Tonga volcano to warm the Earth for a while? If it does, it’s not your fault

Just something to bear in mind amid the climate propaganda blitz

We thought the Hunga Tonga volcanic eruption of January 2022 worth a mention because te climate psyop crew appear to be avoiding mentioning it.
Evidently the eruption sent billions of tons of water vapour into the atmosphere. It appears it is likely to remain in the atmosphere for a few years and as water vapour is a much stronger greenhouse gas than CO2, contribute to a warming of the atmosphere.None of this natural occurrence is anything to panic about but one can expect the climate psyop operatives to latch onto any warming it produces and milk it for all it’s worth.

50 million tons of water vapor from Tonga’s eruption could warm Earth for years

More than eight months after the underwater volcano near Tonga erupted on Jan. 14, scientists are still analyzing the impacts of the violent blast, and they’re discovering that it could warm the planet.

Recently, researchers calculated that the eruption of Hunga Tonga-Hunga Ha’apa spewed a staggering 50 million tons (45 million metric tons) of water vapor into Earth’s atmosphere, in addition to enormous quantities of ash and volcanic gases. This massive vapor injection increased the amount of moisture in the global stratosphere by about 5%, and could trigger a cycle of stratospheric cooling and surface heating — and these effects may persist for months to come, according to a new study.

Tonga’s eruption, which began on Jan. 13 and peaked two days later, was the most powerful witnessed on Earth in decades. The blast extended for 162 miles (260 kilometers) and sent pillars of ash, steam and gas soaring more than 12 miles (20 km) into the air, according to the National Oceanic and Atmospheric Administration (NOAA).

Big volcanic eruptions typically cool down the planet by belching sulfur dioxide into the upper layers of Earth‘s atmosphere, which filters solar radiation. Particles of rock and ash can also temporarily cool the planet by blocking sunlight, according to the National Science Foundation’s University Corporation for Atmospheric Research. In this way, widespread and violent volcanic activity in Earth’s distant past may have contributed to global climate change, triggering mass extinctions millions of years ago.

Recent eruptions have also demonstrated volcanoes‘ planet-cooling powers. In 1991, when Mount Pinatubo in the Philippines blew its top, aerosols spewed by this mighty volcanic blast lowered global temperatures by about 0.9 degrees Fahrenheit (0.5 degrees Celsius) for at least one year, Live Science previously reported.

Tonga expelled approximately 441,000 tons (400,000 metric tons) of sulfur dioxide, about 2% of the amount spewed by Mount Pinatubo during the 1991 eruption. But unlike Pinatubo (and most big volcanic eruptions, which happen on land), underwater Tonga’s volcanic plumes sent “substantial amounts of water” into the stratosphere, the zone that extends from around 31 miles (50 km) above Earth’s surface down to around 4 to 12 miles (6 to 20 km), according to the National Weather Service (NWS).

In underwater volcanoes, “submarine eruptions can draw large parts of their explosive energy from the interaction of water and hot magma,” which propels huge quantities of water and steam into the eruption column, scientists wrote in a new study published Sept. 22 in the journal Science. Within 24 hours after the eruption, the plume extended over 17 miles (28 km) into the atmosphere.

The researchers analyzed the amount of water in the plumes by evaluating data gathered by instruments called radiosondes, which were attached to weather balloons and sent aloft into the volcanic plumes. As these instruments rise through the atmosphere, their sensors measure temperature, air pressure and relative humidity, transmitting that data to a receiver on the ground, according to the NWS.

Atmospheric water vapor absorbs solar radiation and re-emits it as heat; with tens of millions of tons of Tonga’s moisture now adrift in the stratosphere, Earth’s surface will be heating up — though it’s unclear by how much, according to the study. But because the vapor is lighter than other volcanic aerosols and is less affected by gravity’s pull, it will take longer for this warming effect to dissipate, and surface warming could continue “over the months to come,” the scientists said.

Prior research into the eruption found that Tonga ejected enough water vapor to fill 58,000 Olympic-size swimming pools, and that this prodigious amount of atmospheric moisture could potentially weaken the ozone layer, Live Science previously reported.

In the new study, the scientists also determined that these enormous quantities of water vapor could indeed modify chemical cycles that control stratospheric ozone, “however, detailed studies will be required to quantify the effect on the amount of ozone because other chemical reactions may play a role as well.”

Originally published on Live Science.

RELATED ARTICLE (DAILY EXPRESS)

Climate change: Volcano eruptions promote global warming and CO2 – ‘There is no question’


Please visit Space.com for more great articles


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