基于面积-高程积分法的岷山雪宝顶-九寨沟地貌形态分析

近一个世纪以来，关于冰川成因主流的一种理论是冰川发育的构造-气候耦合模式，为了研究构造活动在冰川发育中的作用，选取构造活跃的岷山雪宝顶（5588m）-九寨沟为研究区，以DEM数据为基础材料，结合ArcGIS的地图处理软件ArcMap分析技术，采用面积-高程积分方法对雪宝顶地区、九寨沟地区和岷江西侧的地貌形态特征进行分析。研究结果显示：雪宝顶地区、九寨沟地区和岷江西侧面积-高程积分（HI）分别为0.54、0.46和0.39；面积-高程积分曲线均呈S型形态但逐渐变凹，反应3个区域构造活动特征。地貌演化阶段均属于壮年期，但雪宝顶地区靠近幼年期，岷江西侧接近老年期，反应区域先后抬升或者抬升的幅度依次减小。
3个地区1810个板块的HI值呈现出明显的区域分异，显示冰川作用和岩性差异对局部面积-高程积分值的大小的影响。研究区的冰川发育与构造作用密切相关。

Geomorphologic analysis of the Xuebaoding-Jiuzhaigou area in Min Shan based on Hypsometric Integral method

In almost a century, the mainstream theory about glacier development is the coupling effect of uplift and climate model. In order to study the tectonic effect on glacier growth, we select the Xuebaoding-Jiuzhaigou area of Min Shan within an active tectonic movement region(32°23'~33°18'N, 102°56'~104°25'E) located in the northeastern Tibetan Plateau.
The summit of the study area is Xuebaoding peak with the height of 5588m. Three active faults dominate the regional tectonic movement including two north-south extend named Minjiang Fault and Huya Fault as well as one west-east stretch known as Xueshan Fault, which divide the entire area into three parts called Xuebaoding area, Jiuzhaigou area and the westside of Minjiang.