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Journal articles on the topic 'Terrestrial magnetism'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 January 2023

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1

Udías, S.J., Agustín. "Athanasius Kircher and Terrestrial Magnetism: The Magnetic Map." Journal of Jesuit Studies 7, no. 2 (2020): 166–84. http://dx.doi.org/10.1163/22141332-00702002.

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Athanasius Kircher paid special attention to magnetism, more specifically terrestrial one, in his work Magnes sive de arte magnetica. Other Jesuits of his time, such as Garzoni and Cabeo, also wrote on this subject. Kircher studied in particular magnetic declination and its possible use to determine geographical longitudes. At his time, this was an important subject for long sea journeys. First, he collected a large number of observations of magnetic declination from different sources in three tables and two lists with a total of 518 values, among them forty-three made by Jesuits. Kircher prop

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2

Gumarova, L., and G. Cornelissen. "Terrestrial and solar magnetism’ influence to diphtheria pandemics." International Journal of Biology and Chemistry 9, no. 2 (2016): 4–10. http://dx.doi.org/10.26577/2218-7979-2016-9-2-4-10.

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3

ENEBAKK, VIDAR. "Hansteen's magnetometer and the origin of the magnetic crusade." British Journal for the History of Science 47, no. 4 (2013): 587–608. http://dx.doi.org/10.1017/s0007087413000903.

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AbstractIn the early nineteenth century, Norwegian mathematician and astronomer Christopher Hansteen (1784–1873) contributed significantly to international collaboration in the study of terrestrial magnetism. In particular, Hansteen was influential in the origin and orientation of the magnetic lobby in Britain, a campaign which resulted in a global network of fixed geomagnetic observatories. In retrospect, however, his contribution was diminished, because his four-pole theory inUntersuchungen der Magnetismus der Erde(1819) was ultimately refuted by Carl Friedrich Gauss inAllgemeine Theorie des

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4

McConnell, Anita. "Surveying terrestrial magnetism in time and space." Archives of Natural History 32, no. 2 (2005): 346–60. http://dx.doi.org/10.3366/anh.2005.32.2.346.

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Charts marked with the lines of magnetic variation have been published since Halley's Atlantic chart of 1701. It was already known that the location of the magnetic poles shifted over time, and that the north and south poles were not diametrically opposite. As more seafarers penetrated the Southern Ocean, isogons on the charts were extended southwards with greater confidence. At sea variation was measured by comparing compass direction with the Sun's midday shadow. In polar regions, where horizontal force is too weak to attract a compass needle, the location of the pole was sought by observing

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5

Tachinami, Chihiro, Hiroki Senshu, and Shigeru Ida. "Thermal evolution and magnetism of terrestrial planets." Proceedings of the International Astronomical Union 3, S249 (2007): 159–62. http://dx.doi.org/10.1017/s1743921308016542.

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AbstractWe evaluate a numerical model on the thermal evolution of terrestrial planets to estimate life-time of planetary intrinsic magnetic field for various mass planets. In this model, we take into account the pressure-dependency of density profile of the planet by using Birch-Murnaghun equation of state, and simulate thermal evolution of the planet by means of mixing length theory. According to our numerical results, the planetary mass must be between 0.1 and 1.4 Earth mass to sustain the intrinsic magnetic field for 4.5Gyr. If existence of intrinsic magnetic field were a key factor to make

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6

Gubbins, David. "Terrestrial Magnetism: Historical Perspectives and Future Prospects." Space Science Reviews 155, no. 1-4 (2010): 9–27. http://dx.doi.org/10.1007/s11214-010-9675-6.

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7

SVENONIUS, ERIC OLAUSSON AND BJÖRN. "The relation between glacial ages and terrestrial magnetism." Boreas 2, no. 3 (2008): 109–15. http://dx.doi.org/10.1111/j.1502-3885.1973.tb00250.x.

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8

Josefowicz, Diane Greco. "Experience, Pedagogy, and the Study of Terrestrial Magnetism." Perspectives on Science 13, no. 4 (2005): 452–94. http://dx.doi.org/10.1162/106361405775466108.

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9

Udías, Agustín. "Jesuits and the Natural Sciences in Modern Times, 1814–2014." Brill Research Perspectives in Jesuit Studies 1, no. 3 (2019): 1–104. http://dx.doi.org/10.1163/25897454-12340003.

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Abstract After their restoration of 1814, the Jesuits made significant contributions to the natural sciences, especially in the fields of astronomy, meteorology, seismology, terrestrial magnetism, mathematics, and biology. This narrative provides a history of the Jesuit institutions in which these discoveries were made, many of which were established in countries that previously had no scientific institutions whatsoever, thus generating a scientific and educational legacy that endures to this day. The essay also focuses on the teaching and research that took place at Jesuit universities and se

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10

OZCEP, FERHAT. "TERRESTRIAL MAGNETISM IN THE OTTOMAN EMPIRE: DOCUMENTS AND MEASUREMENTS." Earth Sciences History 37, no. 1 (2018): 1–24. http://dx.doi.org/10.17704/1944-6178-37.1.1.

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ABSTRACT Geophysics, in the modern sense, started with geomagnetic works in the 1600s in the Ottoman Empire. The period between 1600 and 1800 included the measurement of magnetic declination, inclination and magnetic field strength. Before that time, there was only a little information available, such as how to use a compass, for example in the Kitab-i Bahriye (the Book of Navigation) by Piri Reis, one of the most important mariners of the Ottoman Empire. However, this may not mean that magnetic declination was generally understood. The first Turkish scientific book relating to terrestrial mag

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11

Nakata, Shuhei. "Estimation of Terrestrial Magnetism on High-Gain Electron Synchrotron." Japanese Journal of Applied Physics 31, Part 1, No. 8 (1992): 2626–30. http://dx.doi.org/10.1143/jjap.31.2626.

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12

Buzin, Vladimir, Dmitry Edemsky, Sergey Gudoshnikov, et al. "Search for Chelyabinsk Meteorite Fragments in Chebarkul Lake Bottom (GPR and Magnetic Data)." Journal of Telecommunications and Information Technology, no. 3 (2017): 69–78. http://dx.doi.org/10.26636/jtit.2017.120817.

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The paper summarizes experimental efforts of the Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN) undertaken in search of the biggest part of Chelyabinsk meteorite in the bottom of lake Chebarkul, South Ural, Russia, and to estimate the ecological effects of its subsequent excavation.

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13

Good, Gregory A. "From terrestrial magnetism to geomagnetism: disciplinary transformation in the twentieth century." Geological Society, London, Special Publications 192, no. 1 (2002): 229–39. http://dx.doi.org/10.1144/gsl.sp.2002.192.01.12.

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14

Brekke, Asgeir, and Alv Egeland. "Christopher Hansteen (1784–1873): A pioneer in the study of terrestrial magnetism." Eos, Transactions American Geophysical Union 67, no. 15 (1986): 185. http://dx.doi.org/10.1029/eo067i015p00185.

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15

Warner, Deborah. "Terrestrial Magnetism: For the Glory of God and the Benefit of Mankind." Osiris 9 (January 1994): 66–84. http://dx.doi.org/10.1086/368730.

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16

MAESAKO, Takanori, and Toshihide KOIKE. "Measurement of coordination of eye and head movements by sensor of terrestrial magnetism." Japanese Journal of Physiological Psychology and Psychophysiology 11, no. 2 (1993): 69–76. http://dx.doi.org/10.5674/jjppp1983.11.69.

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17

Badyukov, Dmitrii D., Natalia S. Bezaeva, Pierre Rochette, et al. "Experimental shock metamorphism of terrestrial basalts: Agglutinate-like particle formation, petrology, and magnetism." Meteoritics & Planetary Science 53, no. 1 (2017): 131–50. http://dx.doi.org/10.1111/maps.13006.

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18

Hulot, Gauthier, André Balogh, Ulrich R. Christensen, Catherine G. Constable, Mioara Mandea, and Nils Olsen. "The Earth’s Magnetic Field in the Space Age: An Introduction to Terrestrial Magnetism." Space Science Reviews 155, no. 1-4 (2010): 1–7. http://dx.doi.org/10.1007/s11214-010-9703-6.

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19

Barton, Charles, Doug Morrison, and Adrian Hitchman. "Georg von Neumayer’s legacy in geomagnetism." Proceedings of the Royal Society of Victoria 123, no. 1 (2011): 62. http://dx.doi.org/10.1071/rs11062.

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Terrestrial magnetism—its temporal and spatial manifestations and origins—has fascinated humans for 2000 years and has long been exploited for navigation. But not until the 19th and early 20th century was systematic mapping and observation of the field undertaken on a global scale, a satisfactory mathematical theory of magnetism developed, and a dynamo origin in the core identified. Georg von Neumayer was one of the leading luminaries who laid the observational basis for these advances. His principal contributions were in persistent and meticulous observation of earth and space science phenome

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20

ReVelle, Douglas O. "A tribute to the life and work of George W. Wetherill: Some reflections of his career at DTM." Proceedings of the International Astronomical Union 2, S236 (2006): xxi—xxiv. http://dx.doi.org/10.1017/s1743921307002992.

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George Wetherill and I worked together as scientific collaborators when I was a postdoctoral fellow in 1977-1978 at the Department of Terrestrial Magnetism (DTM) of the Carnegie Institution of Washington (CIW) in Washington, D.C. We worked on problems of meteoroids interacting in Earth's atmosphere along with Richard McCrosky at Harvard College Observatory and Zdeněk Ceplecha at the Ondřejov Observatory in Czechoslovakia and also with Sundar Rajan who had already arrived at DTM from the University of California at Berkeley before me.

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21

Subramani, Tamilarasan, Kristina Lilova, Mykola Abramchuk, Kurt D. Leinenweber, and Alexandra Navrotsky. "Greigite (Fe3S4) is thermodynamically stable: Implications for its terrestrial and planetary occurrence." Proceedings of the National Academy of Sciences 117, no. 46 (2020): 28645–48. http://dx.doi.org/10.1073/pnas.2017312117.

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Iron sulfide minerals are widespread on Earth and likely in planetary bodies in and beyond our solar system. Using measured enthalpies of formation for three magnetic iron sulfide phases: bulk and nanophase Fe3S4spinel (greigite), and its high-pressure monoclinic phase, we show that greigite is a stable phase in the Fe–S phase diagram at ambient temperature. The thermodynamic stability and low surface energy of greigite supports the common occurrence of fine-grained Fe3S4in many anoxic terrestrial settings. The high-pressure monoclinic phase, thermodynamically metastable below about 3 GPa, sho

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22

Jenkins, P. A., R. W. Duck, J. S. Rowan, and J. Walden. "Fingerprinting of bed sediment in the Tay Estuary, Scotland: an environmental magnetism approach." Hydrology and Earth System Sciences 6, no. 6 (2002): 1007–16. http://dx.doi.org/10.5194/hess-6-1007-2002.

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Abstract. Sediment fingerprinting is commonly used for sediment provenance studies in lakes, rivers and reservoirs and on hillslopes and floodplains. This investigation explores the mixing of terrestrial and marine-derived sediment in the Tay Estuary, Scotland, using mineral magnetic attributes for fingerprinting. Samples representative of the estuary sediments and of four sources (end-members) were subjected to a suite of magnetic susceptibility and remanence measurements. Sediment samples from the beds of the Rivers Tay and Earn represented fluvial inputs while samples from the Angus and Fif

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23

Sano, Yasuharu, and Hiroshi Nagano. "Early history of sudden commencement investigation and some newly discovered historical facts." History of Geo- and Space Sciences 12, no. 2 (2021): 131–62. http://dx.doi.org/10.5194/hgss-12-131-2021.

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Abstract. The history of the research on the SC (sudden commencement) of magnetic storms before World War II is studied in this paper. Since geomagnetic research activities before World War II are still not yet fully known, this paper aims to reveal some historical facts related to SC investigation at that time. The first conclusion of this paper is the possible first discoverer of the simultaneity of SC at distant locations. We show that a Portuguese scientist had already pointed it out 16 years earlier than believed. The second conclusion is the role and activities of Aikitu Tanakadate as th

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24

Good, Gregory A. "Scientific Sovereignty: Canada, the Carnegie Institution and the Earth's Magnetism in the North." Scientia Canadensis 14, no. 1-2 (2009): 3–37. http://dx.doi.org/10.7202/800299ar.

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ABSTRACT In 1905, magnetic survey work began under the auspices of the Department of Terrestrial Magnetism of the Carnegie Institution of Washington directed by Louis Agricola Bauer. The DTI, wanting world-wide coverage, wished to make observations in Canada but this raised the question of sovereignty. Although the DTI was not a government agency, it was foreign. The impact of its work in Canada was to stimulate geophysical research by the Canadian Meteorological Service and by the Dominion Observatory. This research was undertaken in the context of interdepartmental rivalry which finally resu

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25

Hackmann, Willem. "Instrument and Reality: The Case of Terrestrial Magnetism and the Northern Lights (Aurora Borealis)." Royal Institute of Philosophy Supplement 38 (March 1995): 29–51. http://dx.doi.org/10.1017/s135824610000727x.

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In recent years there has been an increasing focus on the role of instruments in the study of nature, both by historians and by philosophers of science, and even by a few art historians who are interested by the images produced by these devices.

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26

Yeh, Sheng‐Cheng, Chuan‐Jiang Lai, Fuan Tsai, and Yih‐Shyh Chiou. "Research on calibration‐free fingerprinting positioning techniques based on terrestrial magnetism databases for indoor environments." IET Radar, Sonar & Navigation 16, no. 5 (2022): 896–911. http://dx.doi.org/10.1049/rsn2.12228.

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27

Ohno, Michitoshi, Takashi Tokita, Yasunari Shibata, Tsuyoshi Ohkawa, and Hideo Miyata. "Active Head Oscillation Vestibular Testing with a Terrestrial Magnetism Sensor. Reference lntervals in Healthy Subjects." Equilibrium Research 54, no. 2 (1995): 225–35. http://dx.doi.org/10.3757/jser.54.225.

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28

Goldie, A. H. R. "Some problems of modern meteorology, no. 10 terrestrial magnetism-the magnetic variations of short duration." Quarterly Journal of the Royal Meteorological Society 59, no. 248 (2007): 3–16. http://dx.doi.org/10.1002/qj.49705924803.

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29

Crispino, Luís C. B. "Expeditions for the observation in Sobral, Brazil, of the May 29, 1919 total solar eclipse." International Journal of Modern Physics D 27, no. 11 (2018): 1843004. http://dx.doi.org/10.1142/s0218271818430046.

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I report on the three expeditions organized to observe, in the Brazilian State of Ceará, the total solar eclipse on May 29, 1919. Apart from the well-known British expedition, which aimed to perform measurements of the bending of stellar light rays passing near the Sun, resulting in the confirmation of Einstein’s Theory of General Relativity, there were two other expeditions in that occasion. One has been a Brazilian expedition, organized by the National Observatory, with the aim of studying the solar corona. The other has been a North-American expedition, organized by the Carnegie Institution

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Mizuno, Akihiko, Naoki Nakamura, Hiroshi Yoshikawa, et al. "New method of Helmholtz coil alignment." Journal of Synchrotron Radiation 5, no. 3 (1998): 389–91. http://dx.doi.org/10.1107/s0909049597013198.

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A new alignment method for Helmholtz coils is proposed. This method is based on a probe, whose axis is the same as the alignment axis. This probe includes one magnetic sensor, whose position is slightly shifted from the probe axis, and which is set perpendicular to the axis. Using this probe, the tilt and shift of the magnetic centre of Helmholtz coils can be aligned to within an order of 0.1 mrad and 0.1 mm, respectively. Moreover, by this method, effects of terrestrial magnetism and tilt of the magnetic sensor can be removed from the measurement. This alignment method is presented along with

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Brundtland, Terje. "Of men and instruments: The Norwegian Aurora Expedition to the Arctic, 1902–1903." Polar Record 54, no. 1 (2018): 53–64. http://dx.doi.org/10.1017/s0032247418000141.

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ABSTRACTIn 1902, the Norwegian Professor Kristian Birkeland organised an expedition to the Arctic for studies of the aurora borealis, terrestrial magnetism and cirrus clouds. He established four stations at different locations—northern Norway, Iceland, Spitsbergen and Novaya Zemlya—all equipped with a similar set of scientific instruments. Using an extended concept of a scientific instrument, it is shown here that not only the instruments themselves, but also the external equipment, buildings and camp-facilities, as well as the manual work performed by the expedition members all played a role

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RICCA, RENZO L., and BERNARDO NIPOTI. "GAUSS' LINKING NUMBER REVISITED." Journal of Knot Theory and Its Ramifications 20, no. 10 (2011): 1325–43. http://dx.doi.org/10.1142/s0218216511009261.

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In this paper we provide a mathematical reconstruction of what might have been Gauss' own derivation of the linking number of 1833, providing also an alternative, explicit proof of its modern interpretation in terms of degree, signed crossings and intersection number. The reconstruction presented here is entirely based on an accurate study of Gauss' own work on terrestrial magnetism. A brief discussion of a possibly independent derivation made by Maxwell in 1867 completes this reconstruction. Since the linking number interpretations in terms of degree, signed crossings and intersection index p

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Riverso, Nicla. "Behind the Scenes: Paolo Sarpi, a Natural Philosopher Friar." Journal of Early Modern Studies 9, no. 1 (2020): 67–97. http://dx.doi.org/10.5840/jems2020913.

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My article explores Paolo Sarpi’s achievements in natural philosophy in order to define his contribution to the intellectual milieu of his time. Sarpi’s role as a natural philosopher has been underestimated, due to the fact that his research has been unpublished and has largely perished: his works on natural philosophy and his scientific discoveries were recorded in his private papers and diaries, kept in the Servite monastery in Venice, which was entirely destroyed by fire in 1769. I explain how Sarpi, because of his conflicts and strained relations with the Church of Rome, did not want to pu

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Wolfers, Pierre, Gerard Fillion, B. Ouladdiaf, Rafik Ballou, and P. Rochette. "The Pyrrhotite 32 K Magnetic Transition." Solid State Phenomena 170 (April 2011): 174–79. http://dx.doi.org/10.4028/www.scientific.net/ssp.170.174.

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Pyrrhotite [1] is a common ferrimagnetic mineral in terrestrial rocks and has been identified recently as the major remanence carrier in Martian rocks, as in SNC (Shergotty-Nakhla-Chassigny) type meteorites. This compound undergoes a low temperature magnetic transition around 32 K with a change in the natural magnetic remanence [2]. This transition is going to be of growing importance in paleomagnetism and rock magnetism. To determine the structure change at 32K neutron diffraction was performed on two crystal samples at 50K and 20K (D10-ILL). Based on the magnetic torque measurements, perform

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Glassmeier, K. H., and B. T. Tsurutani. "Carl Friedrich Gauss – General Theory of Terrestrial Magnetism – a revised translation of the German text." History of Geo- and Space Sciences 5, no. 1 (2014): 11–62. http://dx.doi.org/10.5194/hgss-5-11-2014.

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Abstract. This is a translation of the Allgemeine Theorie des Erdmagnetismus published by Carl Friedrich Gauss in 1839 in the Resultate aus den Beobachtungen des Magnetischen Vereins im Jahre 1838. The current translation is based on an earlier translation by Elizabeth Juliana Sabine published in 1841. This earlier translation has been revised, corrected, and extended. Numerous biographical comments on the scientists named in the original text have been added as well as further information on the observational material used by Carl Friedrich Gauss. An attempt is made to provide a readable text

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Okuzumi, Hideyuki, Atsushi Tanaka, Kouichi Haishi, and Tadayuki Sasaki. "Effect of Tone on Directional Orientation during Stepping in Place with Eyes Closed." Perceptual and Motor Skills 80, no. 3 (1995): 719–22. http://dx.doi.org/10.2466/pms.1995.80.3.719.

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To examine the effect of a tone on directional orientation during stepping in place with eyes closed 10 healthy adults ages 20 to 27 years stepped in place for 120 seconds with eyes closed in 3 conditions: without a tone, with 1000-Hz pure tone, and with white noise. To examine how the subject rotated in stepping, both range and dispersion of the head's angular displacement were measured by a compass sensitive to terrestrial magnetism. Analysis showed that white noise was effective for directional orientation during stepping. Also, in the pure-tone condition, angular displacement of the head w

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Kuznetsov, Vladimir D. "Space research at the Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences." Physics-Uspekhi 53, no. 5 (2010): 528–34. http://dx.doi.org/10.3367/ufne.0180.201005l.0554.

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Kuznetsov, Vladimir D. "Space research at the Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences." Uspekhi Fizicheskih Nauk 180, no. 5 (2010): 554. http://dx.doi.org/10.3367/ufnr.0180.201005l.0554.

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Wang, Jessica. "Physics, Emotion, and the Scientific Self: Merle Tuve’s Cold War." Historical Studies in the Natural Sciences 42, no. 5 (2012): 341–88. http://dx.doi.org/10.1525/hsns.2012.42.5.341.

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This essay brings together and builds upon histories of cold war American science and studies of objectivity, scientific personae, and the self by exploring the physicist Merle A. Tuve‘s career in the late 1940s and 1950s as a history of selfhood and the emotional dimensions of scientific identity. As director of the Department of Terrestrial Magnetism at the Carnegie Institution of Washington after World War II, Tuve followed a convoluted path through the institutions, politics, identities, and sensibilities of science in the cold war, and he struggled to preserve a sense of meaning and ident

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Ferreirós, José. "Gauss and the Mathematical Background to Standardisation." HoST - Journal of History of Science and Technology 14, no. 1 (2020): 32–51. http://dx.doi.org/10.2478/host-2020-0003.

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AbstractOur aim is to explore the links between standardisation, the quantifying spirit, and the discipline mathematics. To do so, we consider the work of Gauss, renowned as a pure mathematician, but professionally an astronomer, and one heavily engaged with all kinds of measuring and precision initiatives. He contributed to the mathematical correction of data with the method of least squares; to observations of high precision in his geodetic work; to the introduction of absolute measures in his collaborations with Weber on terrestrial magnetism; and to the rationalisation of weights and measu

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Quilty, Patrick. "Neumayer in Australia: his scientific legacy." Proceedings of the Royal Society of Victoria 123, no. 1 (2011): 11. http://dx.doi.org/10.1071/rs11011.

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Georg von Neumayer (1826-1909) is a major figure in the history of Australian and Antarctic science. He came to Australia twice, in 1852 and 1857–1864, the first time as a sailor and the second as the scientist who established the Flagstaff Observatory in Melbourne. He came here at a time when the scientific tradition was firmly established in Europe (its home) but new to Australia where there was little or no homegrown scientific establishment. His main contributions are in the fields of terrestrial magnetism, the early days of oceanography, and the potential of polar research. He built and m

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Sung, Hyong-Mi. "Application of Dates of Terrestrial Magnetism to Archaeological Remains - Centered on a Charcoal Kiln with Side Window at Maegokdong, Ulsan -." Journal of the Korea Contents Association 8, no. 12 (2008): 214–21. http://dx.doi.org/10.5392/jkca.2008.8.12.214.

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Halberg, Franz, Deborah Powell, Kuniaki Otsuka, et al. "Diagnosing vascular variability anomalies, not only MESOR-hypertension." American Journal of Physiology-Heart and Circulatory Physiology 305, no. 3 (2013): H279—H294. http://dx.doi.org/10.1152/ajpheart.00212.2013.

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Chronobiology is the study of biological rhythms. Chronomics investigates interactions with environmental cycles in a genetically coded autoresonance of the biosphere with wrangling space and terrestrial weather. Analytical global and local methods applied to human blood pressure records of around-the-clock measurements covering decades detect physiological-physical interactions, a small yet measurable response to solar and terrestrial magnetism. The chronobiological and chronomic interpretation of ambulatory blood pressure monitoring (C-ABPM) records in the light of time-specified reference v

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Lone, Aasif Mohmad, Hema Achyuthan, Rayees Ahmad Shah, et al. "Paleoenvironmental shifts spanning the last ~6000 years and recent anthropogenic controls inferred from a high-altitude temperate lake: Anchar Lake, NW Himalaya." Holocene 30, no. 1 (2019): 23–36. http://dx.doi.org/10.1177/0959683619865599.

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Integrating multiproxy results (geochemistry, mineral magnetism, grain size, and C/N ratio variability supported by 14C AMS dating), obtained from a 1.4-m sediment core retrieved from high-altitude Anchar Lake, Kashmir Valley, NW Himalaya, we present a 6000-years record of paleoenvironmental and paleolimnological shifts. Phase 1 (6000–4700 cal. yr BP) revealed a wetter climate with a significant terrestrial input corresponding to the gradual strengthening of the westerlies. Phase 2 (4700–3900 cal. yr BP) reflects an overall improved westerly precipitation and autochthonous sources of organic m

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Hamouda, Samir Ahmed, Nada Eaz-Alden Emgau, Rabab Muftah Bohagar, and Aisha Mohammed Eissa. "STUDY OF PLANETARY MAGNETIC FIELDS." International Journal of Research -GRANTHAALAYAH 5, no. 3 (2017): 29–44. http://dx.doi.org/10.29121/granthaalayah.v5.i3.2017.1752.

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Magnetic fields are an important phenomenon in the solar system and beyond. Their causes are complex and have a variety of effects on their surroundings; they have become a critical tool for the exploration of solar system bodies. Magnetic fields play a very important role in the Sun. From sunspots to coronal heating, from solar ares to coronal mass ejections all these apparently diverse phenomena have magnetic fields as their ultimate cause. The study of the terrestrial dynamo is a difficult problem made more so by the inability to construct planetary-scale dynamos for laboratory study. Howev

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Kuznetsov, Vladimir D. "N V Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of the Russian Academy of Sciences (IZMIRAN) yesterday, today, tomorrow." Uspekhi Fizicheskih Nauk 185, no. 6 (2015): 632–42. http://dx.doi.org/10.3367/ufnr.0185.201506g.0632.

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Kuznetsov, V. D. "N V Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of the Russian Academy of Sciences (IZMIRAN) yesterday, today, tomorrow." Physics-Uspekhi 58, no. 6 (2015): 590–600. http://dx.doi.org/10.3367/ufne.0185.201506g.0632.

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Andrews, John T., Aslaug Geirsdóttir, Jórunn Hardardóttir, et al. "Distribution, sediment magnetism and geochemistry of the Saksunarvatn (10 180 ± 60 cal. yr BP) tephra in marine, lake, and terrestrial sediments, northwest Iceland." Journal of Quaternary Science 17, no. 8 (2002): 731–45. http://dx.doi.org/10.1002/jqs.727.

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Golden, Steven, Lara S. Wagner, Brian Schleigh, et al. "Digitization of the Carnegie Analog Broadband Instruments Tape Records (1965–1996)." Seismological Research Letters 91, no. 3 (2020): 1441–51. http://dx.doi.org/10.1785/0220190334.

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Abstract Between 1965 and 2003, the Carnegie Institution of Washington’s Department of Terrestrial Magnetism operated a continuous network of nine broadband seismographs with locations in South America, Japan, Iceland, Papua New Guinea, and Washington, D.C. The Carnegie seismographs designed in the 1960s by Selwyn Sacks were among the earliest broadband instruments, sensing between at least 30 s and ∼30 Hz. Given the scarcity of historic seismic data of comparable bandwidth and dynamic range prior to the widespread shift to force-feedback instruments and digital recording around the mid-1980s,

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Ismail-Zadeh, Alik, and Jo Ann Joselyn. "IUGG: beginning, establishment, and early development (1919–1939)." History of Geo- and Space Sciences 10, no. 1 (2019): 25–44. http://dx.doi.org/10.5194/hgss-10-25-2019.

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Abstract. The International Union of Geodesy and Geophysics (IUGG) was established in 1919 to promote activities of already-existing international scientific societies dealing with geodesy, terrestrial magnetism and electricity, meteorology, physical oceanography, seismology, and volcanology. At the first General Assembly a Section of scientific hydrology was added, making a total of seven Sections of the Union. This paper introduces IUGG by presenting its current mission, structure, partners, and programs; discussing various international geophysical efforts before its origin; and describing

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