ASIATODAY.ID, JAKARTA – The Indonesian National Research and Innovation Agency (BRIN) revealed that global warming has triggered the intensity and frequency of extreme weather in Indonesia, especially in the ocean.
Head of the BRIN Climate and Atmospheric Research Center Albertus Sulaeman said that the opposite also happened, resulting in feedback which is one of the characteristic features of nonlinear weather phenomena.
“Extreme weather at sea triggers rouge waves, which are nonlinear interactions of several waves. These waves cannot be predicted and are a concern for fishermen. “This research requires in-situ observations regarding the installation of marine observations using drilling rigs that are no longer operational,” said Albertus in his statement, Wednesday (15/11/2023).
According to him, a better understanding of extreme weather is very useful for increasing the accuracy of extreme weather predictions in Indonesia. This is done as part of efforts to mitigate and adapt to hydrometeorological disasters and climate change.
Meanwhile, BRIN Main Expert Researcher in Oceanography, Widodo Setiyo Pranowo, stated that weather and hydrodynamic parameters in the sea that are interconnected are wind, ocean currents and ocean waves.
“Monsoon wind patterns generate currents and waves on the sea surface. “The correlative relationship means that as the wind gets stronger, the current speed and wave height can increase,” he explained.
He continued that naturally, the Indonesian Maritime Continent seems to have a “shield” or protection from the trajectory of tropical cyclones, which is virtually at latitude 5 degrees north and at latitude 10 degrees south.
“Tropical cyclones are capable of producing extreme wave heights. “However, in the last 1-2 decades, extreme waves have penetrated this ‘shield’ several times,” he said.
Widodo added that extreme waves at sea can cause ship accidents and can also disrupt the stability of offshore oil and gas platforms or platforms. That is why, he emphasized that historical information data, time series monitoring of winds, currents and sea waves are very important to compile, so that they can be used to predict conditions for the next 7 to 14 days. (AT Network)
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