The percent of heat radiation reflected by the different types of surfaces that Earth has (i.e snow, rock, forest, etc.) can be quantified or measured as Albedo.
Albedo is the percentage of sunlight that is reflected off of a surface. The higher the albedo, the more reflective the surface is. Different surfaces have different albedos. For example, fresh snow has a high albedo, while a forest has a low albedo.
The albedo of a surface can have a big impact on the climate. If a surface has a high albedo, it will reflect more heat and stay cooler. If a surface has a low albedo, it will absorb more heat and become warmer.
You can measure the albedo of a surface with a simple device called an albedometer. By measuring the amount of sunlight that is reflected off of a surface, you can calculate the albedo.
Surfaces with a high albedo are important in helping to regulate the Earth’s climate. They help keep the Earth cool by reflecting back sunlight.
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