Question for an ocean expert, given the chemical/biological definition of pH is an oceanic pH of 8.3 basic or acidic?
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A higher number on the pH scale (above 7) means basic. https://en.wikipedia.org/wiki/PH
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Real data spliced onto proxy data? Now, where have I seen that before? Mike?
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It's anyway very good, because the CO2 amount was very, very worryingly low. We need, much much more of it.pic.twitter.com/sR569rVLMl
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Please remake this with the vertical axis beginning at zero so that I can teach CO2 level to my maths students without asking them, "What's wrong with this graph?"
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It's zoomed in on what's important because it's a visual image for Twitter. Maybe you should inform your students that we as a species have evolved to a level which we are actually able to make zoomed-in graphs. It's a very common thing in e.g. economics.
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Lol the way the y-axis jostles at the end. whoopty-whoopty-whoopty-whoopty-whoopty-whoopty-whoopty-whoopty-whoopty-whoopty-whoop
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That's the seasonal cycle. CO2 peaks in the summer. https://www.esrl.noaa.gov/gmd/ccgg/trends/index.html …
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Is the seasonal cycle we see at the end found anywhere else in the past? Do we not have precise enough data to know? Or is it found only since hunans started contributing massively?
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We have only been able to detect the seasonal cycle recently as it requires frequent measurements from a known location, which we didn't have prior to the observatory at Mauna Loa. CO2 concentration varies slightly over the earth as well, so we needed a fixed, controlled location
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Čini se da učitavanje traje već neko vrijeme.
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