Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement
Geophysical Monograph Series, Page 27-82., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm +2 more
wiley +1 more source
An Impending geomagnetic transition? Hints from the past.
Frontiers in Earth Science, 2015 The rapid decrease of the geomagnetic field intensity in the last centuries has led to speculations that an attempt to a reversal or an excursion might be under way.
Carlo eLAJ, Catherine eKISSEL
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Mantle superplumes induce geomagnetic superchrons
Frontiers in Earth Science, 2015 We use polarity reversal systematics from numerical dynamos to quantify the hypothesis that the modulation of geomagnetic reversal frequency, including geomagnetic superchrons, results from changes in core heat flux related to growth and collapse of ...
Peter eOlson, Hagay eAmit
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Geochemistry, Geophysics, Geosystems, 2021 Studying paleosecular variation (PSV) can provide unique insights into the average morphology of the geomagnetic field and the operation of the geodynamo.
B. T. Handford +3 more
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The South Atlantic Anomaly: the key for a possible geomagnetic reversal
Frontiers in Earth Science, 2016 The South Atlantic Anomaly is nowadays one of the most important features of the Earth’s magnetic field. Its extent area at the Earth’s surface is continuously growing since the intensity instrumental measurements are available covering part of the ...
F. Javier ePavón-Carrasco +3 more
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Geomagnetic and ionospheric data analysis over Antarctica: a contribution to the long term trends investigation [PDF]
Annales Geophysicae, 2008 The analysis of the foF2 ionosonde data acquired at mid and high latitudes reveals a general decreasing of the F2 plasma frequency over more than two solar cycles, showing steeper trends over the high latitude stations and, in particular, over ...
L. Alfonsi +2 more
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Some new approaches to the study of the Earth's magnetic field reversals
Annals of Geophysics, 2003 Paleomagnetic studies clearly show that the polarity of the magnetic fi eld has been subject to reversals. It is generally assumed that polarity intervals are exponentially distributed.
G. Consolini, P. De Michelis
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Volcanic Record of the Last Geomagnetic Reversal in a Lava Flow Sequence From the Azores
Frontiers in Earth Science, 2020 We present paleomagnetic and geochronological data of twenty-five stacked lava flows from São Miguel Island (Azores) that were emplaced during the last geomagnetic reversal (Matuyama-Brunhes, M-B).
Julia Ricci +5 more
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GEOMAGNETIC METHOD FOR AUTOMATIC DIAGNOSTICS OF AURORAL OVAL BOUNDARIES IN TWO HEMISPHERES OF EARTH
Solar-Terrestrial Physics, 2021 The ground-based automatic method for determining auroral oval (AO) boundaries developed by the authors [Lunyushkin, Penskikh, 2019] has been modified and expanded to the Southern Hemisphere. Input data of the method contains large-scale distributions of
Yu.V. Penskikh +2 more
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Propagation of low frequency geomagnetic field fluctuations in Antarctica: comparison between two polar cap stations [PDF]
Annales Geophysicae, 2007 We conduct a statistical analysis of the coherence and phase difference of low frequency geomagnetic fluctuations between two Antarctic stations, Mario Zucchelli Station (geographic coordinates: 74.7° S, 164.1° E; corrected geomagnetic ...
L. Santarelli, S. Lepidi, L. Cafarella
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