Why the water looks green

Slower light waves are absorbed in the deep, clear water

Green and blue light waves are reflected

Calcium

carbonate

Top layer

Bacteria

Bottom layer

Sediment

Slower light waves are absorbed in the deep, clear water

Green and blue light waves are reflected

Calcium

carbonate

Top layer

Bacteria

Bottom layer

Sediment

Slower light waves are absorbed in the deep, clear water

Green and blue light waves are reflected

Calcium

carbonate

Top layer

Bacteria

Bottom layer

Sediment

Source: Green Lakes State Park Peter Allen | pallen@syracuse.com