Brackish water
Brackish Water
Brackish water (pronunciation: /ˈbrækɪʃ/), is a type of water with a salinity level between that of freshwater and seawater. It is often found in estuaries, where rivers meet the sea.
Etymology
The term "brackish" comes from the Middle Dutch word "brak," meaning "salty". It was first used in English in the late 15th century to describe water that had a salty or disagreeable taste.
Description
Brackish water is characterized by its intermediate salinity level, which is typically between 0.5 to 30 grams of salt per litre. This is higher than the salinity of freshwater, which usually has less than 0.5 grams of salt per litre, but lower than that of seawater, which has about 35 grams of salt per litre.
Related Terms
- Salinity: The saltiness or dissolved salt content of a body of water.
- Estuary: A partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
- Halophyte: A plant that grows in waters of high salinity, coming into contact with saline water through its roots or by salt spray, such as in deserts or coastal salt marshes.
- Hyposalinity: The condition of having lower than normal levels of salt in water.
- Hypersalinity: The condition of having higher than normal levels of salt in water.
See Also
External links
- Medical encyclopedia article on Brackish water
- Wikipedia's article - Brackish water
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