science behind glaciers
The source of the majority of glaciers on earth
What is the last ice age
The color of the youngest icebergs
what are white icebergs
Measured by the difference in snow depth against stakes inserted into glaciers
what is mass balance
The length (in years) of the longest ice core from Antartica
what is 800,000 years
The difference in CO2 levels now compared to before the industrial revolution (a %)
what is 50%
when water evaporates directly from ice
what is sublimation
What is white, blue, green, black and brown stripped?
the rough height lost off glaciers per year
what is 4 ft
The aspect of ice cores that allows us to evaluate the CO2 levels at the time of freezing
What is trapped air bubbles
The two contributing factors to the positive feedback loop for Earth's temperature rise involving glaciers and ice sheets
glaciers with with a terminus ending in a lake or an ocean
what are tidewater glaciers
The cause of green icebergs
what is a snow pit
The farthest back instrumental methods can measure CO2 levels (a year)
what is 1950
what is 15 ppm