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.
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。
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Epilepsy is a group of brain neurons caused by transient abnormal discharge of central nervous system dysfunction characterized by chronic brain syndrome, with sudden, recurrent features.