Sentences with phrase «total ice column»
These latter sources have relatively large uncertainties due to small total ice column densities.
https://arxiv.org/ Not exact matches
So what we need is detailed topo maps of the bed and thickness of the GIS, and to work out a map of the «net buoyancy», or some such (i.e. total ice area density subtracted from the area density of a hypothetical column of water resting on the bed and extending up to sea level).
Etheridge e.a. used a firn densification model to calculate the distribution of CO2 over the total firn / ice column.