The experiment showed that the highstand with half-covered sandbreaks used in major and auxiliary ridges can put off the forward movement of square dune.

• 风洞实验和野外观测结果证明，延缓格状沙丘前移，可以在其主、梁上采用高立式加半隐蔽式沙障，构成复合沙障，利用其抬高阻滞作用而达到目的。