Stability tests, avalanche observations, Switzerland, Norway

Observational data used to quantitatively describe the key elements describing avalanche danger: snowpack stability, the frequency distribution of snowpack stability, and...用于定量描述雪崩危险（avalanche danger）核心要素的观测数据：雪层稳定性（snowpack stability）、雪层稳定性的频率分布，以及……