Lectures 18: CO2 in seawater

1. The carbonate system
2. Examples

We acknowledge and respect the lək̓ʷəŋən peoples on whose traditional territory the university stands and the Songhees, Esquimalt and W̱SÁNEĆ peoples whose historical relationships with the land continue to this day.

Carbon on a new timescale..

Motivation:

The Carbonate System (at equilibrium)

The Carbonate System (at equilibrium)

The Carbonate System (at equilibrium)

Brief Total Alkalinity Intro

Practice Problem: relative abundance of carbon species in seawater

Q1: Determine the relative abundances of carbon species in the ocean with the following measurements:

• pH: 8.1
• DIC: 2.1 mmol/kg
• $k_1$=$e^{-13.4847}$
• $k_2$=$e^{-20.5504}$

An exercise: relative abundance of carbon species in seawater

An exercise: relative abundance of carbon species in seawater

What does warming do to equilibrium pCO2?

An exercise: relative abundance of carbon species in seawater