The yellow river basin, especially the middle plain, declined and the global climate became cold. During the Spring and Autumn Period and the Warring States Period, the middle plain was not the temperate continental climate at that time, but the subtropical climate, and the temperature and humidity were similar to those in the Yangtze River basin.
What was the core area of the Central Plains Dynasty transferred from the Central Plains to the North China Plain after the Tang Dynasty?
On the one hand, serious soil erosion has occurred due to excessive vegetation and serious damage in the middle plain and loess plateau.
On the other hand, due to the transition of global climate from glacial to glacial, the subtropical latitude gradually moved to low latitude.
Julie looked away from the scenery outside the window and took notes to look at some research reports dating back to geological time.
What exactly is the problem of global warming? Scientists in the real world also disagree.
After all, according to the archaeological research and geological research in ancient East Asia, the Yellow River basin had a subtropical climate during the Spring and Autumn Period and the Warring States Period, when the global temperature was definitely much higher than it is now.
At that time, human beings were not extinct, so it can be seen that global warming is not an absolute disadvantage, but it is a good thing for North China Plain, Siberia with higher latitude in the middle plain and Eastern Europe Plain.
The northward shift of the subtropical zone means that the sub-frigid zone will also move northward, and the southern part of Siberia may become a temperate climate more suitable for farming. Mao is expected to wake up with a smile.
Of course, sea level rise is indeed a huge threat, and everything has two sides.
The train slowly stopped at Xixia District, Yinchuan.
Because Helan Mountain blocked the sandstorm in Tengger Desert, it didn’t have a serious impact on Yinchuan.
Julie and Vivian are strangers, so they can find a hotel to stay first.
The map navigation guided them to the hotel chosen by Time Merchant Hotel near Xixia Brewery, because the comprehensive ranking of Time Merchant Hotel is the best among all hotels and it has the ability to receive foreigners at the same time.
When they came to the time hotel with their suitcases.
Huang Xiuyuan, who visited Longxian Semiconductor Industrial Park and Qingyang Data Center, also came to Yinchuan Time Hotel, and his own hotel naturally became his foothold.
When planning and constructing the Time Hotel, a private suite with special confidentiality was designed in advance, which means that every time hotel has special reception preparation.
Huang Xiuyuan and his party came out of the hotel parking lot and Julie and Vivian stepped into the hotel lobby at the same time. Zhang lei and a dozen security guards immediately became vigilant when they saw two girls with foreign faces.
I didn’t notice anything unusual. Julie checked in at the front desk of the hotel.
After check-in, Julie, who was full of energy, took a tour bus with Naivivian to Helanshan Forest Park in Shizuishan because she knew from the internet that the Helanshan coal seam spontaneous combustion control area was next to the forest park.
Huang Xiuyuan’s side is also going to Shizuishan City.
The tourist bus and the convoy went in tandem to Shizuishan City.
Sitting on the bus, Huang Xiuyuan rubbed his temples and closed his eyes. Xiao Yingnan sorted out the company documents.
"By the way, Yingnan"
"What is it, Chairman?"
"Is there a report from Qiongzhou Branch?"
Xiao Yingnan rummaged through his tablet for a moment and looked up and answered, "There are two reports, one is the Qiongzhou fruit research report this year and the other is the Qiongzhou Strait Cross-Harbour Tunnel research report."
I took it and browsed it for a while before Huang Xiuyuan said, "It is very important for Baijie to take a trip to Qiongzhou Strait Tunnel after all."
"White" Xiao Yingnan nodded his head.
A few hours later.
Huang Xiuyuan of Ningmeituan Rujigou Coal Mine met Liu Xin and others and stayed in the coal mine for several months. Liu Xin was a lot blacker.
Although the face is tired, Liu Xin and Gaoshan look excited.
Liu Xin, next to a coal seam that has been dug, introduced to him, "Fortunately, the chairman has not failed to fulfill his duty. The control technology of spontaneous combustion of coal seam has been tested, and the spontaneous combustion of coal seam in this coal area has been extinguished."
Looking at the coal seam covered with dark green crystals as if they had dug an emerald mine, Huang Xiuyuan took a piece of coal wrapped in dark green crystals with gloves and watched it for a while.
Throwing ore Huang Xiuyuan clapped his hands. "What are you going to do next?"
"…" Liu Xin was speechless.
This problem really made him think, because the control technology of coal seam spontaneous combustion has been completed, and it doesn’t need to invest too much energy to study it.
The problem before Liu Xin is to choose a new scientific research project, preferably with coal.
While he was deep in thought
Not far away, there was an English noise. Huang Xiuyuan frowned and said, "Zhang lei went to see it."
"good"
Running over with two security guards, Zhang lei saw two white girls taking photos in the mining area before he arrived at the scene. Several miners found out that the miners did not understand English and the two girls quarreled.
A security guard who knows English translated a few words. It turns out that two foreign tourists hope to see the situation of spontaneous combustion control in coal seam on the spot.
After Zhang lei took the camera, he deleted the photos in the mining area and warned them, "Guys, this kind of business is very dangerous and may be regarded as a spy. Tourists should be active in tourist areas instead of coming to dangerous mining areas."