science

Northwest Shelf Province

Northwest Shelf Province 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 Northwest Shelf Province rather than just read about it. In short: The Northwest Shelf Province, also known as Exmouth to Broome, is a biogeographic region of Australia's continental shelf. Geography The Northwest Shelf Province includes the coastal waters and continental shelf of north-western Western Australia between North West Cape and Cape Leveque.

Key takeaways

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

Reference excerpt

The Northwest Shelf Province, also known as Exmouth to Broome, is a biogeographic region of Australia's continental shelf.

Geography The Northwest Shelf Province includes the coastal waters and continental shelf of north-western Western Australia between North West Cape and Cape Leveque. It has an area of 238,759 km2, extending from the shore to 200 m depth. It varies in width from about 50 km at Exmouth Gulf to more than 250 km off Cape Leveque. The Northwest Shelf Province adjoins the Central Western Shelf Transition or Ningaloo region on the southwest. The Northwest Shelf Transition lies east of Cape Leveque. To the north the continental slope descends towards the Indian Ocean's abyssal plain.

Oceanography The waters are tropical. Surface waters are derived from the Indonesian Throughflow, and circulate through the province via branches of the South Equatorial and Eastern Gyral currents. Tidal ranges are generally high. The Northwest Coast, including the Pilbara Coast and Eighty Mile Beach, is the most cyclone-prone region of the entire Australian coastline. On average two cyclones cross the coast each year, one of which is severe.

Meso-scale bioregions The Integrated Marine and Coastal Regionalisation of Australia (IMCRA) identifies five distinct meso-scale bioregions that make up the province.

Pilbara (nearshore) (PIN) includes the turbid coastal waters along the Pilbara Coast, including Exmouth Gulf, and nearshore islands between North West Cape and Cape Keraudren. Nearshore Pilbara includes extensive areas of mangrove. Pilbara (offshore) (PIO) includes the offshore waters of Pilbara, below 10 metres depth, along with several offshore islands. The clearer waters support coral reefs and sponge beds. Eighty Mile Beach (EMB) is a long sandy beach which extends from Cape Keraudren to Cape Missiessy. The beach is up to 100 metres wide with a very shallow gradient. Mud flats extend 1 to 5 km offshore from the beach. On the landward side are dunes, a few coastal lagoons, and dry Pindan woodland. Eighty Mile Beach is important habitat for migratory and resident shorebirds. Canning (CAN) includes the coast of Dampierland between Cape Missiessy and Cape Leveque, the northern tip of the Dampier Peninsula. The town of Broome is located on the Canning coast. North West Shelf (NWS) lies offshore, between the Pilbara (offshore), Eighty Mile Beach, and Canning bioregions and edge of the continental shelf. Much oil and natural gas extraction takes place there.

References

Illustrations

Worked examples

Example 1 — a first encounter with Northwest Shelf Province

Start with the simplest possible case. Write down what Northwest Shelf Province 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 Northwest Shelf Province 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 Northwest Shelf Province 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 Northwest Shelf Province

In research: Northwest Shelf Province 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 Northwest Shelf Province 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: Northwest Shelf Province is common in secondary-school and first-year university syllabi. It links to neighbouring topics Biogeography of Western Australia, Central Indo-Pacific, Ecoregions of Australia, so understanding it makes those chapters shorter.
In everyday life: Look for Northwest Shelf Province 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 Northwest Shelf Province in 20 minutes

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

Frequently asked questions

What is Northwest Shelf Province in simple terms?

The Northwest Shelf Province, also known as Exmouth to Broome, is a biogeographic region of Australia's continental shelf. Geography The Northwest Shelf Province includes the coastal waters and continental shelf of north-western Western Australia between North West Cape and Cape Leveque.

Why does Northwest Shelf Province 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 Northwest Shelf Province?

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 Northwest Shelf Province.