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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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barry barry
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10 years ago
Over the past 50 years the average rate of sea level rise has been 1.8 mm per year. Explain the two primary factors responsible for this rise in sea level.
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10 years ago
The expansion of water (in this case ocean water) as it warms is an important factor. Surface ocean waters have warmed as much a 0.9 °F during the past 50 years. Also, the warming of the atmosphere has led to the melting of continental ice sheets and alpine glaciers, both of which increase the amount of water in ocean basins, causing sea level to rise. The melting of Arctic ice does not cause sea level to rise, as this ice is already floating on the surface of ocean water (just as an ice cube melting in a glass of water will not increase the volume of water in the glass).
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barry Authorbarry
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10 years ago
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