has puzzled scientists for 25 years! The truth behind the mysterious "beep-beep" sounds coming from the South Pacific is finally here.
I have to say that since the appearance of this mysterious "voice", it has been confusing the scientific community. It will not be easy to give a definite answer, and it will last for a long time.
However, judging from the answers, it may indeed surprise many people, because the announced results are events that we can easily see.
Many people may not have thought of it. Including the initial scientific team, during the investigation process, they also made various speculations, saying that it might be the sound of military exercises, ships, giant squid, blue whales or new marine creatures .
However, one can only remain skeptical. Over the years, theories about the origin of mysterious ocean sounds have emerged one after another. The main reason is that human exploration of the underwater world is incomplete, and more than 80% of the ocean area is unknown to humans.
Therefore, being able to find this specific answer this time can be regarded as a "coincidence among coincidences". I met it accidentally and discovered this result.
So, here comes the answer, what is it? Let’s take a look below.
A "mysterious sound" is heard in the South Pacific and can be heard over 3,000 kilometers away.
According to the news released by NOAA, the mysterious "sound" was first discovered in the summer of 1997, so 2022 is already 25 years ago.
Scientists heard a strange loud noise west of the southern coast of Chile. Later, the scientists called this sound a "bloop".
This was discovered by the NOAA scientific team while monitoring volcanic activity. However, after this incident was exposed, the U.S. Navy also publicly stated that this mysterious sound was heard in an area more than 3,000 kilometers away.
And the sound probably lasted for about a minute and was one of the loudest underwater sounds ever heard. Therefore, after the discovery, the scientific community continued to conduct research, but in the end there was no answer.
However, in 2005, when NOAA conducted an acoustic survey in Antarctica, scientists unexpectedly discovered an unusual point, which was the same as the "mysterious sound" collected in the South Pacific in 1997. This made many people feel that this event may have a "discovery of origin."
and after 7 years of analysis, finally gave an official statement, and ruled out all the answers above. This sound comes from the Antarctic region, and is the transmission of "underwater" mysterious sounds caused by changes in Antarctica.
After 25 years, the answer to the "mysterious voice" was announced.
Antarctica is located at the southernmost tip of the earth and is surrounded by the Southern Ocean. Antarctica is composed of continent, continental ice and islands, with a total area of 14.245 million square kilometers.
The biggest feature of the Antarctic continent is that it is almost completely covered by glaciers, occupying more than 80% of the total modern glaciers on the earth.
Except for scientific expeditions and whaling teams from all over the world, the entire Antarctica is completely uninhabited. Therefore, Antarctica is also one of the few "unsettled residents" areas on the earth.
However, due to the dramatic changes in the global climate, Antarctica has become one of the most sensitive areas on the human planet. After warming, it has led to large-scale melting of glaciers in Antarctica. The "mysterious" sound deciphered this time is related to glaciers.
Against the background of global warming , Antarctica is losing ice at an average rate of about 150 billion tons per year. This means that it is melting on a large scale, just like the glaciers in the Arctic Circle , alpine glaciers, plateau glaciers, etc.
The glaciers in Antarctica are melting, whether on land or under the sea, there is a melting pattern. However, when NOAA personnel deployed underwater monitors while conducting monitoring of the "volcanic activity, earthquakes" we mentioned above, they discovered something unexpected.
In 2005, in the depths of Antarctica, they also discovered that the mysterious sound recorded in the ocean in 1997 was exactly the same. At the time of discovery, they happened to encounter an Antarctic glacier break and break away, which also produced a sound.
After collecting these data, NOAA once again spent 7 years and gave a unified answer in 2022. It turned out that the "mysterious" sound in the South Pacific that had puzzled scientists for 25 years was actually caused by the breakup of the Antarctic glacier.
This is what we commonly call " ice earthquake " - the huge shock wave generated by the sliding ice flow is similar in power to an earthquake, so it has been monitored more than 3,000 kilometers away.
Later, after comparing "the seismograph detected multiple shock wave signals", it was discovered that this problem was the same situation, so in the end, the answer to the mystery was solved.
The National Oceanic and Atmospheric Administration has also publicly stated that the iceberg that produces this phenomenon is most likely located between the Bransfield Strait and Ross Sea or Cape Adair in Antarctica. The sound of ice cracking and cracking is the main source of natural sounds in the Southern Ocean. Now everyone does not need to think about other problems.
So, the initial scientific speculation about the sounds of military maneuvers, ships, giant squids, blue whales or new sea creatures were all wrong, and this is the final answer to the 25-year mystery of "mysterious sounds".
Summary
Overall, we can still witness this problem in the future, because the continued warming of our earth will also lead to large-scale melting of Antarctic glaciers, causing the same problem. And this trend will become more obvious because global warming continues.
According to meteorological statistics released in 2022, in 2021, the global average temperature will be 1.11°C higher than the pre-industrial level (1850-1900 average), making it one of the seven warmest years since complete meteorological observation records are available.
At the same time, in the past 20 years (2002-2021), the global average temperature has been 1.01°C higher than pre-industrial levels, which is enough to prove that global warming is still continuing.
At the same time, in the next five years, we may exceed the 1.5-degree climate zero point of the Paris Agreement for the first time, which means that our glaciers will melt and break more.
Therefore, "tens of thousands" of "icequakes" on the seabed will continue to occur, and everyone can directly verify this answer in the future.
Therefore, climate change has brought us many phenomena. In the past, we may have encountered few such voices, but in the future, there may be more such voices. This is a trend. Therefore, there are many strange phenomena in nature. This is the general situation.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-