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旱灾是我省主要的自然灾害之一,不仅经常发生全省性的严重干旱,而且几乎年年都有程度不同的地区性、季节性的干旱发生,给国民经济特别是农业生产造成严重的影响。综观河南省500年历史水旱灾害,由于地理环境和气候条件的影响,全省存在着先旱后涝,涝后又旱,此旱彼涝,旱中有涝,涝中有旱,旱涝交错的复杂特点,以致水旱灾害频繁,受灾范围广,灾情重。据有关史料统计,解放前的500年间,发生旱灾的
Drought is one of the major natural disasters in our province. Not only the severe drought in the whole province but also the occurrence of regional and seasonal droughts of varying degrees occur almost every year, which have a serious impact on the national economy, especially agricultural production . Looking at the history of 500-year floods and droughts in Henan Province, due to the influence of geographical environment and climatic conditions, there are first drought and floods in the whole province, and then dryness after floods and floods. The floods are drought and floods, and there is drought and drought in the floods Complex features staggered, resulting in frequent floods and floods, affected a wide range of heavy disaster. According to the historical statistics, 500 years before the liberation, drought occurred