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1981年7、8月间,汉中地区连降大雨和暴雨,引起山洪暴发,滑坡垮山,江河横溢,堤防决口,造成严重损失。为了弄清灾害的成因,总结经验教训,省、地林学会先后组织了《水灾与森林》调查和学术讨论会,现就这个问题发表一点粗浅看法,供大家参考。这次灾害造成山区水土严重流失,滑坡崩塌;江河堤防决口,两岸房屋、农田遭受洪水淹冲,损失惨重。我认为,虽然造成这次灾害的直接原因是大气环流引起我区较长时期的连绵阴雨和较大强度的大雨和暴雨,而全区的特别是汉江流域上游的森林植被遭
During July and August 1981, heavy rains and heavy rains continued in Hanzhong, causing flash floods, landslides and collapsing rivers, overflowing rivers and dykes, causing serious losses. In order to understand the cause of the disaster and sum up the experiences and lessons learned, the Provincial Forestry Bureau has organized surveys and symposiums on “floods and forests”. We have just published some superficial opinions on this issue for your reference. The disaster caused a serious loss of soil and water and landslides in the mountainous areas. The embankments on the rivers and embankments were destroyed, causing floods and flooding of houses and farmland on both sides of the Straits, resulting in heavy losses. In my opinion, although the direct cause of this disaster was the heavy rainfall and torrential rains caused by the atmospheric circulation over a relatively long period of time in our region, especially in the upper reaches of the Hanjiang River basin