cake ice
From Glossary of Meteorology
Flat pieces of sea ice larger than brash.
Cake ice is often tightly packed, giving it a mosaic appearance, but its surface is generally smooth in contrast to rough, hummocked pressure ice.
Cake ice is often tightly packed, giving it a mosaic appearance, but its surface is generally smooth in contrast to rough, hummocked pressure ice.
where L0 is the luminance of a target object and Ls is that of its immediate visual surroundings.