Whitely - The Arctic Tundra Flashcards

1
Q

The southern limit is the ….. …… ……..

A

10°c July Isotherm

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2
Q

Precipitation is highest during the late summer .on the leading into the winter.
Highest of …..mm in August

A

31mm in August

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3
Q

……… fecal pellets offer a rare source of nutrients.

A

Caribou

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4
Q

Cold air has …….. can to hold water vapour.

A

Less capacity

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5
Q

Knock - …….. Soils

Lochan - ……… Soils around former ice sheets

A

Knock - thin soils

Lochan - thicker soils around former ice sheets

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6
Q

As the monthly air temperature rises the mean monthly flow increases. There are 2 main peaks in …….. and ……….

A

2 main peaks in June and August

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7
Q

Biogenic Methane Hydrate - formed thousands of years ago - close to the surface - it makes up ……%

Thermogenic Methane Hydrate - millions of years ago - deep within the crust. ……..%

A

Biogenic 80%

Thermogenic 20%

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