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earth science

Paorae

Paorae 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 Paorae rather than just read about it. In short: Paorae was a migrating coastal dune, formerly located west of the Āwhitu Peninsula in the Auckland Region of New Zealand. Paorae was an important area for cultivating kūmara (sweet potato) and taro for Tāmaki Māori tribes Ngāiwi and Ngāoho, and later Waikato Tainui.

Paorae — main illustration
Paorae — illustration

Key takeaways

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

Reference excerpt

Paorae was a migrating coastal dune, formerly located west of the Āwhitu Peninsula in the Auckland Region of New Zealand. Paorae was an important area for cultivating kūmara (sweet potato) and taro for Tāmaki Māori tribes Ngāiwi and Ngāoho, and later Waikato Tainui. The land eroded in the 18th century, becoming known as a legendary "Māori Atlantis" to European New Zealanders. Material from Paorae forms the Manukau Heads sandbars and the modern day beach at Whatipu, which began forming in the 1930s.

Geology

New Zealand geologist Bruce Hayward theorised that Paorae formed from accumulated volcanic material from the Hatepe eruption of the Taupō Volcano, which occurred 1,800 years ago. Sediment from the eruption washed down the Waikato River, forming a large sand bank north of the Waikato River mouth, along the Āwhitu Peninsula. The land eroded in the 18th century, but material from Paorae continues to move northwards up the west coast.

History

Māori history Much of what is known of traditional accounts of Paorae comes from historian James Cowan's discussions with Ngāti Mahuta rangatira Pātara Te Tuhi and Honana Maioha in 1898. Paorae was an important area for Tāmaki Māori tribes Ngāiwi and Ngāoho, and later Waikato Tainui. The area's loose soil made it ideal for the cultivation of kūmara (sweet potato) and taro, and was flourishing by 1400AD. The island was a source of fresh water, and was known as a source of eels. While temporary kāinga were found on the land, no lasting settlements were built. Most people who used the resources of the land primarily lived at pā on the Āwhitu Peninsula, including those at the Waitara Stream (Cochrane's Gap), Tipitai and an Āwhitu pā known as Te Pā o Kōkako. Archaeological evidence of Māori occupation of Tipitai, on the south head of the Manukau Heads, shows occupation of the area during the archaic period (c. 1300–c. 1500). Paorae may have only been the name used for the northern part of the sand dunes. Another recorded name for the feature is the Te Kawerau ā Maki name Papakiekie. Over time, Paorae eroded into the Tasman Sea. This process was sped up during storms, which would remove much of the vegetation on Paorae. As the vegetation died, exposed sands would be blown away from the dunes. By the 18th century, Paorae had almost entirely eroded, except for a small remnant island known as Ngā Toku Rau o Puakirangi, found off the southern coast of the Manukau Heads. The last remnants of this island were submerged after a storm in 1936. By the late 19th and early 20th centuries, Paorae had become known to Europeans as the "Māori Atlantis".

Modern day Between the 1930s and late 1960s, sandy material began accumulating at the North Manukau Head at Whatipu. Since the 1970s, a 1.5 km strip of sand was added to the coast at Whatipu, with vegetation and freshwater swamps forming inland from the shore. While the sand at Whatipu has not significantly changed much since the 1970s, the sand continues to move northwards towards Karekare, and will likely establish a beach at The Blowhole south of Piha, and an easily walkable passage between the beaches at Karekare and Piha.

References

External links Data related to Paorae at Wikidata

Illustrations

Paorae: The sandbanks at Whatipu, which formed in the 1930s from sandy material from Paorae
The sandbanks at Whatipu, which formed in the 1930s from sandy material from Paorae
Paorae: The Tasman Sea coast along the Āwhitu Peninsula, where Paorae was located
The Tasman Sea coast along the Āwhitu Peninsula, where Paorae was located

Worked examples

Example 1 — a first encounter with Paorae

Start with the simplest possible case. Write down what Paorae 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 Paorae 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 Paorae 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 Paorae

In research
Paorae 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 Paorae 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
Paorae is common in secondary-school and first-year university syllabi. It links to neighbouring topics Coastal erosion, Destroyed landforms, Dunes of Oceania, so understanding it makes those chapters shorter.
In everyday life
Look for Paorae 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 Paorae in 20 minutes

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

Frequently asked questions

What is Paorae in simple terms?

Paorae was a migrating coastal dune, formerly located west of the Āwhitu Peninsula in the Auckland Region of New Zealand. Paorae was an important area for cultivating kūmara (sweet potato) and taro for Tāmaki Māori tribes Ngāiwi and Ngāoho, and later Waikato Tainui.

Why does Paorae 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 Paorae?

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 Paorae.

Tags

  • Coastal erosion
  • Destroyed landforms
  • Dunes of Oceania
  • Franklin Local Board Area
  • Geology of New Zealand
  • Historical geology
  • History of Auckland
  • Landforms of the Auckland Region
  • Landforms of the Tasman Sea
  • Spits of New Zealand
  • Tāmaki Māori

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