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ACT Aspire Science: Choosing Sides in Global Warming 0 Views
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Description:
Which side mentions both land ice and sea ice?
Transcript
- 00:00
Yeah Oh okay Aspiring science people Here we go Another
- 00:06
Siri's for you This one on a conflicting viewpoints Well
- 00:10
kind of again Many people today are studying meteorology on
- 00:14
the global scale because global warming is you know a
- 00:16
thing or said better It's a hot topic All right
Full Transcript
- 00:21
moving on There are many contested arguments related to climate
- 00:24
change One question that's debated involved whether Antarctica is losing
- 00:30
or gaining ice One side reports that Isis expanding at
- 00:34
the southern full of the earth This is the opposite
- 00:36
of what global warming says will or should happen Another
- 00:40
side claims that well while the inner part of least
- 00:43
Antarctica is gaining land ice and Arctic up for the
- 00:47
most part is losing land ice coverage at an increasing
- 00:50
rate All right let's go to side A East Antarctica
- 00:53
is many times larger than West Antarctica Parts of the
- 00:57
East have been showing significant cooling in the past few
- 01:00
decades Sea ice that was lost in west Antarctica over
- 01:04
the past three decades was canceled out by increases in
- 01:08
the Ross Sea region alone Therefore see ice conditions have
- 01:13
remained stable across the board For Antarctica There's no significant
- 01:16
change to the massive ice shelves in the east or
- 01:18
indication that the cap is melting The splitting of ice
- 01:22
observed might not be uncommon for the western part of
- 01:25
Antarctica Ice core drilling shows that land ice that the
- 01:28
pole is in fact getting thicker parts That was side
- 01:32
eh Now side be turned over the record There we
- 01:35
go It is important to single out the types of
- 01:38
ice when talking about Antarctica because sea ice and land
- 01:41
ice have different trends and effects Measuring changes in the
- 01:45
land ice of Antarctica is difficult because of the scale
- 01:48
and complexity Early satellite data showed that loss of ice
- 01:54
in the West is happening in the east Interior ice
- 01:57
is actually thickening While there is lost at the edges
- 02:01
making a balanced or net zero loss of ice in
- 02:04
the east will more data has been collected and a
- 02:07
clearer trend has appeared Since two thousand six Land Ison
- 02:11
east has not been mass balanced and is in fact
- 02:14
decreasing well Antarctic sea ice has been showing growth since
- 02:18
the late nineteen seventies The Southern Ocean is warming even
- 02:22
though sea ice is increasing This is from many factors
- 02:26
including the hole in the ozone layer and circulation of
- 02:29
the ocean five and six other Giving all these citation
- 02:33
things Antarctic sea ice is complex and cannot be assessed
- 02:38
by simple interpretations Well these findings raise even more concern
- 02:42
about global warming Right So that was side B Let's
- 02:45
just move right along into the question Seriously So here
- 02:48
we go Which side mentions both land ice and sea
- 02:53
ice Well if you read both side a and side
- 03:00
be carefully Well we can see that both mentioned land
- 03:03
and sea ice kind of a lot side A concentrates
- 03:06
on sea ice but the last sentence very explicitly mentions
- 03:09
land I see right there because I'd be jumps around
- 03:12
more than a penguin on the hot plate That's like
- 03:15
a thing isn't it But it definitely mentioned both sea
- 03:18
ice here in land ice here So that's it The 00:03:22.38 --> [endTime] answer is d
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