Dear all,
our rap video on clouds and climate sensitivity
(https://youtu.be/Luu7k6RU5Ug) now has subtitles in German, Italian,
Spanish and Brasilian Portugese, thanks to volunteer translators Sabrina
Harich, Nico Cimini, Yanmichel Morfa Avalos and David Marcolino Nielsen.
That’s great! But here is a challenge: How many more languages can we
do? The process is very simple, just take the attached .srt file and
replace the text by the text in your language. It is important that you
keep the formatting and time codes exactly as they are.
If you want to help, drop me and Oliver (here on Cc) an Email first, to
make sure that nobody is already working on your language. (Please
always include Oliver, since he will still be here while I’m on
vacation.)
The video is approaching 4k views on youtube now. If you are active on
social media (I have in particular the students in mind here), and you
like it, please help spread, hashtag #CloudsAndClimateSensitivityRap .
I can only reach Meteorology students directly, so would also appreciate
if you could forward to your students.
Best wishes to you all, and have a great summer!
Stefan
P.s.: Interview on the story behind the video:
https://www.cliccs.uni-hamburg.de/about-cliccs/news/2021-news/2021-06-23-climate-research-into-music.html
1
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Rain your secrets down
2
00:00:17,766 --> 00:00:19,934
Feelin’ that equanimity
3
00:00:19,934 --> 00:00:22,260
Like, “Yeah,
whatever will be will be”
4
00:00:22,260 --> 00:00:24,110
But still get jittery considering
5
00:00:24,110 --> 00:00:26,514
Equilibrium Climate Sensitivity
6
00:00:26,514 --> 00:00:28,728
Riddle me this:
how hot is it gonna get?
7
00:00:28,728 --> 00:00:30,897
If CO2 levels end up doublin’?
8
00:00:30,897 --> 00:00:34,010
Between 1.5 and 4.5 degrees
of extra heat?
9
00:00:34,010 --> 00:00:35,152
You gotta be kidding me
10
00:00:35,152 --> 00:00:37,010
How you gonna plan
for a three degree range?
11
00:00:37,010 --> 00:00:39,580
Somewhere between
mild fever and extreme pain?
12
00:00:39,580 --> 00:00:41,096
Estimation of ECS
13
00:00:41,096 --> 00:00:43,280
That’s the Holy Grail
of the climate quest
14
00:00:43,280 --> 00:00:44,760
The heat trap is set
15
00:00:44,760 --> 00:00:47,600
But sensitivity depends
on complex feedback effects
16
00:00:47,600 --> 00:00:48,600
Like Planck’s Law
17
00:00:48,600 --> 00:00:51,660
It says: “The hotter it gets
The more radiation a body emits”
18
00:00:51,660 --> 00:00:54,010
That’s a negative feedback,
hey that’s great
19
00:00:53,971 --> 00:00:56,140
Coolin’ us off like
Lapse Rate change
20
00:00:56,140 --> 00:00:58,719
But the hotter it gets,
the more liquid evaporates
21
00:00:58,719 --> 00:01:00,360
And that just jacks up the pace
22
00:01:00,360 --> 00:01:02,500
‘Cause water vapor
is a greenhouse gas
23
00:01:02,500 --> 00:01:04,151
That doubles the carbon impact
24
00:01:04,151 --> 00:01:06,875
But whether that final measure goes up or
down
25
00:01:06,875 --> 00:01:10,159
Is mostly down to little fluffy clouds
26
00:01:10,159 --> 00:01:14,202
Little fluffy clouds
27
00:01:14,202 --> 00:01:18,431
Spill your secrets out
28
00:01:18,431 --> 00:01:22,913
High wispy clouds
29
00:01:22,913 --> 00:01:26,346
Wrap us in your shroud
30
00:01:26,346 --> 00:01:28,156
Low wavy clouds
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Long, dark, and round
32
00:01:30,456 --> 00:01:32,669
Low wavy clouds
33
00:01:32,669 --> 00:01:35,756
Long, dark, and round
34
00:01:35,756 --> 00:01:39,000
Rain your secrets down
35
00:01:39,000 --> 00:01:42,744
Rain your secrets down
36
00:01:47,237 --> 00:01:50,063
Clouds, condensation on aerosols
37
00:01:50,063 --> 00:01:51,764
When you’re talkin’ feedback,
they’re involved
38
00:01:51,764 --> 00:01:53,918
Bounce sunlight back like a parasol
39
00:01:53,918 --> 00:01:56,000
There’s a real puzzle in there to solve
40
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Does a cloud heat the planet up, or cool it?
41
00:01:58,119 --> 00:02:00,000
Depends on the height
and thickness through it
42
00:02:00,000 --> 00:02:02,376
Plus the light, reflected like a mirror
43
00:02:02,376 --> 00:02:04,380
Blanket-like high-altitude cirrus
44
00:02:04,380 --> 00:02:06,640
Absorb more heat than they bounce back
45
00:02:06,640 --> 00:02:08,787
Damn, that fixed anvil temperature’s FAT
46
00:02:08,787 --> 00:02:10,880
Warm it up and the clouds move up
47
00:02:10,880 --> 00:02:12,950
Positive feedback heat trap booster
48
00:02:12,950 --> 00:02:15,160
What about low clouds though,
in the tropics?
49
00:02:15,160 --> 00:02:17,408
Endless flat vistas to get lost in
50
00:02:17,408 --> 00:02:19,409
They look vast and voluminous now
51
00:02:19,409 --> 00:02:21,910
But those stratocumulus clouds
are newly in doubt
52
00:02:21,910 --> 00:02:23,660
In fact, a new model found
53
00:02:23,660 --> 00:02:25,570
That burning enough
CO2 from the ground
54
00:02:25,570 --> 00:02:27,650
Can break them up into
cumulus clouds
55
00:02:27,650 --> 00:02:29,870
And that’s gonna stop them
from cooling us down
56
00:02:29,870 --> 00:02:31,960
Plus, once you bust them up into pieces
57
00:02:31,960 --> 00:02:34,165
It’s tough to go back,
‘cause hysteresis
58
00:02:34,165 --> 00:02:36,300
The past is present, it's a sequence
59
00:02:36,300 --> 00:02:40,563
We just need clouds to spill their secrets
60
00:02:40,563 --> 00:02:42,894
So spill your secrets
61
00:02:43,805 --> 00:02:48,000
Little fluffy clouds
62
00:02:48,000 --> 00:02:52,029
Spill your secrets out
63
00:02:52,029 --> 00:02:56,642
High wispy clouds
64
00:02:56,642 --> 00:02:59,792
Wrap us in your shroud
65
00:02:59,792 --> 00:03:02,016
Low wavy clouds
66
00:03:02,016 --> 00:03:03,892
Long, dark, and round
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00:03:03,892 --> 00:03:06,256
Low wavy clouds
68
00:03:06,256 --> 00:03:09,741
Long, dark, and round
69
00:03:09,741 --> 00:03:12,715
Rain your secrets down
70
00:03:12,715 --> 00:03:16,459
Rain your secrets down
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00:03:21,121 --> 00:03:22,061
Clouds
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00:03:22,061 --> 00:03:23,182
Leavin’ models jammed up
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00:03:23,182 --> 00:03:25,489
Since 1970
What’s the answer?
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00:03:25,489 --> 00:03:27,331
Better science, y’all,
that’s what
75
00:03:27,331 --> 00:03:29,480
Add the feedbacks up,
that’s “Lambda”
76
00:03:29,480 --> 00:03:31,600
Clouds are cooling the planet on average
77
00:03:31,600 --> 00:03:33,730
But warming the atmosphere
changes the balance
78
00:03:33,730 --> 00:03:35,819
And tiny reshaping of feedback effects
79
00:03:35,819 --> 00:03:37,980
Can have radiative impacts
that are massive
80
00:03:37,980 --> 00:03:40,069
And heating the planet
is changing the clouds
81
00:03:40,069 --> 00:03:42,080
We need to know how,
we need a “Eureka”
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00:03:42,080 --> 00:03:44,290
To see how the clouds
and convection entrain
83
00:03:44,290 --> 00:03:46,790
And which is the swept-up
and which is the sweeper
84
00:03:46,790 --> 00:03:47,705
What’s the answer?
85
00:03:47,705 --> 00:03:48,835
That’s the wrong frame
86
00:03:48,835 --> 00:03:50,980
Instead ask:
“What’s the probability range?”
87
00:03:50,980 --> 00:03:52,930
That feedback dampens or amplifies
88
00:03:52,930 --> 00:03:55,110
And how much is the physics
parameterized?
89
00:03:55,110 --> 00:03:57,000
Multiple lines are converging to find
90
00:03:57,000 --> 00:03:59,100
That the bottom is no longer 1.5
91
00:03:59,100 --> 00:04:01,400
For ECS, it’s 2.3 degrees
92
00:04:01,400 --> 00:04:03,474
With a 95% probability
93
00:04:03,474 --> 00:04:06,000
Which means
we’re not gonna get off cheap
94
00:04:06,000 --> 00:04:07,849
I guess that “three degree range”
got squeezed
95
00:04:07,849 --> 00:04:09,895
By the gap in the clouds
where the light struck
96
00:04:09,895 --> 00:04:13,408
Revised up, so
time to wise up
97
00:04:13,408 --> 00:04:15,762
Tick tick tick tick
98
00:04:15,762 --> 00:04:17,661
Time’s up
99
00:04:17,661 --> 00:04:21,762
Little fluffy clouds
100
00:04:21,762 --> 00:04:25,945
Spill your secrets out
101
00:04:25,945 --> 00:04:30,406
High wispy clouds
102
00:04:30,406 --> 00:04:33,628
Wrap us in your shroud
103
00:04:33,628 --> 00:04:35,708
Low wavy clouds
104
00:04:35,708 --> 00:04:37,864
Long, dark, and round
105
00:04:37,864 --> 00:04:39,866
Low wavy clouds
106
00:04:39,863 --> 00:04:43,164
Long, dark, and round
107
00:04:43,164 --> 00:04:46,376
Rain your secrets down
108
00:04:46,376 --> 00:04:50,690
Rain your secrets down
109
00:05:00,248 --> 00:05:04,629
Little fluffy clouds
110
00:05:04,629 --> 00:05:08,683
Rain your secrets down
111
00:05:08,683 --> 00:05:12,000
Little fluffy clouds
112
00:05:12,000 --> 00:05:16,112
Rain your secrets down
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