What is the definition of salinity quizlet?
Salinity definition. A measure of the amount of dissolved salt in water.
Where is salinity the highest quizlet?
Where does the highest salinity occur? Where evaporation is greater than precipitation. (subtropics, semi-enclosed seas, etc.) Where does the lowest salinity occur?
What is salinity and how is it measured quizlet?
Salinity is a measure of the total dissolved material in water. It is usually expressed in parts per thousand. The average salinity of the ocean is 35 parts per thousand.
What is the salinity of freshwater quizlet?
The average salinity is 35‰ (parts per thousand). Decreased salinities are caused by increases of freshwater by the melting of sea ice, high levels of precipitation, runoff from land, and river input.
How do oceanographers define salinity quizlet?
STUDY. What is salinity. The ratio of dissolved substances to the mass of the water.
What is meant by the salinity of seawater quizlet?
Salinity. The amount of of dissolved solids (mainly salts) present in ocean water. Average Salinity. Average salinity of ocean water is 35%(% = parts salt per 1000 parts of water).
What is meant by the term salinity?
The term salinity refers to the amount of dissolved salts that are present in water. Sodium and chloride are the predominant ions in seawater, and the concentrations of magnesium, calcium, and sulfate ions are also substantial.
What factors affect salinity please explain quizlet?
The salinity of seawater is determined by how much freshwater enters the ocean in the form of precipitation, melting sea ice, and runoff from rivers, and how much exits through evaporation. Salinity is higher in the temperate and tropical areas where evaporation rates are higher than in polar regions.
How do oceanographers define salinity?
Ocean salinity is generally defined as the salt concentration (e.g., Sodium and Chlorure) in sea water. It is measured in unit of PSU (Practical Salinity Unit), which is a unit based on the properties of sea water conductivity. It is equivalent to per thousand or (o/00) or to g/kg.
What is the relationship between salinity and density quizlet?
-The higher the salinity, the higher the density of the water.
What is meant by the term salinity Class 7?
Salinity- Salinity is the amount of salt in grams present in 1000 grams of water. The average salinity of the oceans is 35 parts per thousand.
What is the salinity of the human body?
around 0.4 per cent
The human body contains many salts, of which sodium chloride (AKA common table salt) is the major one, making up around 0.4 per cent of the body’s weight at a concentration pretty well equivalent to that in seawater. So a 50kg person would contain around 200g of sodium chloride – around 40 teaspoons.
What are some differences between salinity and desalination?
higher salinity were concentrated by evaporation while seawater at lower salinity was prepared by dilution. Temperature and salinity are the most important intensive properties for desalination systems, and they determine the other physical and thermal properties associated with seawater at near-atmospheric pressures.
What are the reasons for increase in salinity?
What causes salinity to increase? Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these “salinity raising” factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.
What are the causes of salinity?
What do you use to measure salinity?
Hydrometer. A hydrometer is the simplest method for determining salinity,but also one of the least accurate.