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
Valiant Is the Word for Carrie wounded creatures which he found - a tomcat and an owl. The African-American taxi driver Lon is Carrie and Paul's friend and confidant, keeping their secret. (Strangely for modern sensibilities, the word "nigger" is repeatedly used for this highly positive and sympathetic character, clearly without any hint of pejorative intent.) Deeply jealous of Paul's mother, who can have him every day, Carrie is aware that this friendship would not last, and that the town's established society would cut it off once discovered. And so indeed it does come to pass, and even worse than Carrie feared. Hearing that Paul was