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  1. Salinity - Wikipedia

    Conceptually the salinity is the quantity of dissolved salt content of the water. Salts are compounds like sodium chloride, magnesium sulfate, potassium nitrate, and sodium …

  2. Salinity | Definition, Ocean, Unit, Examples, & Facts | Britannica

    Salinity, the amount of dissolved salts present in water. In natural bodies of water, salinity is most commonly a measure of sodium chloride (NaCl; common salt).

  3. Saline Water and Salinity | U.S. Geological Survey - USGS.gov

    Jun 11, 2018 · Water that is saline contains significant amounts (referred to as "concentrations") of dissolved salts, the most common being the salt we all know so well—sodium chloride …

  4. Indicators: Salinity - US EPA

    Dec 18, 2025 · Salinity is the dissolved salt content of a body of water. It is a strong contributor to conductivity and helps determine many aspects of the chemistry of natural waters and the …

  5. What Is Salinity? How It’s Measured and Why It Matters

    Salinity is defined as the total mass of solid material dissolved in one kilogram of water. The average salinity for the world’s oceans is approximately 35 grams of salt per kilogram of …

  6. NASA Salinity: Home

    Salt dissolved in seawater – measured as salinity – drives currents that distribute heat and carbon around the globe. So, salt not only preserves our food, it helps to preserve our climate by …

  7. What Is Salinity? Definition, Measurement, and Impacts

    Salinity is the concentration of dissolved salts in water. These dissolved substances are primarily ionic compounds, with sodium chloride (common table salt) being the most abundant …

  8. Why is the ocean salty?

    The concentration of salt in seawater (salinity) varies with temperature, evaporation, and precipitation. Salinity is generally low at the equator and at the poles, and high at mid-latitudes.

  9. What Is Salinity and Why Does It Matter? - ScienceInsights

    Nov 6, 2025 · Salinity is the measure of the total concentration of dissolved salts in a body of water. These dissolved solids are primarily ionic compounds, such as sodium chloride …

  10. Biosphere - Salinity, Ecosystems, Biodiversity | Britannica

    Dec 26, 2025 · 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 …