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Old'un says:
Thanks for highlighting the fact that no plausible mechanism has been identified by which downwelling long wave radiation can increase ocean heat content. This really is the Achilles heal of alarmism, especially as we are talking about seventy percent of the earth’s surface.
The only mechanism that I know off that has been postulated, is that it warms the thin film surface layer, increasing the temperature gradient across it and thus reduces conductive heat loss from the body of water beneath it. In other words, downwelling radiation acts as an insulant that reduces loss of ocean heat, that is primarily gained from insolation. I am not aware of any paper that quantifies the influence on ocean heat content that such a mechanism would have, but it will surely be only a fraction of the figure derived by multiplying the theoretical forcing by the oceans’ area.
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angech says:
DMI did an Arctic Sea Ice Extent 30% coverage of the The Northern Hemisphere Sea Ice for 11 years.
As of the start of 2016 they have dropped this link.
The 30% coverage had shown above normal sea ice extent for over 2 months and it was at an all time high for that time of year on the 1/8/2016.
No reasons given.
Obviously inconvenient truth bites the warmists dust.