I would append "from the Greenland Ice Sheet" to the title. "However, because melting is causing the Greenland Ice Sheet to recede from the coasts of Greenland

I would append "from the Greenland Ice Sheet" to the title. "However, because melting is causing the Greenland Ice Sheet to recede from the coasts of Greenland, where icebergs originate, its iceberg discharge should not persist long enough to cause major disruption of the Atlantic overturning circulation by itself"