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Why Do Some Lakes Change Color Seasonally?

Why Do Some Lakes Change Color Seasonally?

为什么有些湖泊会随季节改变颜色?

  1. Certain lakes turn pink, red, or green during warm months.
  2. Tiny algae and bacteria thrive in salty or alkaline water.
  3. They produce pigments like beta-carotene for sun protection.
  4. Wind and temperature changes bring nutrients to the surface.
  5. More nutrients mean more colorful microbes bloom.
  6. In winter, cold temperatures slow microbial activity.
  7. The lake then looks clear or blue again.
  8. Scientists study these lakes to learn about ancient Earth environments.
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