Thaw depth thaw line than clays. Yet another factors are the vegetation and the percentage of the soil organic matter, which influence the bulk density of the soil, and hence thermal conductivity. 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
The Day Lasts More Than a Hundred Years The Day Lasts More Than a Hundred Years The Day Lasts More Than a Hundred Years (, "And longer than a century lasts a day"), originally published in Russian in the "Novy Mir" literary magazine in 1980, is a novel written by the Kyrgyz author Chinghiz Aitmatov. In an introduction written in 1990, during "perestroika", the author wrote that the original title was "The Hoop" ("Обруч"), which was rejected by censors. The title "The Day Lasts More Than a Hundred Years", taken from the poem "Unique Days" ("единственные дни") by Boris Pasternak, used for the magazine version ("Novy Mir", #11,