The climate in Dandong is so cold that ice pickers can't pick up ice. How much do you know about this profession?

The average annual temperature in Dandong is 6.8-8.7℃, and the temperature difference between north and south is about 2℃. Although winter is long, the severe cold period (the period when the daily average temperature is lower than-10℃) is short. Although it is hot in summer, the hot period (the average daily temperature is above 25℃) is short, generally about 20 days.

Spring and autumn are the seasons when the north and south winds alternate. In spring, cold air begins to weaken and retreat northward, while warm air enters northward; Autumn is the opposite. The above weather characteristics, Dandong city has four distinct seasons. Winter is the longest, followed by summer, and the transition season between spring and autumn is the shortest.

There is a lot of precipitation in Dandong, which is the largest in Northeast China, accounting for 70% of the precipitation in Liaoning Province. There is plenty of water. The average annual precipitation is 88 1.3- 1087.5mm, and two thirds of the annual precipitation is concentrated in summer, and the rainstorm in this area is concentrated from mid-July to mid-August.

65438+ 10 7, Dandong, Liaoning. The ice picker went to the reservoir to prepare for the operation, but found that it could not be cut. The ice picker said that it was common for the ice to crack when it was cold, but it was the first time he had seen it in 20 years. 654381On the afternoon of October 9th, the ice pickers couldn't wait for the ice? Wound healing? , came to the reservoir area to put on airs, ready to return to work to collect ice.

Picking ice is a hard and dangerous industry. Therefore, only when the thickness of the ice layer is more than 22 cm can the ice picker operate, which can ensure the safety of ice operation. In order to ensure the safety of working on ice, it is necessary to tie anti-skid devices on shoes. Under normal circumstances, an ice cutting saw can cut 5000 pieces of ice a day. Only in the reservoir area where they work will it be fully rolled out. Six ice-cutting saws will work at the same time every day, cutting 30,000 large ice cubes with one square meter. ?

Most of these ice harvesters are fishing boat crew. In winter, most fishing boats don't go out to sea, and the crew go to land to accumulate ice. The pay is not generous, but the competition is fierce. Ice rink owners are generally willing to hire crew members to pick up ice. First, the crew members have good endurance, physical strength and flexibility. In addition, the crew of a ship has a high degree of tacit understanding and is not prone to accidents. Although the ice rink owners have bought accidental injury insurance for the ice pickers, no one wants to see accidental injuries.