GEOLOGY

Detailed explanation-1: -First, the solubility of oxygen decreases as temperature increases ¹. This means that warmer surface water requires less dissolved oxygen to reach 100% air saturation than does deeper, cooler water.

Detailed explanation-2: -Dissolved oxygen, temperature, and aquatic life Cold water can hold more dissolved oxygen than warm water. In winter and early spring, when the water temperature is low, the dissolved oxygen concentration is high. In summer and fall, when the water temperature is high, the dissolved-oxygen concentration is often lower.

Detailed explanation-3: -When water temperatures increase, it causes the gas and water molecules to gain more energy which in turn breaks the weak molecular interactions between water and oxygen molecules, causing the oxygen to escape.

Detailed explanation-4: -Causes of Low Dissolved Oxygen Low dissolved oxygen (DO) primarily results from excessive algae growth caused by phosphorus. Nitrogen is another nutrient that can contribute to algae growth. As the algae die and decompose, the process consumes dissolved oxygen.

Detailed explanation-5: -Ocean warming-driven deoxygenation: Warmer ocean water holds less oxygen and is more buoyant than cooler water. This leads to reduced mixing of oxygenated water near the surface with deeper waters, which naturally contain less oxygen. Warmer water also raises oxygen demand from living organisms.