65438+February 65438+May, the reporter learned from the Natural Resources Comprehensive Investigation Command Center of China Geological Survey that four geological investigators, Zhang Jinbang, Min Yang, Liu Yu and Zhang Yu, who died in the line of duty in Ailao Mountain, Yunnan Province, were identified by forensic doctors of public security organs: four people died of cardiogenic shock caused by low temperature, and poisoning and mechanical injury were excluded.
According to the joint field investigation of experts in the fields of public security, geology, meteorology, environment, communication, forestry and mountain rescue. It is believed that the main reasons for the death of four people are: excessive physical exertion caused by long-term climbing, instantaneous strong wind and sudden drop in temperature in the incident area, resulting in loss of temperature.
202 1, 1, 1, four geological surveyors entered the area from zhenyuan county to Xinping County in the hinterland of Ailao Mountain in Yunnan Province to carry out the special task of national annual forest resources survey, and on June 165438+ 10/4,/.
After the incident of losing contact, the central leading comrades attached great importance to it. The Yunnan Provincial Party Committee and the provincial government, together with relevant departments, fully organized the search and rescue, invested more than 8,000 person-times, used more than 0 helicopters/KLOC-0, and used more than 50 drones. The search and rescue team arrived on 22nd 1 1, 2 1, 18:33, 8: 00. At around 22: 00 on the 23rd, after 38 hours, the body was transported down the mountain.
165438+1Complete the forensic examination and joint site investigation from October 24th to February 5th. The paper understands that Kunming Natural Resources Comprehensive Investigation Center (hereinafter referred to as Kunming Center), where four geological surveyors are located, belongs to the Natural Resources Comprehensive Investigation Command Center of China Geological Survey, and mainly undertakes tasks such as comprehensive investigation of natural resources.
Since 20 19, Kunming Center has undertaken the task of forest resources investigation in Yunnan and Guangdong provinces. Every year, the forest resources investigation team is composed of people with field work experience, and the field work training and assessment are concentrated in accordance with the unified technical scheme and operating rules. The four geological prospectors who died in the line of duty have all passed the training and assessment. This year, they completed the investigation task of 32 sample plots in 5 States (cities) of Yunnan Province.
The sample plot 6 134 visited by four geological surveyors, with an altitude of 269 1 m, belongs to the national continuous forest inventory sample plot. 10 year123 October, they hired a local guide to do a preliminary route reconnaissance together.
165438+1October13rd, in order to complete the task as soon as possible, they took more than 20 kinds of reconnaissance equipment and food up the mountain to carry out their work, such as RTK, tablet computer, forest compass, sappers shovel, machete, snake medicine, bear spray, tape measure and charging treasure. When he died, his exercise book was fully equipped and there was food in his backpack. I left my satellite phone in the car and didn't carry it with me.
Ailaoshan Nature Reserve, where the work area is located, is the largest original moist evergreen broad-leaved forest area in China, with special geographical location, complex landform types and diverse mountain climate, with an average elevation of more than 2,500 meters. Tall trees cover the sun, shrubs and vines are intertwined, moss is everywhere, and visibility is poor.
The location where four geological prospectors died was steep and ravines crisscrossed, making it extremely difficult to travel. According to the results of the joint field investigation, the humidity in the incident area is extremely high, the temperature changes rapidly, and the microclimate features are obvious, which may easily lead to severe weather such as local rainstorm, instantaneous gale and sudden drop of temperature, resulting in long-term fog in the virgin forest, extremely low visibility, and it is difficult to determine the direction.