Gilbert Walker

Gilbert Thomas WalkerSir Gilbert WalkerSir Gilbert Thomas WalkerWalker, GilbertWalker
Sir Gilbert Thomas Walker (14 June 1868 – 4 November 1958) was an English physicist and statistician of the 20th century.wikipedia
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Walker circulation

Walker
He is known for his groundbreaking description of the Southern Oscillation, a major phenomenon of global climate, and for discovering what is named after him as the Walker circulation, and for greatly advancing the study of climate in general.
It was discovered by Gilbert Walker.

El Niño

El NinoEl Nino-Southern OscillationEl Niño Southern Oscillation
He is known for his groundbreaking description of the Southern Oscillation, a major phenomenon of global climate, and for discovering what is named after him as the Walker circulation, and for greatly advancing the study of climate in general.
In 1924, Gilbert Walker (for whom the Walker circulation is named) coined the term "Southern Oscillation".

Srinivasa Ramanujan

RamanujanSrinivas RamanujanSrinivasa Aaiyangar Ramanujan
He was also instrumental in aiding the early career of the Indian mathematical prodigy, Srinivasa Ramanujan.
To supplement Hardy's endorsement, Gilbert Walker, a former mathematical lecturer at Trinity College, Cambridge, looked at Ramanujan's work and expressed amazement, urging the young man to spend time at Cambridge.

El Niño–Southern Oscillation

El Niño-Southern OscillationEl NiñoENSO
This is now called the El Niño Southern Oscillation.
The two phases relate to the Walker circulation, which was discovered by Gilbert Walker during the early twentieth century.

Autoregressive model

autoregressiveautoregressionAutoregressive process
Walker developed Blanford's idea with quantitative rigour and came up with correlation measures (with a lag) and regression equations (in time-series terminology, autoregression).
The Yule–Walker equations, named for Udny Yule and Gilbert Walker, are the following set of equations.

Senior Wrangler (University of Cambridge)

Senior WranglerList of Wranglers of the University of CambridgeSecond Wrangler
He obtained a degree in Metallurgy from Imperial College London and attended Trinity College, Cambridge where he was Senior Wrangler in 1889. Eliot himself was an able mathematician, a Second Wrangler at Cambridge, while Walker had been a Senior Wrangler.

Ernest Hanbury Hankin

E. H. HankinErnest H. Hankin
He found faults in the ideas on bird flight by Ernest Hanbury Hankin, fellow Cambridge scientist at Simla, and pointed out that ascending thermals had enough energy to support the soaring of birds and also pointed out the role of turbulent eddies in providing lift.
His work on soaring birds caught the interest of Cambridge mathematician turned meteorologist Gilbert Walker who was also at Simla who discussed the role and nature of thermals and eddies in providing birds with the lift needed.

Physicist

physicistsresearch physicistengineer and physicist
Sir Gilbert Thomas Walker (14 June 1868 – 4 November 1958) was an English physicist and statistician of the 20th century.

Statistician

statisticiansStatistical theoristsstatistical analyst
Sir Gilbert Thomas Walker (14 June 1868 – 4 November 1958) was an English physicist and statistician of the 20th century.

Climate

climaticclimatesaverage annual temperature
He is known for his groundbreaking description of the Southern Oscillation, a major phenomenon of global climate, and for discovering what is named after him as the Walker circulation, and for greatly advancing the study of climate in general.

Climatology

climatologistclimate scienceclimatological
He is known for his groundbreaking description of the Southern Oscillation, a major phenomenon of global climate, and for discovering what is named after him as the Walker circulation, and for greatly advancing the study of climate in general.

Rochdale

Rochdale, EnglandRochdale, LancashireRochdale (ENG)
He was born in Rochdale, Lancashire on 14 June 1868, the fourth child and eldest son of Thomas Walker and Elizabeth Charlotte Haslehurst.

Lancashire

Lancashire, EnglandCounty Palatine of LancasterLancaster
He was born in Rochdale, Lancashire on 14 June 1868, the fourth child and eldest son of Thomas Walker and Elizabeth Charlotte Haslehurst.

Whitgift School

Whitgift Grammar SchoolWhitgiftWhitgift School, Croydon
He attended Whitgift School where he showed an interest in mathematics and got a scholarship to study at St Paul's School.

St Paul's School, London

St Paul's SchoolSt. Paul's SchoolSt Paul
He attended Whitgift School where he showed an interest in mathematics and got a scholarship to study at St Paul's School.

Imperial College London

Imperial CollegeImperial College of Science and TechnologyImperial College, London
He obtained a degree in Metallurgy from Imperial College London and attended Trinity College, Cambridge where he was Senior Wrangler in 1889.

Trinity College, Cambridge

Trinity CollegeTrinityTrinity College Cambridge
He obtained a degree in Metallurgy from Imperial College London and attended Trinity College, Cambridge where he was Senior Wrangler in 1889.

Henry Francis Blanford

H.F.BlanfordHenry F. Blanford
Henry Francis Blanford, the founding director of the Indian Meteorological Department, had noticed the pattern that the summer monsoon in India and Burma was correlated with the spring snow cover in the Himalayas and it became a routine to use this to make predictions on the Indian monsoons.

John Eliot (meteorologist)

John EliotJohn Eliot, Esq, CIESir John Eliot
By 1892 however, these predictions began to fail and the second director John Eliot began to use several other correlations including strength of the trade winds, anticyclones, Nile floods and date from Australia and Africa.

Brückner-Egeson-Lockyer cycle

Lockyer on cycles
A growing interest in the work of Lockyer on cycles led him to choose a mathematically inclined successor who would be Walker, despite the lack of experience in meteorology.

Wrangler (University of Cambridge)

wranglerSecond Wranglersenior optime
Eliot himself was an able mathematician, a Second Wrangler at Cambridge, while Walker had been a Senior Wrangler.

University of Cambridge

Cambridge UniversityCambridgeUniversity
Walker was an established applied mathematician at the University of Cambridge and gave up a Fellowship at Trinity to take up a position as assistant to the meteorological reporter in 1903.

Udny Yule

George Udny YuleG. Udny YuleYule
The methods he introduced for time-series regression are now partly named after him (the other contributor was Udny Yule who studied sun-spot cycles) as the Yule-Walker equations.

Atmosphere of Earth

airEarth's atmosphereatmosphere
Analyzing vast amounts of weather data from India and lands beyond, over the next fifteen years he published the first descriptions of the great seesaw oscillation of atmospheric pressure between the Indian and Pacific Ocean, and its correlation to temperature and rainfall patterns across much of the Earth's tropical regions, including India.

Pressure

water pressurenegative pressurefluid pressure
Analyzing vast amounts of weather data from India and lands beyond, over the next fifteen years he published the first descriptions of the great seesaw oscillation of atmospheric pressure between the Indian and Pacific Ocean, and its correlation to temperature and rainfall patterns across much of the Earth's tropical regions, including India.