Surface Reflectance

Surface reflectance refers to the proportion of incoming light or radiation that a surface reflects back into the environment, rather than absorbing or transmitting it. It varies depending on the material's properties, color, moisture, and texture. For example, snow has high reflectance because it reflects most sunlight, while asphalt has low reflectance because it absorbs much of the light. Measuring surface reflectance helps scientists analyze the Earth's surface features, monitor environmental changes, and interpret satellite imagery accurately. It provides essential information about surface composition and condition without needing physical contact.