China News Service, Xining, December 23 (Reporter Li Jiangning) The reporter learned from the Forestry and Grass Bureau of Qinghai Province on the 23rd that recently, Haibei Prefecture in Qinghai successfully carried out artificial snow augmentation by aircraft, which not only effectively alleviated the "high pressure" of fire prevention in forests and grasslands at the southern foot of Qilian Mountains. "Risk, and set a precedent for Haibei Prefecture to implement aircraft artificial snow augmentation operations to prevent forest and grassland fires, and accumulated experience for the next step to continue to carry out aircraft snow augmentation to protect the "geographical advantage" of Haibei's natural resource endowment.
According to the analysis of the Meteorological Department, the overall temperature in Qinghai and Haibei in December was 0.8 to 1.1 degrees Celsius higher than that of the same period in previous years, while the precipitation was 15% to 19% lower.
In addition, the recent windy weather has continued, and gusts in some areas have reached level 10 or above, and the fire prevention situation in forests and grasslands has been in a "high pressure" situation.
The picture shows the Qilian Mountains area after snow.
Photo courtesy of Forestry and Grass Bureau of Qinghai Province
According to reports, on the 19th, Haibei Prefecture seized the favorable opportunity for the severe cooling at the southern foot of Qilian Mountains, and the combined influence of the northern short-wave trough and the plateau vortex, and carried out artificial snow augmentation by aircraft on the Menyuan-Qilian line. , The "King Air 350ER" operational aircraft took off from Xining Caojiabao Airport carrying 24 silver iodide cigarette sticks, and carried out cloud chasing operations in a "ji"-shaped spread.
On the night of the 19th, snowfall occurred in most areas of Menyuan and Qilian in the state, and the largest amount of snowfall occurred in Cao Dasaka Village, Arou Township, Qilian County.
According to the forest and grassland fire prevention situation this winter and next spring, the People's Government of Haibei Prefecture combined the state conditions and the actual forest and grassland fire prevention work to study and formulate the "Hainbei Prefecture Winter and Spring Aircraft Operation Rain (Snow) Enhancement Plan", which clearly defined the period from 2022 to 2023 During the key fire prevention period, with Qilian and Menyuan counties as the key fire prevention areas, it is planned to carry out artificial snow augmentation by aircraft for the purpose of increasing the moisture content of combustibles and snow depth in forest grasslands, reducing the fire danger level of forest grasslands and improving ecological restoration capabilities. 15 sorties were operated, and the net increase in precipitation and snow was increased by more than 10% compared with the natural snowfall rate.
At the same time, a total of 1.5 million yuan of special funds for increasing snow by aircraft operations was raised, and a new model of artificially increasing snow by aircraft to prevent forest and grassland fires in Haibei was officially opened.
(use up)