2010年7月初在雅各布港冰川北部支流发生了一起崩裂。
The breakup in early July 2010 occurred on the northern tributary to Jakobshavn Glacier.
冰川撤退到有其主要的两个支流加入的内陆地区，在过去的几年里，原本只是一条的冰川分成了两条快速流动的冰川。
The glacier withdrew inland to the region where its main two tributaries join, and for the last few years, there have been two fast-flowing glaciers where once there was one.
实际上南部支流外流了更多格陵兰岛中心冰原的水源，所以那边的冰川消退会导致更大规模的冰流量。
The southern tributary actually drains a larger portion of Greenland's central ice sheet, so a retreat there could lead to a more substantial ice discharge.
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