Aside from Willis’ straightforward treatment here, there is the fact that CO2 levels have been MUCH higher in ages past, ages when coral reefs and shelled creatures of all types flourished just fine.
There is nothing happening now that hasn’t happened before many times. Life finds a way, and most of the time it doesn’t even hurt unless there is a politician or government regulator involved.

Watts Up With That?

Guest Post by Willis Eschenbach

Following up on my previous investigations into the oceanic pH dataset, I’ve taken a deeper look at what the 2.5 million pH data points from the oceanographic data can tell us. Let me start with an overview of oceanic pH (the measure of alkalinity/acidity, with neutral being a pH of 7.0). Many people think that the ocean has only one pH  everywhere. Other people think that the oceanic pH is different in different places, but is constant over time. Neither view is correct.

First, here is a view of a transect of the north Pacific ocean from Alaska to Hawaii, with Hawaii on the top left, Alaska on the top right, and depths shown vertically. ocean ph along transect

ocean ph along transectFigure 1. Variation in pH by latitude and depth. The graphic is taken from a previous post of mine regarding oceanic pH.

Note that in Hawaii…

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