Geophysics is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis. Geophysicists, who usually study geophysics, physics, or one of the Earth sciences at the graduate level, complete investigations across a wide range of scientific disciplines. The term geophysics classically refers to solid earth applications: Earth's shape; its gravitational, magnetic fields, and electromagnetic fields ; its internal structure and composition; its dynamics and their surface expression in plate tectonics, the generation of magmas, volcanism and rock formation. However, modern geophysics organizations and pure scientists use a broader definition that includes the water cycle including snow and ice; fluid dynamics of the oceans and the atmosphere; electricity and magnetism in the ionosphere and magnetosphere and solar-terrestrial physics; and analogous problems associated with the Moon and other planets.
Sydney Chapman was a British mathematician and geophysicist. His work on the kinetic theory of gases, solar-terrestrial physics, and the Earth's ozone layer has inspired a broad range of research over many decades.
Aeronomy is the scientific study of the upper atmosphere of the Earth and corresponding regions of the atmospheres of other planets. It is a branch of both atmospheric chemistry and atmospheric physics. Scientists specializing in aeronomy, known as aeronomers, study the motions and chemical composition and properties of the Earth's upper atmosphere and regions of the atmospheres of other planets that correspond to it, as well as the interaction between upper atmospheres and the space environment. In atmospheric regions aeronomers study, chemical dissociation and ionization are important phenomena.
Ernest Harry Vestine was an American geophysicist and meteorologist.
The Journal of Geophysical Research is a peer-reviewed scientific journal. It is the flagship journal of the American Geophysical Union. It contains original research on the physical, chemical, and biological processes that contribute to the understanding of the Earth, Sun, and Solar System. It has seven sections: A, B, C (Oceans), D (Atmospheres), E (Planets), F, and G (Biogeosciences). All current and back issues are available online for subscribers.
Julius Bartels was a German geophysicist and statistician who made notable contributions to the physics of the Sun and Moon; to geomagnetism and meteorology; and to the physics of the ionosphere. He also made fundamental contributions to statistical methods for geophysics. Bartels was the first President of the International Association of Geomagnetism and Aeronomy (IAGA). With Sydney Chapman, he wrote the influential book Geomagnetism.
The International Union of Geodesy and Geophysics is an international non-governmental organization dedicated to the scientific study of Earth and its space environment using geophysical and geodetic techniques.
Liviu Constantinescu was a Romanian geophysicist, professor of geophysics, member of the Romanian Academy. He was the cofounder, together with Sabba S. Ștefănescu, of the Romanian school of geophysics.
The historical development of geophysics has been motivated by two factors. One of these is the research curiosity of humankind related to planet Earth and its several components, its events and its problems. The second is economical usage of Earth's resources and Earth-related hazards such as earthquakes, volcanoes, tsunamis, tides, and floods.
Colaba Observatory, also known as the Bombay Observatory, was an astronomical, timekeeping, geomagnetic and meteorological observatory located on the Island of Colaba, Mumbai (Bombay), India.
The International Real-time Magnetic Observatory Network (INTERMAGNET) is a world-wide consortium of institutes operating ground-based magnetometers recording the absolute level of the Earth's time-varying magnetic field, to an agreed set of standards. INTERMAGNET has its roots in discussions held at the Workshop on Magnetic Observatory Instruments in Ottawa, Canada, in August 1986 and at the Nordic Comparison Meeting in Chambon La Foret, France, in May 1987. A pilot scheme between USGS and BGS was described in the sessions of Division V of the International Association of Geomagnetism and Aeronomy at the 19th General Assembly of the International Union of Geodesy and Geophysics in Vancouver, Canada, in August 1987. This scheme used the GOES East satellite to successfully transfer geomagnetic data between the two organisations. INTERMAGNET was founded soon after in order to extend the network of observatories communicating in this way. 62 different institutes are now members of the INTERMAGNET consortium, and, since 1991, data have been contributed to INTERMAGNET from approximately 150 observatories. INTERMAGNET is a member of the World Data System of the International Science Council, and it is closely associated with the International Association of Geomagnetism and Aeronomy.
Valery Korepanov is a Ukrainian scientist was born on 1 July 1943 in the (former) Soviet Union. Since 1996 he has been the Scientific Director of the Lviv Centre of Institute for Space Research of National Academy of Sciences of Ukraine and State Space Agency of Ukraine.
Valeria Troitskaya was a Russian geophysicist who is known for her work on Ultra Low Frequency (ULF) waves.
The following outline is provided as an overview of and topical guide to geophysics:
The World Digital Magnetic Anomaly Map (WDMAM) was first made available by the Commission for the Geological Map of the World in 2007. Compiled with data from governments and institutes, the project was coordinated by the International Association of Geomagnetism and Aeronomy, and was presented by Mike Purucker of NASA and Colin Reeves of the Netherlands. As of 2007, it was considered to be "the first truly global compilation of lithospheric magnetic field observations." and further improvements dated to 2009 relate to the full spectrum magnetic anomaly grid of the United States and also data of global marine magnetic anomaly.
Kathryn Anne "Kathy" Whaler OBE FRSE FAGU is a professor of geophysics at the University of Edinburgh School of GeoSciences, in the Research Institute of Earth and Planetary Science and is a member of the Solid Earth Geophysics and Natural Hazards Research Group.
Alexander Crichton Mitchell FRSE, named in some sources as Arthur Crichton Mitchell, was a Scottish physicist with a special interest in geomagnetics who worked for many years in India as a professor and head of a meteorological observatory before returning to Scotland. He then worked with the Royal Navy to devise a system, known as an anti-submarine indicator loop, for detecting submarines by detecting currents induced in a loop of wire on the sea floor.
Jo Ann Cram Joselyn is an astrogeophysicist. She was the first woman to receive a doctorate from the University of Colorado's astrogeophysics program, and has advocated for the importance of women's leadership in the sciences.
Mioara Mandea is Head "Science Coordination" Department, Strategy Directorate at the Centre National d'Etudes Spatiales. She won the 2018 European Geosciences Union Petrus Peregrinus Medal and has previously served as their General Secretary. She is Officer, National Order of Merit (2023). She is best known for her work on geomagnetic jerks, sub-decadal changes in the Earth's magnetic field.
The International Association of Meteorology and Atmospheric Sciences (IAMAS) is a non-governmental organization promoting atmospheric sciences through conferences, workshops and publications. IAMAS and its commissions bring together experts from around the world to enhance scientific understanding and prediction of the atmosphere’s behavior and its connections to and effects on other components of the Earth’s geophysical system. IAMAS is one of eight associations of the International Union of Geodesy and Geophysics (IUGG). It was created in July 1919 as "The Meteorology Section" of IUGG and was renamed "The International Association and of Meteorology" in 1957. Since 1993, it has been called "The International Association of Meteorology and Atmospheric Sciences."
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