30 Terawatts, 3250 Years, 13.7 Degrees Surface Temperature
- Jul 7, 2018 10:28 pm GMT
The average surface temperature of the Earth is currently 15 C.
Since the temperature of the ocean at a depth of 1000 is universally 4 C, which is about the average of temperature of the ocean at all levels, and a surface temperature of at least 24 C is needed to derive a result from OTEC, the areas in orange to red (the OTEC zone) below are the only ones where the heat of global warming can be regulated.
The graphic is sectioned into squares of 572 kilometers a side and at a power density estimated at (1kW per km2) the OTEC zone has an initial global production potential of about 30 terawatts (TW). Roughly twice the amount of energy we are currently deriving from fossil fuels. It should be noted that the graphic is a representation of annual surface temperatures, so since seasons change, and as shown below the red blob representing a surface temperature of 28 C or above can shift with the winds and/or the seasons, so in a year like 2017 the Atlantic can have a red blob of its own that can produce as severe a hurricane season as the one just witnessed.
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