Рет қаралды 7,747
Some fifty million years ago, the Earth had a much smoother surface than now. There were no high mountains then, and the air heated at the equator carried heat all over the planet and was cooled at the poles. Behind the polar circle there was enough warmth that there would be a flourishing vegetation that left us deposits of coal on Spitsbergen and fed dinosaurs in Alaska.
0:50 But thirty or fifty million years ago the Indian subcontinent crashed into Eurasia.
2:30 This zone of life passes a narrow band
3:36 The ice that lies in Antarctica or in Greenland accumulated there half a million years.
4:08 Ice is crystalline water.
4:58 Thus, according to the concentration of water with the isotope O eighteen in different ice layers of glaciers of Antarctica and Greenland, one can judge the temperature of the surface of the ocean from which the water evaporated
6:10 Why the glacial era has come is understandable.
7:20 Interglacial is a very short time
8:00 The climatologists of the beginning of the twentieth century formed a scheme.
8:46 Modern climatologists talk about this in detail.
9:28 What is the transition from interglacial to glacial circulation?
10:29 Anti-cyclones began to appear in us more and more often.
10:57 This transition will be discrete.
11:34 The most important thing is that all communities of organisms will cease to exist.
12:20 Siberian climatologists call to attend to survival.
12:35 There's nothing to talk about and nothing to worry about.
14:30 Now I'll give you a ray of hope.
with respect,
Boris Boyarshinov