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Questions and Answers
Which of the following is the second largest contributor to polar drift, after the rebound of Earth's surface following the retreat of glaciers since the last ice age?
Which of the following is the second largest contributor to polar drift, after the rebound of Earth's surface following the retreat of glaciers since the last ice age?
- Seasonal weather patterns
- The Chandler wobble
- Irrigation (correct)
- Long-term variations in temperature and salinity of ocean water
What is the estimated distance that the North Pole has been nudged by irrigation from 1993 through 2010?
What is the estimated distance that the North Pole has been nudged by irrigation from 1993 through 2010?
- 78 millimeters
- 78 meters
- 78 centimeters (correct)
- 78 kilometers
What causes part of the cyclical drift of the North Pole across the Arctic seascape?
What causes part of the cyclical drift of the North Pole across the Arctic seascape?
- The Chandler wobble
- Long-term variations in temperature and salinity of ocean water
- Irrigation
- Seasonal weather patterns (correct)
What is the 14-month-long oscillation that helps drive the movement of the North Pole?
What is the 14-month-long oscillation that helps drive the movement of the North Pole?
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According to Clark Wilson, a geophysicist at the University of Texas at Austin, what else moves the North Pole around, aside from the cyclical drift and oscillations?
According to Clark Wilson, a geophysicist at the University of Texas at Austin, what else moves the North Pole around, aside from the cyclical drift and oscillations?
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