See video below |
A government scientist and two civilian scientists discuss the matter.
They also speculate a bit about what caused the unexpected and unusually large jump in global temperature.
Since the measurements presented in previous Dredd Blog posts indicate that the deepest ocean layer, the Hadopelagic, has warmed up to the point of being warmer than the ocean layer above it, the Abyssopelagic, I am going to offer a speculation (hypothesis) too.
I hypothesize or speculate that warmth (ocean heat - potential enthalpy) in the form of photons is being emitted from the oceans and/or atmospheric heat is not being absorbed as efficiently as it has been in the past because the oceans have reached a saturation point whereby they can no longer absorb and disperse visible-light photons or infrared photons as readily as they have been able to in the past.
Dr. Falkowski, in the second video below, makes a relevant observation:
Snapshot from 2nd video below |
(video times in [brackets]). The ocean has been absorbing over 90% of the increasing heat from global warming that began circa the year 1750 when the industrial revolution began.
At some point in time the percentage of photons that have gone into the ocean makes it warmer than the air above it, so in accord with the second law of thermodynamics, that warmth will flow back out of the ocean and back into any cooler atmosphere above it at an increasing rate.
In other places it will merely slow down the absorption rate of flow from the atmosphere to the oceans.
This is a natural phenomenon that happens all the time, but what we are considering is the increasing amounts being radiated into the ocean and the decrease in capacity of absorption of atmospheric heat by the oceans.
Both of which have an impact on the average global temperature (cf. Re-radiation, Fog over Water).
Of course this is not a uniform phenomenon happening the same in every ocean, instead, each ocean is impacted in accord with its own ecosystem characteristics, i.e. the temperature of the air above it and the temperatures of its seawater.
If you care to read up on the concept of The Photon Current you can do so here on Dredd Blog: The Photon Current, 2, 3, 4.
The next post in this series is here, the previous post in this series is here.
After all these years photons are still ghosts (Link).
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