earth science

John Marshall (oceanographer)

John Marshall (oceanographer) is a earth science 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 John Marshall (oceanographer) rather than just read about it. In short: John Charles Marshall, FRS is a British oceanographer and academic. He is the Cecil and Ida Green Professor of Oceanography in the Department of Earth, Atmospheric and Planetary Sciences at the Massachusetts Institute of Technology (MIT).

Key takeaways

John Marshall (oceanographer) belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect John Marshall (oceanographer) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of John Marshall (oceanographer) from memory before moving on to harder problems.

Reference excerpt

John Charles Marshall, FRS is a British oceanographer and academic. He is the Cecil and Ida Green Professor of Oceanography in the Department of Earth, Atmospheric and Planetary Sciences at the Massachusetts Institute of Technology (MIT). He is also an adjunct senior research scientist in the Department of Applied Physics and Applied Mathematics at Columbia University.

Life Marshall holds degrees in physics and atmospheric science from Imperial College, London, where he was a faculty member in the Physics Department. Marshall joined MIT in 1991, and has worked there ever since. Marshall studies the circulation of the ocean, its coupling to the atmosphere and the role of the oceans in climate. Specific research interests include ocean convection and thermohaline circulation, ocean gyres and circumpolar currents, geophysical fluid dynamics, climate dynamics and numerical modeling of ocean and atmosphere. He is the author or coauthor of over 150 refereed publications covering a wide range of topics in atmosphere, ocean and climate dynamics. He is perhaps best known for his work on ocean convection, the dynamics of the southern ocean and as the architect of the MIT General Circulation Model (MITgcm), an open-source numerical model used by a broad community of researchers around the world.

Awards 1985: L.F. Richardson Prize of the Royal Meteorological Society 2004: Adrian Gill Prize of the Royal Meteorological Society 2008: Elected a Fellow of the Royal Society 2014: Elected a Fellow of the American Meteorological Society 2014: Sverdrup Gold Medal Award of the American Meteorological Society 2020: A.G. Huntsman Award for Excellence in the Marine Sciences

References

External links http://oceans.mit.edu/JohnMarshall/ http://oceans.mit.edu/JohnMarshall/about-john/cv/ Curriculum Vitae

Worked examples

Example 1 — a first encounter with John Marshall (oceanographer)

Start with the simplest possible case. Write down what John Marshall (oceanographer) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, 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 John Marshall (oceanographer) 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 John Marshall (oceanographer) 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 John Marshall (oceanographer)

In research: John Marshall (oceanographer) appears in earth science 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 John Marshall (oceanographer) 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: John Marshall (oceanographer) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alumni of Imperial College London, British oceanographers, Fellows of the American Meteorological Society, so understanding it makes those chapters shorter.
In everyday life: Look for John Marshall (oceanographer) 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 John Marshall (oceanographer) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what John Marshall (oceanographer) 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 John Marshall (oceanographer) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is John Marshall (oceanographer) in simple terms?

Why does John Marshall (oceanographer) matter?

Because it connects several earth science 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 John Marshall (oceanographer)?

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 John Marshall (oceanographer).