melting of snow; melted snow
Refers to the process of snow melting or the resulting water. Often used in compound terms like 融雪装置 (snow-melting equipment).
The spring warmth is accelerating the melting of snow.
We need to be careful of flooding caused by melting snow.
融雪 refers to snow melting away, the opposite process of 積雪, which is snow building up and staying.
Compound of 融 (melt) and 雪 (snow). The reading ゆうせつ is the on'yomi of both kanji.