多年冻土工程地质制图的阶梯发展

张中琼, 林芳, 吴青柏, 张泽, 张鹏

Stepwise development of the engineering geological mapping in permafrost regions

Zhongqiong ZHANG, Fang LIN, Qingbai WU, Ze ZHANG, Peng ZHANG

图1 多年冻土工程地质制图的发展阶段

Fig.1 Development steps of engineering geological mapping of permafrost