Thaw depth Thaw depth In soil science, the thaw depth or thaw line is the instantaneous level down to which the soil has warmed to zero degrees celcius. The active layer thickness is the maximum thaw depth over a period of two years. The layer of soil over the thaw depth is called the active layer, while the soil below is called permafrost. The term frost front refers to the varying position of the thaw line during the periods of freezing/thawing. The knowledge of the thaw depth is important for the two major reasons: its influence on the ecology and on construction
Things Aren't Simple Any More scheduling. If Victor dies at Christmas it's going to look like a naked push for ratings. The opposite is true: I want Victor's departure to be significant, but stripped of sensationalism. Renwick outlined his concerns in a letter dated 19 May 2000 to Peter Salmon, the controller of BBC1: [The show] draws its rhythms and inspiration from reality, and occasionally has the power to disarm the viewer with material that is darker or more reflective than they are used to ... Death may be tragic but it is commonplace, the eternal Truth. Let's not trumpet it, but place it simply