This time, she studied the effect of snow packing on the amount of snow that vaporized (sublimed), thereby reducing the amount of snow available later for melting and increasing the water supply.

• 这次， 她研究包装的雪对蒸发(使纯化)的雪的数量的影响， 为融化和增加给水后期因此降低可提供的雪的数量。