This has enabled scientists to estimate the volume of water in the ice cap and speculate that much of the planet's original water is either hidden below the surface or missing.
They also look very similar to the simulations coming out of Piomas (Pan-Arctic Ice-Ocean Modelling and Assimilation System), an influential computer model that has been used to estimate Arctic sea-ice volume and which has been the basis for several predictions about when summer sea ice might disappear completely.
However, there could be about 10% upside to our price estimate for Nasdaq if the daily volume of options contract traded in U.S. exchanges increased to 27 million by 2017 because of the proposed bill.