A phenomenon in which temperatures drop abnormally from winter to spring, causing damage to crops and young buds of fruit trees. The mechanism is the same as cold damage and frost damage. However, it occurs from late winter to early spring, and compared to frost damage, it causes more damage to winter-overgrown crops. In addition, frost damage can also include accidents such as frozen water pipes caused by abnormally low temperatures in winter (occurs when the outside temperature falls below -4°C) and traffic accidents caused by frozen road surfaces, and in a broader sense it can also include damage caused by frost pillars and frost heave. [Takao Ando] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
冬から春にかけ気温が異常に低下し、農作物や果樹の若芽などに被害を与える現象。機構としては寒害、霜害の場合と同じである。ただ季節的には晩冬から初春におこり、霜害などに比べると越冬作物に被害が多い。そのほか、冬の異常低温による水道の凍結事故(外気温が零下4℃以下になるとおこる)、道路面の凍結による交通事故も凍害に含めることもあり、さらに広義には霜柱、凍上による被害も含めることがある。 [安藤隆夫] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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