
The water temperatures on the West Antarctic shelf are rising. The reason for this is predominantly warm water from greater depths, which as a result of global change now increasingly reaches the shallow shelf. There it has the potential to accelerate the glacier melt from below and trigger the sliding of big glaciers.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DT20XMtVN1k/141204142621.htm