The Malaysian Civil Defence Force encountered 30 venomous Portuguese man o’ war jellyfish on Kekabu Island Beach, Marang.

The Malaysian Civil Defence Force encountered 30 venomous Portuguese man o' war jellyfish on Kekabu Island Beach, Marang.

The Malaysian Civil Defence Force discovered 30 venomous Portuguese man o’ war jellyfish on Kekabu Island Beach, Marang, this morning (February 21, 2020). They have sent these specimens to the South China Sea Repository & Reference Centre for storage and further research. Only 4 of them were successfully saved for specimen purposes, as the others were damaged and destroyed. Various sizes were recorded this time, with the latest record being 7cm wide, typically ranging from 2-3cm. A thousand thanks to Mr. Abdullah Bin Sabaruddin, the representative of the Civil Defence Force, for delivering these specimens.

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Abstract

While the sinking formation of Antarctic Bottom Water (AABW) is well understood, how this bottom water "returns home" through upwelling within ocean basins, particularly the Indo-Pacific, remains shrouded in uncertainty. In the 1960s, Munk’s classic "Abyssal Recipes" theory sought to explain these abyssal flows, yet later observations exposed two significant conflicts with real-world data. In 2016, Ferrari, McDougall, and colleagues proposed the "Towards a New Abyssal Recipe" framework, introducing bottom boundary layer (BBL) upwelling to address Munk’s inconsistencies. Drawing on recent evidence of a potential cooling trend in the deep ocean, this talk revisits these debates, offering a fresh interpretation of Munk’s discrepancies and proposing a new mechanism for abyssal upwelling in the Indo-Pacific. It contributes to the ongoing quest to unravel how bottom waters complete their global journey.

Presented by: Prof. Dr. HAN Lei
Affiliation: China-ASEAN College of Marine Science, Xiamen University, Malaysia
Address: Sepang, Selangor, Malaysia

 

 

 

 

 

 

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