Artificial rain increases: the cloud "grab" water recovery ecology

The source of Dahe is poor due to lack of water?

This is Mado County, Guoluo Tibetan Autonomous Prefecture, Qinghai Province, known as "the first county of the Yellow River". The Tibetan elderly Tibetan people made the flowing water from the hometown. In his memory, the past Mado County had a uniform precipitation, and there were more than 300 rainy days a year.

But who thought of it, later, the grassland degraded in large areas, and the rain was getting less and less. Data show that in 2003, the average annual precipitation in Huangheyuan District was only 24.1 mm, but the evaporation volume was as high as 429.9 mm.

The at the source did not drink water, and the former Mado County, who was rich, became a poor county for finance!

After more than 10 years, the old man has gone through another "who wants to think "--

"It's raining, it's raining!" "Come together!" This is the joy of the people of Mado County in the circle of friends not long ago.

Since this spring, Qinghai has been sunny and hot in many places, and the grasslands and rivers and lakes are looking forward to a hearty heavy rain. As a result, an ecological protection artificial rain increase operation began.

Turn, accelerate ... A plane whistled at a height of 6,500 meters. Qinghai artificially affected weather operators to start operating the ignition system -continuously pressed a few buttons, and the "flame strip" hanging under the wing was ignited. flame. The sky is long, the flame is well -proportioned and fierce, and the rainbow catalyst is sprayed into the clouds.

"A 'flame bar' burning lasted about 5 to 6 minutes. We control the combustion intensity of the‘ flame bar ’based on the thickness of the clouds and try to sow the whole process as much as possible.” The staff introduced.

The flight lasted for about 3 hours, and the last "flame bar" burned, and the plane landed smoothly through the clouds. At this time, the ground was raining.

Such rain has been in more than 500 games in the past 10 years. From May to October each year, it is the golden period of the growth and ecological recovery of pasture and ecological recovery in the Sanjiangyuan area. During this period, the meteorological department will organize artificial rainfall. According to the EOS/Modis satellite remote sensing monitoring, the area of ​​Qinghai Lake Fengshui period in 2021 reached 4637.6 square kilometers, the largest area in the past 10 years.

The cloud "grab" water 500 times, not as simple as you think. "First find the" rain of rain "."

"In the past, wherever there was a cloud, the homework was not scientific. Now we are a" back -shaped needle "broadcast, and at the same time, we need to consider factors such as wind speed, wind direction, airflow." Li Jiming, deputy director of the China Meteorological Administration, told Reporter, today's manual rainfall is no longer the naked eye, but the "sky eye" -the empty instrument, the earth's static satellite, the polar rail satellite, etc. " More than 50,000 automatic stations and 206 weather radar across the country. They are three -dimensional and all -weather monitoring, and finally accurately lock the target cloud suitable for homework. "

"Moreover, the current rainfall operating aircraft are equipped with airborne particle detection systems. Using these high -tech detection technology, you can dynamically master the changes in water vapor, cloud droplets, raindrops and other water coagulation in clouds. "Li Jiming said.

From a drop of water to a lake, artificial rainfall brings a vitality to Mado County.

"Over the years, there are more rain and less wind and sand, and the rich water plants are recovering a little bit." Tibetan said that in the past to winter, the door was basically not out in the afternoon because the dust was too strong. Now, no matter when you go out in winter, it is not a problem.

The Mado Yellow River Source Hydropower Station, which was forced to stop power by the Yellow River, can also operate normally. The two largest lakes in the Yellow River -Eling Lake and Zhaoling Lake have obviously rebounded. The source of the Yellow River reproduces the landscape of Qianhu.

From the "quenching thirst" in the past to the current ecological restoration, the upgrading of artificial rainfall services is inseparable from high -tech.

Equipped with "bird guns", high guns, rockets, airplanes, etc. are all available; new types of domestic catalysts have increased catalytic efficiency by more than 100 times; independently developed 3 kilometers of refined cloud precipitation numerical forecasting system into business operations; radar command, automatic launch, three -dimensional three -dimensional The development of the rocket operating system for sowing is successfully developed, reaching the world's advanced level and widely used in work in various places ...

In 2021, my country's first large-scale artificially affected weather drone "Ganlin-I" was successful. After the Qilian Mountain flight test, the Qilian peak of "Ganlin-I" at the peak of the mountain peaks and the clouds of clouds and mists broke through the restrictions of complex weather and complex geographical conditions, and solved the worldwide problems that the drone was difficult to prevent ice.

This summer, from the northeast and northwest to Xiangyang, Chongqing, Nanyang, Henan, Ankang, Henan, and Shaanxi to carry out heavy rainfall planes in rain increase operations. Two large drones have also implemented rainfall in Chongqing ...

Now, my country's artificial influence weather operations have ranked first in the world. It will use more "happy from heaven" to the earth. (Reporter Cui Xingyi)

[Editor in charge: Xue Tao]

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