Sakuhei Fujiwhara
Encyclopedia
was a Japanese
meteorologist who became the namesake for the Fujiwhara effect
. Novelist Jirō Nitta
is his nephew and mathematician Masahiko Fujiwara
is his grandnephew.
, Nagano Prefecture
, Fujiwhara received his primary education at Takashima Common Elementary School and Suwa Higher Elementary School, where he was in the same class as future army general, Tetsuzan Nagata
. He was also close friends with Shigeo Iwanami, who would go on to found the Iwanami Shoten Publishing
company. He joined the Central Meteorological Observatory (current Japan Meteorological Agency
) in 1909 after completing undergraduate studies in theoretical physics
at Tokyo Imperial University (current University of Tokyo
).
in 1915 through his research work on the abnormal propagation of sound waves, and earned the Japan Academy Prize in 1920 in recognition of his research. He traveled to Norway
in the same year to study meteorology
under Vilhelm Bjerknes.
He joined the Central Institution for the Training of Meteorologists (current Meteorological College of Japan) as general director after returning to Japan in 1922. He started his tenure as a professor at Tokyo Imperial University in 1924, and succeeded Takematsu Okada as the fifth director of the Japan Meteorological Agency
in 1941.
during the Pacific War
, and was purged from his position after the conclusion of the war. He retreated to the countryside afterwards to concentrate on his writing, and devoted his efforts to educating the future generation of meteorologists and researching meteorological phenomena such as vortices, clouds and atmospheric optics. He also spearheaded the study of gliders
in Japan, and became a member of The Japan Academy
in 1937.
, 1926, Iwanami Shoten Publishing, 1929, 1932, 1932, 1933, Iwanami Shoten Publishing, 1935, Iwanami Shoten Publishing, 1935, 1939, Iwanami Shoten Publishing, 1942, 1947, Sanseido
, 1948, 1948, Iwanami Shoten Publishing, 1949, 1950, Iwanami Shoten Publishing, 1951, Sanseido, 1955, Iwanami Shoten Publishing, Iwanami Shoten Publishing, Iwanami Shoten Publishing
Japanese people
The are an ethnic group originating in the Japanese archipelago and are the predominant ethnic group of Japan. Worldwide, approximately 130 million people are of Japanese descent; of these, approximately 127 million are residents of Japan. People of Japanese ancestry who live in other countries...
meteorologist who became the namesake for the Fujiwhara effect
Fujiwhara effect
The Fujiwhara effect or Fujiwara interaction, named after Sakuhei Fujiwhara, is a type of interaction between two nearby cyclonic vortices, causing them to appear to "orbit" each other.-Description:...
. Novelist Jirō Nitta
Jiro Nitta
is the pen name of popular Japanese historical novelist . He was born in an area that is now part of the city of Suwa, Nagano Prefecture, Japan.-Career:...
is his nephew and mathematician Masahiko Fujiwara
Masahiko Fujiwara
Masahiko Fujiwara is a Japanese mathematician, who is best known as an essayist....
is his grandnephew.
Early life
Born in the city of SuwaSuwa, Nagano
is a city located in Nagano, Japan.As of October 1, 2010, the city had an estimated population of 51,084 and a density of 468.40 persons per km². The total area of the city is 109.06 km²....
, Nagano Prefecture
Nagano Prefecture
is a prefecture of Japan located in the Chūbu region of the island of Honshū. The capital is the city of Nagano.- History :Nagano was formerly known as the province of Shinano...
, Fujiwhara received his primary education at Takashima Common Elementary School and Suwa Higher Elementary School, where he was in the same class as future army general, Tetsuzan Nagata
Tetsuzan Nagata
-External links:...
. He was also close friends with Shigeo Iwanami, who would go on to found the Iwanami Shoten Publishing
Iwanami Shoten Publishing
is a Japanese publishing company in Tokyo.Iwanami Shoten was founded in 1913 by Shigeo Iwanami. Its first major publication was the novel Kokoro in 1914.Its head office is at Hitotsubashi 2–5–5, Chiyoda, Tokyo....
company. He joined the Central Meteorological Observatory (current Japan Meteorological Agency
Japan Meteorological Agency
The or JMA, is the Japanese government's weather service. Charged with gathering and reporting weather data and forecasts in Japan, it is a semi-autonomous part of the Ministry of Land, Infrastructure and Transport...
) in 1909 after completing undergraduate studies in theoretical physics
Theoretical physics
Theoretical physics is a branch of physics which employs mathematical models and abstractions of physics to rationalize, explain and predict natural phenomena...
at Tokyo Imperial University (current University of Tokyo
University of Tokyo
, abbreviated as , is a major research university located in Tokyo, Japan. The University has 10 faculties with a total of around 30,000 students, 2,100 of whom are foreign. Its five campuses are in Hongō, Komaba, Kashiwa, Shirokane and Nakano. It is considered to be the most prestigious university...
).
Academic career
Fujiwhara earned his doctorateDoctorate
A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder to teach in a specific field, A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder...
in 1915 through his research work on the abnormal propagation of sound waves, and earned the Japan Academy Prize in 1920 in recognition of his research. He traveled to Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
in the same year to study meteorology
Meteorology
Meteorology is the interdisciplinary scientific study of the atmosphere. Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the 18th century. The 19th century saw breakthroughs occur after observing networks developed across several countries...
under Vilhelm Bjerknes.
He joined the Central Institution for the Training of Meteorologists (current Meteorological College of Japan) as general director after returning to Japan in 1922. He started his tenure as a professor at Tokyo Imperial University in 1924, and succeeded Takematsu Okada as the fifth director of the Japan Meteorological Agency
Japan Meteorological Agency
The or JMA, is the Japanese government's weather service. Charged with gathering and reporting weather data and forecasts in Japan, it is a semi-autonomous part of the Ministry of Land, Infrastructure and Transport...
in 1941.
Later life
Fujiwhara participated in the development of the fire balloonFire balloon
A , or Fu-Go, was a weapon launched by Japan during World War II. A hydrogen balloon with a load varying from a incendiary to one antipersonnel bomb and four incendiary devices attached, they were designed as a cheap weapon intended to make use of the jet stream over the Pacific Ocean and wreak...
during the Pacific War
Pacific War
The Pacific War, also sometimes called the Asia-Pacific War refers broadly to the parts of World War II that took place in the Pacific Ocean, its islands, and in East Asia, then called the Far East...
, and was purged from his position after the conclusion of the war. He retreated to the countryside afterwards to concentrate on his writing, and devoted his efforts to educating the future generation of meteorologists and researching meteorological phenomena such as vortices, clouds and atmospheric optics. He also spearheaded the study of gliders
Glider aircraft
Glider aircraft are heavier-than-air craft that are supported in flight by the dynamic reaction of the air against their lifting surfaces, and whose free flight does not depend on an engine. Mostly these types of aircraft are intended for routine operation without engines, though engine failure can...
in Japan, and became a member of The Japan Academy
The Japan Academy
is an honorary organization founded in 1879 to bring together leading Japanese scholars with distinguished records of scientific achievements. The Academy is currently organization attached to the Ministry of Education; and the organization's headquarters located in Ueno Park, Tokyo, Japan...
in 1937.
Texts
, Iwanami Shoten PublishingIwanami Shoten Publishing
is a Japanese publishing company in Tokyo.Iwanami Shoten was founded in 1913 by Shigeo Iwanami. Its first major publication was the novel Kokoro in 1914.Its head office is at Hitotsubashi 2–5–5, Chiyoda, Tokyo....
, 1926, Iwanami Shoten Publishing, 1929, 1932, 1932, 1933, Iwanami Shoten Publishing, 1935, Iwanami Shoten Publishing, 1935, 1939, Iwanami Shoten Publishing, 1942, 1947, Sanseido
Sanseido
is a Japanese publishing company known for publishing dictionaries and textbooks....
, 1948, 1948, Iwanami Shoten Publishing, 1949, 1950, Iwanami Shoten Publishing, 1951, Sanseido, 1955, Iwanami Shoten Publishing, Iwanami Shoten Publishing, Iwanami Shoten Publishing