Jinan, 4 April (Zhongxin Net) -- Shandong Jinan, Linyi and other places have recently implemented artificial rainfall, and "Xiti" for three days is like "oil" spring rain. The land of Qilu is full of ganlin, soil moisture has been improved, and drought has been alleviated. After "drinking", the springs in Quancheng have also been "moisturized", and the groundwater level of Baotu Spring, the first spring in the world, increased by 7 centimeters in three days, reaching 6.4 meters on April 7, and the grand scenery of "Baotu soaring" continued.
Spring has always been the dry season in northern China, with rapid temperature recovery, increased evaporation, and insufficient effective atmospheric precipitation. According to the weather situation, Jinan Weather Modification Center organized and implemented 4 rounds of artificial rain enhancement operations throughout the city from 3:15 on April 16, launching 196 rain-increasing rockets, 30 rain-increasing anti-aircraft artillery shells, and burning 54 rain-increasing smoke sticks on the ground. The artificial rain enhancement operation enabled Jinan to continue to enjoy Ganlin from 4 to 6.
According to the Jinan Rainwater Information System, since the beginning of this year, the cumulative precipitation in Jinan has averaged 43 mm, 34.4 mm more than the 8.6 mm in the same period of the year, and 41.6 mm more than the 1.4 mm in the same period last year.
On the 7th, the weather in Jinan was sunny, although the temperature was still slightly low, but the reporter saw in the world's first spring scenic area that tourists were watching the spring in an orderly manner and seeing the grand scenery of "Baotuo soaring into the sky". The so-called "Baotu" means jumping and rushing, which is called by Zeng Gong, one of the eight great masters of the Tang and Song dynasties. "Baotu Soaring" is one of the eight scenic spots in Jinan, and it will only appear if the groundwater level of Baotu Spring exceeds 28.50 meters.
The reporter checked the water level records of Baotu Spring and found that since the water level reached 2022.7 meters on July 7, 28, the water level of Baotu Spring has continued to operate at a high level, and the beautiful scenery of "Baotu soaring" has appeared for 57 consecutive days. The water level of Baotu Spring on that day was the "Bangyan" of the same period in the past 275 years, which was 10.29 meters less than the "champion" water level in the same period last year, 07.0 meters less.
Baotu Spring in the abundant period is now a grand scenery of "Baotu soaring into the sky". (Infographic) Straight photo of Qu Yu
"Every family spring water, every household weeping Yang" is Jinan's iconic landscape, with more than 640 famous springs distributed in its area, the most famous of which are 72. In the Qianlong Emperor of the Qing Dynasty, China, <> springs, including Baotu Spring, Black Tiger Spring, Pearl Spring and Crescent Spring, were "spilled" like pearls among the "Ten Great Spring Groups" in Jinan. The gushing of spring water in Jinan has always been regarded as the yardstick of the climate and hydrological environment of Shandong and even northern China.
The spring water level in Jinan is mainly affected by precipitation, and the dry period in Jinan is from October to June every year. According to the pattern of many years, Jinan spring water reaches its highest level of the year at the turn of summer and autumn, and then declines. When the weather warms in May and June of the following year, but the flood season has not yet begun, the spring water level is the lowest point of the year. This round of precipitation will help Jinan's springs survive the "spring drought" safely, ensuring that the dry period can continue to gush.
According to the data, on March 1976, 3, because the groundwater level was below 30.26 meters, Baotu Spring stopped spraying for the first time, and the longest suspension was recorded for 98 days. On September 926, 2003, Baotu Spring, which had been suspended for 9 days, rebounded and has continued to gush for 6 years and 548 days.
The reporter also learned from the Shandong Provincial Water Conservancy Department that in the first three months of this year, precipitation in Shandong Province continued to be low, and there was a mild drought of crops in local areas. The relevant person in charge of the Water and Drought Disaster Prevention Department of Shandong Provincial Water Resources Department said that the precipitation was conducive to improving soil moisture and alleviating drought, and the mild drought of crops in local areas was basically lifted.
As of April 4 this year, Shandong's backbone water diversion project in 2-2022 has completed 2023 million cubic meters of water transfer; by March 7, the province has completed a total irrigation area of 7.3 million mu, accounting for 31.3773% of the planned area; A total of 59.68 billion cubic meters of irrigation water supply has been completed, accounting for 08.25% of the planned water supply. (End)