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The technical distinction between a pond and a lake has not been universally standardized. Limnologists and freshwater biologists have proposed formal definitions for pond, in part to include 'bodies of water where light penetrates to the bottom of the waterbody', 'bodies of water shallow enough for rooted water plants to grow throughout', and 'bodies of water which lack wave action on the ...
The Bonneville Salt Flats, Utah. The Bonneville Salt Flats in Utah, where many land speed records have been set, are a well-known salt pan in the arid regions of the western United States. The Etosha pan, in the Etosha National Park in Namibia, is another prominent example of a salt pan. The Salar de Uyuni in Bolivia is
Composed of alginite, amorphous organic matter, cyanobacteria, freshwater algae, and lesser of land plant resins; Formed mainly from protein and lipid precursors; Has few cyclic or aromatic structures; Shows great tendency to readily produce liquid hydrocarbons (oil) under heating
A salt pan is a small shallow natural depression in which water accumulates and evaporates, leaving a salt deposit, or the shallow lake of brackish water that occupies a salt pan. (The term "salt pan" comes from open-pan salt making , a method of extracting salt from brine using large open pans.) [ 36 ]
Saddle – Land connecting two high points; Salt marsh – Coastal ecosystem between land and open saltwater that is regularly flooded; Salt pan – Flat expanse of ground covered with salt and other minerals (salt flat) Sand boil, also known as sand volcano – Cone formed by the ejection of sand on a surface from a central point
The off shore areas may be called the pelagic zone, the photic zone may be called the limnetic zone and the aphotic zone may be called the profundal zone. Inland from the littoral zone, one can also frequently identify a riparian zone which has plants still affected by the presence of the lake—this can include effects from windfalls, spring ...
These distinctions form the basis for the division of rivers into upland and lowland rivers. The food base of streams within riparian forests is mostly derived from the trees, but wider streams and those that lack a canopy derive the majority of their food base from algae. Anadromous fish are also an important source of nutrients.
Similar to light zonation, thermal stratification or thermal zonation is a way of grouping parts of the water body within an aquatic system based on the temperature of different lake layers. The less turbid the water, the more light is able to penetrate, and thus heat is conveyed deeper in the water. [17]