Translation of "Ijskap" in English

We zeilden tot aan de polaire ijskap.

We have sailed all the way to the polar ice shelf.

Dat er vloeibaar water in de ijskap verstopt zit,

is that there's liquid water hidden inside the ice sheet,

Hier lijkt er water op de bodem van de ijskap te zijn.

There tends to be water at the base of the ice sheet here.

Nu we weten dat water tot op de bodem van de ijskap kan komen,

Now that we know the aquifer water is getting to the base of the ice sheet,