Drought and flood disaster are the most serious natural calamities in Ningbo.Especially, flood, waterlogging and typhoon calamities cause increasing economic loss in this city.

• 摘要水旱灾害是宁波市最为严重的自然灾害，特别是洪涝台灾害已成为该市自然灾害中经济损失增长最快的自然灾害。