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Louisa Reef

Louisa Reef is a 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 Louisa Reef rather than just read about it. In short: Louisa Reef (Brunei Malay: Terumbu Semarang Barat Kecil; Mandarin Chinese: 南通礁; pinyin: Nántōng Jiāo) is a coral reef in the southern reaches of the Spratly Islands. The reef is oval in shape, approximately 1.5 km (1 mile) east to west and 0.5 km (500 yards) north to south.

Louisa Reef — main illustration
Louisa Reef — illustration

Key takeaways

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

Reference excerpt

Louisa Reef (Brunei Malay: Terumbu Semarang Barat Kecil; Mandarin Chinese: 南通礁; pinyin: Nántōng Jiāo) is a coral reef in the southern reaches of the Spratly Islands. The reef is oval in shape, approximately 1.5 km (1 mile) east to west and 0.5 km (500 yards) north to south. While most of Louisa Reef is submerged, some portions emerge at low tide and a few small rocks remain above water even at high tide. The reef rises as deeply undercut walls and steep slopes from very deep water with extensive stony and soft corals. A navigation beacon built by Malaysia is at its southwest point and the highest visible rock is at the southeast end. Safe anchorage is difficult to find, depending on the wind and currents, but there are sandy areas at the northwest and southwest ends. The nearest reliable shelter for boats is the lagoon at Swallow Reef, 128 km (80 miles) to the northeast. As of 2014, the shoal was claimed by Brunei, China, and Taiwan. Malaysia previously claimed Louisa Reef and operated a small obelisk-like concrete navigational light beacon there. However, Malaysia has apparently dropped its claim in deference to the claim of neighbouring Brunei that the reef lies on its continental shelf.

References

External links Map showing Louisa Reef within Brunei claim

Illustrations

Louisa Reef illustration
Louisa Reef: Extract from US Dept of State map also showing Luconia Shoals and James Shoal.
Extract from US Dept of State map also showing Luconia Shoals and James Shoal.

Worked examples

Example 1 — a first encounter with Louisa Reef

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

In research
Louisa Reef appears in 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 Louisa Reef 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
Louisa Reef is common in secondary-school and first-year university syllabi. It links to neighbouring topics Brunei geography stubs, Disputed reefs, Island stubs, so understanding it makes those chapters shorter.
In everyday life
Look for Louisa Reef 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 Louisa Reef in 20 minutes

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

Frequently asked questions

What is Louisa Reef in simple terms?

Louisa Reef (Brunei Malay: Terumbu Semarang Barat Kecil; Mandarin Chinese: 南通礁; pinyin: Nántōng Jiāo) is a coral reef in the southern reaches of the Spratly Islands. The reef is oval in shape, approximately 1.5 km (1 mile) east to west and 0.5 km (500 yards) north to south.

Why does Louisa Reef matter?

Because it connects several 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 Louisa Reef?

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 Louisa Reef.

Tags

  • Brunei geography stubs
  • Disputed reefs
  • Island stubs
  • Islands of Brunei
  • Reefs of the Spratly Islands

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