engineering

Lake Palmdale

Lake Palmdale is a engineering 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 Lake Palmdale rather than just read about it. In short: Lake Palmdale is an artificial lake completed in 1924 along with the nearby Little Rock Reservoir created by Little Rock Dam. Its source of water is the California State Water Project and it is fed by the California Aqueduct.

Key takeaways

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

Reference excerpt

Lake Palmdale is an artificial lake completed in 1924 along with the nearby Little Rock Reservoir created by Little Rock Dam. Its source of water is the California State Water Project and it is fed by the California Aqueduct. It is located in the city of Palmdale near the city's southern edge, in the small Anaverde Valley between the San Andreas Fault and the base of Mount Tenhi.

History Formerly called Harold Reservoir or Alpine Reservoir (after the settlement of Alpine/Harold), and Yuna Lake, Lake Palmdale was completed in 1924 to aid local Antelope Valley agriculture by providing a stable and consistent water source for the local farmers. At the time of its completion, agriculture was the primary economic driver in the Palmdale area. This water source was needed due to the rain shadow desert effect that the San Gabriel Mountains have on the Antelope Valley, located in the Mojave Desert. Today the lake serves as the primary water source for the Palmdale Water District, the city's public water utility, and provides water for more than 200,000 people who live in the area. It also is used to generate electricity.

Geography Lake Palmdale is 2,918 feet (859 m) above sea level and is ringed by the hills of the San Andreas Fault and Mount Tenhi, except for a small pond on the lake's east side called Una Lake from which it is separated by the Palmdale Dam (dike) and Sierra Highway. The lake is 1.05 miles long at its greatest point (northwest to southeast), by 0.50 miles in width (southwest to northeast). Lake Palmdale has a circumference of about 2.5 miles with a surface area of about 260 acres. There is a narrow island 0.25 mi. in length at the southeast end.

Recreation Lake Palmdale is regularly stocked of fish and has a small pier-like dock that extends about .25 miles (0.4 km) into the lake from which members of the Palmdale Fin & Feather Club may use to fish from or take a small boat onto the lake. There are also many other small docks that run along the southwestern coast of the lake, also for use by the Fin & Feather Club. Use of Palmdale Lake for recreation is generally reserved for members of the Club. The nearby Littlerock Reservoir is a Los Angeles County operated park and is open to the public and can be used for boating, water skiing, fishing, and camping. The California Aqueduct is also open for fishing to the general public as long as they have a valid fishing license from the California Department of Fish and Game. The International Game Fish Association all tackle world record 7 lb 10 oz (3.5 kg) Sacramento sucker was taken from Lake Palmdale.

Weather Lake Palmdale has very hot, dry summers, breezy springs and autumns, and frigid, highly windy winters. Rainy weather is limited almost completely to the months between October and May. Local rain is not relied on for maintaining the water level. This is done by water flow from the California Aqueduct, which collects and transports rainwater and snowmelt from the mountains of Northern California. The alignment of the local hills and the fault creates a sort of wind tunnel effect on the lake during the winter months. Although the lake is high elevation and winter temperatures drop frequently below freezing 32 °F (0 °C), there has been no known freezing over of the lake in its history.

Illustrations

Worked examples

Example 1 — a first encounter with Lake Palmdale

Start with the simplest possible case. Write down what Lake Palmdale claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Lake Palmdale 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 Lake Palmdale 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 Lake Palmdale

In research: Lake Palmdale appears in engineering 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 Lake Palmdale 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: Lake Palmdale is common in secondary-school and first-year university syllabi. It links to neighbouring topics Buildings and structures completed in 1924, California State Water Project, Geography of Palmdale, California, so understanding it makes those chapters shorter.
In everyday life: Look for Lake Palmdale 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 Lake Palmdale in 20 minutes

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

Frequently asked questions

What is Lake Palmdale in simple terms?

Why does Lake Palmdale matter?

Because it connects several engineering 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 Lake Palmdale?

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 Lake Palmdale.