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← GeographyWhich long-term consequence will increased thermocline depth induce within stratified glacial lakes?
A)Reduced nutrient availability for algae✓
B)Increased methane clathrate formation rates
C)Amplified seasonal lake overturn events
D)Decreased lake sediment accumulation rate
💡 Explanation
Shallower hypolimnion decreases the mixing depth in stratified lakes. It limits nutrient transfer to the epilimnion (upper layer) because of density differences; therefore, algae experience nutrient deficiency, rather than increased gas production or sediment changes under different depths.
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