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山东省地处半干旱半湿润的季风气候区,旱涝灾害频繁发生。据近500年的资料分析,平均3年发生一次旱灾或涝灾,而且还常常出现连旱、连涝或年内旱、涝交替等现象。一、今年的旱情今年我省遇到严重干旱,其特点是:持续时间长、面积大、程度重。今年1～7月份全省累计平均降水量121毫米,较历年同期少52％。特别是5月中旬～7月上旬的两个月内,全省平均降水量仅34毫米,比历年同期少84％,这一时段雨量之少,是建国以来的最小值。全省地上蓄水量是有史以来最低点,绝大部分河、湖、库干涸,南四湖、东平湖水位都在死水位以下,全省36万座水库、塘坝干涸,8510个扬水站失效;7月11日全省地上蓄水仅11.58亿立方米,分别比上年和历年同期
Shandong Province is located in a semi-arid and semi-humid monsoon climate zone where drought and flood disasters occur frequently. According to nearly 500 years of data analysis, an average of three years a drought or floods, but also often even drought, waterlogging or year drought, flood alternation and so on. First, this year’s drought This year, our province encountered a serious drought, which is characterized by: long duration, large area, the degree of heavy. From January to July this year, the cumulative average precipitation in the province was 121 millimeters, 52% less than that in the same period of last year. Especially in the two months between mid-May and early July, the average rainfall in the province is only 34 millimeters, 84% less than that of the same period of last year. The rainfall during this period is small, which is the minimum since the founding of the People’s Republic. The province’s ground water storage is the lowest point ever, most of the rivers, lakes, reservoirs dry up, Nansi Lake, Dongping Lake water level below the dead water level, the province’s 360000 reservoirs, dry pond, 8510 Yang pumping station failure July 11, the province’s groundwater storage was only 1.158 billion cubic meters, respectively, over the previous year and calendar year