Collaborative Research: BEAR-oNS: Biogenic Emissions and Aerosol Response on the North Slope
合作研究:BEAR-ONS:北坡的生物排放和气溶胶响应
基本信息
- 批准号:2041250
- 负责人:
- 金额:$ 22万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-03-01 至 2025-02-28
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Climate in the Arctic is changing at a rapid pace. When vegetation reacts to these changes, chemicals called biogenic volatile organic compounds (BVOCs) can be released into the atmosphere. This project seeks to investigate how climate change affects the quantity and type of BVOCs released into the atmosphere and the chemical reactions these BVOCs undergo in the Arctic atmosphere. The investigators will accomplish their project goals through fieldwork on the North Slope of Alaska (NSA), collection and laboratory analysis of emission and atmospheric samples, and modeling of potential emissions and chemistry. For this project to have broad impacts, we will engage with students at Iḷisaġvik College (Alaska’s only tribal college), Baylor University and minority-serving University of California-Irvine and University of California-Riverside, local K-12 schools, and the broader scientific community. This is an integrated field experiment and modeling project focused on quantifying biogenic emissions from tundra vegetation and subsequent organic aerosol production. The project activities include targeted field campaigns across the North Slope of Alaska, laboratory analysis, and modeling. Specifically, the project intends to (1) Measure the release of volatile organic compounds by vegetation (biogenic VOC) under different environmental conditions (2) Model summer chemistry of BVOCs and (3) Measure the concentrations of BVOCs and their secondary organic aerosol products during field campaigns on the North Slope of Alaska. This work will culminate in (4) building a predictive understanding of how vegetation type and seasonal and climate variations across the North Slope of Alaska controls BVOC emissions and subsequent aerosol formation. By quantifying the relationships among physical and biological drivers for current vegetation emissions, this project will significantly advance predictions of the impacts of changing climate and vegetation on future vegetation emissions and organic aerosol composition and concentrations. Finally, this research will have broader impacts through: (1) Engaging with students at Iḷisaġvik College; (2) Training students at Baylor and minority-serving University of California-Irvine and University of California-Riverside; (3) K-12 outreach in local schools at UCI; and (4) Promoting transdisciplinary discussion of the impacts of changes in Arctic vegetation emissions on the atmosphere with a scientific workshop.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.
北极的气候正在迅速变化。当植被对这些变化作出反应时,一种叫做生物挥发性有机化合物(BVOCs)的化学物质就会释放到大气中。该项目旨在研究气候变化如何影响释放到大气中的BVOCs的数量和类型,以及这些BVOCs在北极大气中发生的化学反应。研究人员将通过在阿拉斯加北坡(NSA)的实地考察、对排放和大气样本的收集和实验室分析以及对潜在排放和化学物质的建模来完成他们的项目目标。为了使这个项目产生广泛的影响,我们将与Iḷisaġvik学院(阿拉斯加唯一的部落学院)、贝勒大学、少数民族服务的加州大学欧文分校和加州大学河滨分校、当地K-12学校和更广泛的科学界的学生合作。这是一个综合的野外实验和建模项目,重点是量化苔原植被的生物源排放和随后的有机气溶胶产生。项目活动包括横跨阿拉斯加北坡的有针对性的实地活动、实验室分析和建模。具体而言,该项目拟(1)测量不同环境条件下植被释放的挥发性有机化合物(生物源性VOC);(2)模拟BVOCs的夏季化学;(3)在阿拉斯加北坡野外活动期间测量BVOCs及其二次有机气溶胶产品的浓度。这项工作的最终成果是(4)对阿拉斯加北坡的植被类型、季节和气候变化如何控制BVOC排放和随后的气溶胶形成建立一种预测性认识。通过量化当前植被排放的物理和生物驱动因素之间的关系,该项目将显著推进气候变化和植被对未来植被排放以及有机气溶胶组成和浓度影响的预测。最后,本研究将通过以下方式产生更广泛的影响:(1)与Iḷisaġvik学院的学生互动;(2)在贝勒大学和少数族裔服务的加州大学欧文分校和加州大学河滨分校培训学生;(3) UCI本地学校K-12外展;(4)举办科学研讨会,推动北极植被排放变化对大气影响的跨学科讨论。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识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(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)
Arctic Heatwaves Could Significantly Influence the Isoprene Emissions From Shrubs
北极热浪可能会显着影响灌木的异戊二烯排放
- DOI:10.1029/2023gl107599
- 发表时间:2024
- 期刊:
- 影响因子:5.2
- 作者:Wang, Hui;Welch, Allison;Nagalingam, Sanjeevi;Leong, Christopher;Kittitananuvong, Pitchayawee;Barsanti, Kelley C.;Sheesley, Rebecca J.;Czimczik, Claudia I.;Guenther, Alex B.
- 通讯作者:Guenther, Alex B.
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Kelley Barsanti其他文献
Kelley Barsanti的其他文献
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2121787 - 财政年份:2021
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