physics

G. M. B. Dobson

G. M. B. Dobson is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand G. M. B. Dobson rather than just read about it. In short: Gordon Miller Bourne Dobson (25 February 1889 – 10 March 1976) was a British physicist and meteorologist who did important work on ozone. Education He was educated at Sedbergh School and Gonville and Caius College, Cambridge, graduating with a first in Natural Sciences in 1909.

Key takeaways

G. M. B. Dobson belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect G. M. B. Dobson to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of G. M. B. Dobson from memory before moving on to harder problems.

Reference excerpt

Gordon Miller Bourne Dobson (25 February 1889 – 10 March 1976) was a British physicist and meteorologist who did important work on ozone.

Education He was educated at Sedbergh School and Gonville and Caius College, Cambridge, graduating with a first in Natural Sciences in 1909. He was later awarded DSc (Oxon).

Research and career In 1913 he became an instructor in meteorology at the Central Flying School, and was at the Royal Aircraft Establishment, Farnborough, from 1916 to 1918. In 1921 he was appointed lecturer in meteorology at the University of Oxford, becoming reader in meteorology in 1927, a position he held until 1950, when he became university demonstrator in physics and climatology. He was a fellow of Merton College, Oxford, from 1937 to 1956. By studying meteorites he noticed that the temperature profile of the tropopause was not constant, as had previously been believed (hence the name stratosphere). In fact there was, he showed, a region where the temperature sharply rose. This, he proposed, was happening because UV radiation was heating ozone in what has become known as the ozone layer. He noted the connection between sunspots and weather, and measured the ultraviolet levels of our star. He built the first Dobson ozone spectrophotometers and studied the results over many years. The Dobson unit, a unit of measurement of vertically integrated atmospheric ozone density, is named after him. The Brewer-Dobson circulation is a semi-eponymous model of atmospheric currents that explains the distribution of ozone by latitude.

Awards and honours Dobson was elected a Fellow of the Royal Society (FRS) in 1927, awarded their Rumford Medal in 1942 and delivered their Bakerian lecture in 1945. He won the Chree medal and prize in 1949. He served as president of the Royal Meteorological Society from 1947 to 1949 and was awarded their prestigious Symons Gold Medal for 1938. He was made a CBE in 1951.

Illustrations

Worked examples

Example 1 — a first encounter with G. M. B. Dobson

Start with the simplest possible case. Write down what G. M. B. Dobson claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to G. M. B. Dobson before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about G. M. B. Dobson ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of G. M. B. Dobson

In research: G. M. B. Dobson appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses G. M. B. Dobson in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: G. M. B. Dobson is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1889 births, 1976 deaths, 20th-century British physicists, so understanding it makes those chapters shorter.
In everyday life: Look for G. M. B. Dobson outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study G. M. B. Dobson in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what G. M. B. Dobson means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain G. M. B. Dobson out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is G. M. B. Dobson in simple terms?

Gordon Miller Bourne Dobson (25 February 1889 – 10 March 1976) was a British physicist and meteorologist who did important work on ozone. Education He was educated at Sedbergh School and Gonville and Caius College, Cambridge, graduating with a first in Natural Sciences in 1909.

Why does G. M. B. Dobson matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study G. M. B. Dobson?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on G. M. B. Dobson.