Home Water Studying algal blooms, light penetration and oxygen levels in a phosphorus-rich lake

Studying algal blooms, light penetration and oxygen levels in a phosphorus-rich lake

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Dissolved-oxygen-sampling
Dissolved oxygen profiling at Swan Lake, with inset showing algal bloom.

By Robert Bowen

Conditions within high total phosphorus lakes vary significantly over the course of a year as available nutrients allow for the ramping up of large biomasses, creating algal blooms and strong diurnal cycling of dissolved oxygen (DO). Photosynthetic processes require nutrients, dissolved carbon dioxide and light. Light penetration plays an important role in the distribution of DO in the water column.

Read the full article in ES&E Magazine’s February 2021 issue:

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