ＴＭ数据制作南极卫星影像图时的几项特殊图像处理和冰面高程信息提取刘继琳，孙家炳，林开愚，甘信铮，刘槐英武汉测绘科技大学一、南极的自然环境概况南极是世界上最大的白色世界，其大陆面积约１４００万平方公里，９８％的面积被永久性冰雪覆盖，称南极冰盖。冰盖表面... TM Data Several Special Image Processing and Ice Surface Elevation Extraction from Antarctic Satellite Images Liu Jilin, Sun Jiabing, Lin Kaiyu, Gan Xinzheng, Liu Huaiying Wuhan University of Surveying and Mapping I. Overview of the Antarctic Natural Environment The Antarctic is the largest white world in the world Its mainland area is about 14 million square kilometers, 98% of the area is covered by permanent snow and ice, said the Antarctic ice sheet. Ice cover surface ...