Breidarmerkurfjarra beach

The ice in the Breiðarmerkurjökull outlet glacier is made of compressed snow high up in the Vatnajökull ice cap. The way towards the glacier margin is long while being buried deep in the bowels of the glacier, sliding down the gently sloping land surface. Many centuries later, it ends up in Jökulsárlón glacier lagoon. Thus, the ice is very old precipitation. It contains small bublles with equalily old, compressed air. All the ice in the lagoon or at the nearby beach melts completely and the ancient precipitation enters the terrestial water cycle. The evaporated sea water condenses as clouds that give off precipitation that then fall...