EAR-Climate: Geomorphic controls on soil organic carbon in fire-prone erosional landscapes

EAR-气候:易发生火灾的侵蚀景观中土壤有机碳的地貌控制

基本信息

  • 批准号:
    2136934
  • 负责人:
  • 金额:
    $ 39.28万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-03-01 至 2025-02-28
  • 项目状态:
    未结题

项目摘要

Soil carbon from organic material constitutes a substantial component of the global carbon cycle and is a resource of increasing management interest. In non-agricultural settings, such as hilly and mountainous terrain that dominates the western United States, accurate data showing how soil organic carbon is distributed and changes following wildfire is lacking. This project will collect data on the extent, depth, and age of soil organic carbon at recently-burned mountainous study sites in southwest Oregon, and it will examine the factors that affect soil organic carbon changes in such landscapes. This research will help to inform soil management schemes, including efforts to sequester carbon in soils to combat climate change. The project team will also actively contribute to experiential learning initiatives at the University of Oregon, which seek to empower students from historically underrepresented groups toward pursuing interests in science, technology, engineering, and mathematics (STEM), and it will support training for a female graduate student.This project will quantify the functional relationships between topography, soil properties, and soil organic carbon, which can be applied to an array of eroding, soil-mantled landscapes across the world. Through the coupling of geomorphic theory for soil production and transport, high-resolution topography generated from airborne lidar, and field-derived ecological and biogeochemical data, this project will track changes in soil organic carbon pools on hillslopes that span a range of erosion rates and morphologic characteristics. In addition, using data from study sites in southwest Oregon, this project will determine how disturbance and forest succession affect soil organic carbon amounts and permanence, assessed through the quantification of carbon stocks combined with radiometric dating, and thus determine the legacy of past and future wildfires. The project's integrative framework can be calibrated and applied in different ecoregions to map soil carbon in a fashion that allows for rapid and accurate upscaling. This project will advance the potential of critical zone science to improve carbon cycling predictions under global environmental change. Improved understanding of soil organic carbon will contribute to practical applications in land management and global climate model development. In addition, the project will help to advance three initiatives at the University of Oregon toward broadening participation in STEM, and it will support training for a female graduate student.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.
来自有机材料的土壤碳构成了全球碳循环的重要组成部分,并且是日益引起管理兴趣的资源。在非农业环境中,例如美国西部的丘陵和山区,缺乏显示土壤有机碳在野火后如何分布和变化的准确数据。该项目将收集俄勒冈州西南部最近燃烧的山区研究地点土壤有机碳的范围、深度和年龄的数据,并将研究影响此类景观土壤有机碳变化的因素。这项研究将有助于为土壤管理计划提供信息,包括在土壤中固碳以应对气候变化的努力。该项目团队还将积极为俄勒冈大学的体验式学习计划做出贡献,该计划旨在帮助历史上代表性不足的群体的学生追求对科学、技术、工程和数学 (STEM) 的兴趣,并将支持对女研究生的培训。该项目将量化地形、土壤特性和土壤有机碳之间的函数关系,可应用于一系列侵蚀、覆盖土壤的区域。 世界各地的风景。通过将土壤生产和运输的地貌理论、机载激光雷达生成的高分辨率地形以及现场获得的生态和生物地球化学数据相结合,该项目将跟踪山坡上跨越一系列侵蚀率和形态特征的土壤有机碳库的变化。此外,利用来自俄勒冈州西南部研究地点的数据,该项目将确定干扰和森林演替如何影响土壤有机碳含量和持久性,通过碳储量量化和放射性测年相结合进行评估,从而确定过去和未来野火的遗留问题。该项目的综合框架可以校准并应用于不同的生态区,以能够快速准确升级的方式绘制土壤碳图。该项目将提升关键区域科学的潜力,以改善全球环境变化下的碳循环预测。提高对土壤有机碳的了解将有助于土地管理和全球气候模型开发的实际应用。此外,该项目将有助于推进俄勒冈大学的三项举措,以扩大对 STEM 的参与,并将支持对女研究生的培训。该奖项反映了 NSF 的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(3)
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 pathways and deep weathering controls on soil organic carbon in Pacific Northwest forest soils
  • DOI:
    10.1016/j.geoderma.2023.116531
  • 发表时间:
    2023-08
  • 期刊:
  • 影响因子:
    6.1
  • 作者:
    Brooke D. Hunter;J. Roering;P. Almond;O. Chadwick;M. Polizzotto;Lucas C. R. Silva
  • 通讯作者:
    Brooke D. Hunter;J. Roering;P. Almond;O. Chadwick;M. Polizzotto;Lucas C. R. Silva
Quantifying erosion rates and weathering pathways that maximize soil organic carbon storage
量化侵蚀率和风化途径,最大限度地提高土壤有机碳储存量
  • DOI:
    10.1007/s10533-023-01054-7
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    4
  • 作者:
    Roering, Joshua J.;Hunter, Brooke D.;Ferrier, Ken L.;Chadwick, Oliver A.;Yoo, Kyungsoo;Wackett, Adrian A.;Almond, Peter C.;Silva, Lucas;Jellinek, A. Mark
  • 通讯作者:
    Jellinek, A. Mark
Geomorphic controls on the abundance and persistence of soil organic carbon pools in erosional landscapes
侵蚀景观中土壤有机碳库丰度和持久性的地貌控制
  • DOI:
    10.1038/s41561-023-01365-2
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    18.3
  • 作者:
    Hunter, Brooke D.;Roering, Joshua J.;Silva, Lucas C.;Moreland, Kimber C.
  • 通讯作者:
    Moreland, Kimber C.
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Joshua Roering其他文献

Joshua Roering的其他文献

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{{ truncateString('Joshua Roering', 18)}}的其他基金

Linking Mantle Structure and Dynamics to the Landscape Evolution of the Cascadia Forearc
将地幔结构和动力学与卡斯卡迪亚前弧景观演化联系起来
  • 批准号:
    1948961
  • 财政年份:
    2020
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Standard Grant
RAPID: Post-fire lidar change detection, Eagle Creek fire, Columbia River Gorge, Oregon
RAPID:火灾后激光雷达变化检测,俄勒冈州哥伦比亚河峡谷鹰溪火灾
  • 批准号:
    1829442
  • 财政年份:
    2018
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Standard Grant
CAREER: Chasing icebergs: quantifying iceberg motion and melt in Greenland's glacial fjords
职业:追逐冰山:量化格陵兰冰川峡湾的冰山运动和融化
  • 批准号:
    1552232
  • 财政年份:
    2016
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Standard Grant
COLLABORATIVE RESEARCH: Clarifying the ingredients and significance of nonlocal versus local sediment transport on steepland hillslopes
合作研究:阐明陡峭山坡上非局部与局部沉积物迁移的成分和意义
  • 批准号:
    1420898
  • 财政年份:
    2014
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Continuing Grant
Collaborative Research: Incorporating hillslope transport into laboratory landscape experiments
合作研究:将山坡运输纳入实验室景观实验
  • 批准号:
    1252177
  • 财政年份:
    2013
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Continuing Grant
Collaborative Research: Climatic and biotic controls on Late Quaternary erosion in the Oregon Coast Range
合作研究:俄勒冈海岸山脉晚第四纪侵蚀的气候和生物控制
  • 批准号:
    0952186
  • 财政年份:
    2010
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Continuing Grant
Sediment production via landsliding in the Waipaoa: Temporal and spatial variability using InSAR, LiDAR, air photos, and Be-10
怀宝阿山体滑坡产生的沉积物:使用 InSAR、LiDAR、航空照片和 Be-10 的时间和空间变化
  • 批准号:
    0841111
  • 财政年份:
    2009
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Standard Grant
Landsliding and the Evolution of Mountainous Landscapes
滑坡和山地景观的演变
  • 批准号:
    0447190
  • 财政年份:
    2005
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Standard Grant
Quantifying Climatic Controls on Sediment Production and Hillslope Evolution
量化沉积物产生和山坡演化的气候控制
  • 批准号:
    0309975
  • 财政年份:
    2003
  • 资助金额:
    $ 39.28万
  • 项目类别:
    Standard Grant

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合作研究:西北地区阿克拉维克山脉流域规模地貌对气候变化的响应(加拿大)
  • 批准号:
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