Leon Simons Profile picture
Jun 21 5 tweets 3 min read Twitter logo Read on Twitter
I like to imagine a world where people care as much about the North Atlantic Ocean, as about a small vessel lost inside of it. Image
Here's a 8567 pixel #ShowYourStripes from the North Atlantic Ocean since 2000.

June 20 pales the warming from recent years: Image
Also see the Ocean Heat Content stripes.

Because about 90% of the heat from global warming goes into heating the oceans, this is one of the clearest signs of our warming world.

From @Lijing_Cheng et al.: Image
@Lijing_Cheng And here's 12,000 years of stripes!

From 6000 years ago until the industrial revolution the planet cooled down, even though greenhouse gases increased! (likely due to aerosol emissions, which helped stabilize Holocene climate!) Image
@Lijing_Cheng @ed_hawkins From study by @MichaelPErb et al.
Full resolution and study available here:

cp.copernicus.org/articles/18/25… Image

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More from @LeonSimons8

Jun 23
We might start to see some cooling, or reduction of the North Atlantic Ocean Sea Surface Temperature Anomaly (SSTA) in the following days.

Both from Canadian wildfire smoke and Sahara dust blocking sunlight from reaching the surface:
And in 2018 and 2020.
Will be interesting to see how big the effect is this time.

Read 4 tweets
Jun 23
The Ocean within this square covers about 8% of the Earth's surface.
(The USA cover less than 2% (yes, really).)

The extreme record heat over such a large area and the ignorance around an important contributing cause is the #Oceangate we should all care about.
Read 5 tweets
Jun 23
Such a great talk from @AndrewDessler with @ProfMattEngland.

Andrew is great at making climate science fun and interesting.

https://t.co/MIvOXPPI1w
Love the Australian accent, but fancy British would have been nice too.

And I don't think Matt needs an even higher H-index.
Important point in the talk from @ProfMattEngland:

The instantaneous warming feedback of AMOC slowdown with West Antarctic sector (Amundsen and Bellingshausen seas).

youtube.com/clip/Ugkxkgs3V…
Read 4 tweets
Jun 22
There's been quite some attention to warming of the tropical area of the North Atlantic Ocean in recent weeks.

The rest of the North Atlantic saw much faster and more consistent warming in the past 3.5 years however.

See annual and March-April-May trends:

And the same for the tropical North Atlantic:

And for the whole of the Northern Hemisphere mid latitudes.

This is the area where we would expect the most Sea Surface warming (rate) increase, if ship sulfur emission reductions cause a large (regional) radiative forcing.

Judge yourselves:

Read 5 tweets
Jun 21
I like to imagine a world where people care as much about the North Atlantic Ocean, as about a small vessel lost inside of it.
I made mistake with the graph and reposted it.
Thanks for your sharp focus view @wales_weather.

Here's the rest of the thread:
@wales_weather And in this graph the past three years are highlighted.

More recent years are a lighter shade of blue for the rest of the years, from 1982 to 2019.

Data can be downloaded here:
https://t.co/EGPEoy07Ddclimatereanalyzer.org/clim/sst_daily/
Read 5 tweets
Jun 21
Here's a 8567 pixel #ShowYourStripes from the North Atlantic Ocean since 2000.

June 20 pales the warming from recent years:
Also see the Ocean Heat Content stripes.

Because about 90% of the heat from global warming goes into heating the oceans, this is one of the clearest signs of our warming world.

From @Lijing_Cheng et al.:
@Lijing_Cheng And here's 12,000 years of stripes!

From 6000 years ago until the industrial revolution the planet cooled down, even though greenhouse gases increased! (likely due to aerosol emissions, which helped stabilize Holocene climate!)
Read 5 tweets

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