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dan bull - glaciers lyrics

the closer to the poles of the earth you go
or ascend heights, the temperature turns low
ten thousand years ago, the world was colder than it is today
britain immersed in snow
glaciation changed the face of the countryside
to become more like the earth we know
working slowly, giant hunks of ice cut and slide then push aside tons of stone
signs say at the time of the ice age
a third of the earth’s surface totally snowed over
then the fahrenheit rose, polar caps and ice flows
capsized, and shrank in size loads
today the only glaciers remain on high lat-tudes or low alt-tude terrain
so though only a tenth of the globe’s glaciated
there’s occ-ssional formations close the the equator
see the way that they’re made in this how-to guide
snowflakes acc-mulate in mountainsides
the weight creates pressure
making a firm and dense substance that’s termed by the name of firn
if the ice stays frozen as snow falls
then it snowb-lls, grows and grows more
and as the m-ss increases
gradually gravity grabs m-ssive pieces and releases them
woe betide anything in the way
as they slowly slide lower and erode it away
with an amazing grace
glaciers patiently changed the landscape on a grand scale
glaciers, how long will they stay here?
glaciers, how long will they stay here?
two major stages make up glacier formation
and they’re named acc-mulation and ablation
acc-mulation happens in the winter, it gets bigger
while ablation is the inverse
it shrinks year to year every summer then returns
and that’s the basic annual changes that happen to a glacier
but on a grander timescale
the average size fails to remain the same
and changes at a snail’s pace
now i don’t wanna get too technical
so let me just explain the basics
and then i’ll change the subject
if you take away ablation from acc-mulation
then the data you remain with is the glacial budget
if the figure’s bigger than zero, it’s advancing
but if it’s less than, it’s a negative regime
the level will decrease until everything retreats
and all we’re left with is just a petty little piece of what it used to be
experts agree that greenhouse gas such as cfcs
mean the atmosphere’s heat’s increasing
leading to deeper seas, the decline in ice
causing rising tides on sh-r-lines worldwide
glaciers, how long will they stay here?
glaciers, how long will they stay here?

- dan bull lyrics

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