MORE HUMAN HEAT WARMS EARTH

Earth could be heating by a small amount of global warming. The bigger picture is that the Earth is in thermal equilibrium with the Sun.  Heat enters the Earth’s atmosphere and oceans steadily from daily solar radiation and from human consumption of energy. Some of the heat leaves quickly, radiated back into space. Other heat lingers and is gradually dissipated. 

Time for heat present to be replaced is its average residence time, which I have calculated as roughly 60 days for heat on Earth. On average, heat would circulate for 60 days before it is radiated into space. Some heat would be present more briefly, while other heat could be present longer. The heat would flow from hot to cold places. The heat could be absorbed by the oceans or land masses until released again and passed into the atmosphere and space. 

Hot surfaces, air and water cool by flow of heat to lower temperatures. The heat on Earth flows in winds and ocean currents reducing to ambient temperatures. The energy at this temperature is too cool to be used and is called ‘entropy’. The Earth’s thermal sources of energy such as fossil fuels, fires and geothermal resources are running down as they are converted to entropy. 

An increase in residence time of heat on Earth would be measured as higher temperatures, such as global warming. The most likely explanation is entropy gain by increased wastage of heat by humans. Increased radiation entrapment seems unlikely by physical processes.

A new paradigm of climate science is in my fiction novel Animal Farm 2.

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About martinknox

Materially minimalist; gastronomically prefer food I cook; biologically an unattached male survivor; economically independent; sociologically a learner and teacher of science; psychologically selfaltruistic; anthropologically West Country English tenant farmer; religiously variable; ethically case by case; philosophically a sceptical Popperian.

Posted on March 11, 2022, in Animal Farm 2, energy consumption and tagged , , , , , . Bookmark the permalink. Comments Off on MORE HUMAN HEAT WARMS EARTH.

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