A few years back, we thought ice sheets might grow because of increased precipitation. Now we see that rates of glacier flow are changing. We think the process that is winning overall is the rate of glacier flow.
More Quotes from Eric Rignot:
The mass loss resulting from this glacier acceleration in Greenland is very significant. These are very active glaciers. They all end up in the ocean, discharge icebergs and are very dynamic. One you push them a little bit out of equilibrium, they start retreating very fast.Eric Rignot
We don't think these are just bursts. We haven't seen any of these glaciers coming back to normal.
Eric Rignot
The behavior of the glaciers that dump ice into the sea is the most important aspect of understanding how an ice sheet will evolve in a changing climate. It takes a long time to build and melt an ice sheet, but glaciers can react quickly to temperature changes.
Eric Rignot
What it means right now is that Greenland is producing 20 percent of the sea rise. We think that contribution will increase from generation to generation.
Eric Rignot
In the future, as warming around Greenland progresses further north, we expect additional losses from northwest Greenland glaciers, which will then increase Greenland's contribution to sea level rise.
Eric Rignot
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