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 goal of this study is to understand the coupling mechanisms by which the upper atmosphere (ca. 85-600 km) is influenced by the processes in the regions below.

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The Daedalus mission has been proposed to the European Space Agency (ESA) in response to the call for ideas for the Earth Observation programme's 10th Earth Explorer. It was selected in 2018 as one of three candidates for a Phase-0 feasibility study.

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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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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 project focuses on connecting and understanding long-term changes of the Earth’s magnetic field, paleomagnetosphere, solar variability and their implications on paleoclimate studies in an interdisciplinary manner, in particular considering geomagnetic excursions during the past 100 ka.

We study the configuration of the paleomagnetosphere and the solar variability over the past 100 ka, in particular during geomagnetic excursions, and their effects on the shielding against galactic cosmic rays and in situ cosmogenic nuclide production rates.

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This collaborative project with the University of Potsdam aims at a better understanding of uncertainties in global geomagnetic field reconstructions on centennial to millennial timescales.

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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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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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The GFZ, which looks back on many years of experience in analysis of satellite-based gravity field measurements, participates in the evaluation of GOCE data as a co-operating partner within the framework of the so called GOCE High Level Processing Facility (GOCE HPF) under the Project Management of the Technical University Munich and together with scientific institutions from Germany, France, Denmark, Italy, Austria, Switzerland and the Netherlands.

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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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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
Albert-Einstein-Straße 42-46
Building A 42, Room 227
14473 Potsdam
+49 331 288-1230
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