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earth science

West Ice

West Ice 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 West Ice rather than just read about it. In short: The West Ice (Norwegian: Vestisen, or Vesterisen, Danish: see below) is a patch of the Greenland Sea covered by pack ice during winter time. It is located north of Iceland, between East Greenland and Jan Mayen island.

West Ice — main illustration
West Ice — illustration

Key takeaways

  • West Ice 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 West Ice to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of West Ice from memory before moving on to harder problems.

Reference excerpt

The West Ice (Norwegian: Vestisen, or Vesterisen, Danish: see below) is a patch of the Greenland Sea covered by pack ice during winter time. It is located north of Iceland, between East Greenland and Jan Mayen island. In Greenland and the Danish language, vestisen refers to the sea ice-covered waters off Greenland's west coast.

West Ice in the Greenland Sea The West Ice is a major breeding ground for seals, especially harp seals and hooded seals. It was discovered in the early 18th century by British whalers. At the time, whalers were not interested in seal hunting as long as there was ample stock of bowhead whales in the area. However, after the 1750s, the whale population had been depleted in the area, and systematic seal hunting started, first by British ships and then by German, Dutch, Danish, Norwegian, and Russian ships. The annual catches were 120,000 animals around 1900, mostly by Norway and Russia, and rose to 350,000 by the 1920s. They then declined, first because of imposed restrictions on total allowable catch and then in response to decreasing market demand. Nevertheless, the seal population in the West Ice was rapidly falling, from an estimated 1,000,000 in 1956 to 100,000 in the 1980s. In the 1980s–1990s, takings of harp seals totaled 8,000–10,000, and annual catches of hooded seals totaled a few thousand between 1997 and 2001. Norway accounts for all recent seal hunting in the West Ice, as Russia has not hunted hooded seals since 1995, and catches harp seals at the East Ice in the White Sea – Barents Sea. Seal hunting in the West Ice was a dangerous occupation, as floating ice, storms and winds posed constant threat to the ships; in the 19th century, the hunters often encountered frozen human bodies on the West Ice. A major accident occurred around 5 April 1952 when a sudden storm surprised 53 ships hunting in the area. Seven of them sank and five vanished, namely Ringsel, Brattind and Vårglimt from Troms and Buskøy and Pels from Sunnmøre, with 79 men on board. The search for them involved ships and planes and continued for many days, but no trace of the missing boats was found. The word "West" contrasts with the East Ice (Østisen), which refers to the ice-covered waters east and south of Svalbard, including Barents Sea and White Sea.

West Ice in the Baffin Bay The word vestisen ("the west ice") in a Greenland-specific context in the Danish language refers to the sea ice off Greenland's west coast in the Davis Strait and Baffin Bay. This could cause confusion when comparing or translating Danish and Norwegian sources. The band of sea ice in the East Greenland Current is referred to as Storisen, which translates as The Large or Grand Ice, in reference to the density of multi-year sea ice and icebergs. The Storisen is a band of ice rather than a specific area, typically spanning the entire east coast and round Cape Farewell. The word East Ice is occasionally used to more generally refer to all sea ice waters off the east coast, which thus includes the patch that in Norwegian and English is named West Ice.

References

Illustrations

West Ice illustration

Worked examples

Example 1 — a first encounter with West Ice

Start with the simplest possible case. Write down what West Ice 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 West Ice 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 West Ice 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 West Ice

In research
West Ice 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 West Ice 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
West Ice is common in secondary-school and first-year university syllabi. It links to neighbouring topics Atlantic Ocean, Bodies of ice of Iceland, European seas, so understanding it makes those chapters shorter.
In everyday life
Look for West Ice 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 West Ice in 20 minutes

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

Frequently asked questions

What is West Ice in simple terms?

The West Ice (Norwegian: Vestisen, or Vesterisen, Danish: see below) is a patch of the Greenland Sea covered by pack ice during winter time. It is located north of Iceland, between East Greenland and Jan Mayen island.

Why does West Ice 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 West Ice?

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 West Ice.

Tags

  • Atlantic Ocean
  • Bodies of ice of Iceland
  • European seas
  • Sea ice
  • Seal hunting
  • Seas of Greenland
  • Seas of North America

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