Oceans - Arctic CS Flashcards

1
Q

What is artic amplification?

A

Increased solar heating as dark water replaces sea ice

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2
Q

How much has the sea ice reduced by?

A

12.6% loss per decade reduction

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3
Q

What has it meant due to little old ice left?

A

Rate of thickness decrease has slowed

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4
Q

How much of the sea ice is seasonal?

A

> 70%

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5
Q

What is sea ice role in the summer?

A
  • Cooling effect -> prevents ocean from absorbing as much heat from solar radiation
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6
Q

When does brine drain out of the ice?

A

When ice grows increasing salinity

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7
Q

When does salinity decrease?

A

Fresh water due to sea ice melt

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8
Q

What is the ice albedo feedback?

A

It is a mechanism that can enhance the decline in sea ice in a warming climate

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9
Q

When is the ice albedo feedback strongest?

A

During summer when solar radiation is at its peak

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10
Q

Where is Europes largest rare earth mineral deposits found?

A

Sweden

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11
Q

Why are REM valuable?

A

Useful for tech and renewable energy

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12
Q

How much are Arctic Russian resources worth?

A

$1.5 -2 trillion

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13
Q

How many barrels of oil in the Arctic?

A

90 bn barrels

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14
Q

How many feet of natural gas?

A

1670 trillion ft^3

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15
Q

How many barrels of liquid natural gas in the Arctic?

A

44 bn barrels

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16
Q

What are Norways plans in 2023?

A

Exploit areas on the extended shelf

17
Q

How has reduction in sea ice impacted exploitation of natural resources?

A

Made it easier

18
Q

Which three countries claim the Lomonosov ridge?

A

Greenland, Russia, Canada

19
Q

What have the UN not conclude?

A

On any claim of sovereignty over the Arctic sea bed

20
Q

When did Russia plant the flag past their EEZ?

A

2007

21
Q

Why is Russia the superpower in the region?

A
  • Huge resource extraction industry
  • High military presence
22
Q

What is the estimated value of mineral resources in Russias North?

A

> $22.4 trillion

23
Q

What is the 2035 Arctic Strategy?

A

Strategy for Developing the Russian Arctic Zone and ensuring national security

24
Q

Who are NATO’s competitors?

A

The Russian Federation and the People’s Republic of China

25
Q

What military presence does Russia have?

A

Northern Military Fleet Installations

26
Q

Where is there increased navigability of the Arctic Ocean?

A
  • Northern Sea Route
  • The Northwest Passage
27
Q

Who is more interested in the region due to trade routes?

A

China

28
Q

How much would the journey change if the Europe - Asia trip was take through the Northen Sea Route?

A
  • Reduced to 18 days
  • Distance halved
29
Q

What does thawing ice mean for shipping?

A
  • Reduced time
  • Reduced costs
  • Longer periods of international trade in the Arctic
30
Q

What % of people in the Arctic are indigenous people?

A

10%

31
Q

Why do indigenous have a specific connection to the land?

A
  • Distinct language
  • Culture
  • Traditional livelihoods -> fishing & hunting
32
Q

What impact does the changing Arctic have on indigenous people?

A
  • Impacts traditional harvesting activities -> thin ice - dangerous hunting
  • Relocation due to melting permafrost- housing + infrastructure
  • Negative health impacts - consuming organic pollutants ingesting seal & whale