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Cathryn N. Mitchell is a Professor of Electronic & Electronic Engineering at the
University of Bath (Virgil, Georgics II) , mottoeng = Learn the culture proper to each after its kind , established = 1886 (Merchant Venturers Technical College) 1960 (Bristol College of Science and Technology) 1966 (Bath University of Technology) 1971 (univ ...
. She was awarded the 2019
Institute of Physics Edward Appleton Medal and Prize The Edward Appleton Medal and Prize is awarded by the Institute of Physics for distinguished research in environmental, earth or atmospheric physics. Originally named after Charles Chree, the British physicist and former President of the Physica ...
.


Early life and education

Mitchell studied
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
at the
University of Wales, Aberystwyth , mottoeng = A world without knowledge is no world at all , established = 1872 (as ''The University College of Wales'') , former_names = University of Wales, Aberystwyth , type = Public , endowment = ...
. She remained there for her doctoral studies, where she explored the use of radio
tomography Tomography is imaging by sections or sectioning that uses any kind of penetrating wave. The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, astrophysics, quantu ...
to study the Earth's
ionosphere The ionosphere () is the ionized part of the upper atmosphere of Earth, from about to above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an ...
. She was awarded the
Royal Astronomical Society (Whatever shines should be observed) , predecessor = , successor = , formation = , founder = , extinction = , merger = , merged = , type = NGO ...
Keith Runcorn Prize (then Blackwell Prize) and
University of Wales The University of Wales (Welsh language, Welsh: ''Prifysgol Cymru'') is a confederal university based in Cardiff, Wales. Founded by royal charter in 1893 as a federal university with three constituent colleges – Aberystwyth, Bangor and Cardiff †...
Granville Beynon Sir William John Granville Beynon, CBE, FRS (24 May 1914 in Dunvant – 11 March 1996 in Aberystwyth) was a Welsh physicist. He co-operated with Sir Edward Victor Appleton, who had detected the terrestrial Ionosphere. Life history Willia ...
prize for her dissertation.


Research and career

Mitchell was awarded an
Engineering and Physical Sciences Research Council The Engineering and Physical Sciences Research Council (EPSRC) is a British Research Council that provides government funding for grants to undertake research and postgraduate degrees in engineering and the physical sciences, mainly to universi ...
(EPSRC) Challenging Engineering fellowship to develop algorithms for
four-dimensional A four-dimensional space (4D) is a mathematical extension of the concept of three-dimensional or 3D space. Three-dimensional space is the simplest possible abstraction of the observation that one only needs three numbers, called ''dimensions'', ...
tomography Tomography is imaging by sections or sectioning that uses any kind of penetrating wave. The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, astrophysics, quantu ...
, known MIDAS, Multi-Instrument Data Analysis Systems. She joined the
University of Bath (Virgil, Georgics II) , mottoeng = Learn the culture proper to each after its kind , established = 1886 (Merchant Venturers Technical College) 1960 (Bristol College of Science and Technology) 1966 (Bath University of Technology) 1971 (univ ...
in 1999. She has used her computational algorithms in
medical physics Medical physics deals with the application of the concepts and methods of physics to the prevention, diagnosis and treatment of human diseases with a specific goal of improving human health and well-being. Since 2008, medical physics has been incl ...
, working with the
Christie Hospital The Christie Hospital in Manchester, England, is one of the largest cancer treatment centres in Europe. It is managed by The Christie NHS Foundation Trust. History The hospital was established by a committee under the chairmanship of Richard Ch ...
and Royal United Hospital Bath to image for human movement, particularly in
Alzheimer's disease Alzheimer's disease (AD) is a neurodegeneration, neurodegenerative disease that usually starts slowly and progressively worsens. It is the cause of 60–70% of cases of dementia. The most common early symptom is difficulty in short-term me ...
. She led a fieldwork mission with the
British Antarctic Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic on ...
to
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...
, where she set up equipment at
Rothera The Rothera Research Station is a British Antarctic Survey (BAS) base on the Antarctic Peninsula, located at Rothera Point, Adelaide Island. Rothera also serves as the capital of the British Antarctic Territory, a British Overseas Territory. ...
,
Halley Halley may refer to: Science * Halley's Comet, officially designated 1P/Halley, a comet that becomes visible from Earth every 75-76 years * Halley (lunar crater), a lunar crater named after Edmond Halley * Halley (Martian crater), a Martian cra ...
and in the Shackleton Mountains. She held a Royal Society Wolfson Research Merit Award from 2009 to 2014. She is a Professor of Radio Science at the
University of Bath (Virgil, Georgics II) , mottoeng = Learn the culture proper to each after its kind , established = 1886 (Merchant Venturers Technical College) 1960 (Bristol College of Science and Technology) 1966 (Bath University of Technology) 1971 (univ ...
, where she served as Academic Director of the
University of Bath (Virgil, Georgics II) , mottoeng = Learn the culture proper to each after its kind , established = 1886 (Merchant Venturers Technical College) 1960 (Bristol College of Science and Technology) 1966 (Bath University of Technology) 1971 (univ ...
Doctoral College from 2017-2022. Mitchell developed a new
Earth observation Earth observation (EO) is the gathering of information about the physical, chemical, and biological systems of the planet Earth. It can be performed via remote-sensing technologies (Earth observation satellites) or through direct-contact sensors ...
technique that uses ground-based and satellite data to image the
ionosphere The ionosphere () is the ionized part of the upper atmosphere of Earth, from about to above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an ...
, providing information on how space weather may impact
Global Positioning System The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite sy ...
s (GPS). The technique has provided the first view of the
ionosphere The ionosphere () is the ionized part of the upper atmosphere of Earth, from about to above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an ...
in response to
space weather Space weather is a branch of space physics and aeronomy, or heliophysics, concerned with the time varying conditions within the Solar System, including the solar wind, emphasizing the space surrounding the Earth, including conditions in the ma ...
. Mitchell's research allows us to understand the origins of
space weather Space weather is a branch of space physics and aeronomy, or heliophysics, concerned with the time varying conditions within the Solar System, including the solar wind, emphasizing the space surrounding the Earth, including conditions in the ma ...
as well as identifying how to better forecast. A solar storm in
North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, one example of
space weather Space weather is a branch of space physics and aeronomy, or heliophysics, concerned with the time varying conditions within the Solar System, including the solar wind, emphasizing the space surrounding the Earth, including conditions in the ma ...
, could result in a $2.6 trillion hit to the economy. She showed that magnetospheric electric fields cause large plasma enhancements and uplifts. The
Government of the United Kingdom ga, Rialtas a Shoilse gd, Riaghaltas a Mhòrachd , image = HM Government logo.svg , image_size = 220px , image2 = Royal Coat of Arms of the United Kingdom (HM Government).svg , image_size2 = 180px , caption = Royal coat of arms of t ...
have invested several million to develop the ionosphere algorithms in MIDAS for space weather forecasts. Her algorithms have also contributed to GPS simulations developed by
Spirent Spirent Communications plc is a British Multinational corporation, multinational telecommunications testing company headquartered in Crawley, West Sussex, in the United Kingdom. It is listed on the London Stock Exchange and is a constituent of t ...
. In 2015 she was asked by the
Defence Science and Technology Laboratory The Defence Science and Technology Laboratory (Dstl) is an executive agency of the Ministry of Defence (United Kingdom), Ministry of Defence of the United Kingdom. Its stated purpose is "to maximise the impact of science and technology for the ...
to act as a UK government special adviser for the Emergencies sub group to examine infrastructure resilience to
solar storm A solar storm is a disturbance on the Sun, which can emanate outward across the heliosphere, affecting the entire Solar System, including Earth and its magnetosphere, and is the cause of space weather in the short-term with long-term patterns comp ...
s. Mitchell held a
Natural Environment Research Council The Natural Environment Research Council (NERC) is a British research council that supports research, training and knowledge transfer activities in the environmental sciences. History NERC began in 1965 when several environmental (mainly geogr ...
(NERC) Fellowship. She is also involved with
amateur radio Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communic ...
and has written for
The Conversation ''The Conversation'' is a 1974 American mystery thriller film written, produced, and directed by Francis Ford Coppola and starring Gene Hackman, John Cazale, Allen Garfield, Cindy Williams, Frederic Forrest, Harrison Ford, Teri Garr, and Rober ...
. She currently holds a Royal Society Industry Fellowship.


Awards and honours

Her awards and honours include; * 2020 Chapman Medal of the
Royal Astronomical Society (Whatever shines should be observed) , predecessor = , successor = , formation = , founder = , extinction = , merger = , merged = , type = NGO ...
* 2019
Institute of Physics Edward Appleton Medal and Prize The Edward Appleton Medal and Prize is awarded by the Institute of Physics for distinguished research in environmental, earth or atmospheric physics. Originally named after Charles Chree, the British physicist and former President of the Physica ...
* 2006 Challenging Engineering Award * 2003 Engineering and Physical Sciences Research Council Research Fellow * 1997 Keith Runcorn Prize * 1997 Royal Astronomical Society Blackwell Prize


Selected publications

* * *


References

{{DEFAULTSORT:Mitchell, Cathryn Women earth scientists British radio people Amateur radio people Alumni of the University of Wales Academics of the University of Bath Year of birth missing (living people) Living people