earth science

Johan Aschehoug Kiær

Johan Aschehoug Kiær 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 Johan Aschehoug Kiær rather than just read about it. In short: Johan Aschehoug Kiær (October 11, 1869 – October 31, 1931) was a Norwegian paleontologist and geologist. Biography Johan Kiær was born in Drammen, Norway.

Key takeaways

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

Reference excerpt

Johan Aschehoug Kiær (October 11, 1869 – October 31, 1931) was a Norwegian paleontologist and geologist.

Biography Johan Kiær was born in Drammen, Norway. He was the son of parish priest Hagbarth Kiær (1829–1903) and grandson of shipowner and Member of Parliament Hans Andersen Kiær (1795–1867). He was a nephew of Elias C. Kiær (1863–1939) operator of the family company And. H. Kiær & Co. which had been founded by his great-grandfather, Anders Hansen Kiær (1769–1838). Kiær studied zoology and then paleontology for three years under Professor Karl Alfred von Zittel (1839–1904) at the Ludwig-Maximilians-Universität München (LMU) where he received his doctorate in 1896. In 1909, he was appointed professor of paleontology at the University of Oslo, as the first in Norway to hold such a position. He was also head of the Palaeontological Museum of Oslo which opened in 1920. His most important publication was his doctoral dissertation from 1906, Das Obersilur im Kristianiagebiete. His most notable work was the excavation of a rich fauna of jawless fish and sea scorpions from the Rudstangen fauna of the Sundvollen Formation in the stratigraphy of the Ringerike Group (1908, 1911, 1924). He also took part in work on Spitsbergen and to Novaya Zemlya. His work covered corals, trilobites, and especially Devonian and Silurian fishes. Kiær was responsible for the construction of the paleontological section of the Paleontologisk Museum at Tøyen in Oslo. He was an important inspiration for the work of palaeontologist Anatol Heintz (1898–1975) who was director of the Paleontological Museum from 1940.

Selected works Das Obersilur im Kristianiagebiete (1906) Revision der mittelsilurischen Heliolitiden und neue Beitrage zur Stammes geschichte derselben (1903)

References

Illustrations

Johan Aschehoug Kiær: Johan Aschehoug Kiær — Johan Aschehoug Kiær

Worked examples

Example 1 — a first encounter with Johan Aschehoug Kiær

Start with the simplest possible case. Write down what Johan Aschehoug Kiær 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 Johan Aschehoug Kiær 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 Johan Aschehoug Kiær 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 Johan Aschehoug Kiær

In research: Johan Aschehoug Kiær 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 Johan Aschehoug Kiær 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: Johan Aschehoug Kiær is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1869 births, 1931 deaths, 19th-century Norwegian geologists, so understanding it makes those chapters shorter.
In everyday life: Look for Johan Aschehoug Kiær 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 Johan Aschehoug Kiær in 20 minutes

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

Frequently asked questions

What is Johan Aschehoug Kiær in simple terms?

Johan Aschehoug Kiær (October 11, 1869 – October 31, 1931) was a Norwegian paleontologist and geologist. Biography Johan Kiær was born in Drammen, Norway.

Why does Johan Aschehoug Kiær 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 Johan Aschehoug Kiær?

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 Johan Aschehoug Kiær.