Collaborative Research: Investigating meso- and submeso-scale variability in air-sea CO2 exchange in the Gulf Stream region with autonomous platforms

合作研究:利用自主平台研究湾流地区海气二氧化碳交换的中观和亚中观尺度变化

基本信息

  • 批准号:
    2148434
  • 负责人:
  • 金额:
    $ 10.49万
  • 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:
    2022-04-15 至 2024-03-31
  • 项目状态:
    已结题

项目摘要

The Gulf Stream current in the North Atlantic Ocean transports a large amount of warm water from south to north. Much of this heat is lost to the atmosphere as cold winds blow over the ocean. This heat loss causes local changes in the solubility of carbon dioxide in seawater and increases mixing of the upper ocean. Both of these impacts affect the ocean’s ability to take up carbon dioxide from the atmosphere. Knowledge of the ocean’s carbon uptake in this region is important for our ability to understand and predict the global carbon cycle that determines atmospheric carbon dioxide levels. Conditions in the Gulf Stream region change rapidly and are hard to sample, however. In this project, investigators will deploy a robotic glider for several weeks to measure temperature and salinity in the upper 1000 meters of the Gulf Stream region. The glider will overlap with other robotic vehicles called Saildrones that take measurements of surface waters and the atmosphere. Together these vehicles will produce a picture of ocean conditions and carbon uptake that is not possible with short-term sampling from ships. This project will support an early career scientist, a postdoctoral scholar, and a graduate student.In this project, the Principal Investigators (PIs) will deploy one autonomous glider during the late spring-early summer of 2022 that will measure subsurface ocean properties in upper 1000 m of the Gulf Stream region. This glider will target the waters around three Saildrones that are deployed in this area through an independent project funded by Google.org. Uncrewed surface vehicles such as Saildrone autonomously measure surface oceanic and atmospheric variables at high temporal resolution but generally lack subsurface observations. The water column data from the glider and the surface data from the Saildrones will allow the PIs to test the effectiveness of the synergy of the glider-Saildrone combination as a method to holistically characterize the ocean variability on the scale of tens of kilometers.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.
北大西洋的墨西哥湾流将大量暖水从南向北输送。当冷风吹过海洋时,大部分热量都散失到了大气中。这种热量损失导致二氧化碳在海水中溶解度的局部变化,并增加了上层海洋的混合。这两种影响都会影响海洋从大气中吸收二氧化碳的能力。 了解该区域海洋的碳吸收对于我们理解和预测决定大气二氧化碳水平的全球碳循环的能力至关重要。然而,墨西哥湾流地区的情况变化很快,很难取样。在这个项目中,研究人员将部署一个机器人滑翔机,在墨西哥湾流地区的1000米以上测量温度和盐度。滑翔机将与其他名为Saildrones的机器人飞行器重叠,这些飞行器测量表面沃茨和大气。这些工具将共同绘制海洋状况和碳吸收的图片,这是从船舶上进行短期采样所不可能实现的。该项目将支持一名早期职业科学家,一名博士后学者和一名研究生。在该项目中,首席研究员(PI)将在2022年春末夏初部署一架自主滑翔机,以测量墨西哥湾流地区1000米以上的地下海洋特性。这架滑翔机将瞄准三架Saildrone周围的沃茨水域,这些无人机是通过Google.org资助的一个独立项目部署在该地区的。Saildrone等无人水面飞行器以高时间分辨率自主测量表面海洋和大气变量,但通常缺乏地下观测。 来自滑翔机的水柱数据和来自Saildrones的表面数据将使PI能够测试滑翔机-Saildrone组合的协同效应的有效性,作为一种在数十公里范围内全面表征海洋变化的方法。该奖项反映了NSF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而被认为值得支持。

项目成果

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Alison Gray其他文献

Electron beam energy monitoring using thermoluminescent dosimeters and electron back scattering
  • DOI:
    10.1016/j.radmeas.2013.01.059
  • 发表时间:
    2013-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Vinod Nelson;Alison Gray
  • 通讯作者:
    Alison Gray
Robustness of automated data choices of smoothing parameter in image regularization
  • DOI:
    10.1007/bf00143557
  • 发表时间:
    1996-12-01
  • 期刊:
  • 影响因子:
    1.600
  • 作者:
    Karen Chan;Alison Gray
  • 通讯作者:
    Alison Gray

Alison Gray的其他文献

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{{ truncateString('Alison Gray', 18)}}的其他基金

Collaborative Research: Multi-Platform Approach to Evaluate Spring Bloom Timing and Carbon Export Processes in the North Atlantic Ocean
合作研究:评估北大西洋春季开花时间和碳输出过程的多平台方法
  • 批准号:
    2147809
  • 财政年份:
    2021
  • 资助金额:
    $ 10.49万
  • 项目类别:
    Standard Grant
Collaborative Research: Observations of Three-dimensional Transport Pathways and Biogeochemical Fluxes in the Southern Ocean using Autonomous Gliders
合作研究:利用自主滑翔机观测南大洋三维传输路径和生物地球化学通量
  • 批准号:
    1756882
  • 财政年份:
    2018
  • 资助金额:
    $ 10.49万
  • 项目类别:
    Standard Grant

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