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1. Crop protection climatology: - This aims at preventing the temperature of valuable crops to fall below freezing e.g. by use of smoke generating heaters within the area to be protected.
The purpose is to warm the air directly and efficiently.
2. Local scale climate engineering: - Frost is also of concern to the transportation industry.
Railroad switches (railway points) in areas prone to frost and icing are frequently electrically heated, while some sensitive intensely used roadways have electrical heaters built into their roadbed. This is most commonly found on bridges, which lack the thermal inertia of the land based road and is thus more sensitive to temperature changes.
francis1897 answered the question on January 11, 2023 at 11:44
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