Kachemak Bay

NASA

Kachemak Bay’s Stony Waters

The OLI (Operational Land Imager) on Landsat 8 captured an image of Kachemak Bay’s turbid, cloudy waters on September 20, 2024. This cloudiness comes from glacial flour: bits of pulverized rock ground down by glaciers that has the consistency of flour. Several meltwater streams rich with the particles, sometimes called suspended sediment, absorb and scatter sunlight in ways that turn water a milky blue-green hue. The water that…