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@Winwaed Also see: https://mastodon.social/@allochthonous/109859360562389441

You nudged my memory - there's been some debate about this in recent years.

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@Winwaed Also see: https://mastodon.social/@allochthonous/109859360562389441

You nudged my memory - there's been some debate about this in recent years.

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Interestingly, although it's not cited in the new paper it can be viewed as a riposte to this paper from a few years ago, which argued that most weathering was occurring away from the mountains (which I mostly remember because of it's great title):

https://pubs.geoscienceworld.org/gsa/g eology/article/41/3/343/131161/Earth-is-mostly-flat-Apportionment-of-the-flux-of

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Interestingly, although it's not cited in the new paper it can be viewed as a riposte to this paper from a few years ago, which argued that most weathering was occurring away from the mountains (which I mostly remember because of it's great title):

https://pubs.geoscienceworld.org/gsa/g eology/article/41/3/343/131161/Earth-is-mostly-flat-Apportionment-of-the-flux-of

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@Winwaed I think the new thing is a *much* better constraint on the quantitative effect of weathering on different landscapes - essential for modelling.

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@Winwaed I think the new thing is a *much* better constraint on the quantitative effect of weathering on different landscapes - essential for modelling.

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Silicate weathering removes carbon dioxide from the atmosphere, and the reaction is temperature dependant - over geological timescales it’s a negative feedback on climate change. But it seems that it’s only a strong feedback on the 12% of the Earth’s surface where you have active mountain building and rainfall - elsewhere the landscape is either too stable or too dry.

A neat confirmation of a strong coupling between #PlateTectonics and #climate over geological time! https://arstechnica.com/science/2023/0 2/study-reveals-how-earths-climate-thermostat-is-set-to-warm-or-cool/

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Silicate weathering removes carbon dioxide from the atmosphere, and the reaction is temperature dependant - over geological timescales it’s a negative feedback on climate change. But it seems that it’s only a strong feedback on the 12% of the Earth’s surface where you have active mountain building and rainfall - elsewhere the landscape is either too stable or too dry.

A neat confirmation of a strong coupling between #PlateTectonics and #climate over geological time! https://arstechnica.com/science/2023/0 2/study-reveals-how-earths-climate-thermostat-is-set-to-warm-or-cool/

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@KateClancy I’ve always enjoyed how the ‘to get good people we have to pay a competitive salary’ argument apparently only starts to apply at Associate Dean and above.

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@KateClancy I’ve always enjoyed how the ‘to get good people we have to pay a competitive salary’ argument apparently only starts to apply at Associate Dean and above.

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@PhDHealthPR All we can do is look at past behaviour, which tells us that the cycle of strain build up and release in an earthquake is quite variable in its length - you can calculate an average time between large earthquakes (500 years say) but the gap between individual large earthquakes might vary between 300 and 800 years. So a lot of uncertainty over timescales useful to people.

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@PhDHealthPR All we can do is look at past behaviour, which tells us that the cycle of strain build up and release in an earthquake is quite variable in its length - you can calculate an average time between large earthquakes (500 years say) but the gap between individual large earthquakes might vary between 300 and 800 years. So a lot of uncertainty over timescales useful to people.

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@PhDHealthPR depends what you mean by ‘predict’. We can measure accumulating strain but as yet we have no way of knowing when the fault is going to fail (or even measuring when it is imminent).

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@PhDHealthPR depends what you mean by ‘predict’. We can measure accumulating strain but as yet we have no way of knowing when the fault is going to fail (or even measuring when it is imminent).

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Let’s give thanks that the meteor that took out most of the dinosaurs chose to spare not only our mammalian ancestors, but the ancestors of the coffee plant.

(and potatoes, and tomatoes, but that’s more of a fringe benefit)

https://www. forbes.com/sites/davidbressan/2023/02/10/fossil-fruit-shows-ancestors-of-coffee-survived-cataclysm-that-killed-the-dinosaurs/

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Let’s give thanks that the meteor that took out most of the dinosaurs chose to spare not only our mammalian ancestors, but the ancestors of the coffee plant.

(and potatoes, and tomatoes, but that’s more of a fringe benefit)

https://www. forbes.com/sites/davidbressan/2023/02/10/fossil-fruit-shows-ancestors-of-coffee-survived-cataclysm-that-killed-the-dinosaurs/

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I am probably unreasonably annoyed by the pointless pop-up screen the NYT now makes you click through before you can access #Wordle - in part because I am usually confronted with it before I’ve finished my morning coffee.

But it is, nonetheless, annoyingly pointless.

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I am probably unreasonably annoyed by the pointless pop-up screen the NYT now makes you click through before you can access #Wordle - in part because I am usually confronted with it before I’ve finished my morning coffee.

But it is, nonetheless, annoyingly pointless.