Spring at the Gulf of Bothnia

The spring is coming to Finland and meltwater is running through rivers into the Baltic Sea. The exceptionally cloudfree Landsat 8 imagery from 2016-04-14 shows beautiful features in the Gulf of Bothnia near the Finnish coastline. Some remaining ice cover still exists at the Bothnian Bay, but algae has already begun to form at the Archipelago Sea.


Below is a zoomable natural color composite of the Landsat 8-imagery in 30 m resolution:

Algae blooms from satellite imagery (Landsat 8)

I’ve been lately tinkering with Libra, a free service to browse and download satellite imagery from Landsat 8 satellite.

This is an image from Landsat 8 satellite (2014-07-23) showing massive algal blooms at Archipelago Sea.


You really should check this huge high resolution image to get a sense of scale.

Those tiny dots are large ships cutting through the algae mush: