> For the complete documentation index, see [llms.txt](https://swatplus.gitbook.io/io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/alb.md).

# alb

The ratio of the amount of solar radiation reflected by a body to the amount incident upon it. The value for albedo should be reported when the soil is at or near field capacity.