论文部分内容阅读
黄河内蒙段1981年冬,流凌、封冻时包头市境内出现了两开三封,镫口以下至托克托河段长116公里,区间仅有六小段,长约四公里封冻,其余河段主流冰期一直未封,畅流河面宽50～60米,最宽处100多米。改变了这段稳定封冻的情况。此种异常封冻,据对沿河群众调查,近八、九旬老人数人讲述,自记事以来,这段黄河不冻封,从未见过,也没有听说过。下游准格尔旗马栅公社境内,封冻后水位持续上涨,冰塞日趋严重,到1982年一月上旬,
Inner Mongolia segment of the Yellow River in the winter of 1981, when the flow Ling, frozen Baotou City, the territory of the two open three, the mouth of the following to Tuoketuo River 116 km long, the interval of only six small sections, about four kilometers frozen, the remaining sections Mainstream ice period has not been closed, smooth river 50 to 60 meters wide, the widest point at 100 meters. Changed this period of stable freezing conditions. This abnormal freezing, according to the survey of the masses along the river, nearly eight, ninety years old, about the number of people, since the memo, this section of the Yellow River is not frozen, never seen, have not heard of. Downstream Jungar flag horse grid commune, the water level after freezing continued to rise, the ice plug increasingly serious, to early January 1982,