QuestionJune 20, 2025

10. How does warming up ocean water cause the decrease in the oxygen level? (15 pts)

10. How does warming up ocean water cause the decrease in the oxygen level? (15 pts)
10. How does warming up ocean water cause the decrease in the oxygen level? (15 pts)

Solution
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Answer

Warming ocean water decreases oxygen levels due to reduced solubility, increased consumption by organisms, and limited atmospheric replenishment. Explanation 1. Understand the relationship between temperature and gas solubility As water temperature increases, the solubility of gases decreases. This means warmer water holds less oxygen. 2. Analyze biological impacts Warmer temperatures increase metabolic rates in marine organisms, leading to higher oxygen consumption. 3. Consider stratification effects Increased temperature can cause stratification, reducing mixing and limiting oxygen replenishment from the atmosphere.

Explanation

1. Understand the relationship between temperature and gas solubility<br /> As water temperature increases, the solubility of gases decreases. This means warmer water holds less oxygen.<br /><br />2. Analyze biological impacts<br /> Warmer temperatures increase metabolic rates in marine organisms, leading to higher oxygen consumption.<br /><br />3. Consider stratification effects<br /> Increased temperature can cause stratification, reducing mixing and limiting oxygen replenishment from the atmosphere.
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