Section 2.3: Geomagnetism

The main focus of this Priority Programme is to quantify terrestrial transport mechanisms and solar-terrestrial interactions through data analysis and modeling. The research programme builds on data from satellites on low-Earth orbits, such as CHAMP, GRACE, and GOCE. Special focus is given to the Swarm satellite mission.

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Swarm DISC is a consortium of expert partners supporting the exploitation of the Swarm mission.

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SWAMI aims to enhance the understanding of space weather processes and their impact on atmospheric density by: developing improved atmosphere and thermosphere models; new geomagnetic activity indices; and improving the forecast capabilities of the existing and new geomagnetic activity indices.

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The aim of this study is to identify the role of atmospheric tides in the short-term variability of the global solar-quiet (Sq) current system. Atmospheric tides are global-scale waves generated mainly in the troposphere (<10 km) and stratosphere (<50 km). Tidal waves can propagate vertically into the ionosphere (>90 km), where the Sq currents flow. Understanding the tidal effect on the Sq current system is important for a better description of the Earth's magnetic field.

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The projects aims at a description of the solar-cycle related variations of the large-scale magnetospheric contributions to the geomagnetic field, which can be used to eliminate this signal from decadal geomagnetic observatory or repeat station time-series for studies of internal core field secular variation. (Project within SPP1788 - Dynamic Earth)

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In this collaborative project between CAU Kiel and GFZ in Potsdam, we aim to estimate the properties of the magnetic lithosphere on a global scale (magnetization, thickness, composition). (Project within SPP1788 - Dynamic Earth)

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Quantifying solar flux and geomagnetic main field influence on the equatorial thermosphere-ionosphere system for timescales complementary to satellite missions. (Project within SPP1788 - Dynamic Earth)

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Quantifying the electrodynamic characteristics of equatorial plasma depletions and its effects on navigatinal systems, such as GPS. (Project within SPP1788 - Dynamic Earth)

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Swarm-AEBS project will develop new products that open several new and interesting possibilities for studies related to aurora, magnetosphere- ionosphere coupling, and space weather at high latitudes.

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IPIR project aims to develop a high-level, global product based on Swarm measurements that will characterize ionospheric irregularities and fluctuations, and address the needs of the scientific community and operational users.

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This project is a part of the European Space Agency's (ESA's) Space Situational Awareness (SSA) programme, which includes the Space Weather (SWE) Segment. The objectives of this project are to coestimation of the definition and development activities within the Ionospheric Weather Expert Service Centre.

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Novel methods for the 3D reconstruction of the dynamic evolution of the Van Allen belts using multiple satellite measurements (project B06 of Collaborative Research Centre 1294 “Data Assimilation: The seamless integration of data and models”)

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For a variety of spacecraft, onboard magnetometers are used for other purposes than scientific measurements and space weather monitoring. The data from these spaceborne magnetometers can be used both for a posteriori analysis of such events, but also for near real-time space weather monitoring.

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We aim to build a new global reconstruction of the geomagnetic field spanning the past 100ka from paleomagnetic data and the information on magnetic field variations contained in cosmogenic nuclide records.

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Modeling the global behavior of the Earth's magnetic field between 10 and 50 ka using palaeomagnetic data. (Project within SPP 1488 "Planetary Magnetism")

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The mesospheric sodium layer as a remotely, optically pumped magnetometer for investigation of Birkeland currents.

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Characterization of induced tidal signals. Investigation of the influence of space weather in coastal areas, which has been intensified by the ocean effect.

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Characterization of the cooling of the Bardarbunga Dykes in Iceland.

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High resolution modeling of the crustal magnetic field of the Mars. (Project within SPP1788 - Dynamic Earth)

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On this site you will find some archived projects of the Section 2.3.

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Contact

Claudia Stolle
Section Head
Prof. Dr. Claudia Stolle
Geomagnetism
Behlertstraße 3a
Building ME, Room 07
14467 Potsdam
+49 331 288-1230
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