羌塘高原(Qiangtang Plateau):是藏北高原的藏语称呼,青藏高原的组成部分,亦为高原最大的内流区(在羌塘盆地);中国第2大湖区,世界海拔最高的内陆湖区。“羌塘”藏语全称为“羌东门梅龙东”,既“北方高平地”之意。范围约指冈底斯—念青唐古拉山脉以北,昆仑山脉以南,东迄东经91°左右的内、外流区分水岭一线,西止于国境线,南北最宽760公里,东西长约1200公里。面积59.70万平方公里,占青藏高原总面积的1/4。行政上属西藏自治区的那曲与阿里两地区管辖。
由冰川退缩引起的冰川面积的减小相当于现代冰川面积的4.6 % ,略小于整个羌塘高原地区小冰期以来冰川面积减小的幅度(8% ) 。
Since the Little Ice Age the glacier has reduced its area accounting for 4.6% of the present area, while this ratio is near 8% in the Qangtan Region, Tibetan Plateau.
位于青藏高原腹地的羌塘盆地是经历了多期构造改造的改造型盆地。
The Qiangtang Basin in the hinterland of the Qinghai-Xizang Plateau is interpreted as a reworked basin which has undergone multiple phases of tectonic reworking.
介绍了青藏高原羌塘盆地和措勤盆地的深部磁场特征,用隐伏裂陷槽的观点分析了这些特征。
The deep magnetic field characteristics in Qiangtang basin and Cuoqin basin of Qinghai-Ti-bet plateau is presented and analyzed by means of viewpoint of buried aulacogen.
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