Stratification
Jump to navigation
Jump to search
![]() |
Look up stratification, stratified, or stratify in Wiktionary, the free dictionary. |
Stratification may refer to:
In mathematics:
- Stratification (mathematics), any consistent assignment of numbers to predicate symbols
- Data stratification in statistics
In earth sciences:
- Stratification, or stratum, the layering of rocks
- Stratification (archeology), the formation of layers (strata) in which objects are found
- Stratification (water), the formation of water layers based on temperature (and salinity, in oceans)
- Lake stratification, the formation of water layers based on temperature, with mixing in the spring and fall in seasonal climates.
- Atmospheric stratification, the dividing of the Earth's atmosphere into strata
- Inversion (meteorology)
In social sciences:
- Social stratification, the dividing of a society into levels based on power or socioeconomic status
In biology:
- Stratification (botany), where seeds are treated to simulate winter conditions so that germination may occur
- Stratification (clinical trials), partitioning of subjects by a factors other than the intervention
- Stratification (vegetation), the vertical layering of vegetation e.g. within a forest
- Population stratification, the stratification of a genetic population based on allele frequencies