Calculating residence time
What are the residence times for different constituents in seawater? Watch Professor Rachel Mills and Dr Will Homoky explain more.
In this video, Rachel and Will give a more practical demonstration of residence time.
As was explained in the video ‘Where does the salt come from?’, the concept of an ‘average’ river has no real physical meaning but it is useful for an exercise where we compare the average river input to the overall salt content of the ocean.
[Advanced] The download CALCULATING RESIDENCE TIME below provides the information you need to calculate the residence time of the major salt constituents of seawater so you can see how those times compare.
