The Ocean Physics Behind Net Zero

  Рет қаралды 6,498

Gresham College

Gresham College

Күн бұрын

Пікірлер: 23
@Anthony-ft1od
@Anthony-ft1od 4 ай бұрын
Excellent informative for layman such as myself..very well articulated and plz never stop your incredible work ..thank you 💗
@johnbunyan3070
@johnbunyan3070 Жыл бұрын
A Joule is the heat from one Amp going through one ohm for one second. A calorie is the heat needed to raise one gram of water one degree centigrade. A large Calorie, capital C, raises 1 kg of water o e degree, and is now called a kilocalorie.
@ulicadluga
@ulicadluga Жыл бұрын
Thanks. How many Joules make a kilocalorie? That would allow us to calculate how much warming 700 Zeta Joules means in terms of the Ocean/Land/Air complex.
@ulicadluga
@ulicadluga Жыл бұрын
Wouldn't the melting of glaciers and ice caps bring the deep water temperature down, again masking the energy accumulation and flooding coastal regions - and when all the ice has melted, that would be equivalent to closing the outflow on the large pipe, which would soon escalate the level in the small pipe?
@johnbunyan3070
@johnbunyan3070 Жыл бұрын
@@ulicadluga short answer 4.18 joules per short calorie, 4186 joules per kilocalorie.
@johnbunyan3070
@johnbunyan3070 Жыл бұрын
@@ulicadluga I'm having some problems getting my comments posted, so in short the graph at 19m00s is from a preprint paper called essd-2022-239.pdf, and shows a 370 ZJ rise from 1960 to 2020, about 6 ZJ a year.
@ulicadluga
@ulicadluga Жыл бұрын
@@johnbunyan3070 Thanks. Great to have real world numbers to work with.
@ronaldgarrison8478
@ronaldgarrison8478 Жыл бұрын
42:20 No, it's not going to take that long. Nowhere near that long. We're on this, more than you think.
@Mrch33ky
@Mrch33ky Жыл бұрын
16:01 And the difference between the greenhouse/non-greenhouse equatorial zones/non-equatorial zones. Even Saint NASA hasn't been able to model those two titans accurately yet. Needs more Disney Magic Dust I should surmise.
@malcolmmacqueen2340
@malcolmmacqueen2340 Жыл бұрын
Best explanation of climate change so far!
@jamesjmhumphreys
@jamesjmhumphreys Жыл бұрын
Had to give up. 10 minutes in and the guy has already told us to eat ice as a survival tip (wrong, you melt it first) and that water has a memory.
@someoneelse293
@someoneelse293 Жыл бұрын
Let's see if we can melt the ice caps and all the other stuff guys! Goals!
@roe2012
@roe2012 Жыл бұрын
So how to cool hot tropical air, with the help of cool deep sea water? Do we push hot or warm air through pipe into deep ocean, to circulate back again to us as cold air, or what.
@johnbray3143
@johnbray3143 Жыл бұрын
That pipe model didn't help. I think introducing even those simple equations confused thing, and it could be explained well enough in English. Never liked this kind of approach when I worked at UKMO
@jupeterczech1340
@jupeterczech1340 8 ай бұрын
Clear as mud umm, erhm muddy mud erhm...🙄 you know, roughly, umm, well, hang on... 🤦‍♂️
@StephenFoster-q6n
@StephenFoster-q6n 10 ай бұрын
What a joke. Trying to explain thermodynamics with fluid mechanics is like explaining surgery using knitting. Similar in simpleton terms only.
@alaminmahmud1044
@alaminmahmud1044 Жыл бұрын
Hi
@Mrch33ky
@Mrch33ky Жыл бұрын
nope
@billynomates920
@billynomates920 Жыл бұрын
show us the 'disappointing' line, anyway. too many people have no sense of proportion these days and use science to see what they want.
@Mrch33ky
@Mrch33ky Жыл бұрын
you can thank Einstein and his Merry Mystery Cult for that old chap
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