earth science

MV Brown Bear

MV Brown Bear 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 MV Brown Bear rather than just read about it. In short: MV Brown Bear was an American research vessel in commission in the fleet of the United States Department of Agriculture′s Bureau of Biological Survey and Alaska Game Commission from 1934 to 1940 and in the fleet of the United States Department of the Interior′s Fish and Wildlife Service from 1940 to 1942 and from 1946 to 1951, under the control of the University of Washington from 1952 to 1965, and in commission in…

Key takeaways

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

Reference excerpt

MV Brown Bear was an American research vessel in commission in the fleet of the United States Department of Agriculture′s Bureau of Biological Survey and Alaska Game Commission from 1934 to 1940 and in the fleet of the United States Department of the Interior′s Fish and Wildlife Service from 1940 to 1942 and from 1946 to 1951, under the control of the University of Washington from 1952 to 1965, and in commission in the fleet of the United States Fish and Wildlife Service from 1965 to 1970 and of the National Oceanic and Atmospheric Administration′s National Marine Fisheries Service (NMFS) from 1970 to 1972. Early in World War II, the ship was transferred from the FWS to the United States Navy for war service and renamed USS YP-197. Immediately transferred to the United States Coast Guard, she operated as a Coast Guard vessel from 1942 to 1945. After her NMFS service, the ship operated commercially as the dive tender MV Baja Explorador before returning to her original name. She fell into disrepair and was scuttled in late 1997 or in January 1998.

Construction and commissioning The U.S. Works Progress Administration allocated US$125,000 to the design and construction of Brown Bear for use by both the United States Department of Agroiulture′s Bureau of Biological Survey and the United States Government′s Alaska Game Commission. The Seattle, Washington, naval architect Harold Cornelius Hanson designed her specifically for biological research work. She had a heavy, wooden, sawn-fir-frame hull sheathed in ironbark and a flush deck with a long forward deck that allowed her crew and embarked scientists to work more easily in Arctic ice. She had a 100-ton cargo storage hold accessible via a hatch in her after deck. She had three separate deck levels, and spacious living space for her crew and embarked scientists was divided among the decks and included sleeping accommodations for 16 people. She carried an 18-foot (5.5-meter) tender – stowed on deck aft of her upper deckhouse when not in use – with a 10-horsepower (8.5-kilowatt) Kermath Marine Engines engine. The Winslow Marine Railway and Shipbuilding Company built Brown Bear at Bainbridge Island, Washington. Her construction took six months. She was launched at Eagle Harbor, Washington, on 7 November 1934 with a large crowd of guests from Seattle looking on. After fitting out was completed, she was commissioned into servicewith the Bureau of Biological Survey.

Operational history

Bureau of Biological Survey and Alaska Game Commission In 1936, Brown Bear made history's first survey of sea otters in and around the Aleutian Islands in the Territory of Alaska. The sea otter herd was of considerable commercial value as a source of furs, and Brown Bear′s survey demonstrated that the sea otters were becoming more numerous and expanding their range, dispelling fears that they were becoming extinct in the Aleutians. Brown Bear also reported sightings of foreign commercial fishing activities in Aleutian waters, something that she did during her other cruises in Alaskan waters as well. Bureau of Biological Survey biologist Olaus Murie – accompanied by other scientists from both the Bureau and the Alaska Game Commission – used Brown Bear from 1936 to 1938 to study resources native to the Aleutian Islands, Alaska Peninsula, and Bering Sea. In 1939, Brown Bear transported Bureau ichthyologist and University of Michigan Curator of Fishes Dr. Carl L. Hubbs to Unalaska and the Pribilof Islands during an intensive study he made of the Territory of Alaska's fisheries and marine mammals, and in September 1939 the ship conveyed him to Seattle.

Fish and Wildlife Service (1940–1941) In 1939, the Bureau of Biological Survey was transferred from the Department of Agriculture to the United States Department of the Interior, and on 30 June 1940, it merged with the Bureau of Fisheries to form the new Fish and Wildlife Service (FWS) as an element of the Department of the Interior. Via this reorganization, Brown Bear became part of the fleet of the new FWS in 1940 as US FWS Brown Bear. In 1940, Brown Bear was assigned to protect game in the Aleutian Islands National Wildlife Refuge, and she spent the year patrolling the islands. During 1941, she made trips along the Aleutian Island chain as far as Attu Island at its westernmost end in support of a U.S. Government effort to explore ways of propagating sea otter populations in the Territory of Alaska.

U.S. Navy and U.S. Coast Guard At some point in the four weeks after the United States entered World War II on 7 December 1941, Brown Bear was transferred to the United States Navy for war service. The Navy designated her as a yard patrol vessel, renamed her USS YP-197, and transferred her to the United States Coast Guard on 5 January 1942. For her war service, she was equipped with a T-106 radio transmitter, a radio receiver, a boom, and a derrick. The Coast Guard used YP-197 to transport personnel and freight in Puget Sound and the San Juan Islands. After the conclusion of the war, the Coast Guard transferred her to the Navy on 2 November 1945, and on 28 March 1946 the Navy transferred her to the FWS.

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with MV Brown Bear

Start with the simplest possible case. Write down what MV Brown Bear 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 MV Brown Bear 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 MV Brown Bear 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 MV Brown Bear

In research: MV Brown Bear 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 MV Brown Bear 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: MV Brown Bear is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1934 ships, Fishery protection vessels, Maritime incidents in 1994, so understanding it makes those chapters shorter.
In everyday life: Look for MV Brown Bear 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 MV Brown Bear in 20 minutes

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

Frequently asked questions

What is MV Brown Bear in simple terms?

Why does MV Brown Bear 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 MV Brown Bear?

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 MV Brown Bear.