Stratification — is the building up of layers, and can have several meanings *Social stratification, is the dividing of a society into levels based on wealth or power. *Stratification in archaeology is the formation of layers (strata) in which objects are found.… … Wikipedia
Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… … Wikipedia
Stratification (botany) — In horticulture, stratification is the process of pretreating seeds to simulate natural conditions that a seed must endure before germination. Many seed species have what is called an embryonic dormancy and generally speaking will not sprout… … Wikipedia
stratification — /strat euh fi kay sheuhn/, n. 1. the act or an instance of stratifying. 2. a stratified state or appearance: the stratification of ancient ruins from eight different periods. 3. Sociol. the hierarchical or vertical division of society according… … Universalium
Water column — A water column is a conceptual column of water from surface to bottom sediments. [ [http://waterontheweb.org/resources/glossary.html#W Water on the Web | Resources | Glossary ] ] This concept is used chiefly for environmental studies evaluating… … Wikipedia
water bloom — Dense aquatic accumulation of microscopic organisms produced by an abundance of nutrients in surface water coupled with adequate sunlight for photosynthesis. The microorganisms or the toxic substances they release may discolour the water, exhaust … Universalium
stratification — 1. A depositional structure of sedimentary rocks in beds and layers [16]. 2. The separation into non discrete layers of water as a result of chemical, saline, or temperature differences which in turn create density differences in the water … Lexicon of Cave and Karst Terminology
stratification — the separation of a lake or body of water into layers of different temperature, due to heating of the surface and failure of heat to reach the bottom. See hypolimnion thermocline, epilimnion … Dictionary of ichthyology
Lake stratification — Lake zones Littoral zone Limnetic zone Profundal zone Bent … Wikipedia
inland water ecosystem — ▪ biology Introduction complex of living organisms in free water on continental landmasses. Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… … Universalium