Coordination Funds

2022年3月29日，德国研究共同体宣布接受优先计划2404-重建地质时期行星地球的深层动力学（DeepDyn）。DeepDyn的基本目标是利用异常长的古地磁记录，特别是反转频率的变化，重建核幔系统的演化。数值模拟表明，下地幔对发电机有多方面的影响，其中通过核幔边界的热通量的绝对值和模式影响着场的强度、场的几何形状和反转率。然而，下地幔和发电机的长期演化以及两者之间的耦合都没有得到很好的理解，这是DeepDyn的起点。解决这个难题将通过五个不同科学学科的合作来解决。(1)古地磁学，提供有关地球磁场长期演化的信息。(2)发电机模型，探索如何解释这种记录，使用材料科学家和地幔动力学家的输入。(3)地幔动力学，确定地幔的长期演化，特别是根据材料科学家和地震学家的投入重建下地幔状态。(4)矿物物理学，以约束与下地幔和地核有关的物质性质。(5)生物磁学，通过了解磁感受生物对磁场的敏感性来补充地磁记录，并使用来自趋磁细菌的磁化石作为古磁场的替代物。确保这五个主题之间的密切结合是一项具有挑战性的任务，也是本协调建议的核心。为了实现SPP 2404的目标，首先要在60-70名科学家之间建立一个良好的沟通网络，这些科学家将单独、小组和协同工作。有效的协调确保性别平等，协助早期职业科学家，并促进成果和提高我们在地方，国家和国际社会的独特奋进的认识。SPP的成功协调关键取决于有一个科学和行政（SA）经理。SA经理将与协调员和主题领导人一起确保不同工作组内部和之间的合作和科学交流。SA经理还将协调年度座谈会，每月系列研讨会和专题研讨会，监督项目预算，维护网站，并整合邀请的国际专家。该提案要求提供资金，以雇用SA经理并支持优先计划的典型活动。

On 29 March 2022, the Deutsche Forschungsgemeinschaft announced the acceptance of Priority Programme 2404-- Reconstructing the Deep Dynamics of Planet Earth over Geologic Time (DeepDyn). The fundamental goal of DeepDyn is to exploit the exceptionally long paleomagnetic record, and especially changes in reversal frequency, to reconstruct the evolution of the core-mantle system. Numerical simulations indicate that the lower mantle has a manifold impact on the dynamo where the absolute value and pattern of the heat flux through the core-mantle boundary affects the field strength, field geometry and reversal rate. However, neither the long-term evolution of the lower mantle and the dynamo nor the coupling between the two are well understood, which forms the starting point of DeepDyn. Solving this puzzle will be tackled through the collaboration of five distinct scientific disciplines. (1) Paleomagnetism, to provide information about the long-term evolution of Earth’s magnetic field. (2) Dynamo models, to explore how this record can be explained, using input from material scientists and mantle dynamicists. (3) Mantle dynamics, to define the long-term evolution of the mantle and, in particular, to reconstruct the lower-mantle state based on input from material scientists and seismologists. (4) Mineral physics, to constrain the material properties relevant to the lower mantle and core. (5) Biomagnetism, to supplement the geomagnetic record by understanding the sensitivity of magnetoreceptive organisms to magnetic fields and using magnetofossils from magnetotatic bacteria as a paleofield proxy. Ensuring close integration between these five themes is a challenging task that lies at the heart of this coordination proposal. Achieving the goals of SPP2404 begins with facilitating a good communication network among the 60-70 scientists who will work individually, in small groups and in concert. Effective coordination ensures gender equality, assisting early careers scientists, and to promote the results and raise awareness of our unique endeavor within local, national, and international communities. Successful coordination of the SPP critically depends on having a Science and Administration (SA) Manager. The SA Manager will insure the cooperation and scientific exchange within and between different working groups together with the coordinator and theme leaders. The SA Manager will also coordinate the yearly colloquia, monthly seminar series and topical workshops, oversee the project budget, maintain a website, and integrate invited international experts. This proposal requests funds to hire the SA Manager and to support the activities typical of priority programs.