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J. Stewart Marshall
John Stewart Marshall (18 July 1911 – 20 March 1992) was a Canadian physicist and meteorologist. Researcher for the Canadian government during the Second World war and then professor at McGill University from 1945 until his retirement in 1979, he was renowned for his research in cloud physics and precipitation, but especially for being a pioneer of weather radar. Biography Early life Stewart Marshall was born on July 18, 1911 in Welland, Ontario, Canada. He attended Queen's University in Kingston, where he got in 1931 a bachelor's degree in Physics and Mathematics, and graduated a master's degree in 1933 with a dissertation on scattering of electrons by metallic foils. After pausing to cure tuberculosis, he entered Cambridge University on a scholarship to study nuclear physics. Second World War Marshall was recalled to Canada in 1939 to join the National Research Council of Canada in Ottawa and participate in the war effort. In Canada, he first worked on ballistics prob ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dawson College
Dawson College (French: ''Collège Dawson)'' is an English-language public general and vocational college in Montreal, Quebec, Canada. The college is situated near the heart of Downtown Montreal in a former nunnery on approximately 12 acres (5 ha) of green space. It is the largest CEGEP in the province of Quebec, with a student population of approximately 8,000 day students and 3,000 evening students enrolled in more than 30 fields of study. History In September 1945, McGill University established a satellite campus called Sir William Dawson College at the Royal Canadian Air Force base in St. Johns (now Saint-Jean-sur-Richelieu), Quebec. This first incarnation of the college was set up to handle the overflow registration of servicemen after the Second World War. Populated mainly by engineering and science students who were required to live onsite, the college operated for five years. It was named after Sir William Dawson, a principal of McGill University from 1855 to 18 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Patterson Medal
The Patterson Distinguished Service Medal is awarded by the Meteorological Service of Canada The Meteorological Service of Canada (MSC; french: Service météorologique du Canada – SMC) is a division of Environment and Climate Change Canada, which primarily provides public meteorological information and weather forecasts and warnings o ... (MSC) to residents of Canada for services rendered to meteorology. The award was created in honor of Mr. John Patterson, a meteorologist who served as director and controller of the MSC from 1929 to 1946, an important period in his development.. The Patterson Medal was awarded for the first time in 1954 to its namesake after enough funds have been collected. It is considered the most important award for the recognition of exceptional work done in meteorology by Canadians. This is not a distinction of the Canadian Meteorological and Oceanographic Society, but it is customary to announce its award during the Canadian Meteorological Congress. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellow Of The Royal Society Of Canada
Fellowship of the Royal Society of Canada (FRSC) is an award granted to individuals that the Royal Society of Canada judges to have "made remarkable contributions in the arts, the humanities and the sciences, as well as in Canadian public life". , there are more than 2,000 living Canadian fellows, including scholars, artists, and scientists such as Margaret Atwood, Philip J. Currie, David Suzuki, Stephen Waddams, and Demetri Terzopoulos. There are four types of fellowship: # Honorary fellows (a title of honour A title of honor or honorary title is a title bestowed upon individuals or organizations as an award in recognition of their merits. Sometimes the title bears the same or nearly the same name as a title of authority, but the person bestowed d ...) # Regularly elected fellows # Specially elected fellows # Foreign fellows (neither residents nor citizens of Canada) References Academic awards Royal Society of Canada Fellows of learned societies of Canada 188 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellow Of The American Meteorological Society
The American Meteorological Society (AMS) is the premier scientific and professional organization in the United States promoting and disseminating information about the atmospheric, oceanic, and hydrologic sciences. Its mission is to advance the atmospheric and related sciences, technologies, applications, and services for the benefit of society. Background Founded on December 29, 1919, by Charles Franklin Brooks at a meeting of the American Association for the Advancement of Science in St. Louis and incorporated on January 21, 1920, the American Meteorological Society has a membership of more than 13,000 weather, water, and climate scientists, professionals, researchers, educators, students, and enthusiasts. AMS offers numerous programs and services in the sphere of water, weather and climate sciences. It publishes eleven atmospheric and related oceanic and hydrologic journals (in print and online), sponsors as many as twelve conferences annually, and administers professional ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Journal Of Meteorology
The ''Journal of the Atmospheric Sciences'' (until 1962 titled ''Journal of Meteorology'') is a scientific journal published by the American Meteorological Society. It covers basic research related to the physics, dynamics, and chemistry of the atmosphere of Earth and other planets, with emphasis on the quantitative and deductive aspects of the subject. See also * List of scientific journals in earth and atmospheric sciences A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby unio ... References External links * English-language journals Monthly journals Publications established in 1944 American Meteorological Society academic journals {{climate-journal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Union Of Radio Science
The International Union of Radio Science (abbreviated ''URSI'', after its French name, french: link=no, Union radio-scientifique internationale) is one of 26 international scientific unions affiliated to the International Council for Science (ICSU). History and objectives URSI was officially created in 1919, during the Constitutive Assembly of the International Research Council (now ICSU), based on the earlier french: link=no, Commission Internationale de Telegraphie sans Fil (1913–1914) when the only radio communication system was radiotelegraphy. It has held a general assembly every three years from 1922. Fifty years ago URSI was one of the most important promoters of the International Geophysical Year. It co-sponsors the ''Radio Science'' journal (co-sponsored by the American Geophysical Union) as well as the ''Journal of Atmospheric and Solar-Terrestrial Physics''. URSI's original objective (to encourage "scientific studies of radiotelegraphy, especially those which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Meteorological Society
The American Meteorological Society (AMS) is the premier scientific and professional organization in the United States promoting and disseminating information about the Atmospheric sciences, atmospheric, Oceanography, oceanic, and Hydrology, hydrologic sciences. Its mission is to advance the atmospheric and related sciences, technologies, applications, and services for the benefit of society. Background Founded on December 29, 1919, by Charles Franklin Brooks at a meeting of the American Association for the Advancement of Science in St. Louis and incorporated on January 21, 1920, the American Meteorological Society has a membership of more than 13,000 weather, water, and climate scientists, professionals, researchers, educators, students, and enthusiasts. AMS offers numerous programs and services in the sphere of water, weather and climate sciences. It publishes eleven atmospheric and related oceanic and hydrologic journals (in print and online), sponsors as many as twelve conf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Massachusetts Institute Of Technology
The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the most prestigious and highly ranked academic institutions in the world. Founded in response to the increasing industrialization of the United States, MIT adopted a European polytechnic university model and stressed laboratory instruction in applied science and engineering. MIT is one of three private land grant universities in the United States, the others being Cornell University and Tuskegee University. The institute has an urban campus that extends more than a mile (1.6 km) alongside the Charles River, and encompasses a number of major off-campus facilities such as the MIT Lincoln Laboratory, the Bates Center, and the Haystack Observatory, as well as affiliated laboratories such as the Broad and Whitehead Institutes. , 98 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
McGill Atmospheric And Oceanic Sciences
The Department of Atmospheric and Oceanic Sciences of McGill University is the largest university atmospheric-oceanic sciences group in Canada. In 2012, it has 11 Faculty and 6 Associate Faculty members, 5 support staff, 14 research associates and postdoctoral fellows, and 31 graduate students. It is known worldwide, in particular for weather radar research and Arctic studies. It has operated the second oldest weather observatory in Canada since 1862. History Since 1840, Charles Smallwood, a medical doctor and avid amateur meteorologist, was taking daily weather reports at his house in the village of Saint-Martin on Île Jésus (now Laval a suburb of Montreal). He was named "honorary professor" in Meteorology at McGill University in 1856, and at his suggestion, the first McGill Weather Observatory was established in 1862. The first instruments were donated by Smallwood et he was the first director of the Observatory. Since then, there is regular measurement of meteorological varia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar Display
A radar display is an electronic device to present radar data to the operator. The radar system transmits pulses or continuous waves of electromagnetic radiation, a small portion of which backscatter off targets (intended or otherwise) and return to the radar system. The receiver converts all received electromagnetic radiation into a continuous electronic analog signal of varying (or oscillating) voltage that can be converted then to a screen display. Modern systems typically use some sort of raster scan display to produce a map-like image. Early in radar development, however, numerous circumstances made such displays difficult to produce. People ultimately developed several different display types. Oscilloscopes Early radar displays used adapted oscilloscopes with various inputs. An oscilloscope generally receives three ''channels'' of varying (or oscillating) voltage as input and displays this information on a cathode ray tube. The oscilloscope amplifies the input voltages a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plan Position Indicator
A plan position indicator (PPI) is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a radial trace on the PPI sweeps in unison with it about the center point. It is the most common type of radar display. Description The radar antenna sends pulses while rotating 360 degrees around the radar site at a fixed elevation angle. It can then change angle or repeat at the same angle according to the need. Return echoes from targets are received by the antenna and processed by the receiver and the most direct display of those data is the PPI. The height of the echoes increases with the distance to the radar, as represented in the adjacent image. This change is not a straight line but a curve as the surface of the Earth is curved and ''sinks'' below the radar horizon. For fixed-site installations, north is usually represented at the top of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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