Salty Ocean Parts Getting Saltier; Fresher Parts Getting Fresher: From Amplified Hydrological Cycle


Salty Ocean Parts Getting Saltier; Fresher Parts Getting Fresher: From Amplified Hydrological Cycle // Sep 25, 2020

We know that as climate change accelerates wet regions of the planet are getting wetter and dry regions of the planet are getting drier.

  • In this video, I chat about new research showing that ocean regions that have high salinity (very salty) are getting even saltier (since Evaporation-E exceeds Precipitation-P),
  • while low salinity (fresher) regions are getting even fresher (salinity is decreasing since P exceeds E).

I show salinity for the ocean surface (Sea Surface Salinity – SSS) down to a depth of 2000 m (6600 feet) on a 1×1 degree grid between 1960 and 2017.

The Salinity Contrast (SC) (maximum-minimum) has increased by 7.5% at the surface (SC0), 2.9% between 0 and 1000 m (SC1000) and increased 1.6% between 0 and 2000 m (SC2000). These contrast amplifications are caused by the global hydrological cycle intensifying by between 2 to 4% between 1960 and 2017.

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About paulbeckwith

Well known climate science educator; Part-time Geography professor (climatology, oceanography, environmental issues), University of Ottawa. Physicist. Engineer. Master's Degree in Science in Laser Optics, Bachelors of Engineering, in Engineering Physics. Won Association of Professional Engineers of Ontario gold medal. Also interested in investment and start-ups in climate solutions, renewable energy and energy efficiency. Avid chess player, and likes restoring old homes. Married with children.
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