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Saturday, December 10, 2022

Indonesia’s volcanoes contribute little to global sulfur dioxide emissions

It took nearly ten years for volcanologist Philipson Bani, IRD researcher in the Magmas and Volcanoes Laboratory, and Indonesian scientists. Center for Volcanoes and Geological Hazards (CVGHM) collaborated with the JEAI Commission (Understanding Magmatic Emissions for Better Monitoring of Volcanoes in Indonesia) from 2017 to 2020.The current Director of CVGHM is Hendra Gunawan Indonesia Manager. Davy Sihabana, Sophian Primuliana, Yugan Seng and Hilma Alfiani also work at JEAI.1To be able to measure the in situ erosion of 47 of the 77 active volcanoes in Indonesia.

And for good reason, the mountain peaks of the volcanoes in this 5,000-kilometer archipelago are for the most part not very accessible. Logistics to get there are also limited and scientists have to align their research activities with strong traditional beliefs about a particular volcano: its peak is occupied by supernatural beings and disturbed by locals. should not be done.

Therefore, this volcano is still little studied and sulfur dioxide (SO.)2) is still poorly understood in the environment. However, these gases play an important role in the development of climate change. , In the event of a large eruption, the sulfur dioxide released by volcanoes can reach the stratosphere and interfere with solar radiation.Philipson Bani explained. It turns into sulfuric acid aerosol (H.)2T/A4) is capable of sending some of the Sun’s energy back into space. This process creates a reduction of radiation on the Earth’s surface, which can lead to a drop in temperature on a planetary scale. ,

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