science

Khar-Us Lake

Khar-Us Lake 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 Khar-Us Lake rather than just read about it. In short: Khar-Us Lake (Mongolian: Хар-Ус нуур; lit. 'Black Aqua Lake') is a lake in Khovd Province, Mongolia, located in Khar Us Nuur National Park. It is the upper one in a system of the interconnected lakes: Khar-Us, Khar, Dörgön, Airag and Khyargas.

Key takeaways

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

Reference excerpt

Khar-Us Lake (Mongolian: Хар-Ус нуур; lit. 'Black Aqua Lake') is a lake in Khovd Province, Mongolia, located in Khar Us Nuur National Park. It is the upper one in a system of the interconnected lakes: Khar-Us, Khar, Dörgön, Airag and Khyargas. Its area value (1,852 km2) includes the island Agbash (or Ak-Bashi, white head) area (274 km2), so the water surface area is 1,578 km2 only. Some sources are using different Khar-Us Lake Lake statistics values:

Water level: 1,160.08 m Surface area: 1,496.6 km2 Average depth: 2.1 m Volume: 3.12 km3.

Primary inflow is the Khovd River, which creates a large river delta. So called Genghis Khan's wall runs along the western shore of the Khar-Us Lake. It is possible to find it at the Google Map and Google Earth satellite maps 47°53′29″N 91°59′37″E.

References

Illustrations

Worked examples

Example 1 — a first encounter with Khar-Us Lake

Start with the simplest possible case. Write down what Khar-Us Lake 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 Khar-Us Lake 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 Khar-Us Lake 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 Khar-Us Lake

In research: Khar-Us Lake 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 Khar-Us Lake 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: Khar-Us Lake is common in secondary-school and first-year university syllabi. It links to neighbouring topics Important Bird Areas of Mongolia, Lake stubs, Lakes of Khovd Province, so understanding it makes those chapters shorter.
In everyday life: Look for Khar-Us Lake 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 Khar-Us Lake in 20 minutes

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

Frequently asked questions

What is Khar-Us Lake in simple terms?

Why does Khar-Us Lake 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 Khar-Us Lake?

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 Khar-Us Lake.