But look, it's growing in stripes! I want to assault that iceberg with a pickaxe and extract many different samples to analyze and see why the algae are growing intensely in some areas, moderately in others, and little or none in some. I'm betting on either density or nutrients. The stripes mean snow/ice of different ages is more or less attractive; it's a regular pattern. If we could figure out what the algae likes and dislikes, that might help us shoo it away.