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Mediterranean is Fizzing (Climate Change)

Ben Dhyan

Veteran Member
Apparently, it was 3.6 F hotter in the Roman Period.
Persistent warm Mediterranean surface waters during the Roman period | Scientific Reports
The Mediterranean Sea is an anti-estuarine semi-enclosed sea that can be subdivided into two sub-basins, the western and eastern Mediterranean separated by the Sicily Strait sill.
This new record is framed in the context of other previously published Mediterranean SST records from the Alboran Sea, Minorca Basin and Aegean Sea and also compared to a north Hemisphere temperature reconstruction. The most solid image that emerges of this trans-Mediterranean comparison is the persistent regional occurrence of a distinct warm phase during the Roman Period.

This record comparison consistently shows the Roman as the warmest period of the last 2 kyr, about 2 °C warmer than average values for the late centuries for the Sicily and Western Mediterranean regions. After the Roman Period a general cooling trend developed in the region with several minor oscillations. We hypothesis the potential link between this Roman Climatic Optimum and the expansion and subsequent decline of the Roman Empire.



 

Subduction Zone

Veteran Member
The Mediterranean Sea Is So Hot, It’s Forming Carbonate Crystals

The Mediterranean sea ahas been so hot recently it is beginning to form carbonate crystals that are releasing CO2 into the atmosphere.

This will accelerate climate change. Not good news at all. It also shows that we are rapidly passing tipping points to reverse our mistakes.
Interesting, but I do not see how forming carbonate crystals would release CO2. If anything it does the opposite. That is one way that carbon dioxide is removed from sea water, The formula for aragonite (and calcite too) is CaCO3. A calcium ion combines with a carbonate ion to form the minerals. Now perhaps they got confused with the increased heat both forcing CO2 out of solution and some other CO2 reaction with water to form CO3 (which is -2 ion) and two H+ ions.
 

The Hammer

[REDACTED]
Premium Member
Interesting, but I do not see how forming carbonate crystals would release CO2. If anything it does the opposite. That is one way that carbon dioxide is removed from sea water, The formula for aragonite (and calcite too) is CaCO3. A calcium ion combines with a carbonate ion to form the minerals. Now perhaps they got confused with the increased heat both forcing CO2 out of solution and some other CO2 reaction with water to form CO3 (which is -2 ion) and two H+ ions.

That's possible I would assume. Chemistry is a smidge outside my wheelhouse. Not by much, but enough :p.
 

Subduction Zone

Veteran Member
Apparently, it was 3.6 F hotter in the Roman Period.
Persistent warm Mediterranean surface waters during the Roman period | Scientific Reports
The Mediterranean Sea is an anti-estuarine semi-enclosed sea that can be subdivided into two sub-basins, the western and eastern Mediterranean separated by the Sicily Strait sill.
This new record is framed in the context of other previously published Mediterranean SST records from the Alboran Sea, Minorca Basin and Aegean Sea and also compared to a north Hemisphere temperature reconstruction. The most solid image that emerges of this trans-Mediterranean comparison is the persistent regional occurrence of a distinct warm phase during the Roman Period.

This record comparison consistently shows the Roman as the warmest period of the last 2 kyr, about 2 °C warmer than average values for the late centuries for the Sicily and Western Mediterranean regions. After the Roman Period a general cooling trend developed in the region with several minor oscillations. We hypothesis the potential link between this Roman Climatic Optimum and the expansion and subsequent decline of the Roman Empire.
it is very possible that the article is right. That is not evidence against global warming. People that think so are conflating local climate with local climate. Worldwide weather is complex so warming or cooling may cause certain areas to have different average temperatures at different times. AGW deals with warming of the entire globe. An anomaly here and there is just an anomaly.
 

Watchmen

Well-Known Member
Premium Member
it is very possible that the article is right. That is not evidence against global warming. People that think so are conflating local climate with local climate. Worldwide weather is complex so warming or cooling may cause certain areas to have different average temperatures at different times. AGW deals with warming of the entire globe. An anomaly here and there is just an anomaly.
I’m curious why you directed that comment to Ben d and not the OP.
 
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