Collaborative Research: Network Cluster: Bedrock controls on the deep critical zone, landscapes, and ecosystems

合作研究:网络集群:对深层关键区域、景观和生态系统的基岩控制

基本信息

  • 批准号:
    2012357
  • 负责人:
  • 金额:
    $ 163.35万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-09-01 至 2025-08-31
  • 项目状态:
    未结题

项目摘要

The Critical Zone comprises the terrestrial environment from the tree canopy through the soil horizon and down to the base of weathered bedrock. This Critical Zone provides crucial services to humans and ecosystems, including the storage and filtering of groundwater, maintenance of streamflow, and long-term regulation of Earth’s climate. This project, part of the Critical Zone Collaborative Network, will establish the Bedrock Critical Zone Network that spans a wide range of climatic conditions across the continental US, ranging from a subtropical site in the South Carolina Piedmont to warm and dry sites in southern California. The principal goal is to improve knowledge of how subsurface processes in the deep Critical Zone influence water storage potential. In addition, the project will explore how water storage affects ecosystem resilience to disturbances such as prolonged drought. The research will involve direct sampling of subsurface materials via drilling and borehole logging together with non-invasive, indirect imaging techniques. The project will engage teachers, students, and the broader public in information sessions that emphasize the crucial importance of the Critical Zone, including development of a set of interactive 3D visualizations for use by educators.The Critical Zone extends from treetop to bedrock and thus includes both the substrate for life and the organisms that live at Earth’s land surface. In hilly and mountainous landscapes, where erosion at the surface exhumes underlying bedrock, the deepest reaches of the Critical Zone are where bedrock begins the weathering process, where fluids and gases first penetrate and react, where biota begin to colonize and interact with minerals, and where pore space begins to open. This project establishes the Bedrock Critical Zone Network to provide the scientific community with new knowledge of the deep Critical Zone and its feedbacks with surface processes and ecosystems. Observations and modeling at seven sites spanning a wide range of climatic and bedrock conditions in the continental US will test the hypothesis that Critical Zone structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the Critical Zone. Mineralogy, ambient stress, and inherited fractures are influential factors, and these, in turn, are influenced by surface processes like erosion, subsurface flow, and ecosystem productivity. The project will address questions about fundamental deep Critical Zone properties and processes, including: controls on regolith thickness and its variation across landscapes; the relative importance and spatial variability of physical and chemical weathering; how subsurface weathering influences landscape evolution; and how deep Critical Zone water storage affects ecosystem resilience.The project will engage teachers, students, and the broader public on the crucial importance of the Critical Zone ; train scientists at diverse career stages on how to communicate; and promote diversity, inclusion, and equity in Critical-Zone science through targeted programs. The project will undertake an outreach and engagement program that includes a new set of interactive 3D visualizations, called the "Virtual Critical Zone," based on extensive imaging and measurements of roadcuts and quarries. This project will also include hands-on programs for high school teachers and students. All activities will support diversity and inclusion in Critical-Zone science through intentional recruiting and outreach. This project is jointly funded by the Critical Zone Collaborative Network, the Geomorphology and Land-use Dynamics programs in the Division of Earth Sciences, as well as the Education Program in the Geosciences Directorate.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
临界区包括树冠土壤地平线,并沿着一些基本的基岩为人类和生态系统提供至关重要的服务,地下水的存储和过滤,维持水流以及地球气候的长期调节of the Critical Zone Collaborative Network, Will Establish The Bedrock CRITICAL Zone RK that Spans a Wide Range of Climatic Conditions Across The Continental US, Ranging from A Subtropical Site In The South Carina Piedmont TO Warm and And and And and And Dry Sites in Southern California主要目标是改善深度临界区域的水平,此外,水域水的生态系统将涉及长时间的干旱。通过无创,间接的成像技术。基岩,因此包括生命的底物和生活在地球地面的生物,在丘陵和山区的景观中,侵蚀在地面上的侵蚀底层底层的侵蚀是最深处与矿物质的互动,妓女空间开始开放。美国大陆的基石条件将测试Al区域结构和遗传性,环境压力,环境压力,Aminaterogy的假设,而这些因素是侵蚀性的,而这些因素也受到侵蚀,地下流动的影响和生态系统的生产力通过有针对性的计划,在批判性方面促进多样性,包容性和公平性。 “区域”,“基于道路和质量的广泛成像和衡量。在地球科学的部门中,作为地球科学局的教育计划。该奖项反映了NSF的飞行任务,并具有通过Toundation的知识分子优点和更广泛的影响审查标准的评估,认为值得支持。

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)
Sediment size on talus slopes correlates with fracture spacing on bedrock cliffs: Implications for predicting initial sediment size distributions on hillslopes.
距骨斜坡上的沉积物尺寸与基岩悬崖上的裂缝间距相关:对预测山坡上初始沉积物尺寸分布的影响。
  • DOI:
    10.5194/esurf-9-1073-2021
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    3.4
  • 作者:
    Verdian, J.;Sklar, L. S.;Riebe, C. S.;Moore, J. R.
  • 通讯作者:
    Moore, J. R.
Geostatistical Rock Physics Inversion for Predicting the Spatial Distribution of Porosity and Saturation in the Critical Zone
预测关键带孔隙度和饱和度空间分布的地统计岩石物理反演
  • DOI:
    10.1007/s11004-022-10006-0
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    2.6
  • 作者:
    Grana, Dario;Parsekian, Andrew D.;Flinchum, Brady A.;Callahan, Russell P.;Smeltz, Natalie Y.;Li, Ang;Hayes, Jorden L.;Carr, Brad J.;Singha, Kamini;Riebe, Clifford S.
  • 通讯作者:
    Riebe, Clifford S.
Forest vulnerability to drought controlled by bedrock composition
  • DOI:
    10.1038/s41561-022-01012-2
  • 发表时间:
    2022-09-06
  • 期刊:
  • 影响因子:
    18.3
  • 作者:
    Callahan, Russell P.;Riebe, Clifford S.;Holbrook, W. Steven
  • 通讯作者:
    Holbrook, W. Steven
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Clifford Riebe其他文献

Clifford Riebe的其他文献

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{{ truncateString('Clifford Riebe', 18)}}的其他基金

NSF workshop: Drilling, sampling, and imaging the depths of the critical zone
NSF 研讨会:关键区域深度的钻孔、取样和成像
  • 批准号:
    1242284
  • 财政年份:
    2013
  • 资助金额:
    $ 163.35万
  • 项目类别:
    Standard Grant
Collaborative Research: Spatial Variability in Eroded Sediment Size and Geomorphic Processes Inferred From Detrital Thermochronometry and Cosmogenic Nuclides
合作研究:从碎屑测温法和宇宙成因核素推断出的侵蚀沉积物尺寸和地貌过程的空间变化
  • 批准号:
    1325033
  • 财政年份:
    2013
  • 资助金额:
    $ 163.35万
  • 项目类别:
    Standard Grant
Collaborative Research: Beryllium-10 in detrital magnetite as a new tool in erosion and weathering studies
合作研究:碎屑磁铁矿中的铍 10 作为侵蚀和风化研究的新工具
  • 批准号:
    1148224
  • 财政年份:
    2012
  • 资助金额:
    $ 163.35万
  • 项目类别:
    Standard Grant
RAPID: Systematic Quantification of River-bed Gravel Characteristics that Promote Salmon Spawning
RAPID:系统量化促进鲑鱼产卵的河床砾石特征
  • 批准号:
    0956289
  • 财政年份:
    2009
  • 资助金额:
    $ 163.35万
  • 项目类别:
    Standard Grant

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