MEZCAL: Methods for Extending the horiZontal Coverage of the Amoc Latitudinally and retrospectively

MEZCAL:横向和回顾性扩展 Amoc 水平覆盖范围的方法

基本信息

  • 批准号:
    NE/Y00440X/1
  • 负责人:
  • 金额:
    $ 59.21万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2023
  • 资助国家:
    英国
  • 起止时间:
    2023 至 无数据
  • 项目状态:
    未结题

项目摘要

The AMOC is a large-scale ocean circulation system composed of currents that carry warm, shallow water northwards and return cold, deeper water southwards. The AMOC is crucial in maintaining the relatively mild winter climate of Northwest Europe. A shutdown of the AMOC would strongly impact European temperature and precipitation variability.Because of the AMOC's role in regulating the global climate system, several direct ocean observing programmes have been put in place to monitor the AMOC. In the North Atlantic, the two main observing arrays are the Rapid Climate Change Program (RAPID) and the Overturning in the Subpolar North Atlantic Program (OSNAP) at 26N and 50-60N, respectively. While these programmes have transformed our understanding of changes in the AMOC, they are limited to single lines of latitude and have relatively short lifespans (two decades at most). These constraints prevent us from being able to understand changes on long (decadal to centennial) timescales or understand how the AMOC is connected across the latitudes where we don't have direct measurements. Further, the maintenance of the observing arrays is costly and there is no backup system in place in the event of instrumentation failure or loss.To overcome the limitations of the RAPID and OSNAP observing arrays, the oceanographic community has sought alternative solutions for monitoring the AMOC using cost-effective observing systems, like existing satellite and autonomous ocean robot data that have high spatial and temporal coverage. These alternative solutions for monitoring the AMOC have recently been trialled at a few places in the North Atlantic. At the same time, advances in machine learning and modelling methods are starting to prove useful for monitoring the AMOC from indirect measurements. The AMOC monitoring at RAPID and OSNAP will soon achieve 20- and 10- years worth of continuous measurements, respectively. The combination of these AMOC records with the recent developments in alternative AMOC monitoring methods means that the oceanographic community now has the tools in place to dramatically improve our ability to understand the AMOC across the North Atlantic Ocean over long time periods. Thus, MEZCAL will combine computational advances with the recent proven alternative methods for monitoring the AMOC to extend the coverage of AMOC observations across the North Atlantic and deliver a new framework that will make a step change in our understanding of AMOC variability. This project will also provide recommendations for how to build a sustainable AMOC monitoring system moving forward.
AMOC是一个大规模的海洋环流系统,由向北携带温暖的浅水并向南返回寒冷的深水的洋流组成。AMOC对于保持西北欧相对温和的冬季气候至关重要。由于AMOC在调节全球气候系统中的作用,已经实施了几个直接的海洋观测方案来监测AMOC。在北大西洋,两个主要的观测阵列是快速气候变化方案(RAPID)和副极地北大西洋翻转方案(OSNAP),分别位于北纬26度和50- 60度。虽然这些方案改变了我们对AMOC变化的理解,但它们仅限于单一的纬度线,寿命相对较短(最多20年)。这些限制使我们无法理解长时间(十年到百年)的变化,也无法理解AMOC在我们没有直接测量的纬度上是如何连接的。此外,观测阵列的维护费用很高,而且在仪器故障或丢失的情况下没有备用系统,为了克服RAPID和OSNAP观测阵列的局限性,海洋学界已经寻求替代解决方案,使用具有成本效益的观测系统监测AMOC,如具有高空间和时间覆盖范围的现有卫星和自主海洋机器人数据。这些监测AMOC的替代解决方案最近在北大西洋的几个地方进行了试验。与此同时,机器学习和建模方法的进步开始被证明对通过间接测量监测AMOC有用。RAPID和OSNAP的AMOC监测很快将分别实现20年和10年的连续测量。这些AMOC记录与替代AMOC监测方法的最新发展相结合,意味着海洋学界现在有了工具,可以大大提高我们在很长一段时间内了解北大西洋AMOC的能力。因此,MEZCAL将结合联合收割机计算的进步与最近被证明的替代方法来监测AMOC,以扩大整个北大西洋的AMOC观测的覆盖范围,并提供一个新的框架,这将使我们对AMOC变化的理解发生一步变化。该项目还将为如何建立可持续的AMOC监测系统提供建议。

项目成果

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Alejandra Sanchez-Franks其他文献

Alejandra Sanchez-Franks的其他文献

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{{ truncateString('Alejandra Sanchez-Franks', 18)}}的其他基金

NI: NEW NORMAL - NEar surface Warming in the INdian Ocean and Rainfall Monsoon Anomaly Links
NI:新常态——印度洋近地表变暖与降雨季风异常的联系
  • 批准号:
    NE/W003813/1
  • 财政年份:
    2021
  • 资助金额:
    $ 59.21万
  • 项目类别:
    Research Grant

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  • 批准号:
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  • 批准年份:
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  • 资助金额:
    17.0 万元
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Collaborative Research: NSFGEO-NERC: MEZCAL: Methods for Extending the horiZontal Coverage of the Amoc Latitudinally and back in time (MEZCAL)
合作研究:NSFGEO-NERC:MEZCAL:扩展 Amoc 纬度和时间回水平覆盖范围的方法 (MEZCAL)
  • 批准号:
    2409764
  • 财政年份:
    2023
  • 资助金额:
    $ 59.21万
  • 项目类别:
    Standard Grant
MEZCAL - Methods for Extending the horiZontal Coverage of the Amoc Latitudinally and retrospectively
MEZCAL - 横向和回顾性扩展 Amoc 水平覆盖范围的方法
  • 批准号:
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  • 财政年份:
    2023
  • 资助金额:
    $ 59.21万
  • 项目类别:
    Research Grant
Collaborative Research: NSFGEO-NERC: MEZCAL: Methods for Extending the horiZontal Coverage of the Amoc Latitudinally and back in time (MEZCAL)
合作研究:NSFGEO-NERC:MEZCAL:扩展 Amoc 纬度和时间回水平覆盖范围的方法 (MEZCAL)
  • 批准号:
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    2023
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    Standard Grant
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