The reflecting power of a surface, expressed as a ratio of reflected radiation to incident or incoming radiation; it is sometimes expressed as a percentage. Albedo is also called the "reflection coefficient" and derives from the Latin...

The portion of the solar radiation reaching the earth’s surface which is reflected immediately back into the atmosphere. The average value is about 40% but varies locally with the nature of the surface on which the radiation impinges, see Solar...

The albedo of an object is the extent to which it diffusely reflects light, defined as the ratio of diffusely reflected to incident electromagnetic radiation. It is a unitless measure indicative of a surface's or body's diffuse reflectivity. The word is...

Earlier blooms. Less snow to shovel. Unseasonable warm spells. Signs that winters in the Northeast are losing their bite have been abundant in recent years and now researchers have nailed down numbers to show just how big the changes have been.A study of weather station...