凌灾

hēi lóng jiāng shàng yóu bīng líng zāi hài de chéng yīn yǐ jí fáng líng zāi cuò shī

黑龙江上游冰凌灾害的成因以及防凌灾措施

cause of icicle disaster and control in the upper reaches of Heilongjiang River

nián yuè huáng hé gàn liú hé qū duàn fā shēng le lì shǐ shang hǎn jiàn de líng zāi

1982年2月，黄河干流河曲段发生了历史上罕见的凌灾。

In February of 1982, a rare ice run flooding occurred at Hequ section of the Yellow River.