Climate Research

    

On Geoengineering and Implementing an Albedo Solution with Urban Heat Islands Global Warming and Cooling Estimates

Authors: Alec Feinberg

Surface albedo geoengineering is vital in Global Warming (GW) as results can reverse trends and reduce the probability of a tipping point. Although an albedo solution is reasonably practical, work in this area appears stagnant and even implementing Urban Heat Island (UHI) cool roofs on a global level has not yet been widely adopted. This paper provides basic modeling and motivation by illustrating the potential impact of reverse forcing. We provide insights into “Earthly areas” that might be utilized to increase the opportunity for reducing warming. Modeling shows that by solar geoengineering select hotspots with aspects like large heat capacities, such as UHIs, and possibly mountain regions, the effective area could be roughly 11 times smaller than nominal non-hotspot regions in influencing global warming. We find that between 0.2% and 1% of the Earth would require an albedo modification to resolve most of global warming. Results are highly dependent on modeling aspects like heat capacity, irradiance, and albedo changes of the area selected. The versatile model was also used to provide UHIs global warming and cooling estimates illustrating their importance.

Comments: 15 Pages. Key Words: Albedo Solution, Global Warming Solution, Global Warming Re-radiation Model, Albedo Modeling, Hotspot Mitigation, UHI Global Warming Estimates

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Submission history

[v1] 2020-06-22 12:30:56
[v2] 2020-06-23 12:15:35
[v3] 2020-06-25 12:05:02
[v4] 2020-07-01 17:25:23
[v5] 2020-07-08 12:10:48
[v6] 2020-07-18 15:09:08
[v7] 2020-07-19 12:48:36
[v8] 2020-08-14 14:28:58
[v9] 2020-08-22 16:55:05

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