Exploring the Unknown in a 10000 meter Deep Dive
2022-03-11
On a larger scale, human cognition is like a circle, and deep submersibles are like needles that can help us pierce a hole in the current cognitive circle and pry into the unknown outside the circle; On a small scale, these deep submersibles work deep on the surface, playing a crucial role in understanding the origin of life on Earth, the evolution of Earth plates, volcanic seismic belt activity, deep mineralization, deep-sea minerals, and more.
Over the years, human beings have used deep submersibles, including China's "Endeavor", to dive into the Mariana Trench and other deep-sea areas for exploration, which has attracted many people's attention.
So, why do humans need to dive ten thousand meters deep?
On a larger scale, human cognition is like a circle, and deep submersibles are like needles that can help us pierce a hole in the current cognitive circle and pry into the unknown outside the circle; On a small scale, these deep submersibles work deep on the surface, playing a crucial role in understanding the origin of life on Earth, the evolution of Earth plates, volcanic seismic belt activity, deep mineralization, deep-sea minerals, and more.
The deep sea has high water pressure and low temperature, making it a restricted area for life. Through years of human deep diving research, it has been discovered that there are 392 unique life forms in these extreme environments. They inhabit an environment 1100 times higher than sea level pressure, forming a complex ecosystem in the deep sea.
The trenches in the deep sea are known as the "garbage cans of the ocean," where various sediments from both continents and oceans accumulate. These sediments contain a large amount of ancient environmental information such as ancient climate and oceans. Humans can infer the evolution process of seawater by understanding various information such as salt content, temperature, and density in ancient oceans.
In 1979, the American submersible "DSV Alvin" found a strange biological community near the Galapagos Hydrothermal vent in the eastern Pacific Ocean. These creatures live in the deep of the dark rift valley, and cannot form organic matter through photosynthesis at all. They can only use the chemical substances near the Hydrothermal vent for Chemosynthesis, thus forming a complex and prosperous ecosystem. Therefore, scientists put forward a new hypothesis of Abiogenesis - the origin of deep-sea hot springs.
The deep-sea hot spring is a chimney like structure formed by seawater penetrating through cracks in the seabed, carrying a large amount of minerals from the seabed to the surface after encountering magma, forming a white or black chimney like structure, which is vividly referred to as the "black chimney" or "white chimney" of the seabed.
Here, the temperature is stable, the inorganic content is rich, and it is not easily disturbed by the strong ultraviolet radiation, meteorites, and volcanic activity on the surface of the primitive Earth's oceans. It is an excellent place for the birth of life.
There are many Hydrothermal vent in the deep sea. Deep submersibles can go deep into the seabed near the trench or the seabed of the mid ocean ridge to study the ecosystem around the Hydrothermal vent closely. This will be of great help to solve the unsolved mystery of the Abiogenesis on Earth.
With the help of manned deep submersibles diving into the deep seabed, humans can also witness with their own eyes how plates collide and transition, and have the opportunity to collect relevant rock samples. In particular, the observation of the subducting plate boundary in the trench can help mankind better study the plate movements that have occurred in History of Earth.
In addition, deep submersibles can conduct investigations deep into trenches and study earthquake and volcanic activity on Earth, helping humans understand mineralization near subduction zones, and so on.
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