponds can vary by 3 orders of magnitude, from coarse beach-derived sand and gravel at the coast to fine-grained mud drapes at their landward extents. Mapping spatial trends in these deposits assist in understanding the physics of sediment transport during extreme flood events. The laser particle size analyzer will also be used to identify coarse-grained storm deposits embedded within fine-grained lake and lagoon sediments to further extend our knowledge of pre-historic hurricane events and therefore better understand the probability of hurricane hazards. The particle size analyzer will also aid in studies of high latitude glacial history by examining the paleorecords of lake sediment grain size as a proxy of glacial advance and retreat.
该补助金支持购买带有自动样品制备和引入装置的激光衍射粒度分析仪。 该仪器将支持马萨诸塞州阿默斯特大学的教师和学生的研究,该研究需要确定沉积物和土壤中的细粒粒度分布。 粒度分析是支持沉积学、自然灾害、古气候学、地貌学和水文学研究的基本工具。 该收购将支持极端事件期间河流和河口的沉积物输运研究、北极古气候调查和断裂带材料力学特性。 学生将接受仪器程序培训,仪器将服务于新英格兰的区域机构。 此次收购还将支持教师的外联工作,使区域K-12和社区大学的学生参与社会相关的古环境研究。 这种支持与NSF的使命是一致的,即促进科学进步和促进国家健康,繁荣和福利,因为有针对性的研究旨在了解陆地和海洋沉积记录中记录的影响美国东北部的历史飓风记录,研究湖泊沉积物中记录的地球气候动态,以及收购对培训下一代科学工作者的影响。极端洪水期间流体和沉积物输运的基本机制。 为了填补这一知识空白,马萨诸塞州阿默斯特大学的沉积学实验室和弗吉尼亚理工大学的同事们目前正在使用历史洪水的沉积模式来验证和告知极端流量下沉积物动力学的数值模拟。 沉积物的粒度分布后障壁沼泽和池塘中的沉积物可变化3个数量级,从海岸的粗沙滩砂和砾石到向陆地延伸的细粒泥帘。 绘制这些沉积物的空间趋势有助于了解极端洪水事件期间沉积物运移的物理学。 激光粒度分析仪还将用于识别嵌入细粒湖泊和泻湖沉积物中的粗粒风暴沉积物,以进一步扩展我们对史前飓风事件的了解,从而更好地了解飓风灾害的可能性。 粒度分析仪还将通过检查湖泊沉积物粒度的古记录作为冰川前进和后退的代表,帮助研究高纬度冰川历史。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
A fluvially derived flood deposit dating to the Kamikaze typhoons near Nagasaki, Japan
源自日本长崎附近的神风台风的河流沉积物
- DOI:10.1007/s11069-019-03777-z
- 发表时间:2019
- 期刊:
- 影响因子:3.7
- 作者:Ladlow, Caroline;Woodruff, Jonathan D.;Cook, Timothy L.;Baranes, Hannah;Kanamaru, Kinuyo
- 通讯作者:Kanamaru, Kinuyo
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Jonathan Woodruff其他文献
The BERIpad tablet : open-source construction , CPU , OS and applications
BERIpad 平板电脑:开源结构、CPU、操作系统和应用程序
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:0
- 作者:
A. T. Markettos;Jonathan Woodruff;R. Watson;Bjoern A. Zeeb;Brooks Davis;S. Moore - 通讯作者:
S. Moore
CHERI: a RISC capability machine for practical memory safety
- DOI:
- 发表时间:
2014 - 期刊:
- 影响因子:0
- 作者:
Jonathan Woodruff - 通讯作者:
Jonathan Woodruff
Randomized Testing of RISC-V CPUs Using Direct Instruction Injection
使用直接指令注入对 RISC-V CPU 进行随机测试
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:2
- 作者:
Alexandre Joannou;Peter Rugg;Jonathan Woodruff;Franz A. Fuchs;Marno Van der Maas;Matthew Naylor;M. Roe;Robert N. M. Watson;P. Neumann;Simon W. Moore - 通讯作者:
Simon W. Moore
CHERI: A Hybrid Capability-System Architecture for Scalable Software Compartmentalization
CHERI:用于可扩展软件划分的混合能力系统架构
- DOI:
- 发表时间:
2015 - 期刊:
- 影响因子:0
- 作者:
R. Watson;Jonathan Woodruff;P. Neumann;S. Moore;Jonathan Anderson;D. Chisnall;Nirav H. Dave;Brooks Davis;Khilan Gudka;B. Laurie;S. Murdoch;Robert M. Norton;M. Roe;Stacey D. Son;Munraj Vadera - 通讯作者:
Munraj Vadera
Capability Hardware Enhanced RISC Instructions: CHERI Instruction-Set Architecture (Version 7)
功能硬件增强型 RISC 指令:CHERI 指令集架构(版本 7)
- DOI:
- 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
Robert N. M. Watson;Peter G. Neumann;Jonathan Woodruff;Michael Roe;H. Almatary;Jonathan Anderson;John Baldwin;D. Chisnall;Brooks Davis;N. Filardo;Alexandre Joannou;Ben Laurie;A. T. Markettos;Simon W. Moore;S. Murdoch;Kyndylan Nienhuis;Robert M. Norton;Alexander Richardson;Peter Rugg;Peter Sewell;Stacey D. Son;Hongyan Xia - 通讯作者:
Hongyan Xia
Jonathan Woodruff的其他文献
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{{ truncateString('Jonathan Woodruff', 18)}}的其他基金
Collaborative Research: Tsunami and Tropical Cyclone Sediment Dynamics and Products
合作研究:海啸和热带气旋沉积动力学和产品
- 批准号:
1630090 - 财政年份:2016
- 资助金额:
$ 8.98万 - 项目类别:
Standard Grant
Collaborative Research: Sediment Transport and Storage in Tidal Floodplain Waterbodies
合作研究:潮汐漫滩水体中的沉积物输送和储存
- 批准号:
1148244 - 财政年份:2012
- 资助金额:
$ 8.98万 - 项目类别:
Continuing Grant
RAPID: Characterizing floodplain deposition from Hurricane Irene along the Lower Connecticut River
RAPID:描述康涅狄格河下游飓风艾琳造成的洪泛区沉积特征
- 批准号:
1158780 - 财政年份:2011
- 资助金额:
$ 8.98万 - 项目类别:
Standard Grant
Collab. Research: Decadal Scale Patterns in Hurricane Activity Over the Last Several Millennia: Exploring Geographic Patterns and Climatic Forcing
合作。
- 批准号:
0902889 - 财政年份:2009
- 资助金额:
$ 8.98万 - 项目类别:
Standard Grant
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