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Only near the poles does the coldest and saltiest water sink. The deep ocean waters slowly warm and freshen through internal mixing (a form of double diffusion [4]), and then rise back to the surface. Examples: Stratification (water) Ocean stratification, the formation of water layers based on temperature and salinity in oceans
Stratification (seeds), 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
The term is an explanation as to how a geologic profile was formed. Stratification on a lateral plane is the physical result of active depositing of different size materials. Density and gravity forces in the downward movement of these materials in a confined system result in a separating of the detritus settling with respect to size.
Stratification in water is the formation in a body of water of relatively distinct and stable layers by density. It occurs in all water bodies where there is stable density variation with depth. Stratification is a barrier to the vertical mixing of water, which affects the exchange of heat, carbon, oxygen and nutrients. [1]
Sedimentary structures include all kinds of features in sediments and sedimentary rocks, formed at the time of deposition.. Sediments and sedimentary rocks are characterized by bedding, which occurs when layers of sediment, with different particle sizes are deposited on top of each other. [1]
Typically, a stratum is generally one of a number of parallel layers that lie one upon another to form enormous thicknesses of strata. [1] The bedding surfaces (bedding planes) that separate strata represent episodic breaks in deposition associated either with periodic erosion , cessation of deposition, or some combination of the two.
For example, air and water; both are fluids and if we consider them together then they can be seen as a stratified fluid system. Density variations in the atmosphere profoundly affect the motion of water and air. Wave phenomena in air flow over the mountains and occurrence of smog are the examples of stratification effect in the atmosphere.
Stratigraphy is a branch of geology concerned with the study of rock layers and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks . Stratigraphy has three related subfields: lithostratigraphy (lithologic stratigraphy), biostratigraphy (biologic stratigraphy), and chronostratigraphy ...