Though the field sits in shallow water, this part of the Caspian freezes over in winter and fierce winds blow chunks of ice into the islands that the consortium has built to develop the field.
The former, the simple-lifers, arrive in summer with high ideals, but soon discover the delights of social security when winterwinds blow their crops away.
This tracks the difference in air pressure between Iceland and the Azores and, during the winter months, determines the strength of the winds, temperatures and rainfall in the St Kilda archipelago.