Nobody, including Trenberth, has said energy diffused / mixed into
the vast abyssal ocean is going to somehow stick itself back together as a hot blob and come back out.
Where I am we have a railway, we have a road system, we have a port, we have
abyssal depths a few hundred kilometers away, and we have
vast expanses of pebbles covered with a light coating of dust that could benefit from amendment with biochar.