论文部分内容阅读
1 旱灾发生情况河南冷暖空气交替频繁,季风气候特别明显,易造成洪、涝、旱、大风、沙暴、冰雹以及霜冻等多种自然灾害。在大旱年份“赤地千里,川竭并枯,百谷无成,野无寸草”。这种悲惨景象在历史文献中屡见不鲜。据统计,建国后全省就出现较大的旱灾14年,一般旱灾几乎年年都有。全省每年旱灾面积平均为210多万hm~2.频繁的旱灾对我省社会经济发展和人民生活的影响很大。远的不说,最近几年,可以说我们吃尽了水旱灾害的苦头。1991年,西部、北部
1 Drought Disasters Henan cold and warm air alternating frequently, the monsoon climate is particularly obvious, easily lead to floods, floods, drought, wind, sandstorm, hail and frost and other natural disasters. In the drought year “Redfield thousands of miles, Sichuan dry and dry, 100 Valley no into, wild no inch of grass.” This tragic scene is not uncommon in the history. According to statistics, after the founding of the PRC, a big drought hit 14 years and the average drought was almost year after year. The average annual drought area in the province is 2.1 million hm ~ 2. Frequent droughts have a great impact on the social and economic development and people’s livelihood in our province. Far from mentioning, in recent years, we can say that we have tried our best to end the floods and droughts. In 1991, west, north