cold environments Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

during which season is the soil in Alaska typically frozen?

A

winter

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2
Q

what natural resources extraction is a significant economic activity in Alaska?

A

oil

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3
Q

what is one major transport challenge faced in developing Alaska’s cold environment?

A

limited road access and the need for ice roads, which are seasonal

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4
Q

what role does permafrost play in determining vegetation types in Alaska?

A

restriction of root growth and drainage, which then leads to the dominance of shallow rooted plants like mosses and lichens

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5
Q

what is the term for the permanently frozen ground in Alaska?

A

permafrost

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6
Q

how does permafrost impact human activities like construction in Alaska?

A

requires specialised building techniques to prevent structure form sinking or tilting as the permafrost thaws

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7
Q

what renewable energy source has potential for development in Alaska?

A

wind power

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8
Q

what environmental risk is associated with oil drilling in Alaska?

A

oil spills that can damage fragile ecosystems

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9
Q

what is the usual temperature range during Alaska’s winters?

A

below freezing (-10 and -30’C)

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10
Q

what major challenge for infrastructure development in Alaska due to extreme temperatures?

A

the freezing and thawing cycles that cam damage roads and buildings

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11
Q

what adaptations do animals in Alaska have to survive extreme cold conditions?

A

thick fur, fat layers, hibernation, migration

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12
Q

what makes the provision of infrastructure particularly difficult in Alaska’s cold environment?

A

the harsh climate, permafrost, remoteness make construction and maintenance challenging

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13
Q

what is a key concern related to the loss of wilderness areas due tot the economic development in Alaska?

A

habitat destruction and loss of biodiversity

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14
Q

what industry contributes to Alaska’s economy by attracting visitors to its natural landscapes?

A

tourism

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15
Q

which groups are involved in efforts to protect Alaska’s cold environment?

A

conservation groups, indigenous communities and government agencies

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16
Q

how does permafrost influence the construction of building foundations in Alaska?

A

buildings must be elevated or have insulated foundations to prevent the permafrost from thawing and causing instability

17
Q

how can fishing activites in Alaska’s cold envrieonment dirupt ythe marine food web?

A

overfishing can deplete fish populations and disrupt the marine food web

18
Q

how might economic development contribute to the melting of permafrost in Alaska?

A

construction and industrial activities can increase ground temperatures, leading to permafrost thaw

19
Q

biodiversity in Alaska’s environments is generally ____

A

low

20
Q

how does Alaska’s remote location affect its accessibility for development?

A

it increases transportation costs and makes it difficult to deliver supplies and services

21
Q

how do plants in Alaska adapt to survive long periods without sunglight?

A

they have short growing seasons, grow closer to the ground, and store nutrients

22
Q

what type of environment is Alaska classified as?

A

tundra

23
Q

where in Alaska are large oil reserves primarily located?

A

Prudhoe Bay

24
Q

how does Alaska’s climate affect the types of plants and animals that live there?

A

the extreme cold and short growing seasons limit the variety of species, leading to specialized adaptations