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This is a list of bodies of water by salinity that is limited to natural bodies of water that have a stable salinity above 0.05%, at or below which water is considered fresh. Water salinity often varies by location and season, particularly with hypersaline lakes in arid areas, so the salinity figures in the table below should be interpreted as ...
As salinity increases within a freshwater ecosystem, often this results in a decrease of biota diversity and richness. [19] The extinction rate for freshwater organisms are among the highest worldwide, [ 3 ] and as salinity levels in these aquatic ecosystems continue to increase, more species and their environments will become threatened.
The USGS salinity scale defines three levels of saline water. The salt concentration in slightly saline water is 1,000 to 3,000 ppm (0.1–0.3%); in moderately saline water is 3,000 to 10,000 ppm (0.3–1%); and in highly saline water is 10,000 to 35,000 ppm (1–3.5%).
If there are many caves in the barrier or the soil has high porosity, the pool is easier to exchange with the seawater. For example, pools near Kona's coast are saltier than inland pools. [10] Evaporation (E): Evaporation removes water from the pool, increasing the salinity. The salinity may be higher than the ocean water under solid evaporation.
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Carlson's index was proposed by Robert Carlson in his 1977 seminal paper, "A trophic state index for lakes". [3] It is one of the more commonly used trophic indices and is the trophic index used by the United States Environmental Protection Agency. [2]
EPA recommends that each state submit a single "Integrated Report" comprising its list of impaired waters and the status of all water bodies in the state. [64] The National Water Quality Inventory Report to Congress is a general report on water quality, providing overall information about the number of miles of streams and rivers and their ...
Annual mean sea surface salinity for the World Ocean. Data from the World Ocean Atlas 2009. [1] International Association for the Physical Sciences of the Oceans (IAPSO) standard seawater. Salinity (/ s ə ˈ l ɪ n ɪ t i /) is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity).