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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