For example: if I write that the amount of water is 4.17 cubic kilometers, most folks find hard to envision.
Accumulation from snow seems to amount to about 2,500 cubic kilometers a year.
The river carries an average annual flow of 21 cubic kilometers.
There is also an estimated 256 cubic kilometers of carbon dioxide.
In 2007, 7.5-8 cubic kilometers of concrete are created annually by humans.
The total volume of ice melted comes out to about two point seven million cubic kilometers.
They can be huge; spread across cubic kilometers of ice.
"They just beam up a couple cubic kilometers of ocean and take it?"
They displaced a volume of water equal to the island itself, several cubic kilometers in all.
A second dam is below this one, and together they can hold a little more than 2 cubic kilometers of water.