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西藏是我国湖泊最多的省区。藏北内流区则集中了西藏最多的湖泊和大湖。其中 ,位于藏北内流区东南部的纳木错 ,则是西藏面积最大 (1 92 0ｋｍ2 )和海拔最高 (471 8ｍ)的大湖。前人仅少量报道过该湖的湖岸阶地与古湖岸线 ,并推论该湖在青藏高原的“大湖期”(40 0 0 0～ 2 80 0 0
Tibet is the most lakes in our province. The inner reaches of northern Tibet are concentrated in Tibet’s largest lake and the Great Lakes. Among them, the Nam Co, located in the southeastern part of the inner-flow zone of northern Tibet, is the largest lake in Tibet (1,902 km2) and the highest elevation (471,8 m). Only a small amount of previous reports on the lakeshore terrace and the ancient lake coastline, and the lake in the Qinghai-Tibet Plateau “Great Lakes” (40 0 0 ~ 2 80 0 0