Climate History of Singapore
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- Опубликовано: 29 янв 2024
- If you followed a little bit the news about past or modern climate change, you probably saw several times something like "temperature will rise by 4°C", or "temperatures were 10°C colder during Stone Age", etc.
This kind of information does not permit to figure out what kind of environment was going on.
This simulation has been performed on 16 cities around the world, I aim to locate over the 21,000 years the best modern climate analogue for each of them. Enjoy !
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no modern analogues is crazy
The closest analogue would probably be on a terraformed Venus (which would have a higher surface temperatures due to having 1.9x the solar irradiance that Earth receives)
@@Theriodontia4945 There probably was a similar climate sometime in the Cretaceous period
@@stefanpfeiffermerino7633 Or during the Paleocene epoch, especially during the PETM. I wonder what climates would look like during large warmings. I live in a Dfa (hot-summer humid continental) climate zone (Northeast Kansas) with a coldest month (January) of -1.6°C daily average. In the warming of the future, I could see it become a Cfa (hot-summer humid temperate) climate zone should the average daily temperature of January get higher than 0°C.
Might need to turn to the Pliocene epoch for a proper analogue at this point; especially with the 2-3 degree increase stipulated by the RCP 4.5 path
Cretaceous and Paleocene is probably too drastic of an analogue tbh(maybe except for the mid latitude areas)
@@Theriodontia4945 I have heard that the PETM was slightly warmer than the Cretaceous, it must have been the warmest Earth has been in the last 500 million years.
I find future climates to be interesting.
I live on the border of Csa (hot Mediterranean) and Bsk (cool semi-arid) in southern Europe. It probably will get dryer in the next few decades.
I think that Kansas already lies on the Dfa Cfa border so it is likely that by the end of the century the state will fully transition to Cfa.
Dfa is actually not that common around the world, it is mostly found in the Midwest and southern Russia while the majority of humid continental climates are Dfb type.
Other places like north eastern Argentina are said to transition from humid subtropical to tropical rainforest or Turkmenistan turning from cold to hot desert.
A cool side effect of watching this video is that now i know that eastern Borneo apparently has the warmest tropical rainforest on Earth
Unless you are contemplating the South Pole or Vostok Station (two of the coldest locations on Earth), I can't imagine any places more "stable" in climatic classifications. The biggest variety in Singapore is that December can be the wettest or driest month, probably depending on the location of the ITCZ.
In view of the stability that you show for Singapore, it can seem that the severit of the Ice Age had no connection whatsoever to any difference in the output of the sun over a long time. Water vapor is the definitive greenhouse gas. Still, with global warming, 30 C as a daily average in a hot, wet climate is nasty.
in LGM climate, singapore is probably one of the best city for living. Stable, warm climate and no drought.
He just said ###k this I'm representing Singapore as a dystopian city in a movie
Coruscant, dystopian ?
@@Kaldisti The bigger the city, the more regulation (or culture of self-control) it needs. If you are walking your dog past a wheatfield, then nobody cares wher your dog does its "dirty work". If you walk your dog in Paris, then people do.
@@Kaldisti At least the lower levels 🤷♂️
I’d wish you'd use better contrasting text in the bottom left-hand box. It's unusable as is.
It is strange that in no part of the video does it show the Congo rainforest as an analogue.
After looking at some places along the river it seems that they are colder than other rainforest.
Is there a specific reason why the Congo basin is cooler than other ecuatorial rainforests?
Something weird seems to have happened around 6:00 mark.
Precipitation paterns reversed and temperature rose so that it no longer matched trade wind climates like Hawaii or Madagascar and became distinctly ecuatorial.
Could the flooding of Sundaland have something to do with it?
I assume that Singapore suddenly becoming an island surrounded on three sides by a shallow and warm sea would change the climate in some way.
I don't know, probably a regional rebalance of monsoon activity over the west Pacific Ocean
Could you do one for Chicago?
Detroit. It could get a summer drought.
8:52 Which ones are the "matching parameters"? Because at this time (2088 AD) it says "matching parameters: 3/4" and "no modern analogue"
From the graph in the bottom right corner I extract 4 values : min temperature, max temperature, min rainfall and max rainfall.
Then I query these values in 4 modern map of the corresponding parameters (min/max temperature, min/max rainfall). I check then how many of the resulted areas overlap. If the 4 parameters overlap, bingo, we have a modern analogue. If not, it means there are no modern analogues
Which parameter did not match for Singapore at the end?
@@chrisagrippa I don't know, probably rainfall
@@Kaldisti temperature too hot?
@@wanhl2440 I don't think so, you can find these temperatures in India or in Brazil. But sometimes, reconstructed temperature and rainfall cannot overlap in a same place.
Any plans for American east coast? Toronto or NYC maybe?
New York indeed
I'm wainting a video one about Buenos Aires (Argentina).Do you hace the dates?.
It's the next one, probably at the end of this week
@@Kaldisti I'm waiting that video.I only know that the climate was arid 20000 years ago like Patagonia Basin.
@@santiagodemarco547 According the simulation the best modern analogue of 20,000 BP Buenos Aires is the region around Mar del Plata, Lesotho and Victoria State in Australia x)
I LOVE U
Oh, could you do one of Iraq?
Göbekli Tepe is planned x)
@@Kaldisti As one of the world's earliest settlements, this is a good choice. With this, I drop Athens, Istanbul, Jerusalem, Rome, and Tunis as suggestions.