astronomy

Simon Tett

Simon Tett is a astronomy 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 Simon Tett rather than just read about it. In short: Simon Tett is a climatologist at the University of Edinburgh who was formerly with the Hadley Centre. His most-cited paper is Mitchell, J.F.B.; Johns, T.C.; Gregory, J.M.; Tett, S.F.B.

Key takeaways

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

Reference excerpt

Simon Tett is a climatologist at the University of Edinburgh who was formerly with the Hadley Centre. His most-cited paper is Mitchell, J.F.B.; Johns, T.C.; Gregory, J.M.; Tett, S.F.B. (10 August 1995). "Climate response to increasing levels of greenhouse gases and sulphate aerosols". Nature. 376 (6540): 501–4. doi:10.1038/376501a0. S2CID 4328502. Of it he says:

All attempts at detecting and attributing climate change signals need a reliable observed data set and simulations with mechanisms that drive climate change included. In a nutshell, this paper is important because it was the first study to investigate the effect of sulphate aerosols in a general circulation model of the climate system. The experiments simulate the climate back to 1860 (which is when the global records of surface temperature became reliable)... After 1970 our model with greenhouse gases alone begins to depart significantly from the observations. However, when we included sulphate aerosols, which have a cooling effect, the model agreed with the data from the 1930s and onwards. The rapid warming that has taken place since 1970 is, according to the model, attributable to a heating effect from greenhouse gases and a cooling effect from sulphate aerosols.

References

External links https://web.archive.org/web/20041216063026/http://www.esi-topics.com/gwarm/interviews/DrSimonTett.html Tett, Simon; Thorne, Peter (2 December 2004). "Atmospheric science: Tropospheric temperature series from satellites" (PDF). Nature. 432 (7017): 1 p following 572, discussion following 572. doi:10.1038/nature03208. PMID 15584097. S2CID 4337985.

Worked examples

Example 1 — a first encounter with Simon Tett

Start with the simplest possible case. Write down what Simon Tett claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Simon Tett 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 Simon Tett 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 Simon Tett

In research: Simon Tett appears in astronomy 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 Simon Tett 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: Simon Tett is common in secondary-school and first-year university syllabi. It links to neighbouring topics Academics of the University of Edinburgh, Atmospheric scientist stubs, British climatologists, so understanding it makes those chapters shorter.
In everyday life: Look for Simon Tett 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 Simon Tett in 20 minutes

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

Frequently asked questions

What is Simon Tett in simple terms?

Simon Tett is a climatologist at the University of Edinburgh who was formerly with the Hadley Centre. His most-cited paper is Mitchell, J.F.B.; Johns, T.C.; Gregory, J.M.; Tett, S.F.B.

Why does Simon Tett matter?

Because it connects several astronomy 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 Simon Tett?

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 Simon Tett.