Drought in our country's economy, especially agriculture and economic impact of the greatest natural disasters. Impact on the scope and frequency of their terms, are home all kinds of weather disasters in the first. A wide range of areas in China every year drought, especially this year, Yunnan, Guizhou and the occurrence of severe drought, drought prevention and relief to a problem before us.As the northern province of Shandong was the hardest hit by drought, drought may occur all year round, but with spring drought, summer drought most harmful. According to historical records, the Ming dynasty, 277 years, Shandong has 209 years, there varying degrees of drought, the probability is 75.7%, which lack serious drought and the Great Drought, so have some representation. Drought-depth study of China's agricultural and national economy for the healthy development of practical significance. And Henan, Shanxi, Shaanxi and other northern inland provinces, Shandong Zhejiang south eastern sea, north to Liaodong, the canal through the western, has its particularity of traffic. Wing-lok, the Shandong as the "two Beijing thoroughfare" linking South and North Zhili, at the junction of North and South zones, there are geographic specificity. In the drought, these special extension in the disaster, relief efficiency has its specific performance. Sort out these problems, the losses caused by drought on the response of important practical significance. To be more specific, more comprehensive display of drought hazards, with emphasis in Wanli 40 years, 40 years of serious drought occurred in Shandong as an example of these issues were discussed. |